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Stepcraft 840 winpc starter problem!
![simos simos](http://stepcraft-systems.com/wp-content/uploads/wpforo/avatars/jeyb_26475.jpg)
hi, i just receive my stepcraft 840 usb , its ready to run with the winpc starter all works perferct but when i cut cycles the are not cycles see pictures , when i cut anything else exept cycle they cut perfect, did anyone know what is the problem?i use corel then estlcam then win pc like i does with my old stepcraft600 lpt for this i have the winpc economy, thanks!
![simos simos](http://stepcraft-systems.com/wp-content/uploads/wpforo/avatars/jeyb_26475.jpg)
And the three cycles are cut the same , if i loose steps there are will not be the same right? I think is something with the speeds of x y z and the winpc starter they will not have the option for change speeds like economy.
![Helmut Brunn Helmut Brunn](http://stepcraft-systems.com/wp-content/uploads/wpforo/avatars/Mogul_27137.jpg)
Hello jeyb,
it looks as if something had loosened from the mechanics. The deviations are too large for the Backlash
Greeting
Helmut
![simos simos](http://stepcraft-systems.com/wp-content/uploads/wpforo/avatars/jeyb_26475.jpg)
I checked everything , all screws are tightened in position .
Try to shake work spindle axis manualy in all 3 dimensions.
I had a similar Problem after a 7 hour yob. 🙂
![simos simos](http://stepcraft-systems.com/wp-content/uploads/wpforo/avatars/jeyb_26475.jpg)
Bvs you mean with my hand to move y x z up and down?do you think that something have stuck? But it is quet strange that it make it only in cycles, when i cut cubes there are perfect.
![Andreas Andreas](http://stepcraft-systems.com/wp-content/uploads/wpforo/avatars/MagIO2_26123.jpg)
In squares you only move one axis at a time. You have the same problem, but you don't see it. A square will have deviations of say 2/10mm from the planned measurements. Try it.
If you fix the problem you will have exact results with any shape.
SC 420 mit DIY parallel + Proxxon mit Mod + HF500 + SprintLayout + LibreCAD/QCAD + FreeCAD +WinPC starter/USB->EstlCAM + EstlCAM LPTAdapter + EstlCAM Handrad + DIY Vakuumtisch
Gruß, Andreas
![simos simos](http://stepcraft-systems.com/wp-content/uploads/wpforo/avatars/jeyb_26475.jpg)
Try to shake work spindle axis manualy in all 3 dimensions. 🙂
Work spindle = where you put your tools in.
When you shake and push and pull here you might find out where you have a unstable part in your cnc.
there must be a unstable part... find it!
Another problem could be Inbusscrews between steper and corresponding spindle not tightend.
search and you will find B)
![simos simos](http://stepcraft-systems.com/wp-content/uploads/wpforo/avatars/jeyb_26475.jpg)
Ok thanks i will give a try
![simos simos](http://stepcraft-systems.com/wp-content/uploads/wpforo/avatars/jeyb_26475.jpg)
Can i ask and something else, i use one lap top old with usb1 and windows xp , is there a case that the stepcraft cable is usb2 and i loose data in the transfer from the lap top to stepcraft and that effect the cutting? Is and that one posibility?
![simos simos](http://stepcraft-systems.com/wp-content/uploads/wpforo/avatars/jeyb_26475.jpg)
Ok i find it the in y motor the screw was not tight enought , and now all is perfect
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