Hardinge GD210LP Rotary Table Indexer User Manual
Contents
1. Oil and Water Soluble Coolants 2 BD ceases a av cvte one enue ae aie elon ay Msi eae 2 4 9 eea haa R EE E E Shane 21 Sirac EE 2 Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 RS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D Safety Recommendations READ COMPLETE INSTRUCTIONS CAREFULLY BEFORE OPERATING THIS UNIT Note Equipment refers to the rotary table indexer and or machine it is used with When this instruction book was printed the information given was current However since we are con stantly improving the design of our products it is possible that the illustrations and descriptions may vary from the system you receive WARNING Occupational Safety and Health Administration OSHA Hazard Communication Standard 1910 1 200 effective May 25 1986 and various state employee right to know laws require that information regarding chemicals used with this equipment be supplied to you Refer to the applicable section of the Material Safety Data Sheets supplied with your unit when handling storing or disposing of chemicals HARDINGE SAFETY RECOMMENDATIONS Your Hardinge machine is designed and built for maximum ease and safety of operation However some previously accepted shop practices may not reflect current safety regu2. Spindle Collet Ready Spindle 15 8 41 27 13 32 35 71 1 64 28 97 up to 6 152 4 up to 6 152 4 5 6 and 8 8 10 203 00 254 00 8 10 203 00 254 00 22 16 65 00 22 16 65 00 5 2 5 2 5C 16C 3J 5C 16C 3J 1 2 4 12 70 101 60 12 4 3 17 101 60 51 2 87 8 139 70 225 42 63 8 161 92 8 26 87 8 8 26 87 8 10 YES Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 BRS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D 1 7 Dimensions 1 7 1 Single Spindle GD21IOLP Rotary Table Indexer Unit Linker Rechter Motorenaufbau Motorenaufbau lt 232 5 gt 101 9 HARDINgE Durchgang MADE IN U S A Spindel 47 7 mit Spannzangen schlieBer 41 3 mit Platte 50 Side View Side View Without Closer Version UlablaueSchraube Collet Closer Version Extended Nose D re 18mm x 13 5 Passstifte Bottom View Side View Without Closer Version The GD2IOLP can be ordered with the motor on either side of the unit If the unit is ordered with the motor in the standard orientation as shown in the picture above motor is on the left looking at the faceplate counter clockwise is the positive direction and the drive dog will be in the 2 o clock position when the rotary is in the
3. aluminum Failure to make and use this tool may result in damage to the eccentric which will not be covered under warranty SEE SPECIFICATIONS ON RIGHT PRESS FIT 2 PINS 1 4 x I LONG 2 The eccentric that you will be adjusting is on the side of the indexer opposite of the motor cover Start by removing the 6 six M5 button head screws that hold the flat piece of sheet metal to that side of the indexer housing 6 M5 BUTTON HEADS 3 Remove the M set screw in the middle of the eccentric end cap and pull the end cap out of the housing using 2 two M5 bolts g M4 SET SCREW Part No BD 0009500 0156 Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com 19 20 RS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D 4 Remove the 4 four M6 bolts in the eccentric housing 5 Take note of the small dimple in the face of the eccentric The eccentricity of the eccentric goes towards this dimple Use the special tool you made to turn the eccentric to the next available hole in the direction that makes the dimple go towards the top of the indexer housing 6 Replace the 4 four M6 bolts in the eccentric and measure the backlash again 7 Continue adjusting the eccentric one hole at a time and checking backlash until an acceptable backlash is achieved NOTE Make sure when adjusting backlash that you have at least 10 a
4. so that it is measuring the top of the magnetic block 2 inches from the center of the spindle Use a wrench or steel bar to move the spindle by placing it in the t slot of the face plate Use your hand to put pressure on the wrench or bar to physically move the spindle in one direction Move the spindle in that one direction until you measure approx imately 0 001 on your indicator A R m p Remove your hand from the wrench or bar so that the spindle can spring back to a nominal position When the indicator shows that the spindle has sprung back some zero out the indicator at this position Put pressure on the wrench or bar to move the spindle in the opposite direction now Again you are going to want to move the spindle at least 0 001 and release the wrench or bar so the spindle can spring back Record the reading on your indicator as this will be used to calculate gear backlash Take the distance recorded by the indicator and divide that number by 2 because your measurement was taken 2 inches from spindle centerline Now take the inverse tangent tan of this calculated number and that will be how many degrees of backlash you have in your gears To figure out how many arc seconds that is simply multiply the degrees you calculated by 3600 If you calculate your backlash to be 40 arc seconds or less than no backlash adjustments are necessary compensate for the mechanical backlash electronically see the control man
