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12. Motor Cover

12-1. Dismount

Please follow the procedure below for removing the motor cover. [See Fig.5]

1) Loosen the hexagon socket head cap screws

⑪

, which set the motor case

①

on the

base

⑩

and carefully detach the motor case

①

by lifting the case upward. On this

occasion, since wiring and air hose, etc. are connected, be careful not to apply load to

them in consideration of the their length.

2) Remove wiring, air hose and cannon connector of motor

②．

12-2. Waterproofing

In order to prevent the entering of coolant from the outside, O-ring

④

is used at the portion

of connection between motor case

①

and the body.

For detaching the motor, remove either of the hexagon

socket headless tapered pipe plug,

⑤

⑥

, and loosen

the hexagon socket head cap screw

⑦

on the coupling

⑧

which connects the worm shaft

⑨

and the motor

②

Then, remove the four hexagon socket head cap screws

③

which secure the motor

②

in order to detach the motor.

When re-installing the motor

②

, be sure to securely

tighten the bolts and plugs.

When the motor case

①

is re-installed, be carefully not to

damage the O-ring. The damaged O-ring may allow the

cutting water to enter the motor case.

CAUTION

Содержание MR250RAE13

Страница 1: ...rom experienced personnel the distributor or our company Before installing operating or maintaining this equipment carefully read this manual and the safety labels attached to the equipment Failure to follow these instructions and safety precautions could result in serious injury death or property damage Store this manual near equipment for future reference If any questions related to safety arise...

Страница 2: ......

Страница 3: ...lose attention to the procedures with the following warning marks to avoid severe injury and or accident Safety Alert Symbol This is the industry Safety Alert Symbol This symbol is used to call your attention to items or operations that could be dangerous to you or other persons using this equipment Please read these massages and follow these instructions carefully It is essential that you read th...

Страница 4: ...s TUX Series TR Series TL Series TP Series LR Series TM Series TH Series TT Series TW Series DM Series Directives Machinery Directive 2006 42 EC EMC Directive 2004 108 EC The above product has been evaluated for conformity with above directives using the following European standards Machinery Directive EN ISO 12100 1 2003 A1 2009 EN ISO 12100 2 2003 A1 2009 EN ISO 14121 1 2007 EN 60204 1 2006 A1 2...

Страница 5: ...ge 7 4 Confirmation of Clamp and Unclamp 7 5 Solenoid Valve for Clamp and Unclamp 8 Mounting the Workpiece 18 9 Maintenance Work 19 9 1 Corrective Action in Case of Failure and Disassembly 9 2 Before Performing Maintenance Work 10 Adjustment of Backlash between Worm Wheel and Worm Gear 20 10 1 Measuring the Backlash of the Worm Gear 10 2 Adjusting the Backlash of the Worm Gear 11 ZRN device 25 11 ...

Страница 6: ...38 17 Indexing Accuracy and Pitch Error 39 18 Mounting Rotary Joint Option 40 18 1 Alignment of discharge opening face 18 2 Pining to supply part Appendixes Appendix 1 Outside View Appendix 2 Wiring Diagram Appendix 3 Details of Nameplate ...

Страница 7: ...ssume responsibility for damage or accidents caused by misuse of the NC Rotary indexing tables through non compliance with the safety instructions Turn off the main power of the machine prior to maintenance check or repair of the unit Failure to do so may cause severe injury and or accident ON OFF OFF DANGER ...

Страница 8: ... Hex Bolt Size Torque N m M10 33 8 M12 58 9 M16 146 3 M20 294 3 Make sure the working area is clear of any foreign object and or hand when the unit is in operation to avoid any serious accident and or injury Do not apply cutting force which exceeds the specification in this manual Failure to do so may cause severe injury and or damage to the unit WARNING ...

Страница 9: ...lt your local distributor before attempting any modification of the unit Maintain adequate clearance between the unit and any part of the machine Avoid bending the external cables and air tube of the unit NO WARNING ...

Страница 10: ...4 Use a support steady rest or tailstock for heavy or long workpieces to prevent any injury and or accident Workpiece Steady Rest Tailstock WARNING ...

Страница 11: ... eye bolts and a sufficient leash or wire Mount or dismount the workpiece to or from the unit while the unit is clamped to avoid damage to the internal mechanism and diminished indexing accuracy of the unit Leash or Wire Eye bolt PNEUMATIC CAUTION ...

