Installation & Service Manual
Contents
1. B C SYSTEM TROUBLE SHOOTING PROCEDURE T FAULT One axis is malfunctioning or seems erratic Procedure Note the malfunctioning read ing and switch the X and Y encoder cables on the back panel of the display Operate the machine as before and ob serve the axis suspected of malfunction If the fault still appears on the same axis of the display as before the display is at fault lf the malfunction has moved to the other axis the fault is in the scale assembly To verify the finding return the cables to their original connection and repeat the above steps carefully noting all display readings FAULT System does not work and the display LED s do not light up Procedure Check the display power cable to make sure that itis plugged in to Mains Outlet Ensure power is at the Mains outlet socket by plugging in another elec trical device and observe operation Check displays power fuse located in the back panel of the display If the fuse has burned replace with a 3 AG fuse of pro per value If the fuse burns again or dis play still does not light up disconnect the scale cables from the display and try again with a new fuse If the display LED s light up connect one scale cable at a time until the display LED s light goes out When an individual scale has been identified to be the fault proceed to Para C If the display continues to blow fuses when the scale cable is disconn2. B ENCODER ROUTING it Route the cable from the encoder assem bly to the display FIGURE 20 NOTE Cable can be fixed to exit either right or left of the encoder box Ensure sufficient cable loops to allow the table to move to both left and right extremes without exerting tension on the cable The cable slack should not lie on the floor or in a situation where it could get pinched cut or con taminated by toxic chemicals All damaged cables MUST be replaced Each cable connector is terminated into its appropriate mating connector located on the back of the display Example Xaxis scale cable assembly connector will mate with the connector called X IN located on back of the display IV PERFORMANCE TEST A OPERATIONAL TEST Ns Plug in the display power cord to the A C Power and turn on the Display power The Display ON OFF power switch is located on the upper right hand side of the display back panel 10 2 ZERO the display by pushing the ZERO button The display should now read ZERO Adjust the machine tool lead screw dial clockwise to read ZERO With both machines and display on a ZERO reference crank the table and note if the display is counting If not consult Section XI Trouble Shooting Chart Sec tion for guidance Measure a given travel and compare the lead screw dial to the display They should be relatively close If not consult the trou ble
3. Sargon INDUSTRIES INC PRECISEL INEXPENSIVE The Leader of D R O Technology INSTALLATION SERVICE AND MAINTENANCE MANUAL Ease of service Ease of operation Ease of maintenance 9400 LURLINE D CHATSWORTH CA 91311 e 818 701 0557 i I lau at il rl XT200 NOUSTAES IN APPLICATION NOTE 8502 MINI LINEAR SCALE TYPICAL LATHE RETRO FIT SMALLEST IN SIZE BUT BIGGER IN PERFORMANCE The Series XT 200 Linear Scale is the smallest DRO scale on the market today Being only 0 6 deep and 0 97 high the XT Series is approximately 25 smallerthan other similar glass scoles For the first time ever if is not necessary to pay thousands of dollars for a DRO system that will fit in those minute areas Space age technology and micro electro nics have shrunk the scale reader head and increased accuracy reliability per formance and cost effectiveness Metrilon wear pads are permanently masked on the optical encoders to automatically set an accurate 1 mil air gap between the moving and stationary components of the encoder Metrilon is a new technology which has proven to be cost effective improve perf ormance and reduce size of optical encoders RELIABILITY WITH PERFORMANCE New technology not only allowed the XT Series to be the smallest glass scale on the market but it also promoted improvements in reliability performance and reduced cost hese impro
4. 4 Deflection and distortion caused by cut ting and driving forces 5 Geometric distortion of machine due to temperature An example of non linear movement is over hang in knee type mills This is shown in Fig 26 Because of the pull of gravity on the table as it moves to the sides its movement is likely to conform to a circular arc around a center far below the machine Typical overhanging table travel arc 21 To illustrate this concept further the error is given by the following equation E 6h where E error 8 pitch angle in radians h distance between working plane and the measuring plane A amp B are radii and C is parallel to B Here AC corresponds to the arc of error E AC AB DE FIGURE 27 i 1 Typical geometrical error of milling machine longitudinal table For convenience the following table shows some results of the error function Machine tool errors are not limited to old machines Large table errors can exist in new machines as well A skilled machinistcan iden tify errors of his machine and can compensate for them by either leading or lagging the table and meet required tolerances Table movement will deviate somewhat and there will be some transfer error Transfer error refers to the difference between the displace ment of work place and the displacement of the scale s reader head
5. 6 Universal Cross Travel Mounting Cross Section 6 Bridgeport Cross Travel Y Axis Encoder Mounting Procedure T XT200 Miniscale Assembly Said dedi Ss Doses nei Oe 7 XT200 Series Housing Alignment Procedure 2 aaa 8 Longitudinal Scale Assembly Mounting Procedure 9 XT200 Series Cross Section a 10 Bridgeport Cross Travel Y Axis Mounting Procedure 11 Universal Cross Travel Mounting Procedure 0 0 0 0 0 cee urarea 12 Display Mounting Procedure Sie aya Peace duha ah San God 13 Typical kathe Ns tallationns ces ove hacen tote DANG i a oe 15 Typical Grinder instalar hes eee PDA Baked eas 16 Typical Milling Machine Quill Installati0N o oooooooooo oo 16 Typical Milling Machine Knee Installation 0 17 RPO Type EnCodehisve dt whee 21 Typical Overhanging Table Travel AG aa hd NG TANI ewes 21 Typical Geometrical Error of Milling Machine Longitudinal Table 22 Typical Machine Tool Table Transfer Error aranana 22 23 DIGITAL READOUT SPECIFICATION DISPLAY 7 digits and sign per axis using high performance nitrogen doped GaAsp on Gap0 550 LED s that are readable to over 20 at 150 viewing angle DISPLAY RESOLUTION 0 0005 or 0 01 mm MAXIMUM DISPLAY RANGE INCH 999 9995 METRIC 9999 99 mm CIRCUITRY All integrated circuitry including LSI and
6. Typical machine tool table transfer error FIGURE 28 1 SEC 5 SEC 15 SEC 30 SEC 1 MIN 3 MIN 5 MIN og 00000 00001 00004 00008 00015 00044 00072 1 00000 00002 00007 00015 00029 00087 00145 2 00001 00005 00015 00029 00058 001 75 00291 4 00002 00010 00029 00058 00116 00349 00582 8 00004 00020 00058 00116 00233 00698 01164 16 00008 00038 00116 00233 00465 01396 02327 100 SERIES DRAWINGS FIGURE 1A FIGURE 1B FIGURE 2 FIGURE 3 FIGURE 4A FIGURE 4B FIGURE 4C FIGURE 5A FIGURE 5B FIGURE 5C FIGURE 6 FIGURE 7 FIGURE 8 XT 200 SERIES DRAWINGS FIGURE 14 FIGURE 15 FIGURE 16 FIGURE 17 FIGURE 18 FIGURE 19 FIGURE 20 FIGURE 21 FIGURE 22 FIGURE 23 FIGURE 24 FIGURE 25 FIGURE 26 FIGURE 27 FIGURE 28 a ca Gn AA O E oA rE AREE ka aa AN 1 Encoder Temporary Alignment Sub assembly 0 00 00 1 Glass Scale Alignment Procedure dra Loe 2 Longitudinal Scale Assembly Mounting Procedure 4 Bridgeport Longitudinal Axis Encoder Mounting Procedure 4 Lagun Type Longitudinal Axis Encoder Mounting Procedure 4 Bridgeport Longitudinal Axis Cross Section View 4 Universal Cross Travel Mounting Procedure cece eee eee 5 Universal Cross Travel Mounting Procedure 0 0 0 a 5 Universal Cross Travel Mounting Procedure 00 0 0 aaa 5 Bridgeport Type Cross Travel Mounting Procedure
