DP700 Manual 023-81380-UK-1.qxp
Contents
1. gt lt a p standard distance Setting U p Linear Error Compensation Setup This setting allows you to setup compensation factors for linear errors There are two methods of entering compensation values Teach mode and Program mode Teach Mode Teach mode is an easier way of calculating linear errors by using the DP700 to automatically calculate the error by comparing the actual measurement and the physical movement The procedure to do this is shown below Error comp select screen is displayed Press the axis select key next to the X Y or Z axis which requires linear compensation Press the key to Navigate to Linear Press Press the key to Navigate to Teach Press Display Shows Move tool probe to start position see fig 1 Press Display Shows Move tool probe to end position see fig 1 Press Display Shows Enter the actual measurement using numerical keypad Display Shows Press to accept or to decline If accepted goes back to error comp select screen Program Mode First you must determine the correction factor required To do this you use the following equation In the following example the standard distance is 500 000mm and the measured distance is 500 200mm Correction factor error actual x 1 000 000 Correction factor 500 500 200 500 000 x 1 000 000 Correction factor 400 Error co2. Until message display shows Message display now shows Las Note Relates to output options of the OUTPUT RS232 Communications to scroll through output options Off ENT Periodic Once selected my Cent Note Ent is for operating the RS232 on request The enter key is pressed when the output is required Periodic is for operating the RS232 at set intervals The interval is defined in the RS232 setup When ENT or Periodic is selected Message display shows Note Relates to baud rate of RS232 Communications to scroll through baud rate options 300 1200 2400 4800 9600 14400 19200 38400 57600 115200 230400 460800 921600 Once selected AFP Cet Message display now shows Note Relates to parity mode of the RS232 Communications Once selected my Cea In the case periodic is selected message display now shows Note Relates to period of output log for RS232 Communications value in seconds Note Performance is relative to baud rate To enter a value in 0 1s increments use the numerical keypad z Note This accepts all the settings for the RS232 Communications and puts into operation to accept the RS232 settings Standard Function RS232 Output Data Format B The output data from the RS232 is as follows The current axis data for the axes available on the system are transmitted For two axes systems only two axes of data will be transmitted The data packet st
3. Message display shows Until message display shows y gt Until message display shows Move to first sub datum ay Repeat until all sub datums have been entered me To return to main SDM menu How to navigate to Sub datum program mode cy Until message display shows Enter first sub datum points See using set mode P16 a Repeat until all sub datums have been entered me 6 To return to main SDM menu How to navigate to Sub datum use mode my C P to scroll through sub datums or use numeric keypad to input sub datum required y To return to main SDM menu F To return to exit SDM Standard Function RS232 Data Logging Data Acquisition The DP700 DRO can offer basic serial communications via a dedicated hardware RS232 compatible port this is used for data logging purposes RS232 Connections You connect the RS232 to the DP700 via a 15 pin D type connector at the rear of the display The required connection details to make this possible are shown below Pin 5 RS232 GND Pin 3 RS232 TXD Pin 2 RS232 RXD Pin 15 Serial cable available part number 307 83210 Contact your local Newall supplier for details RS232 Setup The diagram below shows the different menus that are applicable for different RS232 output selections off ent periodic Standard Functic RS232 Setup How to navigate to RS232 setup me F wy
4. amp ay P To exit setup Setting J o J Language Setup This setting enables the user to choose the language that is required to be displayed in the DP700 display There are 11 language settings English US TANS Danish J55 AN Russian INCI l French CZECH Czech German Note Other languages may be available Press the axis select key next to the X axis to cycle through options Type Setup This setting enables the user to choose the machine type that the DP700 operates in There are 3 settings NLL Press the axis select key next to the X axis to cycle through options Note When set to lathe the x axis changes to diameter measurement Note When set to lathe or mill some functions are automatically turned off Encoder Type Setup The encoder settings must match the actual encoder in use or the DP700 will not measure correctly Newall manufacture 3 types of encoders to work with your DP700 Sex Spherosyn 2G CPH 6G Microsyn 10 USN Td Press the axis select key Encoder Resolution Setup The resolution settings available for each axis depend on the encoder type and the inch mm setting Microsyn 10 Microsyn 5 cam om oor ooo a S 0 002 oot Sid T 7 wo 00t 0000s OTF a 005 oo 7 7 O Press the axis select key next to the X Y or Z axis to cycle through options Direction of Travel Setup You use the direction