Страница 12: ...or regulator Drain catcher The air supply port is on the motor case Apply air purge inside the motor case and be sure to provide dry air Periodically drain the water in air filter It is recommended to use the auto drain type Mist separator Relief valve Don t supply air from the relief valve NO OUT IN Air filter Drain Regulator Drain catcher SMC CAUTION ...

Страница 13: ...7 NOTICE Mount all covers attached with O rings No damages on O rings Replace lubricating oil every 6 months O ring O ring ...

Страница 14: ... mm φ128 φ165 φ200 φ250 φ320 φ165 Horizontal kg 120 160 200 250 350 80 9 Allowable Mass of Workpiece Vertical kg 60 80 100 125 180 40 10 Allowable Work Inertia kg m2 0 22 0 51 1 00 1 95 4 49 0 25 11 Total Reduction Ratio 1 60 1 72 1 90 1 90 1 120 1 40 12 Max Rotation Speed M signal specification min 1 50 41 6 33 3 33 3 25 16 6 75 13 Mass of Rotary Table kg 33 41 61 85 135 43 14 Operating temperatu...

Страница 15: ... rotation In the case of MRM320 2000 min 1 rpm Be sure to observe the allowance work inertia even if the mass of workpiece is within the allowable value There is any case that the tailstock is required by the mass of workpiece shape cutting conditions etc For the conditions for using the table refer to the above specification columns and caution items Set each cutting condition so as not to exceed...

Страница 16: ...nce plane for horizontal installation Per 150mm 0 02 4 Parallelism of rotating axis center line and reference plane for vertical installation Per 150mm 0 02 5 Parallelism of rotating axis center line and guide block center Per 150mm 0 02 6 Indexing accuracy Cumulative 20 sec MX M 40 sec 7 Repeatability Cumulative 4 sec MX M 8 sec 1 2 3 4 5 6 7 Index accuracy is measured with the optical device ...

Страница 17: ... on the machine If there is any play between the guide block and the T slot place the unit against one side of the T slot to eliminate the gap 4 Firmly clamp down the unit to the machine with the furnished clamping fixtures Do not enter a part of your body under the NC rotary table during transportation Unexpected accidents such as a disengagement of lifting devices may cause the NC rotary table t...

Страница 18: ...e machine ensure to avoid any interferences with any part of the machine Especially when the machine has a capability of X Y Z axis movement of the spindle head or the machine bed the interference must be checked carefully before starting the operation 4 2 Lubrication Change the lubricating oil every 6 months Be sure to drain all oil from the unit first When pouring oil into the unit make sure to ...

Страница 19: ...ye Wash your eye with fresh water for at least 15 minutes and then consult a doctor Accidental drinking Consult a doctor immediately without vomiting forcibly If you are polluted in your mouth wash with water thoroughly For lubrication oils and hydraulic oils other than specified ones and antirust oils prepared by the customer refer to the safety information prepared for respective oils 4 5 3 Flam...

Страница 20: ...are removed 3 Confirm that the electric connection cables and hoses are not damaged and the pneumatic pressure is appropriate 4 Confirm that the machine zero operation and indexing operation and position 5 Confirm that there is no abnormal vibration or noise eq Body and motor 6 Confirm that there is no abnormal heating eq Body and motor Periodic inspection Inspect the following items every six mon...

Страница 21: ...ism 7 2 Inlet Pressure for Table Clamp 1 Use an appropriate filtration system Air Filter Mist separator Regulator Drain catcher set 2 Connect the pipe exclusive for air pressure durable to max operating pressure over 0 6 MPa to the air pressure supply port The air pressure supply port is provided on the motor case See the external view attached for details 3 Use this unit in the air pressure range...

Страница 22: ...tc may be damaged so that the dew cannot be exhausted and that air pressure is kept in the motor case Therefore the portion of exhaust should not be closed When exhausting though exhaust sound occurs there is no trouble 7 4 Confirmation of Clamp and Unclamp The unit is equipped with two built in pressure switches for clamp unclamp detection as shown in Fig 1 1 1 5 The set up pressure of each switc...

Страница 23: ...ch for Unclamp Detection SP1 Pressure Switch for Clamp Detection Motor Solenoid Valve Base SP1 Pressure Switch for Clamp Detection SP1 Pressure Switch for Clamp Detection SP2 Pressure Switch for Unclamp Detection SP2 Pressure Switch for Unclamp Detection Motor Motor Base Base Solenoid Valve ...

