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Thread: Arrow 2 Spindle Chiller

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  1. 09-15-2022, 10:47 PM #1
    mspar004
    mspar004 is offline
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    Arrow 2 Spindle Chiller

    Our Arrow 2 1250 has the 10K RPM spindle option. It does have a glycol heat exchanger for the spindle on the back of the machine but it's just a heat sink, no active phase change cooling like a chiller. We've measured spindle growth at 0.002" after running at max RPM for 30 minutes. Fives Cincinnati has confirmed this to be typical.

    Has anyone tried attaching a stand alone process chiller to their machine to control spindle growth?

    Thanks for looking.
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  2. 09-17-2022, 02:02 AM #2
    maver1ck
    maver1ck is offline Registered
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    All the older Arrows and Sabres had a chiller on the 10K spindles that worked fine once set up properly. Biggest issue I can remember is a lot of shops had the chiller temp set too low which caused excessive condensation in the spindle.
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