Method and apparatus for the custom shaping of dental inlays, on

Details Method and apparatus for the custom shaping of dental inlays, on Method and apparatus for the custom shaping of dental inlays, on

1985-10-22

1988-08-30

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 5D, 51281R, B24B 100

Patent

active

047667044

ABSTRACT:
A method and apparatus for machining a custom-shaped dental restorative part from a blank of dental material yield the entire part in a single operation, and include a workpiece being mounted on a support member which facilitates rotation and axial movement of the workpiece. A separating disk is used for almost the entire machining operation, and an additional tool in the shape of a burr can optionally be provided to shape more elaborate pieces. The disk and burr are supported by a tool holder which is supported for movement parallel to and rotationally about an axis. The disk and burr are powered by a closed loop fluid supply arrangement. A tool velocity sensing scheme is utilized for adaptive feed and to compensate for tool wear. The machining mechanism and associated control circuitry are enclosed in a common cabinet so as to provide a mobile unit suitable for use in a dentist's office.

REFERENCES:
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patent: 4611288 (1986-09-01), Duret
patent: 4615678 (1986-10-01), Moermann

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