7. 40 x 3 4 soc ket head cap screws NOTE Do not over tighten the encoder mounting screws e Remove the alignment bracket as sembly Fig 14 Index 1 2 and 3 and store the bracket assembly in a safe place for future use and or system 7 Execute performance test as per Section V 8 SCALE COVER INSTALLATION a Position the guard over the scale case ensuring that the guard is rest ing on the top surface of the scale case The guard ends should fit bet ween the scales two bushings and flat against the scale case The encoder cable should be tucked inside the guard b As per Figure6 Index 3 and 8 locate FIGURE 17 realignment CAUTION Move the longitudinal table to its two extreme positions while monitoring the encoder travel Ensure that the table travel is not longer than the encoder travel NOTE Ifthe encoder travel exceeds approxi mately Va inch from the scale mounting bushing scale and or encoder will be permanently damaged f machine travel is greater than encoder travel table stop must be incorporated to limit table travel drill and tap for four each 8 32 screws Mount cover as per Figure 3 NOTE Ensure 0 ring gasket is fitted in the guard cover s gasket groove E CROSS TRAVEL INSTALLATION INSTRUCTIONS 1 Select preferred side of the saddle Posi tion the cross travel at the center of its travel and lock saddle Review Figure 18 or 19 Locate the mounting position Moun
8. CMOS logic technology RESPONSE SPEED 50 kHz SIGNAL INPUTS One encoder instrument interface connector per axis POWER INPUT 115VAC 20 48 62Hz switchable to 100 230 and 240 VRMS OPERATING TEMPERATURE 0 C 32 F to 50 C 122P COUNTER ORDERING INFORMATION DIGITAL DISPLAY MODEL NUMBER Single Axis Display 711A Two Axis Display 712A Three Axis Display 713A Hardware Kits 100 Series Regular Scales 509 00BP Bridgeport mounting hardware kit and arm 509 00BPC Bridgeport Universal mounting hardware kit amp arm 509 EX Excello hardware kit and arm 509 00 K Knee Z axis mounting hardware kit and arm 509 KDIA Kondia hardware kit and arm 509 00L Lagun mounting hardware kit and arm 509 30SMAX Supermax 30 travel hardware kit and arm 509 34SMAX Supermax 34 travel hardware kit and arm 509 00 WIX Wells mounting hardware kit for 747 847 887 Index 509 XX 100 Universal hardware kit and arm for mills Hardware Kits 200 Series Miniscoles 515 M BP Bridgeport hardware kit and arm 515 M BPC Bridgeport hardware kit and arm Universal 515 M EX Excello hardware kit and arm 515 M K Knee hardware kit 515 M KDIA Kondia hardware kit and arm 515 M L Lagun hardware kit and arm 515 M Q Quill hardware kit 515 M SMAX Supermax hardware kit and arm 515 XX 200 Universal hardware kit and arm for mills OPTIONAL ACCESSORIES MODEL NUMBER Instrument Mounting Arm 105 00 Instrument Controi Cable 190 15 15 Extension instrument Control
9. Cable 190 20 20 Extension Shielded Power Cord 190 PC SARGON 2024 2 3 85 SCALE ASSEMBLY SPECIFICATIONS ACCURACY 0 0003 total within 3 Beyond 3 add 0 0001 total per foot RESOLUTION 0 0005 0 01 mm REPEATABILITY 0 0004 0 01 mm OUTPUT CHARACTERISTICS Two 5 volt quadrature square waves that are TIL compatible SCALE ASSEMBLY ORDERING INFORMATION SCALE ASSEMBLY LENGTH MODEL NUMBER MODEL NUMBER Inches Metric Regular Scales Miniscale Ze C50 GG XT 250 02 4 CAMADA a ot XT 250 04 5 125MM UI X1 250 05 o 150 mm 100 06 X XT 250 06 8 200 mm 100 08 X XT 250 08 10 250 mm 100 10 X T 250 10 12 305 mm 100 12 X XT 250 12 14 355 mm madla XI 250 14 16 405 mm 00 16 X XT 250 16 18 455 mm 00 18 X X1 250 18 20 505 mm 00 20 X XT 250 20 24 610 mm 00 24 X XT 250 24 26 660mm cc XT 250 26 28 700 mm 100 28 X XT 250 28 30 760 mm 100 30 X XT 250 30 32 800 mm 100 32 X XT 250 32 36 915 mm 00 36 X XT 250 36 40 1000 mm 100 4 X XT 250 40 42 1065 mm 00 42 X XT 250 42 46 TIEM saa XT 250 46 48 1220 mm 00 48 X XT 250 48 50 CRIOM bana XT 250 50 54 370mm O UA X1 250 54 60 1525 mm 100 60 X see 62 1550 mm 00 62 X 2 naawa 65 1650 mm NO 65 X sae 70 1778 mm OO 70 X kumaaaa 80 2000 mm 100 80 X Dna 90 2250 mm A eee 96 2400 mm O0 96 X eee 1007 2500 mm 100 100 X rico 110 2750 mm 100 110 X
10. for cleaning narrow spaces or for cleaning circuit boards Then blow dry the dampened area a Exterior areas may be cleaned with a soft cotton cloth smal paint brush or soft tissue paper The paint brush is particularly useful for dislodging dirt on and around the front panel controls Dirt that remains can be removed with a soft cloth or brush dampened in a mild detergent and water solution or isopropyl alcohol NEVER USE ABRASIVE OR SOL VENTS o TITAN QO Aa AA CAUTION The counter display LED filter may easily be scratched when using the above cieaning procedures with dry lense tissue Recommended method is Gently wash the filter with a soft clean damp cotton cloth and clean water blow dry with low pressure dry air Greasy residues or dirt may be re moved with a solution of warm water and a neutral pH liquid detergent rub gently with a soft cotton cloth After cleaning a visual inspection should be performed to find such de fects as broken connectors heat damaged and or loose electronic parts and loose kroken wires Overheat ing parts usually indicates other pro blems or potential trouble in the electronics therefore it is recom mended to contact the local service centei or the factory ga SCALE a There is no preventive maintenance required for the electronic and opti cal circuits within the scale encoder In every one to three years dust dirt cu
11. machines is relatively easy and straight forward STANDARD MACHINE SHOP Other machine types may require spe Xa cial hardware fabrication The actual PRACTICES SHOULD BE EXERCISED scale installation in all cases follows AT ALL TIMES the same concepts custom installa tions may be completed without 2 Other types of installations may require assistance however factory assis different mounting hardware but at all tance is available if necessary times the installer must maintain the speci fied spar alignment tolerances to achieve E optimal performance and accuracy The spar glass scale and encoder assembly have p p y been factory aligned and shipped as a complete unit Two temporary 4 40 screws and metal stand offs Fig 1B Index 1 amp 2 hold the encoder fin in its proper aligned position to the spar FIGURE 1B FIGURE 1A C SPAR ALIGNMENT TOLERANCES 1 Usinga depth micrometer or dial indicator indicate the glass scale face surface to parallel the table travel within 20 005 inch Deviations can be corrected by inserting shim stock between the spar r and table surface See Figure 2 FIGURE 2 mm 2 Align the glass scale top surface to paral E A lel the table travel within 20 005 inch This alignment can be accurately accom plished by using a depth micrometer or dial indicator See Figure 2 i F asure P Glas the ylas he PAi tih
12. rear connector assembly 4 Remove the red button cap and nuts from the front panel ZERO momentary switches NOTE This step does not apply to Displays automatic preset reset option or BCD IN or OUT EX DISASSEMBLY OF POWER SUPPLY 1 Disconnect 10 VDC Red Black power plug 2 Remove Power Supply and back panel from the cabinet ASSEMBLY OF MOTHER BOARD Perform Para C in reverse ASSEMBLY OF POWER SUPPLY Perform Para D in reverse ASSEMBLY GF CABINET Perform Para B in reverse 100 SERIES ENCODER ASSEMBLY REPLACEMENT INSTRUCTION FOR REPLACEMENT OF P N RP 6 OR SIMILAR ENCODERS 1 Remove the scale assembly end plates and spar cover as per Section 1 Fig 1A of Instruction Manual 2 Disconnect the red black blue and green wires connected to the encoder by gold quick disconnect pins 3 Gently lift the spring that connects the encoder to the encoder box with needle nose pliers and slide the encoder off the left end of the glass scale CAUTION Place a piece of paper between the glass and spring so as not to sqratch the glass NOTE In some cases the spar mounting bolt may be in the way of the encoder If so remove bolt and realign the spar as per Section 1C ofthis manual after encoder replacement has been com pleted 4 Slide the new encoder on to the scale and reconnect spring and wires as per below Fig 25 CAUTION Donot allow the glass scale to rub or touch the four 4 each enco
