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Essay / Research Paper Abstract
A 6 page overview of several types of advanced machining processes, approaches that use non-traditional machining tools for non-traditional machining needs. Types of advanced processes briefly discussed include chemical and electrochemical machining; electrochemical grinding; electrical-discharge machining; laser-beam machining; electron machining; water-jet machining; and abrasive-jet machining. The paper also discusses the economics of these advanced machining processes. Bibliography lists 9 sources.
Page Count:
6 pages (~225 words per page)
File: CC6_KSmachinProc.rtf
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Unformatted sample text from the term paper:
This paper provides an overview of several types of advanced machining processes, approaches that use non-traditional machining tools for non-traditional machining needs. Types of advanced processes briefly
discussed include chemical and electrochemical machining; electrochemical grinding; electrical-discharge machining; laser-beam machining; electron machining; water-jet machining; and abrasive-jet machining. The paper also discusses the economics of these advanced machining
processes. Chemical Machining * Also known as "known as Photo Etching, Photo Chemical Milling, Photofabrication and Chemical Blanking" (Allen, n.d.). * The goal is to "produce a phototool of the
correct size" (Allen, n.d.). * A common process begins with using a "laser photoplotter to selectively expose a photographic film" (Allen, n.d.) using computer-aided design data to make a master
image. * The resulting master image "may be stepped and repeated and contact printed to form a multiple image, registered, double sided phototool for use in production" (Allen, n.d.). *
The process creates a photo image on the photoresist-treated metal. * The process forms "an adherent, durable image on both sides of the metal" (Allen, n.d.). Electrochemical Machining * Employs
"direct current with high density and low voltage" (Electrochemical Machining, n.d.), passing the current between the workpiece and a pre-shaped tool. * The workpiece is the anode; the tool is
the cathode. * Conditions create a "deplating" reaction, dissolving metal ions from the point of contact between the anode and cathode in the presence of an electrolyte solution. * The
workpiece takes on the shape of the pre-shaped tool. * Conductive materials can be machined with no wear on the tool. * There is no thermal or mechanical stress on
the workpiece or the tool. * "Complex geometrical shapes can be machined repeatedly and accurately" (Electrochemical Machining, n.d.). * The tool and workpiece never make direct contact; the process is
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