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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Thu 19 August 2010, 00:56
Replies: 449
Views: 182,894
Posted By Alan_c
I was running the test patterns with my shortest...

I was running the test patterns with my shortest 6mm solid tungsten slot drill. The mirror frame test was run with a 11.2mm straight router with 1/2" shank - both very stiff.

I never checked the Y...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Wed 18 August 2010, 14:50
Replies: 449
Views: 182,894
Posted By Alan_c
All 4 motors now running on reduction drives -...

All 4 motors now running on reduction drives - its smoooooth. :D:D

Found a few issues while testing. After changing the steps per setting I ran a test file and found that the Y dimension was a...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Wed 18 August 2010, 11:58
Replies: 449
Views: 182,894
Posted By Alan_c
Not sure on sheet sizes but I think it is same...

Not sure on sheet sizes but I think it is same size as plastic/perspex 2m x 1m.
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Wed 18 August 2010, 09:31
Replies: 449
Views: 182,894
Posted By Alan_c
Yep its not cheap, as a comparison I bought two...

Yep its not cheap, as a comparison I bought two pieces of aluminium for this job in November last year - Cost R361.15, bought these two pieces of Tufnol end of July - Cost R 395.69 (both including...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Wed 18 August 2010, 04:58
Replies: 449
Views: 182,894
Posted By Alan_c
Thanks for all the comments. I have checked...

Thanks for all the comments.

I have checked the files again and both holes are cut to the same specs with the same direction and with the same cutter the only difference is the position on the...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sun 15 August 2010, 03:45
Replies: 449
Views: 182,894
Posted By Alan_c
Belt Reduction Build Process

After having seen some questions on the forum regarding how to build belt reduction drives, I have decided to document the process I followed. I originally wanted to make mine with aluminium but...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Thu 12 February 2009, 13:54
Replies: 449
Views: 182,894
Posted By Alan_c
The need for gearboxes

Busy making prototypes for a customer on a tight deadline who's normal supplier of this item has dropped them. Not the most technically challenging job but interesting none the less - apparently...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Mon 04 June 2007, 15:51
Replies: 449
Views: 182,894
Posted By Alan_c
Reduction Drive by belt - Designs

This post originally made in the motors thread - now moved to here...

A request for all the great minds out there...

something we have not discussed much in detail is a design of a self built...
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