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Posts Made By:
Gerald D
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Wed 27 February 2008, 21:56
Replies:
15
Why must the gear teeth be so small or fine?
Views:
25,283
Posted By
Gerald D
Eloid, a 12 pitch gear with a diameter of 1" will...
Eloid, a 12 pitch gear with a diameter of 1" will have 12 teeth.
A tooth count of less than 20 makes for a rough running gear. That is just the way it is. Make the rack too big and the pitch...
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Sat 06 October 2007, 23:46
Replies:
15
Why must the gear teeth be so small or fine?
Views:
25,283
Posted By
Gerald D
Dave, what would be your choice of pinion for a...
Dave, what would be your choice of pinion for a direct drive motor? Not a theoretical choice - something readily available from a catalog. Remember, we want enough cutting force, so the pitch...
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Sat 06 October 2007, 08:52
Replies:
15
Why must the gear teeth be so small or fine?
Views:
25,283
Posted By
Gerald D
Gents, lets not forget this is (was) Stefan's...
Gents, lets not forget this is (was) Stefan's thread. He said at the beginning he has motors "KL34H280-45-4A (http://www.kelinginc.net/KL34H280_45_4A.pdf) from Kelling (620 oz 4V 4.5Amp)". If he...
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Fri 05 October 2007, 12:22
Replies:
15
Why must the gear teeth be so small or fine?
Views:
25,283
Posted By
Gerald D
Dave, you are causing lots of confusion. The...
Dave, you are causing lots of confusion. The reason for the small gear size on a direct driven motor is to get TORQUE. Bigger is smoother, yes, but they don't give the torque to drive the machine.
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Thu 04 October 2007, 20:45
Replies:
15
Why must the gear teeth be so small or fine?
Views:
25,283
Posted By
Gerald D
Driller, it was your comment "using 20 pitch...
Driller, it was your comment "using 20 pitch gears and a 20 tooth spur gear might be a little rough. going to a 30 or 32 or so will be noticeably smoother." that led to the confusion. Can you help to...
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Thu 04 October 2007, 07:34
Replies:
15
Why must the gear teeth be so small or fine?
Views:
25,283
Posted By
Gerald D
What is a "30 rack"?
What is a "30 rack"?
Showing results 1 to 6 of 6
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