I can't align correctly my bitsetter on new CM update

[RuiMartins]

Hello.

I cant change the dimensional limits of my Sp XXL PRO in new CM? I was running in the old program and everything was fine now i nstallthe update and i can`t change de dimensional limits from 850 to 855 to correct the bitsetter position.

Thank you in advance

[WillAdams (William Adams (Carbide 3D))]

First, try re-tensioning the Y-axis belts (and X) probably not taut enough.

It might be that you have enough adjustment in your Y-axis homing switch location to get it positioned as necessary. If not,

Configure the machine w/o the BitSetter, then initialize it, then calibrate for belt stretch:

Calibrating the machines over long distances

The typical technique for machine calibration: https://my.carbide3d.com/faq/belt-stretch/ depends on precision measuring tools, and is limited by the reach of the tools in question. EDIT: It also depends on access to the MDI — if using Carbide Motion v6 it will be necessary to enable this in Settings | Options: [image] It should be possible to cut strips from a suitable blank of material, one along each axis — so we set up a square file which matches an available blank of material: [ima…