5. will not come all of the way out of the drawtube due to snap rings in the counterbored holes Align the collet keyway with the spindle key and insert the collet and turn the draw tube to engage the collet Turn the drawtube until the collet grips the part and then back off approxi mately 4 turn This will be a good starting point for fine tuning the grip range Turn the drawtube until the bolts in the drawtube align with the holes in the piston and torque bolts to 10 ft lbs NOTE To prevent excessive wear and collet sticking make sure collets are in good condition and free from burrs A light coat of Molybdenum grease on the collet wear surfaces will extend the life of the spindle and or collet and help prevent sticking especially when operating dry COLLET KEYWAY COLLET a Nw e oes ES DRAWTUBE LOOSEN 4 M6 BOLTS Part No BD 0009500 0156 Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com 15 l6 RS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D 2 6 Removing the Hardinge Collet Closer Air collet closers fitted at the factory are not intended to be removed However if servicing is required remove air supply and all workholding and then disconnect the air lines from the collet closer Remove the 2 M8 bolts that hold the anti rotation bracket to the housing and remove bracket Remove the 10 M6 bolts nea
6. zero position If the unit is ordered with the motor on the right hand side of the unit then the spindle will move clockwise when programmed to move in the positive direction and the drive dog will be in the 8 o clock position when the rotary is in the zero position NOTE The Hardinge servo control and most machine control parameters can be changed to make either clockwise or counterclockwise the positive direction Part No BD 0009500 0156 Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com 12 HARDINgE GD210LP Rotary Table Indexer User Manual B 156D 2 Set Up 2 General Setup Fill out the warranty information by visiting www hardinge com rotarywarranty on the internet 2 Place the GD21OLP Rotary Table Indexer the machine Route the cable from the head so that it avoids tool changers and table edges Cable slack must be provided for your machine s movements If the cable is cut the motor will fail prematurely Replace any damaged cable immediately Secure the Rotary Table Indexer to the machine s T slot table as shown below upright or on its back T nut packages are available for purchase for various T slot tables Kit includes 2 T nuts 2 bolts and 2 flat washers Check to verify that all clearances are satisfied in full machine axes movements and that there is no possibility of a collision 3 Place the GD2IOLP Rotary Table Indexer i
7. 902 1507 USA USA 800 843 8801 Canada 800 468 5946 Fax 607 734 3886 To Order Online www shophardinge com Corporate Home Page www hardinge com E mail info shophardinge com All specifications subject to change without notice All marks indicated by or are trademarks of Hardinge Inc Insstruction Manual B 156D Litho in U S A Hardinge Inc 2011
8. A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 BS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D Table of Contents Important Safety Recommendations 2 Medaiewadelnesorsiides 3 Introduction BEER uo Ere 7 I2 ish sulness Overall System ex va De d Sv eR tei irs ea NICE 7 lsd dMachinable Part Size coo eer aie PIS aee e bU Het e 7 4 Standard spindle amp o aoa Qa ua ibant ma Oesubav bam eae ge edu 7 ko Fedes e o PER 9 6 ZSDECITICATIONS taney Rondo canta E eeu bti Des decis rutru 10 17 Dimensions D T NonsColleeSpindle GD210LP Ege e eo 2 Set Up PANE General oro roc T RR 12 22 Use of Collets Chucks and Face Plates NON COLLET 14 2 3 Use of Collets Expanding Collets Chucks and Face Plates COLLET READY model 14 2 4 Use of the Optional Collet Closer COLLET READY model 14 2 5 Use of Collets with the Hardinge Collet Closer COLLET READY model I5 2 6 Removing the Hardinge Collet Closer COLLET READY model l6 27 Tooling EOCaEtlODS a 7 3 Backlash Adjustment Sal Pisasuring Backlash adici timens eaS 18 3 2 Adjusting Backla Sherrer ed toe neos 19 4 Routine Maintenance 4 1 Use of
9. BRS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D 9 HARDINGE MADE IN U S A Setup and Operation for the Hardinge GD2IOLP Rotary Table Indexer Original U S A Instructions Non Collet Spindle Collet Ready Spindle Extended Spindle Nose Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 HARDINgE GD210LP Rotary Table Indexer User Manual B 156D Thank you for purchasing a Hardinge GD2I0LP Rotary Table Indexer This User s Manual is provided to assist you in setup procedures and to familiarize you with the features specifications and maintenance recommendations of your unit The mechanical indexing head can be maintained by the customer with proper cleaning lubrication and maintenance Any necessary repairs required during the warranty period will be made at Hardinge Inc or by a factory authorized representative Hardinge supplies a complete array of workholding products including chucks FlexC collet systems fixture plates and Sjogren chucks Collets step chucks and expanding collets can be used on the collet ready spindle model Custom manufacturing is also available Hardinge Inc One Hardinge Drive Elmira New York 14902 1507 U S A p 800 843 880 p 800 468 5946 Canada f 607 734 3886 Hardinge Inc One Hardinge Drive Elmira New York U S
