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Showing results 1 to 10 of 10
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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains

Mon 23 July 2012, 06:52

Replies: 26

X Y Z reduction

Views: 32,109

Posted By viz

Yes but sometimes it's better to wait :) Maybe 3M...

Yes but sometimes it's better to wait :) Maybe 3M timing pulley is more accuracy than 5M timing pulley in reduction ?

Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains

Sun 22 July 2012, 23:42

Replies: 26

X Y Z reduction

Views: 32,109

Posted By viz

Thank you Richards. What timing pulley are...

Thank you Richards.

What timing pulley are you using for reduction, 3mm pitch or 5mm pitch ? Because here in my country we need to wait for one month to get 3mm pitch pulleys

Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains

Sun 22 July 2012, 12:18

Replies: 26

X Y Z reduction

Views: 32,109

Posted By viz

Yes but the price for planetary reduction is...

Yes but the price for planetary reduction is about for one axis 200EU

Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains

Thu 19 July 2012, 22:52

Replies: 26

X Y Z reduction

Views: 32,109

Posted By viz

Thank you all for explaining ! I decided to use...

Thank you all for explaining ! I decided to use belt reduction.

Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains

Thu 19 July 2012, 09:50

Replies: 26

X Y Z reduction

Views: 32,109

Posted By viz

Nice, so this idea should work. I will search...

Nice, so this idea should work. I will search tomorrow in my country for standard anti-backlash pinion gears. Let you know if find something.

Also waiting answers from people who have made belt...

Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains

Thu 19 July 2012, 03:49

Replies: 26

X Y Z reduction

Views: 32,109

Posted By viz

I fixed pinions with shaft key, one pinion key...

I fixed pinions with shaft key, one pinion key hole are made 90 degree and another one 91 degree, it could be turned over, maybe it is enough 90.5 degree, need to test.

Also i added rubber...

Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains

Thu 19 July 2012, 00:07

Replies: 26

X Y Z reduction

Views: 32,109

Posted By viz

We can solve backlash by adding 2 pinions, one is...

We can solve backlash by adding 2 pinions, one is rotated by very small angle, you can see it in screenshots.

But the main problem here is that 12 tooth pinion is too small. We can rotate one...

Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains

Wed 18 July 2012, 10:31

Replies: 26

X Y Z reduction

Views: 32,109

Posted By viz

I have an idea how to make anti-backlash, i will...

I have an idea how to make anti-backlash, i will make 3d model and upload it today.

Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains

Wed 18 July 2012, 07:23

Replies: 26

X Y Z reduction

Views: 32,109

Posted By viz

Ok i attached 3d model and screenshot, at this...

Ok i attached 3d model and screenshot, at this moment it is not calculated distances from pinions, but the main idea i think is clear.

Nema 34 motor, 12 and 36 tooth pinions.

Maybe somebody...

Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains

Tue 17 July 2012, 23:39

Replies: 26

X Y Z reduction

Views: 32,109

Posted By viz

X Y Z reduction

I am interested in reduction, was reading this forum but found that people are using only belt driven reductions.

Belt is elastic and it stretch, or it does not affect the cutting quality anyway...

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