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#1
 
08-24-2009, 07:46 PM
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| success! big piece mounted and turning! Boy - recently had a few jobs come in that were huge (for me anyways! <grin>) Check out this photo I snapped of this piece of 4140 prehard. 9" diameter - 12" length 225 pounds of pure steel mounted in a Haas SL-30 with 10" chuck with tailstock.. I tell you it was scary prepping the hole for the tailstock. I put 300 psi on the chuck pressure just to be on the safe side. Is there a general rule on how much psi one should put based on weight of material? I used a fork lift with some lifting belts to mount the piece in the chuck - wasn't too bad at all! cheers! Paul    |
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