5. 10um 0 0005 Newall Measurement Systems Limited reserves the right to make changes to this specification without notice Mounting Op This chapter details the various mounting options for the DP700 both the standard version and the panel mount version Mill Mount Non Adjustable Panel Mount Option aA Cutout R5 0 Max _ _ 157 0 __ gt Corners Q BS 2 160 00 Fixing Ctrs ay O mn Panel cut out 250 00 Fixing Ctrs gt Connection Details This chapter details the cable connections for the DP700 Important Details You can only use the DP700 with Newall Spherosyn and Microsyn analogue encoders You need to ensure that You secure all the cables to prevent the connectors from dropping into hazardous positions for example the floor or coolant tray when you unplug them You route all cables to prevent them from being caught on moving parts The DP700 is grounded to the machine using the braided grounding lead provided before you turn on the machine supply The power has been disconnected before you connect the encoder s Do not connect this unit directly to the mains supply lf your Newall encoder has a round 7 pin connector then you can buy an adaptor cable part no 307 80980 Contact your local Newall supplier for details Connections Encoder input connection 1 2 or 3 according to model RS232
6. 4 Reconnect the DP700 power supply and turn on If the fault stays with the same encoder then the encoder is at fault If the fault does not follow with the encoder the DP700 is at fault Providing you have not moved the machine more than 6 3mm 0 25 for a Soherosyn Encoder or 2 5mm 0 1 for a Microsyn Encoder switching the power off and back on again does not lose the datum position HEAD OFFICE Newall Measurement Systems Ltd Technology Gateway Cornwall Road south Wigston Leicester LE18 4XH United Kingdom Telephone 44 0 116 264 2730 Facsimile 44 0 116 264 2731 Email sales newall co uk Web http newall com Newall Electronics Inc 1778 Dividend Drive Columbus OH 43228 Telephone 1 614 771 0213 Toll Free 800 229 4376 Facsimile 1 614 771 0219 Email sales newall com Web http newall com NEWALL CST 023 81380 UK 1 1
7. Ne A le 30 70 40 50 Using Absolute Mode In Absolute mode the DRO displays the positions of all the axes with respect to a fixed datum The datum is set by entering an axis position when in Absolute mode Example of Absolute and Incremental use Set absolute zero at lower Move to first position in left corner of the part ABS Hole A b u Gui b 30 i GL Ju Move to second position in Switch to incremental mode ABS Hole B and zero the display 4 GuLi Lug Guu u gow 200 Make an incremental move Switch to absolute mode to Hole C ee ag oud SU Hal Inch and mm E Press d to toggle between Inch and mm mode The DP700 has a dedicated key to switch the positional displays between imperial inch and metric mm measurements The current display mode is indicated by a red LED either above or below the key as shown right E Imperial Inch mode has been selected Metric mm mode has been selected Standard Functions Zero and Preset an axis Press to toggle between set and zero mode The DP700 has a dedicated key to switch the Zero mode has been operation of the axis selection key between zero mode selected and set mode The currently selected mode is indicated by an LED either above or below the key as S ee pests PREN shown right a Using Set Mode AnD With set mode selected this enables the select axis keys to prompt a numeric entry