10. Servo Control For computer control of sending and receiving programs and controlling indexer via the CNC control of host machine capable of RS 232 communication RESOLUTION Standard resolution of 001 degrees SIMPLE EDITING With Hardinge Servo Control Edit a program by simply writing over existing steps or inserting or deleting a line or several lines between steps with automatic program line renumbering SUBROUTINES With Hardinge Servo Control Allows repeated sequences up to 999 times saving programming time and memory space VARIABLE FEED RATES Variable from 001 deg sec to 240 deg sec ZERO RETURN With Hardinge Servo Control An automatic home position can be programmed to return the spindle to its original starting position from any point I2 MONTH ONE YEAR WARRANTY The Hardinge Low Profile Rotary Table Systems are provided with a 12 month warranty against any defects in material and workmanship Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 RS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D 1 6 Specifications Spindle Torque ft Ib Nm Spindle Runout Max TIR inch mm Faceplate Runout Max inch mm Faceplate Perpendicularity inch mm Backlash arc sec Speed degrees sec RPM Maximum Load Support Spindle Nose Spindle center to base inch mm Indexing Accuracy arc sec Repeatability arc
11. atically so that the clamp is engaged when the Rotary Table Indexer arrives at its programmed destination or it can be controlled with G codes For ease of use a C will appear on the display of the control whenever the clamp is engaged There is a potential for a drop in air pressure if the air line supplying the Rotary Table Indexer with air is also supplying something else with air If you receive a low pressure alarm the first thing you should check is the air pressure supplied to the Rotary Table Indexer Please note that even a momentary drop in air pressure will create an alarm situation CAUTION Never attempt to defeat the clamp protection logic as this may result in an opportunity for the system to rotate when the clamp is engaged This will cause an overload fault and repeated attempts to operate in this manner may damage the clamp Clamp requires a minimum of 85psi of air to fully release the spindle Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 BS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D 1 5 Features RIGID DESIGN Increased distance between large bearings support heavy cutting forces on medium or small parts HARDENED AND GROUND SPINDLE for higher accuracy DUAL DEEP GROOVE BALL BEARINGS support heavy cutting forces AUTOMATIC CIRCLE DIVISION With Hardinge Servo Control You can program a step that automa
12. component is in motion MAKE SURE chucks closers fixture plates and all other spindle mounted workholding devices are properly mounted and secured before starting the unit or the machine MAKE CERTAIN all tools are securely clamped in position before starting the unit or the machine REMOVE ANY LOOSE PARTS OR TOOLS left on the unit or the machine or in the work area before operating the equipment Always check the machine and work area for loose tools and parts especially after work has been completed by maintenance personnel REMOVE CHUCK WRENCHES before starting the unit or the machine BEFORE PRESSING THE CYCLE START PUSH BUTTON make certain that proper functions are programmed and that all controls are set in the desired modes KNOW WHERE ALL stop push buttons are located in case of an emergency CHECK THE LUBRICATION OIL LEVEL before operating the machine MAKE CERTAIN that all guards are in good condition and are functioning properly before operating the equipment INSPECT ALL SAFETY DEVICES AND GUARDS to make certain that they are in good condition and are functioning properly before the cycle is started CHECK THE POSITION of any load unload automation before pressing the Cycle Start push button CHECK SETUBTOOLING AND SECURITY OF THEWORKPIECE if the machine has been OFF for any length of time DRY CYCLE a new setup to check for programming errors MAKE CERTAIN that you are clear of any pinch point created by moving sli
