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three-dimensional printing

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Published: 01 June 2016
Fig. 8.2 Practical examples of three-dimensional-printed products using the cold gas dynamic spray process. (a) Prototype machine component. (b) Titanium seamless heat pipes. (c) Titanium machine components. Source: Ref 8.27 , 8.28 More
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Published: 01 January 2022
Fig. 12.125 Three-dimensional printed Francis runner integral core and casting. Source: Ref 39 . Courtesy of voxeljet AG & Wolfensberger AG More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290001
EISBN: 978-1-62708-319-5
.... The result is a sintered component with the desired shape, features, and properties. Powder-binder processes include modern ideas such as ink jet printing (forming three-dimensional, or 3-D, objects by building layer by layer) and injection molding (capable of serial production at rates approaching 1 million...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
... printing was used for printing from the home computer. The devices were fast, accurate, and inexpensive. That same idea is now employed to build three-dimensional structures by layering the powder builds. However, one option is to focus on two-dimensional structures, effectively to create printed circuits...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200140
EISBN: 978-1-62708-354-6
... also needs both types of drawings, as shapes can often be cast in various orientations. This allows for the best match of quality, shape, and low final part cost. A finished part print with finish stock indicated, as well as cast shape details, can be the best combination drawing for use by the foundry...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320063
EISBN: 978-1-62708-332-4
... as the primary, secondary, and tertiary. Three locators on the primary, two on the secondary, and one on the tertiary define the confines of the casting in three-dimensional space. This system is called the 3-2-1 system. Figure 6.1(a) ( Ref 1 ) illustrates the datum planes and locators. Figure 6.1(b...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290111
EISBN: 978-1-62708-319-5
... were made out of plastics or by shaping an easy-to-machine material. Three-dimensional binder printing allows the fabrication of the prototype from the desired material. This allows rapid design iterations. Another development made possible by additive manufacturing is the creation of lower-cost...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720293
EISBN: 978-1-62708-305-8
... with cast iron test plates have proved promising. Methods for Dimensional Inspection A number of techniques are used to determine the dimensional accuracy of castings. These include manual checks with micrometers, manual and automatic gages, coordinate measuring machines, and three-dimensional...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720063
EISBN: 978-1-62708-305-8
... Three-dimensional interpretation Very limited capabilities Highly developed Overall Best for qualitative measurement of structured scene Best for qualitative interpretation of complex, unstructured scene Source: Ref 1 Evaluation of machine and human vision capabilities Table 2...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290067
EISBN: 978-1-62708-319-5
...%) The advent of three-dimensional powder printing, initially termed rapid prototyping, freeform fabrication, and now additive manufacturing, relies on binder sprayed or jetted onto a powder bed. The binders often consist of three constituents; water is the most common filler, and acrylates are a common...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460209
EISBN: 978-1-62708-285-3
... 8.16 Fig. 8.2 Practical examples of three-dimensional-printed products using the cold gas dynamic spray process. (a) Prototype machine component. (b) Titanium seamless heat pipes. (c) Titanium machine components. Source: Ref 8.27 , 8.28 The automotive industry also displays...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720021
EISBN: 978-1-62708-305-8
... three-dimensional viewing, clearly and sharply, to magnifications as high as 180├Ś. There are several variations to consider with this equipment; they are lens combinations, the stand, and the zoom option. The lens combinations may be wholly or partly interchangeable. The ultimate use dictates the final...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290261
EISBN: 978-1-62708-319-5
... three-dimensional model data, usually layer upon layer. This is different from subtractive (machining) and formative (casting, stamping, forging) manufacturing. adiabatic forming. The use of a frozen powder-water feedstock that melts and ows under pressure but refreezes when pressure is released...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730139
EISBN: 978-1-62708-283-9
... insulators. Prestretched tubes placed over a wire joint decrease their diameters, forming a tight insulation when heated. Three-dimensional parts can be made by photostereolithography or 3-D printing using a liquid that polymerizes on exposure to ultraviolet light. A substrate platform is lowered into a bath...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550325
EISBN: 978-1-62708-307-2
...-, or three-dimensional molecules. The mer units of polymers are bonded to one another with strong covalent bonds. Most polymers contain mainly carbon in their backbone structures because of the unique ability of carbon to form extensive, stable covalent bonds. While covalent bonds are stronger than metallic...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370095
EISBN: 978-1-62708-447-5
... castings; degating or removal of runners, gates, and feeders; and flash removal and automation. The chapter also presents the objectives of heat treatment and discusses its processes. The chapter describes product quality control. Quality checks are grouped into three categories: material checks, product...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290035
EISBN: 978-1-62708-319-5
... the polymer turns back to a solid. In contrast, the thermosetting polymers, once heated and hardened, cannot be melted and reshaped (thus the name thermoset, i.e., sets with application of thermal energy). Thermosetting polymeric materials are used extensively in binder-jetting-type three-dimensional printing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000039
EISBN: 978-1-62708-312-6
... of the important goals of the parts producer is to consistently reproduce that dimensional change that has been designed or factored into the size of the compacting die, in order to be able to meet print size specifications. This is normally done by advance testing of the powder under closely monitored conditions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780019
EISBN: 978-1-62708-268-6
.... The personal computer has many purposes. Depending on how the computer is configured, it can allow its operator to write and print reports, perform mathematical operations, generate engineering drawings, access the internet, and do many other things. A manned aircraft is another transportation system...