This page is dedicated into the setup of the « Upgrade Z Trap » kit of your Scalar S 3D printer using Trap Lead Screws
The whole procedure is to be done at the back of the machine
The Kit contains
- 2 Trap lead screws
- 2 Steel Trap Nut
- 2 plastic parts
Unmounting the old system
We unlock the Z axis couplers from the leadscrew
Scalar S – Upgrade Z Trap
Remove the M8 lead screws
Remove the previous plastic part that holds the Z nut
This part has a small hole at the back in order to insert the small nut.
Installation of the upgraded parts
Replace the previous plastic parts using the new set. Notice that the center hole is larger than the previous version to properly fit the new Trap Nut
Insert the new Hex Nut into the dedicated Grooves
Insert the new Trap Screws
Tighten the Z Coupler
The setup is finished
Firmware / LCD changes to be done
In order for the firmware to take into account the pitch of your new set of lead screws, you will need to update 1 parameter inside your firmware
If you have a LCD screen
Go into the LCD menu: Control>Motion>ZStep/mm
- Replace the previous value 2560 with 2133.3
- Save your new settings by going into the menu Control>Save Config
Things to take into consideration
Has you have changed the pitch of the screw of your Z axis, make sure your slicer is using a compatible Layer Height
Check the following article to get more information :