13. the longitudinal scale on the back of the table and mount the encoder to the saddle Full scale protection can be realized by using Sargon Industries specially designed 515 C Guard cover See Figure 16 FIGURE 16 Longitudinal scale assembly mounting procedure 2 Positionthe longitudinal table at center of its full travel and lock it Position the scale assembly against the rear of the table so that the bottom longitudinal edge of the scale is flush with the lower edge of the table Transfer the two 0 3 mounting holes to the table Drill and tap for 74 20 5 8 bolts and mount scale assembly as per Figure 16 Index2 586 Using a depth micrometer or indicator indicate the scale housing by adjusting the two scale ends horizontal to each other within 0 005 inch or better See Figure 15 5 Mounting of Encoder Assembly a Review gap between encoder as sernbly and saddle and ensure that it is 0 200 inch or smaller between the encoder and machine surface Transfer the two holes Fig 16 Index 4 to the machine surface and drill and tap for two 4 40 x 3 4 Socket head cap screws Adjust the four jack screws Fig 17 Index 1 until they just touch the mounting surface DO NOT TIGHTEN THEM NOTE Misadjustment can force the encoder out of its calibrated position and create erratic scale performance IT TASA E d Reference Figure 16 Index9 Mount the encoder with two 4
14. tory It is not necessary to understand the circuit operation to find the sub assembly that is at fault The factory has individually setupand tested the overall performance before each system is packaged and shipped In general the system will serve the user without any operating difficulty and operate to full satisfaction when the system is properly installed and cared for In the event of an operating difficulty or problem refer to the below appropriate trouble shooting information guide and seeif the problem can be corrected if not contact the local Dealer Service Center or factory for advice Depending on the nature of the problem it may be necessary to ship one of the sub assemblies or units back to the Dealer or factory The Counter mother board or power supply replace ment is easy when instructions are fol lowed NOTE Do not ship any package to the dealer or factory without prior notification and approval In such a case pac kage the components and furnish information as follows a If shipping scales make sure to lock the encoder assembly to the spar as per instructions b Install the component ina sturdy box that is well packaged If possible use the original box received from fac tory c Prepare and enclose in the box a detailed report describing the pro blem in full Address the report to your contact who authorized the ship ment d Have the freight prepaid and the shipment insured
15. NOTE a J mon Seale After installation is completed it is CG recommended to recheck ali align ment tolerances prior to removing the fin screws and stand offs inspect for any movement in the encoder assembiy Any encoder movement will require re alignment Glass scale alignment procedure D LONGITUDINAL TRAVEL INSTALLATION 1 Position the table in the middle of it s table and tighten making sure that the travel halfway encoder casting box is at the same height its mounting bracket See Figure 4C 2 Remove the mechanical stops from the T ab eae ki slotin the front of the machine tool table 3 Remove the table stop bracket on the NOTE front of the saddle and mount the reader For some machines the encoder head bracket Fig 4A Index 3 using two mounting bracket is off center To bolts Fig 4A Index 1 and two washers accomodate this the scale should be Fig 4A Index 2 The bracket should be adjusted that same amount to the side mounted as high as possible without of the off set rubbing against the table Bracket may need to be milled or angle changed for some machines NOTE Be sure that the scale does not effect the table lock If this occurs a table NOTE ANG lock extension is available for your For Lagun mills and mills that do not machine Fig 4A Index 8 8 9 have a tapered angle to the front of the saddle refer to Figure 4B 6 Align spar as per procedure depicted in 4 Refer
16. OB ongin Title to all goods shall pass to Buyer upon celivery lo a Seller shall not be liable for detay in delivery or for failure to perform due to causes beyond the reasenable contr Buyer civil or military authorities delays in transportation or inability to oblain necessary labor materials or sup period equal to the time lost as a consequence of such delay without penalty to Seller cr any liability on Sellers p frem time to time within the time for delivery provided in such order 4 CANCELLATION Orders accepted by Seller may be cancelled by Buyer only upon writlen consent of Seller ing any other remedy which Seller may have as a result of such cancellation or other withdrawal under the U which shall include all expenses then incurred anc commi ments made by Seller shall be paid by Buyer to S CREDIT In case Buyer shali fail to make payments on this or any other contract between Buyer and Seller in 4 Sellers terms Selter may deter future shipments unlil such payments are made cr may at its opticn cancel unshipped balance Seller reserves the right to refuse all orders deemed unacceptable by son ol terms of paymeni linanciai responsibility or other sound business reasons In addition to the prices stated herein the Buyer expressly agrees to be liable for interest at the maximum allcwable centrac rate under applicable aw on past due accounts and for collection cosi including aitorney s fees court and othe sts involved in the colle
17. REQUIREMENTS OPTIONAL 40V 20 or SV at APPROXIMATELY Joma Sargon Industries reserves the right to change specifications oe acne For more information see your local Sargon Dealer 9400 Lurline Avenue Chatsworth CA 91311 e 818 701 0557 SARGON 2024 3 4 85 SMALLEST IN SIZE BUT BIGGER IN PERFORMANCE The Series X1 200 Linear Scale is the smaljest DRO scale on the morxet today Being only 0 6 deep and 0 97 high the XT Series is approximately 25 smaller than other similar glass scales For the first time ever ir is mot necessary to pay thousands of cioliars for a DRO system that will fit in those minute areas Spaceage technology and micro electro nics have shrunk the scale reocer head and increosec accuracy j per formance and cost effect wear pads are permanent optical encoders to au accurate 1 mii air gan between the moving jsiationary components of the encoder isa new technology which ras to be cosi effecti omance and reduce encoders RELIABILITY WITH PERFORMANCE encoder makes repairs sirnpie reduces packagirg and environmental cost and furihermore increases siew rates up io 45 inches per second ACCURACY The XT 209 Series accuracies are assured bv using vacuum deposited chrome on sada lime glass scales Each chrome line width is heid at an incredible tolerance of betier than 45 55 of a cycle Accuracies of beiter than 50 micia i
18. See Figure 8 Index 8 4 9 pan To MOTE Ent ch axis has a green ground wire ocking terminal thatis placed under of the mounting Screws NOTE 4 Xis mustbe grounded 00 12 Review Figure 5A Index 8 94 10 for an installation concept of Universal cross axis encoder bracket FIGURE 7 for some types of back plates Bridgeport cross travel Y Axis encoder mounting procedure ii XT200 SERIES MINISCALE ASSEMBLY INSTALLATION PROCEDURES A INTRODUCTION The following instructions are guidelines for installa tion of SARGON S XT200 SERIES MINISCALES assembly NOTE This section describes installation pro cedures for Bridgeport type knee mills lathes and grinders etc All part numbers are located on each indi vidual hardware kit drawing located PREF ETDS PPT a AU TIP a FIGURE 14 C SCALE ALIGNMENT TOLERANCES 1 Using a micrometer or dial indicator indi cate scale housing surface to parallel the table travel within 0 005 inch Devia tions can be corrected by inserting shim stock between the scale housing and ineach hardware kit To order replace ment or additional parts use the kit part number and machine manufac turer reference as some dimensions and parts may vary between manufac teks table surface See Figure 15 Dial Indi cator 2 Align the scale housing top surface to NOTE parallel the table top within 0 005 inch Other
