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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sun 15 August 2010, 08:12
Replies: 449
Views: 480,670
Posted By bradm
Great work! Alan, is there any chance that the...

Great work! Alan, is there any chance that the bearing rebates in the smaller pieces were cut in a conventional direction and those in the larger were cut in a climb direction?
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Tue 19 January 2010, 14:09
Replies: 449
Views: 480,670
Posted By bradm
Orotemo, if, in fact you have a sloppy set of...

Orotemo, if, in fact you have a sloppy set of gearboxes with backlash, then the belt drives should help you to eliminate the backlash.

Will eliminating that backlash solve your cutting issue? ...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Wed 16 September 2009, 13:26
Replies: 449
Views: 480,670
Posted By bradm
Would something like a simple sintered bronze...

Would something like a simple sintered bronze sleeve in the opening by the pinion gear help or hurt?
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Wed 15 July 2009, 06:19
Replies: 449
Views: 480,670
Posted By bradm
Gerald, if I'm not mistaken, that looks like a...

Gerald, if I'm not mistaken, that looks like a belt drive, drawn with "belt removed for clarity".

Leo, I think placing the flanged bearing on the other side of plate that attaches to the gantry...
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