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surface finish aesthetics

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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006927
EISBN: 978-1-62708-395-9
... part surface area of 2(8 x 25) + 2(8 x 30) + (25 x 30) = 1,630 square inches and a footprint of 25 x 30 = 750. The draw ratio therefore is 1,630 / 750 = 2.17 for this part geometry. In general, the starting sheet thickness can be approximated by the product of the desired finished part wall thickness...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006912
EISBN: 978-1-62708-395-9
... surface: The surface finish on a mold has a significant effect on the ease of part ejection. Highly polished surfaces do not require the same draft angle as rough or textured surfaces. Guidelines to be observed when draft is being applied to an injection-molded part include: Nominal 1° draft should...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006939
EISBN: 978-1-62708-395-9
... and aesthetics after exposure to harsh environmental conditions. It is critical to find a balance between antiscratch properties that do not compromise physical and mechanical properties, such as odor, fogging, surface finish, ultraviolet resistance, color, impact resistance, and so on. Polymers are more...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... generation is often referred to as frictional heating or viscous dissipation. To produce a part with acceptable surface finish, the die lip temperature should be set to the melt temperature. Before entering the die, the melt often passes through a breaker plate and screen pack assembly ( Fig. 10...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
..., or in an adjoining part, can the configuration accommodate the change without major redesign? What about the effects of tolerances of the adjoining parts? Or on the assembly as a whole? Materials Is the material selected compatible with the configuration and the manufacturing process? Is surface finish...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4
... redesign? What about the effects of tolerances of the adjoining parts? Or on the assembly as a whole? Materials Is the material selected compatible with the configuration and the manufacturing process? Is surface finish properly accounted for? Will standard raw material supplies be of adequate quality...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... Critical speed Inadequate strength Inadequate controls and protective devices Fabrication Welding error Improper heat treatment Improper hardness Wrong surface finish Imbalance Lube passages not open Assembly Improper fit Improper tolerances Parts omitted Parts in wrong Parts/bolts not tight Poor...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
..., surface finish, bend radius, void content (i.e., in a casting), degree of sensitization, and so on. Examples of service conditions include magnitude of stress (either cyclic or static), exposure temperature, aggressiveness of environment, radiation exposure, electrical stress, and so on. Fig. 4...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003502
EISBN: 978-1-62708-180-1
... through a distribution and shipping process. Tracking backward up the map reveals that before the sale of the product comes the manufacturing process, which may well include the purchase of component parts or semi-finished products from other suppliers. Prior to that there is some kind of design process...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006938
EISBN: 978-1-62708-395-9
... and intermittent constraints such as those caused by impingement of two surfaces, although more permanent joints may also be involved. Depending on relative hardness, impinging surfaces may lead to gouging, wear, or even fracture. This is one reason to take note of the manufacturing finish of neighboring...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... toughness, grain size • Loading direction may show failure was secondary or impact induced • Low temperatures • Cyclic stress exceeded the endurance limit of the material • Check for proper strength, surface finish, assembly, and operation • Prior damage by mechanical or corrosion modes may have initiated...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... temperatures • Cyclic stress exceeded the endurance limit of the material• Check for proper strength, surface finish, assembly, and operation• Prior damage by mechanical or corrosion modes may have initiated cracking• Alignment, vibration, balance• High cycle low stress: large fatigue zone; low cycle high...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
..., depending on the application. For example, when aesthetics are important, a smooth weld that is uniform in size and contour may be required. Magnetic-Particle Testing Magnetic-particle testing is a nondestructive method of detecting surface and near-surface flaws in ferromagnetic materials (see...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
... examination of the fracture surfaces on fingers extending from one part of the coupling to another, the failure mode may be identified as bending overload. The failure analyst may then search for the root physical cause responsible for activating the observed failure mode. The ASM Handbook series...