X-carriage assembly

here, all same as workbee instructions

Items you need for this step:

1Z plate
1X plate back
1X plate front
20v wheel assembly from previous step
6M5 low profile 30mm screw
9eccentric spacer 6mm
96mm aluminium spacer
16mini precision shim
15M5 nylon insert lock nut
2ACME nut block (may look different then in the picture)
1ACME nut block (may look different)
6M5 low profile 25mm screw
1NEMA23 stepper motor
99mm aluminium spacer
7M5 low profile 60mm screw

Attach 6 V wheel assemblies to the Z plate with 30mm screws – and at one side of the plate, use 6mm spacers with a precision shim, whereas at the other side, use eccentric spacers with a precision shim:

Attribution and credit: picture copied from https://www.thingiverse.com/thing:2538752/files from file “WorkBee-Screw-Assembly-Manual.pdf” as made by Ooznest and made available under Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license (link: https://creativecommons.org/licenses/by-sa/3.0/ )

Then, attach the Z axis nut block:

Use 25mm or 30mm screws to attach the nut block – and position 3mm spacers between the nut block and the Z plate, as highlighted with the red arrow. Use M5 lock nuts to secure the screws and nut block.

Attribution and credit: picture copied from https://www.thingiverse.com/thing:2538752/files from file “WorkBee-Screw-Assembly-Manual.pdf” as made by Ooznest and made available under Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license (link: https://creativecommons.org/licenses/by-sa/3.0/ )

Now, we shall attach the nut blocks for the X axis leadscrew:

Use 25mm screws to attach the nut blocks – there is M5 tapping in the nut blocks:

Attribution and credit: picture copied from https://www.thingiverse.com/thing:2538752/files from file “WorkBee-Screw-Assembly-Manual.pdf” as made by Ooznest and made available under Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license (link: https://creativecommons.org/licenses/by-sa/3.0/ )

Attach the wheels and X front plate now , in the same way as you did for the Y axis plates:

Attribution and credit: picture copied from https://www.thingiverse.com/thing:2538752/files from file “WorkBee-Screw-Assembly-Manual.pdf” as made by Ooznest and made available under Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license (link: https://creativecommons.org/licenses/by-sa/3.0/ )

Now is also a goo moment to attach the Z axis limit switch as it’s easier to reach now:

And attach the Z plate to the X front plate with 20mm screws:

And add the Z axis extrusion:

Attribution and credit: picture copied from https://www.thingiverse.com/thing:2538752/files from file “WorkBee-Screw-Assembly-Manual.pdf” as made by Ooznest and made available under Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license (link: https://creativecommons.org/licenses/by-sa/3.0/ )

And the Z axis motor and leadscrew:

Attribution and credit: picture copied from https://www.thingiverse.com/thing:2538752/files from file “WorkBee-Screw-Assembly-Manual.pdf” as made by Ooznest and made available under Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license (link: https://creativecommons.org/licenses/by-sa/3.0/ )

With 40mm spacers and 50mm screws:

Attribution and credit: picture copied from https://www.thingiverse.com/thing:2538752/files from file “WorkBee-Screw-Assembly-Manual.pdf” as made by Ooznest and made available under Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license (link: https://creativecommons.org/licenses/by-sa/3.0/ )