Страница 24: ...h and a solenoid valve please refer to the wiring diagram 8 Mounting the Workpiece Securely mount the workpiece to the unit If this is not done properly it may cause severe injury and or accident as well as poor indexing accuracy Avoid mounting a workpiece which has poor flatness or perpendicularity directly to a table face This may strain the table and prevent smooth rotation which may result in ...

Страница 25: ...sting valve of air combination that supplies the air to the NC rotary table to 0 MPa or shut off the power of the air compressor to exhaust the compressed air so as to stop the supply of the working fluid Perform the maintenance work with the workpiece removed Performing the work with the workpiece left on the table may cause the workpiece to be dropped out resulting in injuries Appropriate value ...

Страница 26: ...18 53 35 105 If it is necessary to adjust the amount of backlash measure the backlash using the following procedure 10 1 Measuring the Backlash of the Worm Gear See Fig 2 1 Set a dial gauge on the side face of the guide block on the top surface of the table 2 Turn the table slowly by using the tap on the surface of the table as shown in Fig 2 And read the value of the dial gauge when tooth of the ...

Страница 27: ...ical installation and for horizontal installation remove the same pipe plug model MR M 160 MR M 320 MX M 160 3 8 or MR M 120 MR M 200 MR M 250 1 4 located on the reference plane for vertical installation 3 You will see the coupling through the hole after removing the screw plug in the previous step Rotate the worm shaft to a position where you can see the hexagon socket head cap screw which fixes ...

Страница 28: ... bearing case cover mounting surface and it will cause the cover not to be fixed If this happens after backlash adjustment replace adjusting screws to shorter ones according to the following table and adjust backlash again MODEL MR M 120 MR M 160 MR M 320 MX M 160 Original screw M6 12 M6 16 M6 16 M8 20 Adjusting screw Shorter screw M6 8 M6 8 M6 10 M8 16 After adjusting reassemble the worm gears by...

Страница 29: ...eference plane for vertical installation Hexagon socket headless tapered pipe plugs at horizontal installation Reference plane for horizontal installation Hexagon socket headless tapered pipe plugs at vertical installation Bearing case Backlash adjustment value Adjustment screws sticks out And obstructs the cover MR M Fig 3 1 ...

Страница 30: ...d cap screw Coupling Motor Bearing case Adjustment screws Cover Hexagon socket head cap screws Hexagon socket Worm shaft Motor case Reference plane for horizontal installation Hexagon socket headless tapered pipe plugs at vertical installation Adjustment screws sticks out And obstructs the cover Backlash adjustment value MX M Fig 3 2 ...

Страница 31: ...ted in the table and it can be mounted on the optional position of outer periphery When shipping a product the flank of the guide block fitted on the table has been positioned parallel to the reference plane for vertical installation Fine adjustment of the ZRN position may be required at the customer at the time of interface with the NC controller of the machine 11 2 ZRN device Adjustment See Fig ...

Страница 32: ...nge head screw plug Rock nut Proximity switch 0 75mm 11 3 Sensor Mechanism 1 Proximity Switch See Fig 4 The gap between the dog and the proximity switch should be adjusted to approximately 0 75mm by the 1 00mm pitch thread provided on the proximity switch Fig 4 ...

Страница 33: ...r to prevent the entering of coolant from the outside O ring is used at the portion of connection between motor case and the body For detaching the motor remove either of the hexagon socket headless tapered pipe plug or and loosen the hexagon socket head cap screw on the coupling which connects the worm shaft and the motor Then remove the four hexagon socket head cap screws which secure the motor ...

Страница 34: ...lane for horizontal installation Hexagon socket headless tapered pipe plugs at vertical installation Motor case Base Reference plane for vertical Installation Hexagon socket headless tapered pipe plugs at horizontal installation O ring Hexagon socket head cap screw Coupling Motor Fig 5 ...

Страница 35: ...between NC rotary table and control unit Check the cable for connection and connect it Broken cable between NC rotary table and control unit Check the cable for continuity and replace it Faulty clamp device See Symptom Decentered workpiece overloaded fixture and friction torque of steady rest and rotary joint make the load torque larger than the motor torque Compare the specification of NC rotary ...