8. Starting point Note The numbers appear as negative E values because the operator works to S l Zero N Datum a po ea ee X axis 180 5mm Navigate through the sequence of holes by using lt q gt keys Mill Functions Arc Contouring i The DP700 calculates positions for rough machining an arc or radius The message display prompts the user for various parameters it needs to do the calculations Once the DP700 completes the calculations the axis displays show the co ordinates which are point to point positions along the arc The operator works to zero for each hole location See example below How to navigate to arc contouring function y F B Until message display shows Example Message display shows Enter centre co ordinates See using set mode P16 Enter the arc radius See using set mode P16 Enter starting point See using set mode P16 ey Enter end point See using set mode P16 Enter tool diameter See using set mode P16 Selects internal or external cut jul A 4 y Enter maximum cut See using set mode p16 Note At this point you can use the keys to navigate back and forth through the above menus 0 15 Y axis Starting Point i ier ere 4 826 6 0 ST R UYN Ending Diameter ONS N Point ON hA 4 174 ide 2 0 eae s J n Radius 4 lt Internal aa Arc Cut Centre Note The numbers appear as negative values beca
9. Y or Z axis which requires segmented Press the key to Navigate to Segments Press Display Shows Set machine to reference point Press Display Shows Move tool probe to zero Press Display Shows Move tool probe to first position Press Display Shows Enter the actual measurement using Press numerical keypad Display Shows Press to accept or to decline Display Shows Press to move to next point or to finish Goes back to error comp select screen Setting Up 1 Segmented Error Compensation Se Note When using Segmented error each time you turn on the DP700 you need to move to the machine reference point The DP700 will prompt you for this on power up see below Note Reset will only appear on an axis if segmented error has been implement Move each axis to the reference point and then press next to the axis in question Once all axes have been reset to reference the DP700 will go into normal operating mode Plane Setup This setting enables the user to choose the plane in which certain functions will operate The plane consists of two axes that require to be set for certain functions to operate correctly There are three possible settings Press Gai To select the chosen plane Note Only applicable to a 3 axes unit Setting Up Functions Setup This setting enables the user to choose the functions that are required to be used with the DP700 Functions that are swit
10. how close to zero the axis needs to be before the zero approach function takes effect Press the axis select key Display shows Loge Example To change zero approach limits to 5mm Press then display shows 5 00E Now when you cross 5mm approaching zero the feature will be activated Setting Up TI Error Compensation Your digital readout DRO system helps you to improve productivity It decreases the number of scrapped parts as you no longer have to be concerned about making mistakes related to counting the revolutions on the dials Your DRO system also helps to eliminate some errors related to ballscrew backlash Your DRO system will operate to its published accuracy provided all components are in working order and properly installed Field calibration is not necessary Accuracy problems with machined parts may be caused by machine error DRO system error or a combination of both The first step in determining the source of error is to check the DRO system You do this by comparing the movement of the Newall reader head to the position reading shown on the display You need a high accuracy standard such as a laser interferometer You can use a dial indicator to check short distances but a laser provides the best results If you have to use a dial indicator be sure it is the highest available accuracy To check the accuracy of the DRO system 1 Place the target of the laser or the needle of the dial indicato
11. into the desired axis Once the correct value has been selected it can be Li set into the axis by pressing the enter key This can be seen in the example on the right Press the axis select key relevant to the axis Input the required numeric value TOOG Zeroing an Axis in Set Mode With set mode selected it is possible to zero the axis conveniently by double pressing the relevant select axis key This can make use of the DP700 zeroing and set modes much quicker and easier This is shown in the example on the right Using Zero Mode With zero mode selected this enables the select axis SH keys to zero each axis independently This can be Press the axis select key relevant to the axis seen in the example on the right m ann Undo Function The DP700 stores the last 10 positions numeric inputs which can be accessed using the undo feature Example 1 non movement Press Display now shows Example 2 movement input a value 5 OUELI move to that point display now shows 8 Gag Press once display now shows 10 OOE this is the position of your second point Press again display now shows 715 QQE this is the position of your starting point Standard Functions Half Function Centre Find Press to initiate the half function The DP700 has a dedicated key to half the value in va any axis This is done by initiating the half mode and ee i i i Press the axis select key relevant to t