19. acturer various hardware assemblies Typical mounting lay outs are portrayed below LATHE 1 See Figure 21 for typical lathe mounting assembly TRONT ipeososa4enwur Typical lathe installation GRINDER 1 See Figure 22 for typical grinder mount ing assembly QUILL 1 See Figure 23 for typical vertical Milling machine quill mounting assembly KNEE 1 See Figure 24 for typical vertical horizontal milling machine knee mounting assembly CUSTOM FABRICATION 1 The installer can fabricate the required hardware assemblies by understanding this manual Typical grinder installation 10009228400 Typical milling machine quill installation FIGURE 23 FIGURE 22 LDo092284002 FIGURE 23 Type B Typical milling machine FIGURE 24 knee installation Vi PREVENTATIVE MAINTENANCE A CLEANING 1 DISPLAY Dirt on components acts as an insulating blanket and prevents efficient heat dis sipation Italso provides an electrical con duction path that can result in instrument failure The recommended way to clean the interior is to blow off the accumulated dust with dry low pressure air approx imately nine pounds per square inch Re move any dirt that remains with a soft brush or acloth dampened with a mild detergent and water solution A cotton tipped appli catoris useful
20. at the saddle isin the center of the Y axis encoder bracket Transfer the holes in the encoder bracket ontothe saddle Readjust the axis to allow room for drilling Drill and tap two 74 20 x1 inch deep holes where marked Fig 17 8 18 NOTE Bridgeport machines are pre drilled Saddie w 11 12 Unbolt the encoder bracket from the encoder and the encoder bracket to the machine using the two each 4 20 bolts and washers see Figure 18 Index 2 and 6 Readjust the saddle so that the encoder bracket holes line up with the two 4 40 screw holes in the encoder casting box See Figure 18 Ind Adjust the four 4 jack screws Fig 17 Index 1 until they just touch the saddle surface DO NOT TIGHTEN THEM NOTE Misadjustment can force the encoder out of its calibrated position and create erratic scale performance Mount the encoder with two 4 40 x 3 4 socket head Cap screws NOTE Do not over tighten the encoder mounting screws See Figure 18 index 7 Remove the alignment bracket assembly Figure 14 Index 1 2 and 3 and store the bracketassemblyinasafe place for future use and or system realignment CAUTION Move the Cross travei table to its two extreme positions while monitoring the encoder travel Ensure that the table trave is not longer than the encoder travel NOTE lf the encoder travelexceeds approx imately inch from the scale block bushing the scale and or reader hea
21. ction of past due accounts The Buyer e ly agrees to be liabie for any LATE CHARGE as may be permitted by California law The LATE CHARGE willbe computed and applied ai the sate of 5 of each past due payment or at 55 00 minimur ge toreach 50 DAY PERIOD PAST DUE whicheveris greater Seller retains and Buyer hereby grants a security interest on the goods including all aczess ons to and replacements of them until Bu has mace paymeni in full Buyer shal cooperate fully with Seller in executing such cocuments including a Unitorm Commercial Code financing statement and accomplishing such fillings anc cs recordings thereot as Seller may deem necessary for the protecting of such security interests e event of canceliation or oiher withdrawal ol any order for any reason and without limit Code o California reascnable cancellation and or restocking charges en Payment must be made from this invoice No statements issued or customer supplied voucher forms completed 20 00 re billing charge on unearned discounts and or deductions 6 SHIPMENT The time of celivery named by usis the dale for shipping from our plant orwarechouse We will not be liable fcr delays in delivery caused by anyreascn beyond ourcontrol including but not limited to acts of Gcd casualty civil disturbance labor disputes transportation or supply difficulties any interruption of facilities or ac of governmental authority and the time for delivery s
22. d will be permanently damaged If machine travel is greater than en coder travel table stop must be incor porated to limit table travel 13 ENCODER CABLE ROUTING 14 Install connector as described in the dis See SECTION III PARA B play section of this manual Turn on dis play and perform performance test as prescribed in Section IV Para A FIGURE 19A FIGURE 19B O E Y AXIS BRACKET ASSEBLY FIGURE 19C FIGURE 19D Universal Cross Travel Mounting Procedure itl DISPLAY INSTALLATION AND CABLE ROUTING A DISPLAY INSTALLATION ta Figure 20 depicts a typical Sargon display installation The first stepis to remove the large eye bolt located on top of the milling machine column Fig 20 Index 1 and mount the arm Index 2 as per Fig 20 The next step is to bolt the display to the display mounting arm with a5 16 18 bolt found in the Hardware Kit See Figure 20 Index The display can be mounted to the bottom of the mounting arm by removing the screws from the top sides of the display case ex trusion and then removing the top and bottom half of the case extrusion Mount the bottom case half on the top side of dis play Mount the top half of the case extru sion tothe bottom half of the display After completion the top half should now have a mounting hole in its center which you use to bolt to the arm Display mounting procedure
23. der infrared LED s located on the bottom printed circuit board that sandwiches the glass scale NOTE Prior to installing the new encoder inspect the encoder spring to ensure it is loaded properly The spring tension should be loaded in such a manner that the eye is firmly resting on the glass scale center open line The spring eye should not be cocked SPRING LOADING ADJUSTMENT IS AS FOLLOWS Using a pair of duck billed pliers firmly grasp the spring close to its termination and bend it down to the point where the glass is RED GREEN FIGURE 25 BLACK RP 6 Type Encoder rm f i LA FIGURE 25 X cemented in the spar Repeat the above step until the spring memory positions the spring eye as per above MACHINE TOOL ERROR For obvious reasons scales cannot be moun ted right where machine work is going to take piace A standard vertical milling machine using linear scales would not have any error if it s table movement followed a perfect straight line Since thisis not always the case and often table movement deviates somewhat there will be transfer error Transfer error refers to the difference between the displacement of the scales reader head and the machine tool cutter Some sources of error include the following 1 Crooked ways 2 Worn out and loose ways and gibs 3 Bending and deflection of tables caused by gravity etc
