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IndustryArena Forum > MetalWorking Machines > Haas Machines > Haas Lathes > success! big piece mounted and turning!

Thread: success! big piece mounted and turning!

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  1. 08-25-2009, 12:46 AM #1
    pmurdock
    pmurdock is offline Registered
    Join Date
    Mar 2006
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    103

    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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