I'm trying to test my machine and I always get wrong measurement say I'm draw an rectangle with size 150x130 mm it give completely wrong measurement like 100x90 mm.I'm not sure if step per unit is correct or what.can some one help me to find out my step per unit please the following are my machine details
34 Nema stepper motor 1.8
1/32 microstepping drive
leadscrew Dia 25mm,with 5 thread per inch and 5mm between threadcrests and is connected to the motor with pulley which has no teeth in the motor shaft and pulley which has no teeth in the screw( there no teeth in the screw gear and no teeth in the motor gear Ns,Nm)