24. ected the fault is the dis play LINEAR SCALE TROUBLE SHOOTING 1 100 SERIES TROUBLE SHOOTING PRO CEDURES a Fault Scales operationis erratic and numbers are jumping Possible remedies 1 Check scale for cleanliness 2 Checkencoder loading spring for proper tension 3 Check the red black blue and green wires that are connected to the encoder for good contact They should not be rubbing against the spar cover 4 Check encoder box for tight ness and make Sure it is not coc ked or rubbing against the spar Ensure the four 4 jack screws in the encoder box are properly adjusted 5 Ensure connector that mates with the display connector is secure 6 If the above possible remedies do not resolve your problem con tact your loca service center or the factory for guidance b FAULT Scale does not operate Possible remedies 1 Check para C 1a 2 3 4 and5 above 2 Replace encoder I C chips 3 Replace encoder reader head NOTE Reader head replacement is simple see section 1X for guidance Most Sargon dealers and sales represen tatives have spare encoder reader heads Approximate time required to change a reader head is five 5 minutes No special tools or elec tronic equipment is required XT200 SERIES MINISCALE TROLIBLE SHOOTING PROCEDURES a Scale operation is erratic and num bers are jumping Possible remedies 1 Check scale for cleanliness 2 Checktheencod
25. ence Figure 1A remove the end above Paragraph C SCALE ALIGNMENT caps gaskets and cover from the scale TOLERANCES 7 Encoder casting box should now be direct ly in front of its mounting bracket Remove the cover from the encoder casting box See Figure 4A Index 4 amp 5 5 Utilizing the T slot inthe front of the table mount the scale to that surface as per Figure 3 Be sure that the top of the scale assembly does not sit above the top of the 8 Using a transfer punch mark the location of the two mounting holes in the casting on to the mounting bracket Move the table and scale assembly to one side and drill and tap two 10 32 holes in the mount ing bracket 9 Move the table back so that the encoder casting box is directly in front of the mount ing bracket Align the four set screws see Figure 4C Index 1 into the encoder cast ing until the set screws are just snug against the mounting bracket 10 Insert the two mounting screws and washers Fig 4A Index 6 amp 7 and tighten do not over tighten NOTE Each axis has a green ground wire locking terminal that is placed under one of the mounting screws FIGURE 3 TT 12 13 14 NOTE Each axis must be grounded Remove the two temporary 4 40 screws Fig 1B Index 2 and traverse the table to either direction so as to expose and re move the two metal stand offs Fig 2 Index 1 Install Display and route cable as per procedu
26. entive Maintenance 2222 nor 17 AA AA te A 17 1 Display anak K ANAN ha NAKA a bes 17 Dt SG EN Gat cee ULA 18 SECTION VI SECTION VIII SECTION IX SECTION X Trouble Shooting and Servicing rc 18 As GENE nan AABANG NA GUDANG AA A a aah 18 B System Trouble Shooting Procedure aa 19 C Linear Scale Trouble Shooting ooo 19 Disassembly and Assembly of Display 0 000000 000 20 100 Series Encoder Assembly Replacement 20 Machine Tool Etro ecclesia alee GAB oi 21 AL Generali id Pah Abala Maha ea 21 Ba BK BG AG YG DEE Oma At nG DE Tig an AAO A a a AB O Ba 23 i 100 SERIES SCALE ASSEMBLY INSTALLATION PROCEDURES A INTRODUCTION The following instructions are guidelines for in stallation of SARGON S 100 Series spar glass scale and encoder assembly NOTE Do not remove the temporary align ment screws until the assembly is bolted in place and the installation NOTE is completed This manual describes installation procedures for Bridgeport type knee mills All part numbers are located on individual hardware kit drawings lo cated in each hardware kit To order replacement or additional parts use the kit part number and machine manufacturer reference as some di mensions and parts may vary bet B PRE INSTALLATION ween manufacturers 1 Installation of spar glass scale and en coder assembly on most vertical milling NOTE l f
27. er box for tight ness and make sure it is not cocked or rubbing against the scale housing 3 Check the encoder box for paral lelisim to the scale housing 4 Check the encoder box four 4 alignment jack screws for cor rect adjustment 5 Checkthe encoder cable assem bly for proper routing and make sure cable is not pulling or drag ging the encoder box 6 Check scale assembly connec tor for proper mating and that it is secured to the display rear panel mating connector b Scale assembly does not operate 1 Replace l C chip inside the scale connector housing 2 Replace encoder cable assem bly CAUTION Reader head replacement requires some experience and is emhanced by a Sargon Jig P N J 200 Will DISASSEMBLY AND ASSEMBLY OF DISPLAY A GENERAL The display is disassembled and assembled in the below steps DISASSEMBLY OF DISPLAY CABINET 1 Remove the top black 8 screws on each side of the cabinet 2 Firmly holding the bottom half of the cabi net with one hand pull the top half of the cabinet with the other until it is free from the display DISASSEMBLY OF MOTHER BOARD 1 Remove Mother Board and front panel clear from the bottom half of the cabinet Be careful not to apply stress on the cable and connector that interface the Mother Board to the Power Supply board 2 Disconnect the plug attaching the two boards together 3 Remove the flat ribbon cable connector from
28. er or transit or expenses will bz added lo invoices 15 DESIGNS DIMENSIONS AND WEIGHTS Because we are constant y improving our products the designs dimensions and weighis shown in cur catalogs while sufficiently accurate for most pur poses are subject lo variation ll extreme accuracy is required additional information and ce tificaticn will be provided upon request after receipt of order 16 DISPUTES All disputes under any contract concerning the goods nol otherwise resolved between Seller and Guyer shall bc resclved in a court cf competent jurisdiction for the lecation of the Sellers place ol business and in no other place provided however thal in Sellers sole ciscretion such action may be heardin some other place designated by Seller 1 necessary lo acquire jurisdiction over third persons so that the dispute can be resolved in one action Buyer agrees to appearin any such action and hereby consents to the jurisdiction of such court No action regardless o farm arising out ot orin any way connecled with the goods furnished or services rendered by Seller may be brought by Buyer more than one 1 year after the date of sale 17 GOVERNING LAW This agreement and performance by the hereunder shall be governed by the uniform Commercial Code cf the State of California 18 RETURN OF EQUIPMENT No material will be accepted for return for credit after 90 days All returns must have a return aulhorization number and include the origina invoice or packin
29. g slip number Return due to cuslomers error must be returned prepa d and will be subject to a 50 00 administraticn fee plus a 10 restocking charge 19 QUOTATIONS Al Quptations will have a validity of 30 days 20 WARRANTY a Sargons Digilai Readout products and specifications are warranted against defective materials and workmanship for two years from date of purchase b Thais warranty covers ali parts except for consumable items This warranty applies only ta DRC Systemsand accessories that have been installed ardoperatedinascordance with Sargon s guidelines instructions and recognized reference publications This warranty s void when the systems are misused damaged or exposed to hostile environment such as but not limited to electrical or elec temagnelic noise c Two Year Parts Warranty Within two years from date of purchase all warranted parts will be replaced or repaired without charge except tor labor freight and forwarding fees to and from point of repair Sargon Ind is not liable tor ary design engineered and or furnished by the Buyer and incorporated into equipment d One Year Warranty if within one year from the dale of purchase any such defect is found the pan or parts wil be replaced or repaired without charge except for inherited freight end ionvarding fees from point of repair e Disclaimer of Implied warranties The foregoing warranties of Sargon Industries are in lieu of ali other warranties expressed cr implied Sargon Industrie