13. des before starting the machine DON T OPERATE any equipment while any part of the body is in the proximity of a potentially hazardous area DON T REMOVE CHIPS with hands Use a hook or similar device and make certain that all machine movements have ceased Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 RS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D Safety Recommendations continued BE CAREFUL of sharp edges when handling a newly machined workpiece DON T REMOVE OR LOAD a workpiece while any part of the equipment is in motion DON T OPERATE ANY EQUIPMENT while wearing rings watches jewelry loose clothing neckties or long hair not contained by a net or shop cap DON T ADJUST tooling or coolant hoses while the equipment is running DON T LEAVE tools workpieces or other loose items where they can come in contact with a moving component of the equipment DON T CHECK finishes or dimensions of workpiece near running spindle or moving slides DON T JOG SPINDLE in either direction when checking threads with a thread gage DON T ATTEMPT to brake or slow the equipment with hands or any makeshift device ANY ATTACHMENT TOOL OR MACHINE MODIFICATION not obtained from Hardinge Inc must be reviewed by a qualified safety engineer before installation USE CAUTION around exposed mechanisms and tooling especially when setti
14. e Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 BS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D Introduction 1 1 Description The GD21IOLP Rotary Table Indexer is used for accurate and dependable positioning of medium size parts in machining operations such as milling drilling tapping contouring and spiral milling The Hardinge GD21OLP Rotary Table Indexer System is a fully integratable programmable rotary positioning device that saves on workspace without sacrificing performance The mechanical indexing head holds the workpiece which is positioned by programming angular movements into the all digital servo control as a slave to a CNC machine or directly into CNC control in a true 4 axis setup The mechanical indexing head features an A2 5 spindle nose for spindle tooling compatibility with A2 5 spindle CNC lathes coupled with a precision ground 210mm slotted face plate The GD210LP is offered in two versions Non Collet Spindle Collet ready Spindle The collet ready spindle model houses a 16C collet seat in the spindle which accepts a variety of the 16C tooling that Hardinge is noted for The 2101 Rotary Table Indexer spindle is based on the industry standard A2 5 spindle design that has been used in Hardinge lathe production for over a century The Hardinge engineered mechanical elements guarantee the spindle will be accurate repea
15. e Hardinge non collet spindle GD210LP Rotary Table Indexer System has been designed for those parts that can be conveniently clamped to the slotted face plate The collet ready spindle GD210LP will also grip parts that can be conveniently gripped in any of the 16C gripping systems Typical parts in the range of approximately 5 127mm diameter and generally not longer than 7 178mm without the use of a tailstock and are figured at a 5076 duty cycle A typical cut is figured at 7 5 HP with face or end milling Larger part sizes than those described above can be handled with additional tailstock or trunnion support 1 4 Standard Spindle Clamp The Hardinge GD21OLP Rotary Table Indexer comes with a fail safe spindle clamp that is standard from the factory This clamp allows the spindle to handle cutting forces equal to 275 ft Ib 373 Nm allowing for greater cutting forces in the non contouring mode of operation The unit contains an air sensor that will prevent indexing in the event that air pressure drops below 85 psi to the clamp so that damage is prevented Air is supplied to the clamp via a quick disconnect fitting right on top of the motor cover When equipped with the Hardinge servo control the clamp can Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 RS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D be controlled autom
16. edge of the unit weight and using proper procedures MAKE CERTAIN that the equipment is properly grounded Consult National Electric Code and all local codes Remove power from the unit by unplugging the power cord before attempting repair or maintenance Where Applicable DON T OPEN THE CONTROL BOX without consulting with Hardinge Where Applicable Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 BS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D Safety Recommendations continued DON T TOUCH ELECTRICAL EQUIPMENT when hands are wet or when standing on a wet surface Where Applicable REPLACE BLOWN FUSES with fuses of the same size and type as originally furnished Where Applicable ASCERTAIN AND CORRECT the cause of a shutdown caused by overload heaters before restarting the machine Where Applicable KEEP THE AREA AROUND THE MACHINE well lit and dry KEEP CHEMICAL AND FLAMMABLE MATERIAL away from electrical or operating equipment HAVE THE CORRECT TYPE OF FIRE EXTINGUISHER handy when machining combustible material and keep chips clear of the work area DON T USE a toxic or flammable substance as a solvent cleaner or coolant MAKE CERTAIN THAT PROPER GUARDING is in place and that all doors to the primary machine are closed and secured DON T OPEN GUARD DOORS of the primary machine while any machine
