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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sun 31 January 2010, 12:08
Replies: 43
Views: 50,193
Posted By Gerald D
Ron, there is no merit in pursuing this "debate"...

Ron, there is no merit in pursuing this "debate" here. The days of arguing whether the earth is flat or round are long over.

Thread closed
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Tue 12 January 2010, 19:45
Replies: 43
Views: 50,193
Posted By Gerald D
Jimbo, and at least one more, shared chopper's IP...

Jimbo, and at least one more, shared chopper's IP address. They have all been shut down.
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Tue 12 January 2010, 11:02
Replies: 43
Views: 50,193
Posted By Gerald D
That post will stay - it makes a good epitaph

That post will stay - it makes a good epitaph
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Mon 11 January 2010, 08:57
Replies: 43
Views: 50,193
Posted By Gerald D
Folk that want to pursue this argument can get it...

Folk that want to pursue this argument can get it out their system at Need help with backlash...please (http://www.cnczone.com/forums/showthread.php?t=97003)on the CNCzone.
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sat 09 January 2010, 20:29
Replies: 43
Views: 50,193
Posted By Gerald D
Chopper, I have a big problem with your...

Chopper, I have a big problem with your participation at this forum because you only make posts about: geared motors have backlash (true) that cause cumulative errors (false) and that this is cured...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sat 09 January 2010, 08:49
Replies: 43
Views: 50,193
Posted By Gerald D
Thanks Francis. A simple sketch does indeed show...

Thanks Francis. A simple sketch does indeed show the simple physics. Driving an old car or truck with backlash (slop) in the steering wheel also shows it - the wheel spokes alway go back to the same...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sat 09 January 2010, 05:32
Replies: 43
Views: 50,193
Posted By Gerald D
Francis, you also have it wrong.

Francis, you also have it wrong.
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Fri 08 January 2010, 10:15
Replies: 43
Views: 50,193
Posted By Gerald D
Brad types faster than me! :)

Brad types faster than me! :)
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Fri 08 January 2010, 10:15
Replies: 43
Views: 50,193
Posted By Gerald D
There is no maths to be done. You can not...

There is no maths to be done. You can not accumulate backlash (it does add to itself).

.005" of backlash will stay .005" anywhere on the table, even after a year of running 200 000 line files...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Thu 07 January 2010, 20:07
Replies: 43
Views: 50,193
Posted By Gerald D
Can backlash give a cumulative error?

That is NOT backlash - that is lost steps from overloading the stepper motor. (or an under-powered stepper motor)
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