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o.t. grinding 6al4v


Jeremiah
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We have titanium casting that has a .877/.878 width clevis x approx. 3.25 deep. The walls of the clevis are .438 thick. One interior wall is -B- and the opposite inside wall must be // within .001 to -B-.

 

With all that said. My thought was to mill the clevis with .003/.005 excess material on each interior wall and use an arbor mounted grinding wheel to finish the width of the clevis one side at a time.

 

My question is, should I just go to the loony bin now, or has anybody done this ?

 

Thanks

Jeremiah

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GRINDING ON A MILL!!!!

Sure no problem buddy. I have done it before

and it worked great.

I also mounted a diamond to dress the wheel on

the machine and wrote a macro to redress and

comp. the amount I'd dress off. Needed to be

complicated so we could hold .0002 tol.

 

PEACE biggrin.gif

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We grind Ti all the time, but do it on the grinders. I have done grinding on the mills in the past and when apropriate (for production processes) I prefer super abrasive (CBN) plated wheels rather than conventional so that dressing is not an issue.

 

Regarding the Ti, choose a relieved wheel geometry to keep surface contact to a minimum when side wheeling and use copius amounts of coolant.

 

http://www.abrasive-tech.com/Pages/Aircraft.html

 

http://www.winter-diamantwerkz-saint-gobai...tml/wheels.html

 

[ 09-30-2003, 05:05 PM: Message edited by: CAMmando ]

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