17. k 2 4 Use of the Optional Collet Closer COLLET READY spindle model The collet closer has 1 625 41 3mm through hole design with pneumatic open and close The through hole can be used for through spindle coolant or for holding long parts The pneumatic closer has 625 15 87mm of stroke which allows the use of power chucks The air pressure can be adjusted to achieve different drawbar forces out of the collet closer as shown in the chart below CAUTION If it is desired to use less than 85 psi of dry filtered air on the collet closer the spindle clamp must be plumbed separately from the collet closer NOTE Do not supply the collet closer with air pressure in excess of 120 psi at any time 39 3 30 us 9 3599 49 5s 9 3 9 m x l Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com 14 0009500 0156 BRS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D 2 5 Use of Collets with the Hardinge Collet Closer COLLET READY Spindle model NOTE All collets must be free from burrs and in good condition To install a collet first make sure that the closer is in the open position Loosen the 4 M6 bolts that hold the drawtube to the closer piston until they are fully disengaged from the piston The bolts
18. lations and procedures and should be re examined to insure compliance with the current safety and health standards Hardinge Inc recommends that all shop supervisors maintenance personnel and machine tool operators be advised of the importance of safe maintenance setup and operation of Hardinge built equipment Our recommendations are described below READ THESE SAFETY RECOMMENDATIONS BEFORE PROCEEDING ANY FURTHER READ THE APPROPRIATE MANUAL OR INSTRUCTIONS before attempting operation or maintenance of the equipment Make certain that you understand all instructions DO NOT ALLOW the operation or repair of equipment by untrained personnel CONSULT YOUR SUPERVISOR when in doubt as to the correct way to do a job WEAR SAFETY GLASSES AND PROPER FOOT PROTECTION at all times When necessary wear respirator helmet gloves and ear muffs or plugs DON T OPERATE EQUIPMENT unless proper maintenance has been regularly performed and the equipment is known to be in good working order WARNING or INSTRUCTION TAGS are mounted on the unit for your safety and information Do not remove them or damage them DO NOT ALTER THE EQUIPMENT to bypass any interlock overload disconnect or other safety device DO NOT OPERATE EQUIPMENT if unusual or excessive heat noise smoke or vibration occurs Report any excessive or unusual vibration sounds smoke or heat as well as any damaged parts LIFTING AND HANDLING OF THE UNIT should be done with full knowl
19. le Indexer User Manual B 156D continuously Conduit wire must be 12 gauge or larger and fused for at least 20 amps If using an extension cord use a three wire ground type and the ground line must be connected Use only heavy duty 12 gauge extension cords capable of 20 amp load Avoid outlets that have large electric motors connected to them Do not exceed a length of 30 feet Permanent installations should be hard wired or installed with locking plugs 7c Semi Fourth Axis Connect the remote interface cable See the included Hardinge servo control manual for more information 8 Connect 85 psi of air to the quick disconnect fitting on top of the motor cover for releasing the spindle clamp Quick Disconnect for Air CAUTION Never index GD21IOLP without 85 psi connected to the fitting or mechanical damage may occur 9 Check the oil level If it is low add oil Use MOBILGEAR 600 XP 220 only 10 Save the packing materials in case you need to ship the unit 11 At the end of the workday or shift it is important to clean the Rotary Table Indexer The rotary table indexer should be free of any chips or grime Clean with a chip brush and apply a coat of rust preventative CAUTION Do not use an air gun around the front or rear seals Chips may damage the seal if blown in with an air gun NOTE Prior to powering on the control read and understand the entire control or 4th axis manual NOTE If using a tailstock always use Live Ce
20. n an area free from chips and coolant where air can circulate freely Do not let chips pile up over the motor enclosure as this would prevent proper cooling 4 Connect the GD21OLP Rotary Table Indexer using one of the techniques as described in the Hardinge servo control or Hardinge 4th axis manual which will be included with the mechanical unit 5 Route the cable over the back of the mill sheet metal if using Hardinge Servo Control 6 If adding an indexer to a Hardinge mill using a remote CNC cable or as a true 4th axis the settings must be set for the specific unit Refer to the instructions in the Hardinge 4th axis manual or call Hardinge service department 7 f using the Hardinge servo control secure it in required placement Do not cover any surface of the control as it will quickly overheat Do not place the unit on top of other hot electronic controls 7a Connect the two cables from the indexer to the controller in the appropriate locations CAUTION Never connect or disconnect these cables with the power on Instant failure will result 7b Connect the AC line cord to a 120V AC grounded receptacle The cord is a three wire ground type and the ground must be connected Power is 20VAC The power service must supply a minimum of 15 amps Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 BS HARDINgE GD210LP Rotary Tab
