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Topics - nqwog

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1
General Mach Discussion / CNC MISSING THE ODD STEP
« on: August 04, 2011, 08:32:47 PM »
Hi Can anyone give me some advise on my Machine missing steps.
I have a TB6560 driver board. When machening I loose the odd step after a few minutes of working.
I disconnected the screw from the stepper and it did the same. I change to 36000mhz but still no difference.
I reduced the velocity and acceleration , it is slightly better but still looses a step every now and then.
It appears to be getting worse. My gut feel is the TB6560 is the problem(chinese driver so I guess I goy what I paid for.)
Am I on the right track?
Jim

2
 I am looking for the G code for a Fleur De leise (not sure of spelling) around 100mm to 200mm high to cut on my mill
Thanks Jim

3
General Mach Discussion / Reversing steppers in Mach3
« on: December 25, 2010, 08:35:19 PM »
Hi can anyone help me reverse the direction of motors without changing wiring. I did this once but can not rember how I did it old age is creeping in.
Thanks Jim

4
General Mach Discussion / Setting up safe limit switches
« on: December 09, 2010, 09:45:49 PM »
Hi all  I am a new user to Mach3 and have built a homemade 3 axis CNC router. I would like to set up limit switches in case somthing goes wrong.
My question! micro switches have a common and a NO and NC terminal. I am using a TB6560 driver .
Where do I place the wires to me if I have the 5v wire as common where does the ground wire connect as I do not want a dead short between the two.?
Keep it as simple in plain language please.
Jim ???

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