Please help! Joe's 2006 CNC

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7 years 2 months ago #142729 by pl7i92
Replied by pl7i92 on topic Please help! Joe's 2006 CNC
if it is posible you may upload your ini and Hal file so we can get a look into
it also seams that ther can be a broken or loosen cable

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7 years 2 months ago #142734 by Badger
Replied by Badger on topic Please help! Joe's 2006 CNC
Are you using 4 wire stepper motors? The hobbycnc.com website states that their controller will only work with 5,6,or 8 wire motors.

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7 years 2 months ago #142735 by NW T1mber Art
I'm using 8 wire steppers and I will take a picture of the ini and hal file so you guys can see what's going on there. I really appreciate the help guys!

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7 years 2 months ago #142736 by Todd Zuercher
There are a whole lot of ways to wire an 8 lead step motor wrong for a uni-polar drive. Be sure you did it right.

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7 years 2 months ago #143371 by andypugh

Todd Zuercher wrote: There are a whole lot of ways to wire an 8 lead step motor wrong for a uni-polar drive. Be sure you did it right.


I had a set of 8-wire steppers where the _actual_ wire colours did not match the data sheet in the box that the steppers came in!

You need to work out which pairs of wires are each end of a phase, then which phases are pairs, and which direction is which.

You can do all this without even a multimeter.

1) Find which wires are each end of a winding. You can do this with a multimeter, or try touching together every combination one by one (making sure that only two are connected at a time). Whedn two ends of a winding are connected then the motor will be hard to turn.
Label these as A, B, C, D.

2) Now connect one end of A to one end of B, and connect the other end of A to the other end of B. If the motor is very stiff to turn then A+ is connected to B- and A- to B+. If it is easy to turn, then it might be A+ to B+ and A- to B-, so swap them. If the motor still turns freely, then try A and C as a pair, and then A and D.

3) The unpaired windings must be the other pair, work out the polarity the same way.

You now know which windings are pairs, and which end of each is + and -.

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7 years 2 months ago #143383 by NW T1mber Art
To everyone who has commented and tried to help, thank you! My issues are now resolved and my CNC is in working order once agian. My pin settings were all incorrect and the lead screw pitch was wrong. Now that I have learned the internal workings of the software I shouldn't have any problems. Agian, thank you to everybody who has invested their time to try and help me.

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