30. he encoder Sub miniature signal con aitioning analog to digitol conversion ond amplification electronics have been combined inio the externo interfacing cable connector This feature hos reduced encoder weight by more than 50k theretore further reducing encoder wear and hysteresis error Additional features of these exclusive engineering achievements are minia turized plug in bipolar integrated elec tronics packaged externaily from the scale TERMS AND CONDITIONS OF SALE The following terms and conditions shall be a part of any contract of sale which may be entered into between the Buyer and Seler Any terms and conditions 1n Buyer s purchase order acknowledgement or any cther writing pertaining tc such order irrespect ve ol its wording or of when received by us which are in conflict or inconsistent with or add to the terms and conditions hereol will not be acceptable or become a parto any resulling contract without our express typed or handwritten consent Neither acknowledgement and return o a C f Buyers purchase order or cther form irrespective ol its terms nor ihe filing ang shipment of such order shall constitute acceptance af such contlicling inconsistent or additional erms nor shail Ihey 1n any way operate tc modify or change the fuii effect of the terms and con itions herein 1 PRICE AND TERMS OF PAYMENT a Prices of products are published separately The acceptance of orders 1s subject to the approva cf o
31. ible tolerance of better than 45 55 of a cycle Accuracies of better than 50 micro inches have been assured by generating replication masters with ad vanced numerically controlled laser inter ferometer techniques that are traceabie to National Bureau of Standards Environ mental conditions have been stringently controlled with seismic isolation facilities temperature uniformity of beter than 0 01 Farenheit humidity controls and automatic barometric compensation to within 1 part in 10 million ENHANCED INSIDE DIAMETER MEASUREMENT 30 to 50 INCREASE IN PRODUCTION REDUCTION IN SCRAP INCREASED PROFITS EASY TO OPERATE TWO YEAR WARRANTY NBS TRACEABILITY 100 ON SITE SERVICEABILITY r 20 POWER REGULATION TYPICAL 8 to 12 CROSS TRAVEL by 36 to 40 LONGITUDE TRAVEL SYSTEM INCLUDING Gan be yours for little as XT 230 _KT 250 RESOLUTION 000025 700D5mm 0 0005 001mm ACCURACY PER FOOT 250 m inches 250 1 inches REPEATABILITY _ 300m inches 300 p inches RECOMMENDED DISPLAY _ 700 Series 700 Sere T SLEW RATE s0 Sec 0 S0 Sec LIGHT SOURCE FOUR INFRARED LIGHI EMITING DIODES FIVE FOR ABSOLUTE OPTIONS SENSING ELEMENT FOUR PHOTOTRANSISTORS FIVE FOR ABSOLUTE lt OPTIONS o ENCODER OUTPUT SIGNAL _ QUADRATURE SQUARE WAVES STILORC CMOS COMP IPATABILITY TY IS AvA AVAILABLE AMBIENT TEMPERATURE OTO SO AR a SCALE LENGTHS _2 60MM TO 50 1345mm POWER
32. ion SECTION SECTION Il SECTION IlI SECTION IV SECTION V SECTION VI 100 Series Scale Assembly Installation Procedures 1 An Introduction nnes seers EA A BITE Nan Ri aes aes 1 B Rreinstallatioi re e A NA 1 C Spar Alignment Tolerances 0 a 2 D Longitudinal Travel INSTANATON a mga ata Kore eee ay 2 E Cross Travel Installation a 5 XT200 Series Miniscale Assembly Installation Procedures 7 Fe INTOQUGCION a 7 BE Pre installatio Ma ica ahh eae be eee eee ee 8 C Scale Alignment Tolerances niner eee eee 8 D Longitudinal Travel Installation 0 0 0 a 9 E Cross Travel instalar PAA a ae ears 10 Display Installation and Cable Routing aa 13 As Display InstallatTtom 2 8 3 Sse o oh eee Ad AB Kab ahh 13 B Scale Assembly Cable Routing to Display 13 Pertonmance estes ivi seein alee Da RG eae ees sone las 13 Ast Operational Test as i A Re ee ai ade ee a 13 B Repeatability Test denned ter No NANANA NG NG wae had 14 Gi ACCUIECY TCS tient scott AN 14 Equipment Installation Variation 0 0 0 0 ccc cnet 15 AS A aaa Naa amass seis wanes UB lene ap Banal wei 15 Bs AA Mo nea Daba alt 15 E Ginder di idas Phe A eens Steal AA 15 D Vertical Milling Machine Quill Mounting Procedures 15 E Knee Mounting Procedur S 02 ce ee nee 15 F Gustom Fabricator aa ken MA AL Raed PAN seas a se Ka 15 Prev
33. just the four 4 jack screws to align the parallel axis WARNING DO NOT WARP OR TWIST THE BACK PLATE BY JACK FIGURE 5A Universal cross travel mounting procedure SCREW MISALIGNMENT FIGURE 5B 3 Remove the end caps and cover from the scale See Figure 1A 4 Mount the spar to the back plate as per Figure 5A or 6 5 Align indicate the scale to the travel ways using standard alignment proce dures see Paragraph C 6 Remove the cover from the encoder casting box Fig 8 Index 1 2 4 3 and temporarily bolt the encoder mounting bracket Fig 8 Index 4 to it using two each 10 32 screws and washers 7 Adjust the table so that the saddle aligns with the encoder bracket Fig 8 Index 1 4 amp 7 8 Transfer the holes located on the encoder bracket onto the saddle Move the saddle to allow room for drilling Drill and tap two Ya 20 x1 deep holes where marked Fig 8 Index 7 port machines have been fa i led and tapped 9 Unbolt the encoder bracket and mount it to the machine using the two 4 20 bolts and washers Fig 8 Index 4 5 6847 10 Readjust the saddle so that the encoder bracket holes line up with the holes in the encoder casting box Adjust the four set screws Fig 7 Index 1 until the set screws are just snug against the mounting brac ket FIGURE 6 11 Insert the two mounting screws and washers and tighten DO NOT OVER TIGHTEN
34. kee 120 3000 mm 100 120 X kee 130 3250 mm 100 130 X see 140 3500 mm 100 140 X Dun 150 3750 mm 100 150 X Jaiari Sargon industries reserves the right to change specificatians designs prices and models without notice DEALER IN YOUR AREA m Am
35. machine types may require spe This alignment can be accurately accom cial hardware fabrication The actual plished by using a depth micrometer or scale installation follows the same dial indicator See Figure 15 Dial Indi concepts Custom installations may cator be completed without assistance however factory assistance is avail able if necessary NOTE After installation is completed it is recommended to recheck all align The alignment bracket transportation bracket ment tolerances prior to removing the assembly Fig 1 Index 2 and3 keeps the encoder in alignment bracket Inspect for any its pre aligned calibrated state movement in the encoder assembly Any encoder movement will require re alignment NOTE The bracket should not be removed until installation is completed FIGURE 15 B PRE INSTALLATION Installation of the miniscale and encoder assembly on most vertical milling machines lathes and grinders etc is relatively easy and straight forward STAN DARD MACHINE SHOP PRACTICES SHOULD BE EXERCISED AT ALL TIMES Other types of installations may require different mounting hardware but at all times the installer must maintain the specified scale housing align ment tolerances to achieve optimal performance and accuracies XT200 Series housing alignment procedure LONGITUDINAL TRAVEL INSTALLATION X AXIS a Mounting and Alignment of Miniscale Housing It is recommended to mount
36. nches have been assured by genemiing replicaten masters wih ad vanced numerically controlled jaser injer ferameter techniques that ore taceubte ic National Bureau of Standards Environ s have been stnngentiy ic isolatior e 40 million AVAILABLE FEATURES LOW PRICE ABSOLUTE INCREMENTAL OPERATION NON VOLATILE MEMORY INCH METRIC CONVERSION MACHINE ERROR COMPENSATION PRE SET MADE IN USA TWO YEAR WARRANTY New technology not oniy allowed ihe XT Series io b2 the smollesi giass scale on the market but it also promoted improvements inrelioditity performance and reduced cost These improvements were realized by unit ing mirioturized ball bearing rollers mairilon reticle pads new solid state electranics and inovative packaging Incorporating metrilon encoder reticle pads has significantiy reduced the air gap degradation that has plagued other similar type scales Conclusion of extensive tesis have depicted litle or no pad wear afier a million inches of travel AO o COMPARISON Aoproximately 25 percent smailer to fit those minute creas Shaded area Sargon Mini Scaie Using ball bearing guides has natedly reduced wear as the encoder slides up and down the glass scale improved repeat ability and accuracy and also reduced hysteresis error Using the latest solid state elecironics including lang life infrared tight sources has allowed only the optics to be incorporated in t