Страница 36: ...s motor output Compare the specification of NC rotary table with the work condition to make improvement Lack or deterioration of lubricating oil blocks smooth rotation Check oil level viscosity and change interval of lubricating oil Faulty clamp device See Symptom Inappropriate backlash amount Adjust backlash amount to appropriate value Symptom Chattering occurs during cutting Possible causes Corr...

Страница 37: ...table immediately Please contact the sales agent Symptom Index accuracy error Possible causes Corrective actions The unit is overloaded during rotation Compare NC rotary table specification with work condition to make improvement Workpiece is dislocated due to low clamp torque Compare NC rotary table specification with cutting condition to make improvement Zero return position is dislocated due to...

Страница 38: ...2 1 04 Hexagon socket headless tapered pipe plug Rc1 4 Rc1 2 1 05 Hexagon socket headless tapered pipe plug Rc3 8 Rc3 8 1 06 Hexagon socket headless tapered pipe plug Rc1 4 2 07 Hexagon socket headless tapered pipe plug Rc1 4 Rc3 8 Rc1 2 Rc3 8 2 08 Cover 1 09 Machine screw M4x8 4 M5x8 3 M6x10 3 M5x10 3 M5x8 4 10 O ring S35 5 S90 S53 S35 5 1 11 Hexagon socket head cap screw M6x20 4 M6x25 4 M6x20 6 ...

Страница 39: ...33 Note 1 Left Hand Front Side Back Side Note 1 ...

Страница 40: ...S195 GS210 GS245 GS290 GS195 1 25 Connector plate 1 26 Machine screw M5x14 4 27 Seal washer 5 8 28 O ring S112 2 29 Bulkhead connector KQE06 02 1 SMC 30 Seal washer 14S1 1 31 Machine screw M4x10 4 32 Cover 1 33 Machine screw M5x8 4 34 Machine screw M5x8 1 35 Seal washer 5 1 When the specification is 4th axis the motor case and the cable are different from the above figure For detailed models refer...

Страница 41: ...102 TAIYO 53 Silencer EBKX A9012 1 SMC 54 Plug silencer PSA101 1 TAIYO 55 Pressure switch for clamp detection PS1000 R06L Q X140 1 SMC 56 Pressure switch for unclamp detection PS1100 R06L Q X141 1 SMC When the specification is different the model and the installation position of the solenoid valve and the pressure switch are different from the above figure For detailed models refer to attached wir...

Страница 42: ...M 200 MR M 250 MR M 320 MX M 160 Q ty Recital 71 Machine screw M6x8 1 72 Washer 6 1 73 O ring P10 1 74 Holder for Proximity switch 1 75 Proximity switch FL7M 2K6H 1 Yamatake 76 Seal washer DT 1 8 1 Mitsubishi Cable No proximity switch is provided for the M signal type ...

Страница 43: ...M10 1 93 Hexagon head bolt M12x45 2 M16x55 2 M16x50 2 M16x65 4 M16x75 4 M16x55 2 Strength Dimension 8 8 94 Washer 12 2 16 2 16 4 16 2 95 Clamp 4 96 T slot nut 1412 2 1816 2 1816 4 1816 2 When the specification is different the clamping parts and guide block are different from the above figure For detailed models refer to attached outside view ...

Страница 44: ...ith the appropriate cover to protect it from dust and maintain its accuracy Note Some raw wood is chemically unstable and may cause rust on the unit 16 Disposal of NC Rotary Table Dispose of this unit in accordance with the laws and regulations of your country You may suffer punishment if you disposed of this unit without following the laws and regulations ...

Страница 45: ...ence mm 1 60 60 360 α π D L 2 10 125 4 60 60 360 5 D L D L π α 3 10 424 2 60 60 360 6 D D L α π α Examples Assuming the diameter of the workpiece is 100mm and by using formula 2 the cumulative indexing accuracy of 20 seconds as linear length at table circumference will be mm L 004848 0 10 100 20 424 2 6 Therefore the length is approximately 0 0048mm And converting the cumulative pitch error of 0 0...

Страница 46: ...rotary joint discharge opening face the thickness of the spacer attached to the rotary joint must be adjusted B size in the following figure When the rotary joint is mounted additionally or a set of rotary joint parts is replaced check the product type and manufacturing number and contact Kitagawa branch or your agent 18 2 Pining to supply part To route the pipe to the supply part of the rotary jo...

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