noun

noun

• 1An axle or spindle on which something revolves.

  ‘The third step is to mount the wheels on the arbors and to place these assemblies between the front- and backplates in such a way that the wheels and pinions mesh and turn freely.’

  More example sentences

  • ‘The indenter was secured into the arbor of a milling machine.’
  • ‘The bushing is secured in place by a solid arbor that passes through the front of the frame, through the middle of the bushing and is locked in place by the pivoting barrel and ejector rod.’

  1. 1.1A device holding a tool in a lathe.
     ‘Each shooter's tool kit contains loading dies, a small arbor press and a powder measure capable of being adjusted to throw precise charges.’
     More example sentences

     • ‘Technician A says unless the job is done with an arbor press the tone wheel is likely to become deformed.’