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Showing results 1 to 6 of 6
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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains

Tue 17 June 2008, 05:56

Replies: 14

Driving an "indexer" , or a ("4th") rotary axis

Views: 27,876

Posted By edrowell

This is kind of what I am thinking of. Looks very...

This is kind of what I am thinking of. Looks very similar to what we are doing with the rack and pinion setup.

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

Tue 17 June 2008, 05:20

Replies: 14

Driving an "indexer" , or a ("4th") rotary axis

Views: 27,876

Posted By edrowell

Gerald, Thanks for the link. Those rotary...

Gerald,

Thanks for the link. Those rotary tables look very, very nice.
I just wanted to check that I'm not doing something silly here, so I think I will try spring loading this gearbox similar to...

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

Mon 16 June 2008, 05:48

Replies: 14

Driving an "indexer" , or a ("4th") rotary axis

Views: 27,876

Posted By edrowell

I have used worm gear rotary tables in our...

I have used worm gear rotary tables in our machine shop at work and they would seem to be ideal for an indexer. However, we have several of them, and the ones that have been used for a while all have...

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

Wed 11 June 2008, 08:21

Replies: 14

Driving an "indexer" , or a ("4th") rotary axis

Views: 27,876

Posted By edrowell

The ratio for the gears are as follows: ...

The ratio for the gears are as follows:

Pinion - 20 tooth
Gear - 110 tooth
Ratio 5.5:1

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

Wed 11 June 2008, 06:40

Replies: 14

Driving an "indexer" , or a ("4th") rotary axis

Views: 27,876

Posted By edrowell

J.R., I actually have two of them, but I...

J.R.,

I actually have two of them, but I have ambitious plans for them. They are gear heads from satellite actuators and you can see the pinion still on the motors. You can find them on ebay every...

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

Wed 11 June 2008, 05:53

Replies: 14

Driving an "indexer" , or a ("4th") rotary axis

Views: 27,876

Posted By edrowell

Driving an "indexer" , or a ("4th") rotary axis

I have this gearhead and I'm thinking of buying a new motor and using it for a 4th axis. I'm wondering, if I make a mounting plate similar to the plates for the gantry motor mounts and spring load it...

Showing results 1 to 6 of 6

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