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MMD > Archives > April 2018 > 2018.04.26 > 08Prev  Next

Making a 26 Point Sprocket
By John A. Tuttle

Hi All,  I found that the hardest part of designed the gear was
creating the profile of the tooth.  After examining quite a few gears,
both new and old, I arrived at the design in the pictures.  I've used
this tooth design to have a number of sprocket gears manufactured using
CNC, 3-D printing, and regular machining.  So far, they have all worked

At Shapeways, it cost less than $10 to have this gear made out of their
'Strong & Flexible' plastic (nylon based) and just less than $80 for
aluminum.  I asked Dave Krall for the exact dimensions so I could
create an exact duplicate, but he said he was already working with
someone else on the project.

John A Tuttle
Brick, NJ, USA

 [ 26-tooth ladder chain sprocket 1
 [ 26-tooth ladder chain sprocket 2
 [ 26-tooth ladder chain sprocket 3
 [ 26-tooth ladder chain sprocket 3

(Message sent Thu 26 Apr 2018, 15:34:47 GMT, from time zone GMT-0700.)

Key Words in Subject:  26, Making, Point, Sprocket

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