21. ng up Be careful of sharp edges on tools DON T USE worn or defective hand tools Use the proper size and type for the job being performed USE ONLY a soft faced hammer on tooling and fixtures DON T USE worn or broken tooling on machine MAKE CERTAIN that all tool mounting surfaces are clean before mounting tools INSPECT ALL CHUCKING DEVICES daily to make certain that they are in good operating condition Replace any defective chuck before operating the machine USE MAXIMUM ALLOWABLE gripping pressure on the chuck Consider weight shape and balance of the workpiece DON T EXCEED the rated capacity of the equipment DON T LEAVE the equipment unattended while it is operating DON T CLEAN the equipment with an air hose KEEP TOTE PANS a safe distance from the machine Don t overfill the tote pans DON T LET STOCK project past the back end of the collet closer or equipment spindle without being adequately covered and properly supported UNLESS OTHERWISE NOTED all operating and maintenance procedures are to be performed by one person To avoid injury to yourself and others be sure that all personnel are clear of the equipment when opening or closing the coolant guard door and any access covers FOR YOUR PROTECTION WORK SAFELY DON T OPERATE THE EQUIPMENT with damaged or worn electrical cables VERIFY that the electrical cables are not restrained or pinched during full travel movement of the machine Hardinge Inc One Hardinge Driv
22. nters The use of Dead Centers could cause damage to the gear systems 12 Turn on the mill and servo control if applicable and home the indexer by pressing the zero return button The Rotary Table Indexer homes in the counterclockwise direction as viewed from the spindle Part No BD 0009500 0156 Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com 13 BRS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D 2 2 Use of 3 Jaw Manual Chucks and Face Plates on a NON COLLET spindle GD210LP The unit accepts standard Hardinge fixture plates and slotted face plates utilizing the A2 5 spindle nose on the ro tary table Always make sure that the spindle and chuck or face plate are free of dirt and chips Align the drive dog on the spindle with the drive hole on the chuck or face plate and torque bolts to torque specification in installation manual The Hardinge slotted face plate should be torqued to 40 ft lbs Since the A2 5 spindle nose is such a tight tapered fit a face plate or chuck may be difficult to remove from the spindle even after the bolts are removed If this happens support the face plate or chuck with a hoist and lightly strike the outside diameter of the face plate or chuck with a piece of brass plastic hammer or a rubber hammer so that nothing is damaged Note A hoist may be required to mount a chuck depending on the size of the chuck 2 3 Use of C
23. ollets Step Chucks Sure Grip Expanding Collets FlexC Collet Systems Sure Grip 3 Jaw Power Chucks and Face Plates on COLLET READY spindle 2101 The unit accepts standard Hardinge 16C collets step chucks ID gripping collets chucks and face plates When inserting the collet align the keyway on the collet with the key inside the spindle Push the collet in and turn the collet closer drawbar clockwise until proper collet tightness is obtained See Section 2 5 Chucks and face plates utilize the A2 5 spindle nose on the indexer Always make sure that the spindle and chuck or face plate are free of dirt and chips Align the chuck draw tube keyway with the spindle collet key and slide the chuck onto the spindle Turn the collet closer drawtube to engage the chuck Push the chuck tight to the spindle and tighten the chuck mounting bolts to the proper torque indicated in your chuck installation manual Use the collet closer drawtube to adjust the chuck for proper stroke required for ID and OD gripping Since the A2 5 spindle nose is such a tight tapered fit a face plate or chuck may be difficult to remove from the spindle even after the bolts are removed If this happens support the face plate or chuck with a hoist and lightly strike the outside diameter of the face plate or chuck with a piece of brass a plastic hammer or a rubber hammer so that nothing is damaged NOTE A hoist may be required to mount a chuck depending on the size of the chuc
