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

Mon 23 July 2012, 07:53

Replies: 26

X Y Z reduction

Views: 32,248

Posted By Richards

I used the XL size pulleys and belts (0.200"...

I used the XL size pulleys and belts (0.200" pitch). That size seems to be a perfect fit for the motors that we use (1/2" diameter shaft). You can use the 18-tooth pulley on the motor and the...

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

Sun 22 July 2012, 18:17

Replies: 26

X Y Z reduction

Views: 32,248

Posted By Richards

Let's revisit why we use stepper motors. ...

Let's revisit why we use stepper motors.

1.Stepper motors are open loop. They don't need feed-back, i.e., no encoders.

2. Stepper motors are simple. Send a pulse and they move a specific...

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

Thu 19 July 2012, 14:46

Replies: 26

X Y Z reduction

Views: 32,248

Posted By Richards

It's a very interesting design, but a little...

It's a very interesting design, but a little complex (at least to me).

Anyone could use his own MechMate to make a belt-drive. (I built my first belt-drive for my Shopbot using direct drive...

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