Apparatus for piercing brittle materials with high velocity abra

Details Apparatus for piercing brittle materials with high velocity abra Apparatus for piercing brittle materials with high velocity abra

1989-02-09

1990-06-19

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51439, 83 53, B24C 504

Patent

active

049341111

ABSTRACT:
An abrasivejet system for cutting brittle materials is disclosed. One feature of the disclosed system is a jet-producing nozzle assembly which includes means for inducing turbulence in the jet-forming liquid during the period in which the jet initially impacts on the brittle material so that impact stress on the material is reduced. A second disclosed feature is a supplementary suction device, preferable in the form of a second nozzle dimensioned for maximum suction, which maintains a generally constant feed rate of abrasive into the cutting nozzle assembly during the turbulence-inducing phase of operation.

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