SHARS 3 3 Jaw Self Centering Lathe Chuck w/ Cert. 003 TIR R8 Shank Arbor NEW. Each high quality chuck comes with a certification that documents TIR. Chuck Center Hole: 0.630. Chuck Body Thickness: 1.969.R8 arbor allow to use the chuck in horizontal or vertical position. Self Centering lathe chuck will open and close all 3 jaws simultaneously. Semi-steel chuck body made from high quality cast iron. 3 pinion available around the chuck body to allow easy access for the lathe chuck key to open or close the jaws. Each pinion is ground and hardened to HRC 43.
Both sides of the jaw teeth and guides are ground and hardened to HRC 58-62. Each set of jaws are serialized in their own set. A serialized set of jaws are then finished, ground, and lapped on their designated chuck body which will be the same chuck body on the final assembly to achieve a greater accuracy. Before assembling the jaws to its designated chuck body, the jaws finish machining is performed on a close tolerance state of the art CNC machine from Japan. The scroll plate's thread flank are ground on both sides to achieve tighter contact with the master jaw.Each chuck has gone through rigorous accuracy and repeatability inspection by clamping and jamming multiple random testing rods or rings. Accuracy is maintained for the entire clamping range. Clamping Range A-A1: 0.079-0.866. Jamming Range B-B1: 0.984-2.756.
Clamping Range C-C1: 0.866-2.480. One set of inside jaws (3 pcs per set) for internal holding. One set of outside jaws (3 pcs per set) for external holding.We have other chucks & back plates available at. If you need to speak to a sales person feel free to call.
We are open Monday through friday 8:30 to 5:00 est. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Other Workholding". The seller is "discount_machine" and is located in this country: US. This item can be shipped worldwide.