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-   Driving Mechanisms: Rack/pinion, gears, screws, belts & chains (http://www.mechmate.com/forums/forumdisplay.php?f=24)
-   -   Need help with rack dimensions :( - Bitola, Macedonia (http://www.mechmate.com/forums/showthread.php?t=1625)

gorantec Fri 10 April 2009 05:21

Need help with rack dimensions :( - Bitola, Macedonia
 
sorry if is stupud to ask but im very newbie in this :)

i have here one suplier and making racks 60 sm long ok its not problem i will connect them but suplier ask me how much tooth did i need on 60 sm long racks so please let me know how much tooth will need ?

i was searching on the forum but nothing find and theat why i ask :o

gorantec Fri 10 April 2009 07:11

1 Attachment(s)
Ok if you dont understand me i was thinking how much tooth per 60 sm rail

Gerald D Fri 10 April 2009 08:04

Will your supplier also make the round (circle) gears that will run on the rack?

I ask that question because the round gears must be matched to the rack.

We normally use a "Module 1" rack in a metric country. For 60 centimeter there will be 190.986 teeth.

gorantec Fri 10 April 2009 08:07

yes suplier will also make gears

Thanks for your answer

Gerald D Fri 10 April 2009 08:19

If your gears are direct on the motor shafts (with no gearboxes), then your gear diameter should be 24 millimeter (at the middle of the teeth) and it will have a quantity of 24 teeth.

IF you do have gearboxes on your motor, then you can increase to 36 millimeter average diameter and quantity 36 teeth.


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