Abrasive Jet Machining

Abrasive jet machining is a finishing process that removes material from workpieces by focusing a high speed stream of abrasive particles carried in an air jet.

Process Characteristics

Uses a high velocity stream of abrasive particles carried in an air or gas jet
Is used for machining delicate or very hard materials
Produces no heat damage to workpiece surfaces
Nozzles are usually made of tungsten or sapphire to resist abrasion
Produces a taper in deep cuts
Distance of nozzle from workpiece affects the size of the machined area and the removal rate

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Information provided is from Manufacturing Processes Reference Guide by Robert H. Todd, Dell K. Allen, and Leo Alting.--1st ed. Published by Industrial Press Inc., 1994.