Gear cutting with slitting Saw?


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Thread: Gear cutting with slitting Saw?

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    Default Gear cutting with slitting Saw?

    Hi Guys,

    recently i found an interesting video on YouTube.

    Someone is cutting a Gear on a 4 axis machine with LinuxCNC and a self written O-Code. As tool he is using a standard slitting saw.
    Ok, it will least a long Time to do the Job, but the pro is, that no special tool is required. You can cut a wide range of Gears with only one cheep tool.
    Is it possible to do this with one of the commercial CAM Products like Masteram or Gibbscam? What do you think?

    Greetings Oliver

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    Community Moderator Jim Dawson's Avatar
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    Default Re: Gear cutting with slitting Saw?

    I think it is possible to do this in a commercial CAM program, but I think it is easier to just hand write the code. I think about 20 lines of code is enough. Each gear tooth requires only 3 operations, center cut, top angle cut, and bottom angle cut. Then rotate to the next tooth and repeat. You just put the cutting code in a subroutine and call the code from a loop. Rotate the A axis to the next position on each pass through the loop.



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    Default Re: Gear cutting with slitting Saw?

    Check out Gearotic, written by Art Fenerty, one of the original developers of Mach....



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    Default Re: Gear cutting with slitting Saw?

    Hardly an original approach, although you are much better advised to use a ball-end milling cutter. The slitting saw creates very high stress corners at the bottom of every gap.
    I make my own aluminium GT2 pulleys with a 1.1 mm ball-end cutter..

    Cheers
    Roger



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    Default Re: Gear cutting with slitting Saw?

    www.gearotic.com

    Supports rotary axis, outputs g-code, does involute gears, spur gears, bevel gears, chain sprockets, timing pulleys, ratchets, Geneva mechanisms....



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    Default Re: Gear cutting with slitting Saw?

    .......duplicate post

    Last edited by louieatienza; 06-26-2017 at 01:21 PM.


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Gear cutting with slitting Saw?

Gear cutting with slitting Saw?