37. pecified herein shall be extended during the continuance of such conditions and for a reasonable time thereafter b Examine material closely before making claim for shortage as this material was checked before shipoine All claims tor defective merchandise Must be madewithinS days alter receipt of gcods Make claims or breakage or damage in transi lo carrier as we hold shipping receipt in good order Claims for shortage orincorrect material must be made wiinin 5 days ol receipt cf goaas and accompanied by original packing sheet Material returned tor credit subjeot to a handling charge c Unless olhenvise agreed uponin writing all shipments are Lo b our plants or warehouses from wnich material is shipped We are not responsible for damage to or loss of preducts after delivery to the transportation company If the customer should have a claim against the transportation company however we will cooperate in attempting to secure an adjustment when so requested o We will decide how to pack and to ship unless specific instructions are given e Where shipment from stock is indicaled material is subject to prior sale L All orders willbe shipped UPS i possible and at the convenience cf Sargon Ind the Buyer may requesi an alternate shipping method and or carrier in so doing however Sargon ind acts onthe cus torners behalf without responsibility an itself TRANSFER OF OWNERSHIP The seller shall retain ownership of the products supplied until paymentin f
38. r guidance C ACCURACY 1 Accuracy test procedures will only verify the machine tool and DRO installation accuracy The Sargon glass scale accura cies are at least one thousand times more accurate than most machine tools Sar gon glass scales are traceable to the National Bureau of Standards N B S To check accuracy place reference stan dard such as certified gage block and or indicator on the working surface of the table Simultaneously compare the DRO and reference standard accuracies to each other Repeat the measurements at least three times If there isa major discrepancy between the two measurements recheck the scale installation Generally speak ing accuracy deviation is contributed to the following a Machine tool working area distance from scale Abby error b Adjustment of machine tool ways and gibs Machine tool basic accuracy Scale encoder installation e Scale assembly mechanical align ment For a better understanding of accuracy review Section X Machine Tool Error of this manual FIGURE 21 EQUIPMENT INSTALLATION VARIATION GENERAL 1 The enclosed mounting procedures for both 100 Series and XT200 Series can be adopted to other types of machine tools It is important that the installer uses good machine shop practices and follows the genera concepts of all procedures depic tedin this manual 2 Theinstaller should beprepared to modify and or manuf
39. re described in Section Il of this manual Replace cover on encoder casting box Execute performance test as depicted in Section IV Assemble spars cover as per Figure 1A WARNING Ensure wires going to encoder do not rub against spar cover or fin FIGURE 4A 2 1 Bridgeport longitudinal axis encoder mounting procedure Z EE NO FIGURE 4C T nut washer scale 100 Lagun type longitudinal axis encoder mounting procedure ae Bridgeport Longitudinal V bracket es cross section view E CROSS TRAVEL INSTALLATION de Select preferred side of the saddle Posi tion the cross travel at the center of its travel and lock saddle Review Figures 5A 5B and 6 Locate the mounting position Mount back plate Figure 5A Index 7 or Figure 6 Index 1 to the knee via two spacers Figure 6 Index 2 with the screws Figure 6 Index 3 or washers Figure 5A Index 1 NOTE py drill and or re tap the threads to the size required for your machine see your hardware parts list for bolt size Onsome machinesthere are no holes pre drilled If this is the case utilize the universal backing bar see Figure 5A Index 7 Align back plate as per paragraph C SPAR ALIGNMENT TOLERANCES If the uni For some machines the holes are either not drilled untapped or are clogged with paint f this is the case versal type back plate is being installed ad
40. s specifically disclaims any imp ed warranties or merchantability or fitness for a particular purpose In no event wili Sargon Industries be liable ler special or consequential damage including any product which has been cperated in excess of its electrical mechanical or environmental rating or which has been subject to abuse or in which he housing nas been altered or tam pered with 21 CHANGES Ife quotation prcvides tor produc s to be custom made for special applications thequoled price is applicable only where correct tolerance requirements are provided by the customer by print or sample pad We have the right lo terminate such orders without obiigation to either party if in our opinion itis not possible to meet the required specilications if changes in fabrication o design are required by reason of incorrect tolerances furnished or deviation from prints or samples submitted the cost of such changes shall be at Ihe customers expense and shall be added to the quoted price 22 CANCELLATION Suspension or cancellation of orders may be made upon our writien approval and on terms that will indemnify us against ali loss 23 ORDER ACCEPTANCE Orders shall not be deemed accepted until approved in writing at cur plant Setier reserves the right to refuse any order 24 GENERAL a These terms and conditions are subject to change without notice b Unless olherwise stated a quotation is valid only for a period of 30 days from date of the quotat
41. shooting Section Tighten the knee and table lock so the table and knee cannot move Turn the machine tool power on and off several times The display should NOT add any new numbers to its count If it does check the machine and display grounding system Check and or adjust the machine tools ways gibs and lead screw for good con dition Ensure that a 20 ground wire is connec ted from the GND terminal located on the Display back panel to the MAINS earth ground such as the conduit for A C building power Proceed to the REPEATABILITY and AC CURACY Test below REPEATABILITY 1 69 Repeatability is verified by this test Machine tool and Digital Readout performance should be periodically checked by this procedure Mount a dial indicator onthe machine tool table in such a manner that the indicator probe tip touches the scale assembly s black end plate when the table is at one of its positions limits Set dia indicator and the Digital Readout display to zero Move the machine tool table to its other extreme then bring the table back just past the indicator zero position Forward the table to read zero on the Dial Indicator Both the Dial Indicator and DRO display should now read zero plus or minus one count Perform step 4 at least three 3 times to ensure good repeatability If repeatability is not realized as per above consult the trouble shooting Section on repeatability fo
