Y-Axis Ballscrew Replacement

Parts List Reference Files Tools Required Torque Chart
Note: Most common screw sizes shown. Always consult manufacturers recommendations.
Screw Size Grade Torque Specs Range
M5 12.9 7.7-10.3 N-m
M6 12.9 13.1-17.6 N-m
M8 12.9 32.1-42.6 N-m
M10 12.9 64-84 N-m
M12 12.9 110-146 N-m
M16 12.9 274-365 N-m
M20 12.9 534-712 N-m
M24 12.9 923-1231 N-m
Tools Required
1. Set of Metric Allen Wrenches
2. Set of Metric Open End Wrenches
3. Set of Metric Sockets
4. Ratchet and Extensions
5. Torque Wrench
6. Lift Assist Device
7. Depth Gauge
8. Lubricating Oil
9. Isopropyl Alcohol
10. Lint Free Rag
11. Fine Stone

Step 1: ECPL

Step 2:Refer to Y-Axis Motor Replacement

Refer to steps 1-4 of the Y-Axis Motor Replacement procedure for instructions on removing the motor.

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Step 3: Remove Motor Housing

Step 4: Remove Insert

Step 5: Measure / Remove Coupling

Step 6: Remove Motor Cables

Step 7: Remove Brake / Brake Disc

Step 8: Remove Brake Housing / Snap Ring / Brake Gear

Step 9: Remove Key / Snap Ring

Step 10: Remove Fasteners from Bearing

Step 11: Remove Lube Line from Bearing

Step 12: Remove Fasteners from Ballnut

Step 13: Remove Lube Line from Ballnut

Step 14: Remove Ballscrew

Step 15: Replace Needle Bearing / Snap Ring

Step 16: Measure Coupling

Step 17: Lubricate Bearing

Step 18: Install Bearing

Step 19: Install Locknut / Coupling

Step 20: Install Inner Race

Step 21: Install Insert

Step 22: Clean Bearing Mounting Surface

Step 23: Clean Ballnut Mounting Surface

Step 24: Install Ballscrew

Step 25: Install Key / Snap Ring

Step 26: Install Fasteners into Bearing

Step 27: Install Lube Line into Bearing

Step 28: Install Fasteners into Ballnut

Step 29: Install Lube Line into Ballnut

Step 30: Install Motor Housing / Brake Gear / Brake Disc

Step 31: Install Brake

Step 32: Install Coupling / Torque

Step 33: Install Motor Cables

Step 34: Install Insert

Step 35: Install Motor Housing

Step 36: Refer to Y-Axis Motor Replacement

Refer to steps 14-21 of the Y-Axis Motor Replacement procedure for instructions on reinstalling the motor.

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Step 37: ECPL

Step 38: Activate Lubrication and Run-in

Activate the Lubrication Cycle several times via the HMI - Prepare - Pwr-up Cond. HMI screen. After the lubrication cycles have been completed, it is now necessary to run-in the ballscrew. This can be accomplished by moving the axis back and forth along the entire length of travel at half rapid speed for 30 minutes.

Then allow the ballscrew to cool for 45 minutes.

Once completed, the ballscrew can now be fully loaded.