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Posted by Monterey Machine on May 26, 2006, 8:07 pm
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We have a job to drill a bunch of headed aluminum rivets, about
20,000 pcs. They range from 11/4" to 1 1/2" long, 1/4" shank with a
.110 hole all the way through. Normally we drill them on the CNC
lathe, but with this quanity it will take a long long time. What I want
to do is double or triple the drill RPM, the machine will be running at
4000rpm and the speeder I want to run at 4000 or more rpm. I did some
searching on google but all I could find is this, looks perfect but for
$3400 it pretty steep.
http://www.sommatool.com/catalog/tool.holders/drill.speeder.asp
I also looked at this, its a air powered motor, which I could modify
http://www.airmachines.com/motors.htm
There must be something out there that is air powered that someone
makes already.
Dave
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Posted by Will on May 31, 2006, 2:55 pm
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wrote:
> We have a job to drill a bunch of headed aluminum rivets, about
>20,000 pcs. They range from 11/4" to 1 1/2" long, 1/4" shank with a
>.110 hole all the way through. Normally we drill them on the CNC
>lathe, but with this quanity it will take a long long time. What I want
>to do is double or triple the drill RPM, the machine will be running at
>4000rpm and the speeder I want to run at 4000 or more rpm. I did some
>searching on google but all I could find is this, looks perfect but for
>$3400 it pretty steep.
>http://www.sommatool.com/catalog/tool.holders/drill.speeder.asp
>I also looked at this, its a air powered motor, which I could modify
>http://www.airmachines.com/motors.htm
>There must be something out there that is air powered that someone
>makes already.
>
>
> Dave
Hi,
It would seem to me that loading/unloading the rivets into the lathe
takes more time than drilling.
Would you consider an indexer on a vertical machine, as the indexer
moves the operator could load/unload. Hmmm.... might be too fast for
the poor operator.
How about two fixtures. Each holds 15- 30 rivets, while the machine
drills one the other is changed.
HTH
Will
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>20,000 pcs. They range from 11/4" to 1 1/2" long, 1/4" shank with a
>.110 hole all the way through. Normally we drill them on the CNC
>lathe, but with this quanity it will take a long long time. What I want
>to do is double or triple the drill RPM, the machine will be running at
>4000rpm and the speeder I want to run at 4000 or more rpm. I did some
>searching on google but all I could find is this, looks perfect but for
>$3400 it pretty steep.
>http://www.sommatool.com/catalog/tool.holders/drill.speeder.asp
>I also looked at this, its a air powered motor, which I could modify
>http://www.airmachines.com/motors.htm
>There must be something out there that is air powered that someone
>makes already.
>
>
> Dave