12. output Cable clamp Cabinet equipotential terminal External PSU input for grounding to machine Display and Keypad This chapter explains how to interpret the display and use the keypad Understanding The Display Feed Rate Display mm per second for mm mode inches per minute for inch mode WAO ee ee A EEE Axis 1 Alal I ofla l mecie i Message I A ee A TA IT 7 Ph bby hi a fi Display Axis 2 Axis 3 Power LED Understanding The Keypad Axis Selection Key Digifind Reference Switches between Zero and Axis Preset modes Numeric Keys Switches between Absolute and Incremental modes Switches between Inch and mm display Enter Key Information selection scrolls through options on Message display F Clear Numeric Entry Cente Find Function Menu Key Undo Key Function Navigation Keys a Vv Setting Up Navigating Complete Setup How to enter setup S EFF gt Until display shows Unit then ay CD displays SETUP LANGUAGE Microsyn 10 Microsyn 5 Dependant on encoder see page 2 7 a y a ek _ ca a at ro l ee aan a E E Laa Da w 6 6 ek et eeg ae Le rs a T wl o sy user defined use numeric keypad to enter value NONE Li NEAR Setting Up Navigating Complete Setup continu Only applicable to 3 axes units user defined use numeric keypad to enter value value is in whole minutes as
13. setting to match the DP700 to the actual direction of travel of any axis There are two settings for each axis and Press the axis select key next to the X Y or Z axis to cycle through options Example If the current setting is and the travel is positive from right to left changing the setting to will reverse the direction to measure positive from left to right Radius Diameter measure Setup The radius diameter function allows the operator to display actual radius or twice actual diameter measurements for each axis This function is generally used in turning applications such as the cross travel on a lathe where you want to display the diameter reading rather than the radius There are two settings for each axis Radius RAD Diameter gL aA Press the axis select key next to the X Y or Z axis to cycle through options Zero Approach Setup This setting provides a visual indication that one or more axes are approaching zero It does this by using the far left LED segment on each axis as the axis approaches zero each seg ment of the 0 lights up in quick succession Once zero has been reached the 0 in the far left will be constantly on There are two settings for each axis Zero approach on oy Zero approach off JEF Press the axis select key next to the X Y or Z axis to cycle through options Zero Approach Limits This setting allows you to choose
14. Newall Measurement Systems Ltd DP700 Digital Readout User Manual Contents Specification Electrical Physical Environment Accreditation Disposal Input and Resolution Mounting Options Mill Mount Lathe Mount Adjustable Mount Panel Mount Connection Details Important Information Connections Display and Keypad Understanding the Display Understanding the Keypad Setting up the Unit Navigating Complete Setup Navigating Complete Setup Continued Language Setup Type Setup Encoder Type Setup Encoder Resolution Setup Direction of Travel Setup Radius Diameter Measure Setup Zero Approach Setup Zero Approach Limits Error Compensation Linear Error Compensation Linear Error Compensation Setup Segmented Error Compensation Segmented Error Compensation Setup Plane Setup Functions Setup Beep Setup Sleep Setup Reset Setup Standard Functions Absolute Incremental Inch mm Zero and Preset an Axis Undo Function 1 2 Function Centre Find Reference Sub Datums SDM RS232 Connections RS232 Setup RS232 Output Data Format Mill Functions Pitch Circle Diameter PCD Bolt Hole Line Hole Arc Contouring Polar Co ordinates Lathe Functions Tool Offsets Taper Summing Trouble Shooting Page 3 Page 3 Page 3 Page 3 Page 3 Page 3 Page 3 Page 4 Page 4 Page 4 Page 4 Page 4 Page 5 Page 5 Page 5 Page 6 Page 6 Page 6 Page 7 Page Page 8 Page 9 Page 9 Page 9 Page 9
