ProHold Chucks

November 13, 2012

Planet Products introduces its ProHold Series of lightweight, low profile self centering chucks for vertical turning lathes (VTL) up to 66" in diameter. The proprietary clamping system allows the chucks to built with a low profile to increase the available machining envelope. The lighter weight allows greater table capacity for larger workpieces, and reduced rotational inertia.

Options include steel or aluminum construction, individual micro-adjustable jaws, T-slots, and modular top tooling. Available in mechanical or hydraulic clamping, with 2-, 3-, 4- or 6-jaw configurations for all popular VTL models.

Related Glossary Terms

  • centering

    centering

    1. Process of locating the center of a workpiece to be mounted on centers. 2. Process of mounting the workpiece concentric to the machine spindle. See centers.

  • turning

    turning

    Workpiece is held in a chuck, mounted on a face plate or secured between centers and rotated while a cutting tool, normally a single-point tool, is fed into it along its periphery or across its end or face. Takes the form of straight turning (cutting along the periphery of the workpiece); taper turning (creating a taper); step turning (turning different-size diameters on the same work); chamfering (beveling an edge or shoulder); facing (cutting on an end); turning threads (usually external but can be internal); roughing (high-volume metal removal); and finishing (final light cuts). Performed on lathes, turning centers, chucking machines, automatic screw machines and similar machines.