Handy circle dividing web page

**steamingbill** · 4th April 2014, 02:53 PM

Hey,

Thought this was handy - will split a circle into X equal parts and you can then print it - you can tell it what value of X to use ie 63, 127, 48, 37 etc

http://www.cgtk.co.uk/metalwork/divider

for us folk who don't have a dividing head - print it out and transfer onto a metal plate before paper affected too much by moisture in air ? - maybe could print onto a relatively stable medium that wouldnt deform as much as paper ?

Have seen some web pages outlining methods of transferring the printed image onto a metal plate.

another option I saw today was doing a pie chart in excel but author said it wasnt as accurate as the above link.

Probably heaps of other calculators out there doing similar things.

.............. and while I'm endorsing pages I got to that page from here http://users.picknowl.com.au/~gloami...q9325rev7.html pretty good pages for newbs and anybody else to learn a bit about gear cutting - think its Nearnexus web page ?

Bill

**ventureoverland** · 4th April 2014, 05:26 PM

Thanks for this. Defo one to bookmark.

Thx
Jon

**Oldneweng** · 5th April 2014, 05:35 AM

I have a number of degree circle templates drawn up in CAD. They can be printed at any size up to A4 etc. Printed on a laser they are pretty accurate. I have used them a number of times.

This calculator would be very handy for those that don't have access to CAD and would be a lot quicker than redrawing a circle with specific divisions.

I will try to remember this but I don't have much confidence that I will.

Dean

**scottyd** · 5th April 2014, 08:31 AM

There are plenty of free options available for doing 2D work. This one by dassault systems is related to their solidworks package. The 2D version is free. If you have the means, the full fruit version is unreal.

**Ueee** · 5th April 2014, 09:59 AM

There is also this one although more aimed at woodies.

https://woodgears.ca/gear_cutting/template.html

And this one for calculating all different dimensions

http://www.doov.com/cgi-bin/tgc_spurgear.cgi

Cheers,
Ew

**steamingbill** · 20th April 2014, 05:53 PM

Have been immersing myself in Ivan Law's book and searching web for various aspects of gearcutting for newbies.

I found the free software discussed on this page ( http://makezine.com/2010/06/28/make-your-own-gears/ ) to be very easy to use and it generates a complete involute spur gear in one hit - you input

number of teeth
circular pitch - You can calculate this from DP
pressure angle

Its then easy to see different teeth shapes associated with different pressure angles. See attached 80 teeth at 14.5 and 30 PA.

Found a couple of other other gear generating programs priced $26 & $120

Bill

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