15. P700 unit back to factory defaults There are three factory default settings Default as Lathe Mill Default as Mill Default as Lathe NG Press the axis select key Press to accept Please note When the DP700 is defaulted as a lathe the X axis default setting is DIA and therefore the X axis will measure double next to the X axis to cycle between yes and no OEM Defaults The DP 00 may have OEM default settings specific to a machine In this case the DP700 will only display one reset option This reset will default all parameters to match the machine it has been provided with Standard Functions This chapter details the standard functions of the DP700 Absolute Incremental Press E to toggle between absolute and incremental mode The DP700 has a dedicated key to switch the positional displays between absolute abs and incremental inc measurements The current display mode is indicated by a red LED either above or below the key as shown right Absolute abs mode has E been selected co Incremental inc mode has been selected Using Incremental Mode In Incremental mode the DRO displays the position relative to the last position This is also Known as point to point use In this mode you can set the value for each axis or zero it to create an Incremental datum This does not effect the machine s Absolute datum that you configure in Absolute mode IN EN
16. Page 10 Page 10 Page 10 Page 10 Page 11 Page 12 Page 13 Page 14 Page 14 15 Page 15 Page 16 Page 16 Page 17 Page 17 Page 18 Page 18 Page 18 Page 19 Page 19 Page 20 Page 20 Page 21 Page 22 Page 22 23 Page 24 Page 25 Page 25 Page 26 Page 27 Page 28 Page 29 Page 29 30 Page 31 Page 31 Page 32 Specification Electrical EU Directive 73 23 EEC Low Voltage Directive BS EN 55022 1998 Class B BS EN 55024 1998 Input to Power Supply Unit Supplied 100 240V 47 63Hz External switch mode Output voltage 15VDC Input Voltage to DP700 15 24VDC 10 Conforms to Low Voltage Directive Physical Height 170mm 6 69 Depth 48mm 1 89 Width 260mm 10 23 Weight 1 5kg 3 3lb Environmental j Climatic Range Storage Temperature 20 C to 70 C Working Temperature 10 C to 50 C Working Humidity 95 R H at 31 C IP Ingress Protection IP54 Panel Mount IP40 Stand Alone Accreditation CE Disposal At the end of its life you should dispose of the DP 700 system in a safe manner applicable to electrical goods Do not burn The casework is suitable for recycling Please consult local regulations on disposal of electri cal equipment Input amp Resolutions Only Spherosyn or Microsyn encoders can be used with the DP700 DRO Resolutions Spherosyn 2G or Microsyn 10 Microsyn 5 5um 0 0002 1um 0 00005 10m 0 0005 2um 0 0001 20um 0 001 5um 0 0002 50um 0 002
17. ched off will not show in the function menu or message display Function On GN Press the axis select key next to the X axis to cycle through options Press the gt key to Navigate through functions the list of functions can be found below Tool Offsets Taper Axes Summing Pitch Circle Diameter Bolt Hole Circle Line Hole Arc Contouring Polar Co ordinates RS232 Data Logging _ Sub Datums par press to exit Beep Setup This setting enables the user to have the option of an audible tone on pressing any of the keys on the DP700 There are two settings Key Beep on gt co a aL Key Beep off maa mr ri Press the axis select key next to the X axis to cycle through options Setting U Sleep Setup This setting enables the user to define an automatic sleep mode after a period of time The user either leaves the default setting at O which deactivates the sleep mode or inputs a value in whole minutes for when the sleep mode is initiated after no operation of the DP 00 To exit sleep mode simply move an axis or press any key There are two settings Sleep Mode deactivated Default Sleep Mode Active 1S Enter the required value via the numeric keypad Press to accept the value Note The number in the display is the value in whole minutes before the DP700 will enter sleep mode Reset Setup This setting enables the user to reset the D
18. e window will now display the taper Summing Function i The summing function allows the sum of two selected axes to be displayed How to navigate to Summing function aie Combined movement L k Combined movement E Trouble Shooting Symptom Soton gt e The DP700 maybe in sleep mode press any key to exit sleep mode e Check that the power supply is correctly connected to a working mains outlet The display is blank e Check that the power supply cables are not damaged e Check that the power supply voltage is 15 24Vdc 10 e Check the power supply indicator is illuminated on the front of the DP700 Either the supply voltage is too low or the power supply or mains supply has an intermittent The display works but fault resets from time to time without any keys being pressed e Check that the power supply voltage is 15 24Vdc 10 e Check that all the connections are secure The display works but gives erratic readings the last digit jitters or the measurements jump to new figures unexpectedly There may be a poor earth ground connection Both the DP700 and the machine on which it is installed must have proper earth ground connections There may be a problem with the encoder The unit does not respond Disconnect the DP700 from its power supply wait 15 seconds and then reconnect to any key presses This indicates that the unit is not receiving a proper signal from the encoder no Sig
