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Search: Posts Made By: KenC
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Thu 16 October 2014, 07:21
Replies: 449
Views: 465,205
Posted By KenC
Why not go the extreme with GT2 timing belt &...

Why not go the extreme with GT2 timing belt & pulley. you might be able to get 8:1 ratio if you don't mind fat & clumsy look.
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Thu 16 October 2014, 05:03
Replies: 449
Views: 465,205
Posted By KenC
@Dale, 10 tooth? wow, u using NEMA17 motors? ...

@Dale,
10 tooth? wow, u using NEMA17 motors?
u need some simple trigonometry maths or draw it in CAD to get the length. or search for manufacturer's tablets.
"A:" I just buy belts I need......
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Mon 21 July 2014, 23:54
Replies: 449
Views: 465,205
Posted By KenC
Chirpenchuck, Look at the bright side, you...

Chirpenchuck, Look at the bright side, you alarmed the uninitiated from unnecessary machine injuries :)
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Mon 21 July 2014, 01:09
Replies: 449
Views: 465,205
Posted By KenC
Danilo is a giving person. I totally share...

Danilo is a giving person. I totally share Danilo's opinion on.

I totally understand how one's ego get bloated out of proportion after building a working MM from scratch. Been there.. :p

Nobody...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sat 20 November 2010, 09:00
Replies: 449
Views: 465,205
Posted By KenC
I can't download all the belt reducer files of...

I can't download all the belt reducer files of Leo #41 (Castone) in post #263 (http://www.mechmate.com/forums/showthread.php?p=36952&postcount=263)
Can anyone help?
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Tue 14 September 2010, 03:50
Replies: 449
Views: 465,205
Posted By KenC
I recon as long as you use the same belt length &...

I recon as long as you use the same belt length & same ratio of each sets, the adjusting slot will work just fine. Lets take diyengineer's design as the case, assume using 2 3:1 sets, if you fix the...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sun 12 September 2010, 06:01
Replies: 449
Views: 465,205
Posted By KenC
If you are like me, (return my maths to my school...

If you are like me, (return my maths to my school teacher the moment after my exam) There is an easy way out, you can do it graphically by drawing to scale on any cad program, then measure.
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sun 22 August 2010, 09:27
Replies: 449
Views: 465,205
Posted By KenC
I cut a scooter for my little one & he distroyed...

I cut a scooter for my little one & he distroyed it within the day...
Now a go-cart will surely get him jumping... Any nice design around?
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sun 15 August 2010, 08:52
Replies: 449
Views: 465,205
Posted By KenC
Fantastic work! Always wonder if those Tufnol are...

Fantastic work! Always wonder if those Tufnol are good for structural use.
Maybe lighter cut will help with the hole dimension.
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Wed 03 March 2010, 22:42
Replies: 449
Views: 465,205
Posted By KenC
Dave, that is exactly what I have in mind. Even...

Dave, that is exactly what I have in mind. Even if the stepper motor can't provide enough "counterweight" to replace the spring, the 2 forces will work coherently instead of acting against each other...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Wed 03 March 2010, 20:59
Replies: 449
Views: 465,205
Posted By KenC
That makes 2 of us, personally don't see the need...

That makes 2 of us, personally don't see the need to keep the belt-reduction/gearbox compact... Compactness may looks good (a very subjective thingie) but does it provide any meaningful improvements?...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Fri 29 January 2010, 23:12
Replies: 449
Views: 465,205
Posted By KenC
Something like this with a 180 deg wrap & same...

Something like this with a 180 deg wrap & same foot print.

8348

This is the concept, the holding structure can be any metal.
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Fri 29 January 2010, 22:19
Replies: 449
Views: 465,205
Posted By KenC
Matt, don't worry about your design getting lost...

Matt, don't worry about your design getting lost in this thread. Keen MM builder & genuine builder-to-be will go through every word in the thread, eventually...

Combining is doing us a favour, we...
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