24. r the outer edge of the collet closer body The collet closer should now be free to remove from the rotary table indexer If access to the spindle clamp is required remove the 6 M6 bolts that hold the collet closer adapter plate to the spindle of the indexer followed by the 8 M4 bolts that hold the clamp cover in place You should now be able to see the spindle clamp DISCONNECT AIRLINES REMOVE ANTI ROTATION BRACKET ee REMOVE 8 M4 BOLTS CLAMP COVER Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 BRS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D MADE IN ULSA CAUTION The Hardinge Collet Closer relies on air pressure to maintain clamping force and is released upon the removal of the air pressure For situations where the air is accidentally removed during operation a check valve will temporarily maintain clamping force so that the system can be brought to a safe STOP condition 2 7 Tooling Locations The GD210LP Rotary Table Indexer system is equipped with tooling points in order to speed up setups One of the most time consuming procedures in setup is aligning the head with the table On the mounting surfaces there are two 0 500 12 7mm bored holes on 1 250 31 75mm centers The holes the bottom surface are parallel to the spindle within 0 001 0 25mm 6 152 4mm and on the cen
25. rc seconds of backlash in the gear set or the gears may prematurely wear 8 Putthe rotary table indexer back together once finished adjusting backlash NOTE Put Teflon tape on the M4 set screw and screw it in to the eccentric end cap so that it is flush with the outside of the end cap after you have installed the end cap back into the housing Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 BRS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D 4 Routine Maintenance 4 Use of Oil and Water Soluble Coolants For the use of oil and water soluble coolants the following guidelines should be observed e DO NOT SUBMERGE THE UNIT IN COOLANTS Keep the coolant lines on the workpiece spraying away from the head Tool spraying and splatter usually will not be detrimental to the motor but large amounts of pressurized coolant should be directed away from the head Some machining centers provide flood coolant at enormous rates so that the head is practically submerged Try to cut the flow down to match the job e Inspect the cables and gaskets for cuts or swelling Damage must be repaired immediately 4 2 Lubrication To check the lube level of the Hardinge Rotary Table Indexer view the level of lube visible in the lubricant window when the unit is stopped The window is located on the side of the unit opposite the motor The lube le
26. sec Resolution degree Max Rotation Step degree Gear Diameter inch mm Motor Type hp kW DC servo Clamping Torque Gear Ratio gear set L pitch Timing Belt Frequency Hz Operating Specifications Duty Cycle Operating Temperature Max Ambient Power Rating VAC Oil Requirements Air Pressure Range For Clamp psi bar Weight Rotary Table Indexer Ib kg Workholding Collets Round maximum capacity inch mm Collets Hex maximum capacity inch mm Collets Square maximum capacity inch mm Step Chucks Regular Depth max capacity Step Chucks Extra Depth max capacity 3 Jaw Chucks Power diameter 3 Jaw Chucks Manual diameter FlexC Collet systems Style D Sjogren ANSI Manual Collet Chucks Scroll style Collet Chucks Sure Grip Expanding Collets Collet Style Sure Grip Expanding Collets Spindle Style Fixture Plate Spindle Mount diameter Fixture Plate Collet Style diameter Slotted Face Plate diameter Collet Stops part length control Notes maximum torque applied before slipping occurs Continuous Rotation Available 90 122 0 0002 0 0002 0 0002 40 0 001 to 240 40 Dual Deep Groove Ball Bearings A2 5 6 000 0 001 52 4 0 025 30 5 0 001 9999 99 6 2 157 0 2 0 1 5 with Hardinge Servo Control 275 ft lb 373 Nm 90 1 144 150 new belt 9076 at full speed without tailstock 120 F 49 C 115 5 IO amp MOBILGEAR 600 XP 220 85 94 5 9 6 5 200 90 7 Non Collet
27. table reliable and flexible to suit many different machining applications The spindle carries a center line from the machine bed of 6 00 152 4mm which is compatible with many other indexing products The spindle is hardened and ground for accuracy and has a rigid design with two large deep groove ball bearings to support heavy cutting forces Positioning of the spindle is accomplished through a self locking gear set and timing belt 1 2 High Stiffness Overall System The Hardinge GD21OLP Rotary Table Indexer uses a high quality hardened gear system with a 90 1 ratio achieved through gear and timing belt reduction This type of gearing allows for an efficient transmission of high torque driving capability through the worm The bearing set for this system consists of two large deep groove ball bearings located on either side of the gear set The bearings have been separated by the gear to increase the distance between the pivot points of the spindle which greatly decreases the amount of system deflection caused by machining forces This spindle is also equipped with a high torque pneumatic fail safe clamp which prevents back driving and adds a considerable amount of stiffness Stiffness or rigidity is one of the more important features of any system employed in the activity of machining operations and is the driving force for Hardinge engineered rotary systems 1 3 Machinable Part Size non colleted spindle and collet ready spindle rotary units Th
