Product Description

  New DUF Ballscrew Kit G0704101015 for Hoss G0704 CNC Conversion:

C7

1605 series X axis DUF Ballscrew with Nut: 10mm mount bearing

1605 series y axis DUF Ballscrew with Nut: 10mm mount bearing

2005 series  z axis DUF Ballscrew with Nut: 15mm mount bearing

2005 series z axis DUF Ballscrew with Nut: 15mm mount bearing

Please check this drawing:

Newg0704kit (7068 downloads)

Total: about 11 ibs

if it is bent, how to fix it, click the link

ScrewShaftStraightness (3852 downloads)

These are my recommendations for oldhams from mcmaster.com.

For the X and Y axis

The Stepper Motor Oldham Couplers are from McMaster.com

(2) Part# 59985K113 1 inch Hub, 5-16" bores,

(2) Part# 59985K18 1 inch Hub, 3/8" bore (or bore to match your motor shaft)

(2) Part# 59985K63 Acetal Coupling Discs

For the Z axis

(2) Part# 59985K18 1 inch Hub, 3/8 inch bores (for 570 Nema 23 Stepper)

or (1) Part# 59985K18 1 inch Hub, 3/8 inch bore and (1) # 59985K19 1/2" bore for Nema 34)
(1) Part# 59985K63 Acetal Coupling Disc

We do not have the special version (415mm  length is for the extended front mount y version, a 500 mm length is for the extended rear mount y axis version)

SUF and DUF Difference

There are many Videos in Youtube to show you  how to do it