[PSUBS-MAILIST] machining q ball

[via Personal_Submersibles]

Hank,
I've sent along some questions to the horse's mouth. Haven't heard from him in months, but I'm hoping he will get back to us shortly.
Vance



-----Original Message-----
From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
To: personal_submersibles <personal_submersibles at psubs.org>
Sent: Fri, Oct 17, 2014 4:37 pm
Subject: [PSUBS-MAILIST] machining q ball


help!
I tried to machine a q ball today as an experiment before the proper one 
arrives.  I put tape around it and put it in a 3 jaw chuck and while drilling 
the hole through it cracked.  Do I need to make a fixture to hold the q ball 
steady maybe?  I made a home made o-ring groove cutter and that worked perfect.  
The q ball is very brittle, but machines very nice.  Any ideas would be 
appreciated.
Hank
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