X-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 with Ratchet and Spanner Attachment
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 X-Axis Motor Replacement

Refer to steps 2-4 of the X-Axis Motor Replacement procedure for instructions on removing the motor.

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Step 3: Remove Lube Line from Bearing

Step 4:Remove Fasteners from Bearing

Step 5:Open Maintenance Door

Step 6: Remove Lube Line from Ballnut

Step 7: Remove Fasteners from Ballnut

Step 8: Insert Jack Screws

Step 9: Remove Ballscrew

Step 10: Move Column

Step 11: Remove / Install New Needle Bearing

Step 12: Measure Coupling

Step 13:Lubricate Bearing

Step 14: Install Bearing

Step 15: Install Locknut / Coupling

Step 16: Install Inner Race

Step 17: Install Insert

Step 18: Move Column

Step 19: Clean Bearing Mounting Surface

Step 20: Clean Ballnut Mounting Surface

Step 21: Install Ballscrew

Step 22: Install Fasteners into Bearing

Step 23: Install Lube Line into Bearing

Step 24: Install Fasteners into Ballnut

Step 25: Install Lube Line into Ballnut

Step 26: Refer to X-Axis Motor Replacement

Refer to steps 11-14 of the X-Axis Motor Replacement procedure for instructions on reinstalling the motor.

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Step 27: Close Maintenance Door

Step 28: ECPL

Step 29: 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.