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headstock

[hed-stok] /ˈhɛdˌstɒk/
noun
1.
the part of a machine containing or directly supporting the moving or working parts, as the assembly supporting and driving the live spindle in a lathe.
Origin of headstock
1725-1735
First recorded in 1725-35; head + stock
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for headstock
Historical Examples
  • When the nuts on these bolts are tightened, the headstock is firmly clamped to the bed.

  • This bed carries a headstock and a tailstock similar to a lathe.

  • Many lathes also have gears in the headstock for changing the speeds.

    Turning and Boring Franklin D. Jones
  • The tailstock center is ground by inserting it in the spindle in place of the headstock center.

    Turning and Boring Franklin D. Jones
  • This particular machine is driven by a motor at the rear of the headstock, connection being made with the spindle through gearing.

    Turning and Boring Franklin D. Jones
  • The necessary speed changes are obtained both by varying the speed of the motor and by shifting gears in the headstock.

    Turning and Boring Franklin D. Jones
  • This movement is repeated until the thread is cut to the proper depth, as determined by one of the stops for the headstock.

    Turning and Boring Franklin D. Jones
  • At the headstock end, this rock-shaft carries another segmental pinion meshing with rack teeth formed on the cross-slide.

    Turning and Boring Franklin D. Jones
  • Unfortunately, the gearing which once existed to connect the headstock spindle with the lead screw has long been lost.

  • The back-geared lathe, in which gear-wheels at the back of the headstock are employed to reduce the speed of the lathe.

British Dictionary definitions for headstock

headstock

/ˈhɛdˌstɒk/
noun
1.
the part of a machine that supports and transmits the drive to the chuck Compare tailstock
2.
the wooden or metal block on which a church bell is hung
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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