[Bf-committers] New add-on: Add Gears

Campbell Barton ideasman42 at gmail.com
Sun Mar 7 12:23:34 CET 2010

Not sure if Michel reads this mailing list, but I contacted him to see
what he thinks of your suggestions.
Probably we should ask extension authors subscribe to this list too.

On Tue, Mar 2, 2010 at 7:02 PM, Seppo Tukiainen
<seppo.tukiainen at pp2.inet.fi> wrote:
> This is great add-on but, it's parameters differs what are used in real world for designing gears.
> With the current parameters, it's not so easy to model complex transmissions.
> However, here is a simple equations for calculating gears. Only few parameters are needed to design gear pairs.
> For example:  Parameters for designing one straight cut gear wheel:
> - MODULE:  Standardidized values, whitch defines teeth size.  -> ability to transfer power.
> - NUMBER OF TEETH:  How many tooth are needed in the wheel.
> - CAP CLEARANCE:  The clearance value between two gear wheels.
> All of the rest values can be calculated:  Reference diameters, Center distance, Tooth size, Pitch, etc.
> These simple equations includes following:   STRAIGHT CUT GEAR (inside and external), STRAIGHT BEVEL GEAR, HELICAL GEAR (inside and external), WORM GEAR.
> By using these calculations, it is werry easy to design transmissions within different sizes of gear wheels and ratios.
> There is no special gears included (like non-circular).
> I think that the parameters shoud be changed to represent widly used methot to calculate gear wheels.
> If you are agreed that current parameters can be changed to correspond real gear's design parameters, I can send this information to required address.
> Br:  Seppo Tukiainen
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- Campbell

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