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pattern design

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860019
EISBN: 978-1-62708-338-6
... Abstract This chapter outlines a methodology for the design of cylindrical pressure vessels, with emphasis on the establishment of winding patterns and the interaction between the real fiber bed geometry (finite roving dimensions) and the theoretical one. To highlight the materials-shape...
Image
Published: 01 June 1988
Fig. 9.4 Effect of flux-concentrator design on induction heating patterns. The short pattern in (a) can be widened, as in (b), by increasing the number of concentrator laminations. An even wider concentrator pattern (c) provides deeper heating at the edges of the part. From M. G. Lozinskii More
Image
Published: 01 October 2011
Fig. 9.45 Coil designs for localized heating patterns. Source: Ref 9.11 More
Image
Published: 31 March 2024
Fig. 8.18 Gear teeth contact patterns with improved gearbox design More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200164
EISBN: 978-1-62708-354-6
... tolerances required, casting design, and pattern cost. It also discusses the factors that should be considered when engineering a pattern. The chapter then presents the types of materials used for pattern construction. It provides an overview of patternmaker's shrinkage allowance. Finally, the chapter...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320063
EISBN: 978-1-62708-332-4
... the pattern without damage. Design modifications are also feasible to reduce the number of cores. Figure 6.16(a) illustrates a casting with six cores, and Fig. 6.16(b) is an improved design that reduces the number of cores to two. Fig. 6.16 Design concept to reduce number of cores 6.4.2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2023
DOI: 10.31399/asm.tb.edfatr.t56090069
EISBN: 978-1-62708-462-8
... for the electronic design automation (EDA) vendors, fabless design houses, and foundries. The remainder of the chapter is organized as follows. First, a brief background is provided for both logic and memory diagnostics. Challenges for automatic test pattern generation (ATPG) scan diagnostics are then discussed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870075
EISBN: 978-1-62708-344-7
... Abstract This chapter discusses the concept of mean stress and explains how it is used in fatigue analysis and design. It begins by examining the stress-strain response of test samples subjected to cyclic forces and strains, noting important features and what they reveal about materials...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200133
EISBN: 978-1-62708-354-6
... the potential of becoming simultaneous to a great degree, thereby drastically reducing the design to manufacturing time cycle. Within this new environment, the casting process fits ideally, with its freedom from design constraints and its requirement for actual models (patterns). This chapter will give...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200078
EISBN: 978-1-62708-354-6
... in Chapter 12, “Patterns for Steel Castings.” Pattern equipment design and the resultant costs can constitute a major source of misunderstanding between buyer and vendor. The need to construct new pattern equipment when existing equipment is available, a requirement for a full split corebox in place...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110101
EISBN: 978-1-62708-247-1
... on the stuck-at fault model and could diagnose down to a logic net in the design. Although this approach is useful for localization, it has some limitations. Stuck-at patterns typically detect a vast variety of defect types, including bridges and opens, but this fault model is not always sufficient...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110634
EISBN: 978-1-62708-247-1
... in the final application. For example, an adder circuit is tested by adding a sample of numbers. Typically, functional test patterns are manually created by designers whose goal it is to validate the correctness of the design, although vector generation may also be assisted by automated verification tools...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320011
EISBN: 978-1-62708-332-4
... of molds. Because the pattern life depends on several factors, such as the molding media, tooling design, and hardness of the pattern material, Table 3.1 is for general guidance only. General guide for pattern material choice Table 3.1 General guide for pattern material choice Pattern...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200115
EISBN: 978-1-62708-354-6
... are changed to be more strict, the design should be reviewed, as design changes may be required to meet the new soundness levels. This sometimes requires the modification of pattern equipment and foundry technique. These changes should always be discussed with the foundry engineer. The purpose...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1985
DOI: 10.31399/asm.tb.sagf.t63420001
EISBN: 978-1-62708-452-9
... are designed into the gear as an integral part and are usually included in the dimensional specifications. Each characteristic contributes significantly to the tooth load contact pattern, which greatly influences the unit area accepting the maximum loads. Tooth-to-Tooth Running Pattern Tooth-to-tooth...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220185
EISBN: 978-1-62708-341-6
... of good coil design. Fig. 8.2 Induction heating pattern produced in a round bar placed off center in a round induction coil Fig. 8.3 Effect of coil design on inductance. From F. W. Curtis, High Frequency Induction Heating , McGraw-Hill, New York, 1950 ( Ref 1 ) Because...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1985
DOI: 10.31399/asm.tb.sagf.t63420129
EISBN: 978-1-62708-452-9
... to design is a spur gear with a round bore, rotating on a ground shaft, and operating as an idler between the power input and the power output gears. These idler gears are commonly found in planetary-type speed reducers and wheel reduction assemblies. The complex stress patterns for this type of gearing...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370059
EISBN: 978-1-62708-447-5
... to withstand forces during shakeout without damage Longevity—acceptable lifespan to justify the capital investment Affordability—optimum design for the least cost 4.1.1.1 Rigidity The sizes of the flasks are chosen to provide for sufficient sand thickness around the pattern to allow...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 March 2024
DOI: 10.31399/asm.tb.gvar.t59360127
EISBN: 978-1-62708-435-2
... the eccentricity to the desired limit with the current design of the gearbox; therefore, many gearboxes were rejected during package testing. To ensure there was good load sharing among planets, all the gears after the test were removed and inspected for tooth contact patterns. Gear tooth contact patterns...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280079
EISBN: 978-1-62708-267-9
... with convex wall removed, revealing the complex internal structure produced with the aid of a core of the design shown next to the blade. Making the Mold. An appropriate number of wax patterns are attached to a tree complete with the usual casting devices of pouring cup, sprue, risers, and so...