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computer-aided manufacturing

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Published: 15 May 2022
Fig. 4 Once the computer-aided design layout is complete, break out each individual part into separate individual part files for full and final preparation for manufacturing. More
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
... Clock hands, instrument needles, colors, embossing Locate or guide Grooves, holes, bosses, tabs, slots Source: Ref 4 Special features designed into parts to aid manufacturing or to reduce material cost Table 2 Special features designed into parts to aid manufacturing or to reduce...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006758
EISBN: 978-1-62708-295-2
... render the component unusable. The results may also show whether issues such as corrosion, surface pitting, stress corrosion cracking or other manufacturing and in-service defects may be responsible for, or helped contribute to, the part’s condition. Overview The failure analyst should have...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003523
EISBN: 978-1-62708-180-1
... with computer-aided manufacturing to provide information for automated machining of a part. Figure 4 shows a computer-generated diagram of an accident scene in which a vehicle was driven into a guy wire from a power transmission pole. Fig. 4 Example of computer-generated diagram that illustrates...
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
... Clock hands, instrument needles, colors, embossing Locate or guide Grooves, holes, bosses, tabs, slots Source: Ref 4 Special features designed into parts to aid manufacturing or to reduce material cost Table 2 Special features designed into parts to aid manufacturing or to reduce...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006868
EISBN: 978-1-62708-395-9
.... Fig. 4 Once the computer-aided design layout is complete, break out each individual part into separate individual part files for full and final preparation for manufacturing. With the advent of 3D solid CAD files and instant prototypes and tooling estimates from those files, the 2D...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006942
EISBN: 978-1-62708-395-9
... be the immediate cause of failure, but other information, namely the design, manufacturing process, or operating instructions, can and often do aid in determining the root cause of a product failure. For example, suppose a particular medical equipment housing was manufactured using a polycarbonate. During use...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006763
EISBN: 978-1-62708-295-2
... the means for producing a three-dimensional model that can be used in computer-aided engineering analysis software for dimensional analysis, for reverse engineering, or to prepare a solid printed model of the failed component. The laser scanner can be handheld, tripod mounted, attached to a quill as part...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
.... Currently there are numerous commercial software packages available with a variety of options designed for use on all types of personal computer (PC) and mainframe platforms. Generating models through interactive design and importing model geometry from computer-aided design (CAD) software is making FEA...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006773
EISBN: 978-1-62708-295-2
... and mainframe platforms. Generating models through interactive design and importing model geometry from computer-aided design software is making FEA analysis much easier. However, with this increased ease comes the increased need to correctly understand and interpret FEA results. Care must be taken so...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003503
EISBN: 978-1-62708-180-1
... little or no memory protection and computational error checking provided by the hardware. Process-related failure modes are specific to the manufacturing or maintenance process. For example, a wax coating may be applied too thinly to provide the corrosion protection it is intended to provide. One...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... MANUFACTURING (AM) refers to a group of free-form fabrication technologies that incrementally build up a solid part by computer-controlled deposition of material from a digital solid model. The technology is an outgrowth and broadening of rapid prototyping methods that were developed in the 1980s to accelerate...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001649
EISBN: 978-1-62708-234-1
... failure of structural members. While aircraft manufacturers have gone to great lengths to characterize the parameters affecting the performance of bolted joints, their practices do not necessarily extend to ongoing service operations. Particularly in the case of older aircraft, the original materials...
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
... computer-aided design files Although dynamic loads are difficult to predict before the parts are molded, thorough testing of the final production part is essential to minimize failures in the marketplace. One also must not underestimate the importance of what is being tested and the parameters...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006851
EISBN: 978-1-62708-395-9
.... Inspection and photographic documentation of as-manufactured (nonfailed) surfaces is, however, benefited by illumination with diffuse and reflected lighting, especially if the component surface is highly reflective. After the initial condition assessment is completed through visual examination...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001528
EISBN: 978-1-62708-219-8
..., maximum). FTIR Spectrometry The black foam insulation and the reddish brown debris from the tank OD were analyzed by Fourier transform infrared (FTIR) methods per ASTM E 1252-98 using the KBr pellet technique. However, a computer-aided comparison with over 7200 library spectra provided...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006762
EISBN: 978-1-62708-295-2
...? The list is not all-inclusive, but it helps the analyst ensure that test results align, and it can aid in determining if additional testing is required or if the conclusions need to be reexamined. After the analysis is complete and conclusions drawn, it is time to report the information. Failure Analysis...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006822
EISBN: 978-1-62708-329-4
... or potential anomalies. Computed tomography may be used for smaller specimens or sections. Ultrasonic testing (UT) or phased-array UT to characterize cracklike flaws, if present One of the primary goals of NDE is to identify features and flaws that may be related to the damage, leak, or rupture...
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
... in everything from full-featured dedicated software platforms to add-ins or packages in computer aided design (CAD) software platforms. As a result of this democratization of FEA, designers should not be limited in their access to sophisticated stress analysis. However, while the tools are available...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001309
EISBN: 978-1-62708-215-0
... at undercuts in the welds or at the top fillet. No shear lips characteristic of torsional failure were noted. Chemical Analysis/Identification A Chemical analysis was conducted on a sample of frame tubing to identify the type of steel used in manufacturing the frame. The composition (wt%) 0.01 Si, 0.04...