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Forum: Troubleshooting Fri 25 March 2011, 16:30
Replies: 26
Views: 27,732
Posted By bradm
Doh! I was on that trail back when I was asking...

Doh! I was on that trail back when I was asking if the BOB power supply was getting warm. It probably was, but it was inside the computer so none of us saw it! We'll remember to ask the question...
Forum: Troubleshooting Sat 19 March 2011, 18:00
Replies: 26
Views: 27,732
Posted By bradm
Tuan, half coil is not the same as unipolar; you...

Tuan, half coil is not the same as unipolar; you would need a different driver to run unipolar (6 wires from each motor, not four). However, it's electrically very similar to unipolar; in both...
Forum: Troubleshooting Sat 19 March 2011, 12:37
Replies: 26
Views: 27,732
Posted By bradm
I'm surprised that the gantry moved cleanly with...

I'm surprised that the gantry moved cleanly with only one X motor. I expect that if you attempt a heavy cut close to the inactive motor, you may have some issues with accuracy. Why not try adding...
Forum: Troubleshooting Thu 17 March 2011, 13:23
Replies: 26
Views: 27,732
Posted By bradm
Hi Tuan, just getting back to this after some...

Hi Tuan, just getting back to this after some time traveling. Back in posts #59 / #60,
I was asking if you had strong motor torque _while the system is exhibiting the problem_. You indicated that...
Forum: Troubleshooting Mon 07 March 2011, 07:37
Replies: 26
Views: 27,732
Posted By bradm
Ah, Tuan, that's good news so far. I'll focus...

Ah, Tuan, that's good news so far. I'll focus elsewhere then.

The springs that hold the pull the motor mount plates to hold the pinions in the rack are designed as a failsafe mechanism - they...
Forum: Troubleshooting Mon 07 March 2011, 06:49
Replies: 26
Views: 27,732
Posted By bradm
Tuan, did you ever switch those motors, or are...

Tuan, did you ever switch those motors, or are you still on the 6.8mh inductance units? Are your geckos still running very warm?

When the system is running, is it easy or difficult to cause a...
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