19. he axis selecting the required axis This can be seen in the ee example on the right Su OLL Digifind Reference Function The DP700 comes equipped with Digifind a feature unique to Newall digital readout products Digifind eliminates the risk of losing your position and datum Set Up With Digifind precise Set Up of a workpiece is carried out only one time When the DP700 is powered on it displays the position at power off compensated for any movement of a Spherosyn transducer up to 0 2500 6mm and a Microsyn encoder up to 0 1000 2 5mm in either direction since the unit was last used If the machine has moved beyond 0 2500 6mm Spherosyn 0 1000 2 5mm Microsyn Digifind allows a quick means to find the datum if lost A mark must be made on both a stationary part and moving part of the machine The marks must be aligned and will serve as the machine home position The mark must be indelible and it must allow the operator to move the machine to within a 0 2500 6 mm Spherosyn 0 1000 2 5mm Microsyn band around the mark at any time Alternatively you can use a convenient reference point on the workpiece Setting the reference ay ref y Ci Until message display shows Message display shows Finding the reference If datum is lost at anytime it is possible to Find the datum again Position the machine to within the 6mm 0 2500 band for Spherosyn and 2 5mm 0 1000 band for Microsyn Fi
20. mp select screen is displayed Press the axis select key next to the X Y or Z axis which requires linear compensation Press the key to Navigate to Linear Press Press the key to Navigate to Program Press Display Shows Enter 400 from the example above using the numeric keypad Press Goes back to error comp select screen setting Up Segmented Error Compensation The scale travel is broken down into as many as 200 user defined segments each with their own correction factor measured against a high accuracy standard The following parameters need to be identified Starting point zero Error Travel Reference point Correction points Each Correction Point is measured with respect to the Starting Point zero which is usually set close to one end of the scale The Reference Point can be set anywhere along the scale and does not need to coincide with either the absolute datum or any of the correction points However it may be convenient to make the absolute datum and the reference point the same Always approach the Starting Point Correction Points and Reference Point from the same direction If you do not then the size of the tool or probe will render the measurement inaccurate Segmented Error Compensation Si Procedure for setting segmented error compensation Error comp select screen is displayed Press the axis select key compensation next to the X
21. nd the reference y ref ay P Until message display shows Message display shows Finding zero As a fail safe Digifind can find the last datum or absolute zero set Position the machine to within the 6mm 0 2500 band for Spherosyn and 2 5mm 0 1000 band for Microsyn Find the reference 2G ref a Ci gt Until message display shows Message display shows Standard Functions Sub Datums Memory The DP700 can store up to 200 SDM Sub Datum positions or machining steps into the memory Using SDM allows the operator to work to zero by calling up stored dimensions instead of working up to drawing dimensions This eliminates the need to constantly refer to the drawing and reduces the possibility of scrapping parts due to miss red dimensions It also speeds up positioning because the operator works to zero The SDMs are stored as co ordinates relative to the absolute datum position If the absolute datum position changes the SDMs will shift to the new datum Once a repetitive sequence of co ordinates is entered into SDM the co ordinates can be recalled at any time The positions remain in memory until altered by the operator Simply assign any SDM number 1 200 to each machining step When machining call up each step SDM number and work to zero There are two ways to store Sub datums Teach mode and program mode See example below How to navigate to Sub datum teach mode v O
