Printed gear tooth templates

Printed gear tooth templates

This topic has 9 replies, 5 voices, and was last updated 8 March 2023 at 11:31 by JasonB.

Viewing 10 posts - 1 through 10 (of 10 total)

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7 March 2023 at 20:14 #636593
Rob McSweeney
Participant
@robmcsweeney81205
I was watching a YouTube video recently, where the contributor ground a gear cutting flycutter by cutting out a printed profile of the gear tooth and sticking it to the HSS blank. Anyone know where they got the printout from?
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7 March 2023 at 20:14 #29075
Rob McSweeney
Participant
@robmcsweeney81205
7 March 2023 at 20:23 #636594
Pete Rimmer
Participant
@peterimmer30576
Probably GearDXF. Will produce a cad drawing of any supported gear you specify which you can then open and print out.
7 March 2023 at 20:25 #636595
JasonB
Moderator
@jasonb
I've done it by printing out from a CAD drawing. Fusion 360 will do it for free rather than pay for Gear DXF

Edited By JasonB on 07/03/2023 20:26:16
7 March 2023 at 20:39 #636596
Pete Rimmer
Participant
@peterimmer30576
GearDXF is free software Jason.

https://www.forestmoon.com/Software/GearDXF/

I note that the newest version now outputs .STL files.
8 March 2023 at 00:05 #636620
Bazyle
Participant
@bazyle
In the end they are normally approximated by parts of circles. Therefore you could draw one BIG and reduce it in a photocopier, or by scanning and printing after using your photo programme to shrink it.
8 March 2023 at 00:46 #636624
Paul Lousick
Participant
@paullousick59116
Another online site for designing spur gears, 3D printing parts and other engineering services is .emachineshop.com (**LINK**) There is a large library of pre-designed parts.

Gears can be designed in either inches or mm and exported as dxf or stl format
8 March 2023 at 07:15 #636634
JasonB
Moderator
@jasonb
Peter, I was thinking of Gearotec, not GearDXF
8 March 2023 at 10:38 #636666
Rob McSweeney
Participant
@robmcsweeney81205
Thank you gentlemen, l will have a play and see how l get on.
8 March 2023 at 11:31 #636676
JasonB
Moderator
@jasonb
Do you have a link to the video, were there printed on paper or 3D printed.

As I said I have done it and I used paper, don't have a photo for gears but this is one for a form tool, printed 1:1 and cut out a piece, laid that on some gauge plate and used a sharpie to mark where to remove metal. remaining bit of paper can be used to offer the tool upto as you get close to shape..

And an internal gear where the cutter was shaped using teh same method
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