
Assembly Guide for PRS Alpha and Standard Tools • May 2, 2016
© Copyright 2016 ShopBot Tools, Inc. page 4
Table of Contents (cont’d)
Y-Axis Cable Carrier ................................................................................................................... 4-4
Mount the Lower Y Bracket........................................................................................................ 4-4
Install Upper Y-Chain Bracket .................................................................................................... 4-5
Mount Cable Carrier to Lower Y Bracket ................................................................................... 4-5
Mount Cable Carrier to Upper Y Bracket ................................................................................... 4-5
X-Axis Cable Carrier ................................................................................................................... 4-6
Install Trough Brackets for ShopBots with 6” Z’s....................................................................... 4-6
Install the X-Axis Trough: 6” Z-Axis ............................................................................................ 4-7
Machines with 12” and 24” Z-Axis ............................................................................................. 4-7
Install the Upper X Cable Carrier Bracket .................................................................................. 4-8
Cable Carrier to Upper X Bracket............................................................................................... 4-8
Cable Carrier to Lower X Bracket............................................................................................... 4-9
Test Cable Carrier Mobility on Both Axes................................................................................... 4-9
X-Axis Cable Carrier Congurations......................................................................................... 4-10
Section 5. Control Box Installation...................................................................................................... 5-1
Introduction ................................................................................................................................ 5-1
Hardware .................................................................................................................................... 5-2
Installation .................................................................................................................................. 5-4
Alternate Mounting for 12” and 24” Z-Axis Models ................................................................... 5-5
Section 6. VFD Installation and Spindle .............................................................................................. 6-1
Introduction ................................................................................................................................ 6-1
VFD Installation........................................................................................................................... 6-1
Hardware .................................................................................................................................... 6-2
Determining the VFD Model ....................................................................................................... 6-2
Voltage Amperage ...................................................................................................................... 6-3
Mounting the 10” VFD ................................................................................................................ 6-3
Mounting the 16” VFD ................................................................................................................ 6-4
Spindle Installation ..................................................................................................................... 6-5
Hardware .................................................................................................................................... 6-5
Lower the Z-Axis Extrusion ........................................................................................................ 6-6
Spindle Mounting Plate .............................................................................................................. 6-6
Attach Spindle ............................................................................................................................ 6-7
Replace Stop Screw................................................................................................................... 6-7
Section 6 Appendix: Table Leg Drawings................................................................................... 6-8
6” Table Leg....................................................................................................................... 6-8
12” Table Leg..................................................................................................................... 6-9
Section 7. Mounting X- and Y-Axis Motors ......................................................................................... 7-1
Introduction ................................................................................................................................ 7-1
Hardware .................................................................................................................................... 7-2
Motors ........................................................................................................................................ 7-2
Mount Pinions to Motors ............................................................................................................ 7-2
Identify Motors............................................................................................................................ 7-3
Check Alignment of Pinions with Rack ...................................................................................... 7-3
Check Pinion/Rack Alignment.................................................................................................... 7-3
Adjust Pinions (If Required) ........................................................................................................ 7-3
Mounting Locations.................................................................................................................... 7-4