42. t scale back plate Fig 18 or 19 Index 11 NOTE The style of the mounting brackets are determined by type of machine and or hardware kit NOTE reader head set screws CA a o x4 X71200 Series Cross Section A i 6 Install display and route cable as per pro cedures described in Section II of this manual On some machines the holes are either not drilled untapped or are clogged with paint If this is the case drill and or re tap the threads to the size required by your machine see your hardware parts list for bolt size On some machines there are no holes pre drilled 1f this is the case utilize the universal backing bar see Figure 19A Index 11 10 SN eS aaea FIGURE 18 Bridgeport Cross Travel i Y Axis Mounting Procedure 1 Align the backplate to the cross travel saddle via standard alignment pro cedures see Figure 15 Para C Scale Alignment Procedures If the Universal type backplate is being installed adjust the four 4 jack screws to align the paral lel axis WARNING Do not warp or twist the backplate by jack screw misalignment Mount the scale assembly to the back plate as per Figure 18 or 19 Align indicate the scale housing to the travel ways using standard alignment procedures see Para C Scale Alignment Procedure Reference Figure 18 Index 3 amp 7 tem porarily bolt the encoder to Y axis encoder bracket Adjust the table so th
43. to pay any such increased price in accordance with the terms hereof pa o Seller reserves the right to chenge price specifications and manufacturer without notice 11 PATENTS Seller shall have nc liability of any kind with respect to any actual or alleged infringement of any United States or foreign patent trademark or similar right 12 INSTALLATION Buyer shall be solely responsible for the installation and operation of the goods covered herein including without limitation the obtaining of all permits licenses or certificates required for the installation or use of such goods All Sargon Industries Inc linear encoder accuracies are directly traceable tothe United States National Bureau of Standards Vis Primary and Secondary Standards Machine tool system positioning accuracies are directly related but not limitec to tne condition of the machines slides way gids bearings table defleclion lead screw and work piece distance trom the linear encoder Therefor any cost that Sargon inherits that is traceable te machine looi error buyers installalion c non compiiance to standard machine tool practices shali be paid for by the Buyer 13 MINIMUM ORDER CHARGE The minimum charge on any customer order will not be less than S100 00 14 A slandard charge cf 4 00 per invoice or 52 00 per box whichever is the greatest will be added to cach invoice to cover the cost ot packaging malerial Cost of Special boxing expert boxing cartage to steam
44. tting fluid and loose chipping could present a problem Cleaning pro cedures are the same as section 1a above b 100 Series glass scales and reticle should be cleaned with isopropyl al cohol and dried with a clean cloth or paper towel Special care should be taken to follow the disassembly and assembly procedures as depicted in the scale installation section Make sure the scale assembly is secured tightly and aligned properly c Cleaning procedure for the XT200 Series miniscale is as follows 1 Position table so encoder is at one extreme location on the scale housing 2 Usingnomorethan20PSlofair gently insert the air nozzle through the rubber flaps entrance of the scale housing and blow air away from the encoder towards other end of the scale 3 Apply the air pressure in sucha manner that dirt and particles will migrate to the other end of the glass scale and fall out 4 Move the encoder to the oppo site end of the scale and apply air pressure as per above instruc tions 5 Using a spray dispenser spray and saturate the glass scale with alcohol NOTE Never blow air or alcohol toward the encoder 6 Usinga Q tip or equivalent gently rub and clean the glass scale VIL TROUBLE SHOOTING AND SERVICING A GENERAL 1 The following information is provided to facilitate system trouble shooting pro cedures and aid the userincommunicating problems to the local service center or fac
45. ullhas been received by him As the seller retains ownership until the products are paid far they may nat be sold and Sargon Ind reserves product ownership even when transferred by origninal customer to another party securing his claim against the customer until Iuil payment is received PROPRIETARY INFORMATION Sargon Ind is the cwnerandretains full title and copyright privileges on any supplied design application information which may be patentable etc even when provided to a third pany Any and ali papers regarding same are to be returned upen request TRANSPORTATION CHARGES a Premium rate services such as Express Rail or Air Air freight etc will be utilized only when specified by customer H prepayment is requested our invoice will show an addition equal tc the excess transportalion charges b Unless otherwise requested in writing goods shipped by Parcel Post wili be insured and the posta fee and insurance charges will be added to the invoice 10 SELLER S RIGHT TO INCREASE PRICES Seller reserves the right to increase the selling price ol any and all goods orocred by Buyer oul not shipped irom Sellers place ol business prior ta an increase in Seller s cost of such goods as reflected by a price increase to Seller rom Seller s supplier The selling price quoted herein shall upon increase in price by Sellers supplier be increased by 2 percentage equal to the percentage of increase in Sellers cos fo the goods and Buyer agrees
46. ur Credit Departmaal Uniess otherwise specifically agreed upon in writing Cur terms are net 30 days from date of invoice All payments are to be made in USA funds b Prices are subject to change without notice at any time prior to shipment c Export orders unless otherwise specifically agreed upon in writing shall be payable in USA funds d Taxes Unless othenvise indicated no Sales Use Retailers Occupation Service Occupation Service Use cr other similar taxes are included in our prices The amount of any such taxes which are paid or payable or assessed in connecticn with any order and which shali be pa d by the customer ic us or i authorized by law by the customer direcily to the taxing authority CONFIRMING ORDERS Selle shal hold Buyer responsible tor any order that is duplicated by Seller because Buyer failed to mark the arder CONFIRMING ONLY boldly onthe face of the order Buyer must indicate on the face of the writlen quotation from Seller or the date and person at SARGON INDUSTRIES INC to whom the order is confirmed mmon carrier or when Buyer takes possession of goods at Sellers place of business cf Seller These causes shall include without limitation acts of Gcd act or omissicns ol Inthe ni of any detay the contractural date of delivery it any shallbe extended fora i Seller shall nave the righi to deliver all goods covered hereby at cne time cr in portions N9 3 DELIVERY Alishipmentsand prices are quoted F
47. vements were realized by unit ing miniaturized ball bearing rollers metrilon reticle pads new solid state electronics and inovative packaging ncorporating metrilon encoder reticle pads has significantly reduced the air gap degradation that has plagued other similar type scales Conclusion of extensive tests have depicted litile or no pad wear after a million inches of travel Using ball bearing guides has notedly reduced wear as the encoder slides up and down the glass scale improved repeat ability and accuracy and also reduced hysteresis error Using the latest solid state electronics including long life infrared light sources has allowed only the optics to be incorporated in the encoder Sub miniature signal con ditioning analog to digital conversion and amplification electronics have been combined into the external interfacing cable connector This feature has reduced encoder weight by more than 50 therefore further reducing encoder wear and hysteresis error Additional features of these exclusive engineering achievements are minia turized plug in bipolar integrated elec tronics packaged externally from the scale encoder makes repairs simple reduces packaging and environmental cost and furthermore increases slew rates up to 45 inches per second ACCURACY The XT 200 Series accuracies are assured by using vacuum deposited chrome on soda lime glass scales Each chrome line width is held at an incred
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