28. ter within 0 001 0 25mm By boring machine holes in your tooling plate setups become routine Using the tooling holes will also prevent the head from shifting on the mill table when the part is subjected to heavy cutting forces On mills machined stepped plug of 0 500 12 7mm diameter on one side and 0 625 15 87mm on the other comes with the Hardinge head The 0 625 15 87mm diameter fits into the T slot of the mill table This will give quick parallel alignment that will be close enough for most jobs Passstifte NOTE 0 625 15 87mm 18mm plugs are supplied as standard Plugs can be turned down to another diameter to accommodate tables with different slot dimensions Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 18 HARDINgE GD210LP Rotary Table Indexer User Manual B 156D 3 Backlash Adjustment 3 1 Measuring Backlash Make sure the spindle clamp is released prior to 5 attempting to measure backlash To measure backlash 9 2 you need the use of a 0001 indicator and magnetic v block or magnetic block Home the indexer as that is where backlash is checked at the Hardinge Factory Place the magnetic block on the indexer face plate so that the top of the block is parallel to the machine bed and in line with the spindle centerline as shown in the picture Setup the indicator
29. tically divides a circle into any number of equal parts between 2 and 999 STOP FEED HOLD With Hardinge Servo Control You can use the STOP to feed hold spindle movement without losing position on restart FAST SETUPS With Hardinge Servo Control All connectors are quick disconnect ensuring fast and easy setups INTERFACING With Hardinge Servo Control Most CNC mills can be interfaced quickly and easily by using a spare M function which provides a switch closer as signal between your mill and the control LINEAR amp SPIRAL MILLING With Hardinge Servo Control For semi fourth axis capability MEMORY With Hardinge Servo Control A nonvolatile memory retains your program even when power is turned off and remembers the current spindle position and step number PROGRAM STORAGE With Hardinge Servo Control Store and recall up to fifty different programs PROGRAMMABLE PARAMETERS With Hardinge Servo Control You can alter many of the basic features by performing basic programming PROGRAMMING With Hardinge Servo Control Program to rotate the spindle clockwise or counterclockwise with step sizes from 00 to 9999 99 degrees Using G83 amp G84 continuous rotation is allowed Contact Hardinge for maximum speeds based on duty cycle ABSOLUTE OR INCREMENTAL PROGRAMMING With Hardinge Servo Control Up to 1000 different steps can be stored in memory and each step can be repeated looped 999 times RS 232 INTERFACE With Hardinge
30. ual A chart of various angles in arc seconds measured linearly at different radiuses along with a pictorial description of backlash follow radius 2 radius 3 radius 4 radius S radius 6 radius 0 000096 0 00019 0 00029 0 00039 0 00048 0 00058 0 00014 0 00029 0 00044 0 00058 0 00073 0 00087 0 00019 0 00038 0 00058 0 00077 0 00097 0 0012 gea L D G b Y p h pea p i i if r 4 x X w 4 Jj i A 17 Mer L 1 4 i m a 1 i m r 1 4 1 pe 1 j i j 1 i r 1 P J BETWEEN 1 GEAR AND WORM WORM zer Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 BRS HARDINgE GD210LP Rotary Table Indexer User Manual B 156D 3 2 Adjusting Backlash NOTE A small amount of backlash is required for the gear set If it is determined that the backlash needs to be reduced Hardinge highly recommends that the unit be sent back to the factory if still within the warranty period If the customer decides to make the adjustments on their own Hardinge has included the following detailed instructions first thing needed for the adjustment of an eccentric is a special eccentric tool This tool can be made from either steel or
31. vel should reach the middle of the window If the unit is mounted on its back the oil should cover the entire lubricant window If necessary add lubricant until the lubricant level reaches the appropriate level on the window To add lubricant to the unit locate and remove the pipe plug from the lube fill port This is located in front of the eye hook on top of the unit Add MOBILGEAR 600 XP 220 until the proper level is reached Replace the fill port pipe plug and tighten Oil Fill Replace the oil every year Drain Oil using the drain location on bottom of unit Put unit in vertical position to completely drain oil 4 3 Clean Up At the end of the workday or shift it is important to clean the rotary table The head should be free of any chips or grime Clean with a chip brush and apply a coat of rust preventative Do not use an air gun around front or rear seals Chips may damage seal if blown in with an air gun 5 One Year Limited Warranty The Hardinge GD21OLP Rotary Table Indexer Systems are provided with a 2 month warranty against any defects in material and workmanship Specific details of the warranty can be found in the Hardinge Terms and Conditions document associated with the purchase agreement Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BD 0009500 0156 21 Hardinge Inc One Hardinge Drive Box 1507 Elmira New York 14
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