22. not linear you should use segmented error compensation Setting Up Types of Machine Error There are many types of machine error including pitch roll yaw flatness straightness and Abb error The diagrams below demonstrate these errors Way errors Abb error Yaw Axis u Typical Yaw 3 ypica Deviation al Ct o Fa lrA Straightness B o2 n KN a o z eph n B1 HB1 greater than t ae t Roll Axis t Encoder less than j Encoder A am encoder A2 Ha oE f Al gE t End Effector t Linear Travel r Typical Pitch An Deviation Shown with encoder on concave side Shown with encoder on convex side of of bearing path bearing path Linear Error Compensation In this mode you can apply a single constant correction factor for each axis to all displayed measurements You calculate the correction factor and specify it in parts per million ppm In this mode a single constant correction factor for each axis is applied to all displayed measurements As you follow the procedure you must ensure that you either use a stepped standard and approach each edge from the same direction or if you must approach each edge from opposite directions then subtract the width of the tool or measuring probe from the value displayed on the DP700 measured distance standard distance Fig 1 measured distance Tool or Tool or Probe Probe i
23. or SIG FAIL e Check that the encoder connections are secure appears in the display e Check that there is no damage to the connectors or to the encoder e Switch the DP700 off and back on again e Swap the encoder to another axis to confirm whether the encoder or the DP700 is at fault e Check the Encoder Type to ensure it is correct e Check the Radius Diameter setting The Diameter setting causes the axis to read double e Check the Error Compensation factors e If using the Segmented Error Compensation verify the datum position e Swap the encoder to another axis to confirm whether the encoder or the DP700 is at fault e Check that there is no damage to the encoder or its cable e Check that the encoder is fixed firmly and aligned correctly as described in the Soherosyn Microsyn Installation manual e Check that there is no binding on the scale With the scale brackets slightly loosened you should be able to slide the scale back and forth with minimal resistance e If you have a Spherosyn scale check that the scale is not bent by removing it and rolling it on a flat surface Readings are incorrect If the solutions suggested above do not solve your problem contact Newall for further instruction To swap encoders to trace a fault 1 Check that the two axes are set to the correct encoder types 2 Disconnect the DP700 power supply 3 Disconnect the encoder from the malfunctioning axis and move to a working axis
24. ow Display will now show Select the axis needed to select different tools Note y b gt In this example the X axis has been selected Take a skim cut if X axis is selected or take a face cut if Z axis is selected Display will show Note at this point you can move the tool away from the part Measure the part with an accurate gauge and enter this value using the numeric keypad Repeat the above process for all the tools required my F to exit tool set mode Lathe Functions Program Mode Display will show Note ay gt to select different tools Take a skim cut if X axis is selected or take a face cut if Z axis is selected Note Tool must not be moved off the part after taking the cut User needs to enter the difference between measured diameter and readout value Repeat the above process for all the tools required F to exit tool set mode Using Tool Offsets ay Until message display shows we gt To scroll through different tools or enter tool number on numerical keypad at any time Taper Function l The taper function shows the angular displacement of the displayed X Z position How to navigate to Taper function my Until message display shows Note Figures in box will vary depending on current position Example Touch tool to one end of the taper and zero both axes then touch the tool on the other end of the taper Messag
25. r directly on the Newall reader head It is absolutely critical that you take the readings directly from the Newall reader head If you have to use a dial indicator be sure that the needle of the indicator is perpendicular to the reader head and not angled If you take readings anywhere else on the machine machine errors may distort the results 2 When the reader head moves the movement registers on the laser indicator and DRO display 3 Set the laser dial indicator and DRO position displays to 0 4 Make a series of movements and compare the position readings between the laser dial indicator and the DRO display If the readings match within the accuracy specified then you know that the DRO system is operating properly If this is the case you can proceed to the next step evaluating the machine errors If the readings do not match you must repair the DRO system before proceeding with error compensation To evaluate machine errors 1 Put the laser target dial indicator on the part of the machine where the machining is done 2 Make a series of movements and compare the position readings between the laser dial indicator and the DRO display The difference between the laser dial indicator reading and the reading on the DRO display is your machine error 3 Plot the machine error along the entire axis of travel to determine the nature of the error If it is a linear error you can use linear error compensation If the error is
