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Book Chapter

By Howard Friedman
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002171
EISBN: 978-1-62708-188-7
... Abstract Photochemical machining (PCM), also known as chemical blanking, is a metal-etching process that uses a photoresist to define the locations where the metal will be etched. This article describes the major steps used in the PCM process, namely, the preparation of the phototool, selection...
Image
Published: 01 January 1989
Fig. 3 Beryllium part processed by photochemical machining More
Image
Published: 01 January 1989
Fig. 1 Flow chart of principal process steps for photochemical machining More
Image
Published: 01 January 1989
Fig. 4 Progressive stages of metal removal in photochemical machining. Metal is removed by etching on all work metal surfaces not covered by resist. Workpieces can be taken from etchant as soon as blanking is completed (d), for an undercut of 0.025 mm (0.001 in.); or etching can be continued More
Image
Published: 01 January 1989
Fig. 4 Laser base plate made of photochemically machined beryllium More
Book Chapter

By Douglas V. Gallagher, R.E. Hardesty
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002191
EISBN: 978-1-62708-188-7
... highlights some of the precautions to be followed while machining beryllium metals. Information on the cutting oils, cutting tools, and speeds and feeds used in turning the beryllium are also provided. The article describes the chemical milling and photochemical machining methods that are used for etching...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002155
EISBN: 978-1-62708-188-7
... (TEM) Chemical milling (CM) Photochemical machining (PCM) Mechanical Methods Mechanical nontraditional processes harness direct mechanical abrasive action to remove material. Mechanical processes are usually applied to workpiece materials that are difficult to machine by traditional...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0005701
EISBN: 978-1-62708-188-7
... Numbering System LBM laser beam machining nitride) USM ultrasonic machining In natural logarithm (base e) UTS ultimate tensile strength log common logarithm (base 10) PCD polycrystalline diamond LSG low-stress grinding PCM ' photochemical machining V volt m meter pH negative logarithm of hydrogen-ion MB...
Book

By ASM Handbook Committee
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.9781627081887
EISBN: 978-1-62708-188-7
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003186
EISBN: 978-1-62708-199-3
... Electrical discharge machining (EDM) Electrical discharge wire cutting (EDWC) Electrical discharge grinding (EDG) Electron beam machining (EBM) Laser beam machining (LBM) Thermal energy method (TEM) Chemical Chemical milling (CM) Photochemical machining (PCM) Machining...
Book Chapter

By R.W. Breitzig
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002188
EISBN: 978-1-62708-188-7
... Abstract Nickel-base alloys can be machined by techniques that are used for iron-base alloys. This article discusses the effects of distortion and microstructure on the machinability of nickel alloys. It tabulates the classification of nickel alloys based on machining characteristics...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006532
EISBN: 978-1-62708-207-5
... milling, photochemical milling, biochemical machining. Some of the non-conventional techniques that usually deal with micro and nano-level machining can be put under one class as follows: Micro and Nano-Machining Processes Micro and nano-machining processes: abrasive flow machining (AFM...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003987
EISBN: 978-1-62708-185-6
... is well suited to the manufacture of extremely small items, such as interlocking-fastener elements. Dimensional accuracy equal to that available only with the very best machining practice can often be obtained in coining. Many automotive components are sized by coining. Sizing is usually done...
Book Chapter

By Eugene M. Langworthy
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002170
EISBN: 978-1-62708-188-7
... completely perforated in etched areas, similar to mechanically blanked parts, rather than etched to a given final thickness, as in chemical milling. The article “Photochemical Machining” in this Volume gives a more detailed description of chemical blanking. Chemical milling services are offered...
Book Chapter

By Dana Elza, Gene White
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002168
EISBN: 978-1-62708-188-7
... Abstract Laser beam machining removes, melts, or thermally modifies a material by focusing a coherent beam of monochromatic light on the workpiece. This article describes the principal lasers used in metal processing: neodymium-glass, carbon dioxide, and neodymium-doped yttrium aluminum garnet...
Book Chapter

By American Welding Society, G.R. Spies, G.C. Barnes, K.L. Brown, W. Beisner ...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001487
EISBN: 978-1-62708-173-3
... machines, electrode holders, and personal protective devices. Adequate supervision must be provided to ensure that all equipment is properly used and maintained. Training Thorough and effective training is a key aspect of a safety program. Adequate training is mandated under provisions of the U.S...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006570
EISBN: 978-1-62708-290-7
... Abstract This article describes post-processing techniques for machining, finishing, heat treating, and deburring used to remove additive manufacturing (AM) metallic workpieces from a base plate and subsequent techniques to enhance printed workpieces. The AM processes include powder bed fusion...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006968
EISBN: 978-1-62708-439-0
... of product development ( Ref 5 ). Because of these advantages, the emergence of AM technologies marks a new era for the manufacturing industry. Polymer-based AM is a critical AM branch that first appeared as stereolithography (SLA), which is based on photochemical resin curing ( Ref 1 ). Currently...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003067
EISBN: 978-1-62708-200-6
... products into a vehicle. Encapsulated parts are produced primarily by two basic techniques: polyvinyl chloride (PVC) injection molding and reaction injection molding, in which a urethane type material is used. The fabrication technique is to clamp a glass part in a machined mold and inject the liquid...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006423
EISBN: 978-1-62708-192-4
... is generally done with lubricants that can be applied in powder form. Dry lubrication is generally used in very difficult drawing processes, such as for drawing steels and stainless steels. Figure 11 shows a dry straight-line drawing machine. Several procedures are required to ensure that a uniform lubricant...