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Unread 03-01-2016, 20:25
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Greg Needel Greg Needel is offline
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FRC #2848 (All-sparks)
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Re: Presses and techniques for 1/2" HEX broaches

Quote:
Originally Posted by thinker&planner View Post
We use almost the exact same one. It works, but there is no easy way to make sure the broach is completely centered.

Also, it takes like 10,000 cycles of the hand lever to broach one thing. It gets very annoying, and takes us way too long. Does anyone else have experience with this, and do you have a good technique?
Many of the ram ends on those presses are threaded under the cap, if so you can fabricate a custom broach holder, which will maintain the broach being straight. Think of it as a block that is drilled out to the 1/2 round blind hole so that the broach will be supported, then attach it to your press.


As for the 10,000 cycles to broach, you could always convert your press to pneumatic using one of these (or similar) http://www.harborfreight.com/10000-p...ump-98318.html

Assuming you have air power in your shop it might save you some handle pumps.


Greg
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Greg Needel│www.robogreg.com
Co-founder REV Robotics LLC www.REVrobotics.com
2014 FRC World Champions with 254, 469, & 74