26. ructure of 12 characters is defined as follows Line feed f l Axis ID 9 characters for position character Carriage return character Separator The Axis ID is the representation of the axis at the time of printing This will be shown by 1 1st axis 2 2nd axis or 3 3rd axis Please see example below Example The example below shows an RS232 output from a 3 axis DP700 1 531 420 2 497 615 3 T5006 Mill Functions This chapter details the Mill functions of the DP700 The mill functions use the plane setting from setup PCD Bolt Hole Circle The DP700 calculates positions for a series of equally spaced holes around the circumference of a circle The message display prompts the user for various parameters it needs to do the calculations Once the DP700 completes the calculations the axis displays show the distance to each hole The operator works to Zero for each hole location See example below How to navigate to PCD function we oF wy gt Until message display shows Example Message display shows Enter centre co ordinates See using set mode P16 Enter the diameter value See using set mode P16 Enter the number of holes See using set mode P16 Enter the start angle value See using set mode P16 Note The PCD will be calculated from the 3 O clock position anti clockwise Enter the angle as a negative value if it is given as clockwise from 3 o clock Note At
27. this point you can use the keys to navigate back and forth through the above menus Y axis a 7 J 196 345 122 875 i Starting hole i a 18 2 ae starting oe ae ee tees 1__yvangle Circle centre l l A 1150MMm 7 Note The numbers appear as negative 99 mm diameter y values because the operator works to OQ i ee a l l Zero Po e UM a ees SS i 125 25mm E Navigate through the sequence of holes by using Q keys Mill Functions Line Hole The DP700 calculates positions for a series of equally spaced holes on a line The message display prompts the user for various parameters it needs to do the calculations Once the DP700 completes the calculations the axis displays show the distance to each hole The operator works to zero for each hole location See example below How to navigate to line hole function y F 8 Until message display shows Example Message display shows Enter starting co ordinates See using set mode P16 Enter the line length See using set mode P16 holes Enter number of holes See using set mode P16 Enter line angle See using set mode P16 Note At this point you can use the keys to navigate back and forth through the above menus Y axis 350mm line length i l lt D1 l l l 50m line i ov 9 holes anale E E Q Z AEL g
28. use the operator works to oa vy Datum es ee o _ X axis Navigate through the sequence of holes by using J D gt keys Mill Functions Polar Co ordinates g The Polar co ordinate function enables the operator to convert the displayed data from the conventional cartesian co ordinates X Y to polar length angle co ordinates for any plane XY XZ or YZ See example below How to navigate to Polar co ordinate function Example Cartesian Polar Co ordinates Co ordinates Lathe Functions This chapter details the Lathe functions of the DP700 Tool Offsets The Tool Offset function allows the operator to enter and store offsets for a range of tools This enables the operator to change tools without resetting absolute zero or datum Using tool offsets ensures that diameter and length measurements will remain consistent after tool changes This speeds up tool changes and increases productivity as it eliminates the need for the operator to stop and manually measure the diameter The number of Tool Offsets available is 50 This large number allows tools to be grouped where more than one set is used For convenience it is highly recommended that tools are physically marked with their corresponding tool number There are two ways to set tool offsets teach mode and program mode How to navigate to the tool offset function y F 8 Until message display shows Teach Mode Display will sh
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