Mach3 - weird coodinate shift with inch/mm gcode change

[CnCAbc]

Could be missing steps ie. acceleration too high or voltage to the steppers too low. Or even excessive backlash. Or couplings loose on the motors.

Glad you got the steps per right now.

How to sort them out?
The only things I'm sure is not the issue, are the voltage to steppers and coupling, the seems/feel tight/fine.

[Clive S]

How to sort them out?
The only things I'm sure is not the issue, are the voltage to steppers and coupling, the seems/feel tight/fine.

Well you was sure the steps were fine before. Post a pic. of the machine also what drives and what is the voltage supplying them. What is the acceleration settings in Mach.

Have you measured if the actual distance is the same for X100 and Y100

We don't have crystal balls to see these things.

[magicniner]

We don't have crystal balls to see these things.

Yours in the shop for repair too? ;-)

[Clive S]

Yours in the shop for repair too? ;-)

NO mine are in the pawn shop

[CnCAbc]

I give you this one! I will double check everything and post pictures by tomorrow.

Don't tell me the crystal ball I recently purchased from the pawn shop was yours? lol

Thanks for taking the time to help!