Ultra Precision CNC Ballscrew Kit, Fits PM-728VT Ultra Precision Milling Machine

CNC Ballscrew and Bracket Kit, Fits PM-728VT Ultra Precision Milling Machine – Includes ball screws, motor mounts, couplers, etc. to convert your machine to CNC! Bolt in kit, no drilling or modifications required! This kit allows you to mount NEMA 23 motors on the Y and X Axis, And NEMA 34 motors on the Z Axis. (This kit does not include motors or any electronics, it is the hardware kit only for the CNC conversion)

Main Features:

• Double Nut Rolled Ball Screws on all 3 axes minimize backlash
• Cast Iron mounting brackets maximize rigidity
• Angular Contact Bearings used on all 3 axes for even less unwanted movement
• Bolt in kit, easy installation – No modifications required
• OEM Kit – Machine warranty unaffected when converted to CNC with this kit
• Complete 3 axis kit, includes everything needed for installation
• 5 Year Warranty

Included in kit:

• Double Nut, Precision Rolled Ball Screws for X, Y, and Z Axis, 5mm Lead
• Cast Iron X and Y Axis Mounting Brackets sized for NEMA 23 Motors
• Cast Iron Z Axis Mounting Brackets sized for NEMA 34 Motors
• Couplers for motor to ball screw connection (X and Y Couplers are for 3/8″ motor shaft, Z coupler fits 1/2″ motor shaft. Ball screw ends are all 10mm) **If you need to use other couplers, you can use up to 1.125″ Outside Diameter couplers on X and Y, and 1.500″ on Z. *Sizes updated, all kits shipping from now have sizes listed above
• (6) 7001VV Angular Contact Bearings
• Safety Covers
• Mounting Hardware (Screws, washers, etc.)
• Parts List / Installation Instructions
• Includes everything needed to mount your step or servo motors and install your CNC kit (Motors and CNC control are not included, this is only the hardware kit as shown)

Ball Screw Complete Details:

• Thread Direction: Right Hand
• Nominal O.D.: 16mm
• Lead: 5mm
• Ball Circuits: 1
• Qty of Circulation Tubes: 3
• With Flange
• Double Nut
• Circuit Type: U – Internal Type DIN69051
• Accuracy Grade: C5
• Non Backlash

Click here for installation instructions: PM-728VT Ball screw kit-2021 V2

Ships at no extra charge when ordered and shipped at same time as machine. Shipping is $49.99 if shipped separately.

Click here for installation diagram: PM-728VT Ball screw kit-2021 V2

Click here for parts diagram w/part numbers: CNCBallScrewKit PM 728VTPartNumbersv1