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match plate patterns

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Published: 01 December 2008
Fig. 10 Gravity-fill pressure squeeze molding machine using match plate patterns More
Image
Published: 01 December 2008
Fig. 11 Blow-fill pressure squeeze molding machine using match plate patterns More
Image
Published: 01 December 2008
Fig. 3 Steps in producing a match plate pattern from a master pattern. (a) Wood master pattern is constructed with appropriate shrinkage factors included. A reverse from the master pattern. (b) Reverse mold is used to cast the polyurethane pattern on the aluminum match plate. (c) Reverse mold More
Image
Published: 01 December 2008
Fig. 6 A typical metal match plate pattern More
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005308
EISBN: 978-1-62708-187-0
... Abstract This article discusses the types of patterns used for a specific application such as loose patterns, match plate patterns, cope and drag patterns, and special patterns. It describes the principles of the patternmaking techniques used to make expendable molds and for metal casting...
Image
Published: 01 December 2008
Fig. 2 Three types of patterns used to produce a water pump casting in various quantities. (a) Wood pattern on a follow board, good for 20 to 30 castings. (b) Match plate pattern for up to 50,000 castings depending on material. (c) Cope and drag plastic (up to 20,000 castings) or metal More
Image
Published: 01 December 2008
Fig. 8 Primary components of a match plate (squeezer) pattern More
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005249
EISBN: 978-1-62708-187-0
..., high-alumina mullite slurries for molding. The Shaw process and the proprietary Unicast processes are also discussed. ceramic molding foamed plaster process match plate pattern molding plaster molding conventional plaster mold casting slurry molding Antioch process Shaw process Unicast...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005243
EISBN: 978-1-62708-187-0
..., and squeezing, just as cope and drag patterns are ( Fig. 9 ). Fig. 8 Primary components of a match plate (squeezer) pattern Fig. 9 Drag half of a cope and drag pattern Second-Generation Machines Foundry technology has progressed rapidly since the mid-1950s, and molding methods have...
Image
Published: 31 October 2011
Fig. 5 Difference in grain size within the ring patterns observed in the horizontal-section microstructure of a bead-on-plate run of cast A356 alloy. The tool advance per revolution (APR) was 0.1 mm (0.004 in.). Note that the gap between the bands matches the APR from Ref 34 . More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
... accurately to maintain casting dimensions. Cores are placed in the drag half of the mold after the pattern is drawn from the mold and before the cope is placed on the drag to close the mold. Match-plate patterns are split patterns in which the pattern that will make the cope is on one side of the plate...
Book Chapter

By Pel Lynah
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002154
EISBN: 978-1-62708-188-7
... for spherical surfaces, and specialized single- or double-plate machines (such as ball, roller, or pin laps) constitute the vast majority of lapping installations. Matched-Piece Lapping In matched-piece lapping, sometimes called equalizing, two workpiece surfaces separated only by a layer of abrasive...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003542
EISBN: 978-1-62708-180-1
... expansion of the material. The fracture markings are no different in thermal-shock failure than in failures produced by mechanical loading. However, there are some characteristics of crack patterns, especially in plates, that set thermal-shock failure apart from failures due to uniaxial tension...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006656
EISBN: 978-1-62708-213-6
...), although modified and carried out by using computer-based search-match methods ( Ref 5 ). All computer methods make use of a diffraction pattern reference database, i.e., the International Centre for Diffraction Data Powder Diffraction File (PDF) ( Ref 6 ). For μXRD data collected using a 2-D detector...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001757
EISBN: 978-1-62708-178-8
... on the pattern is used to determine which group is to be consulted in the manual. The d value of the second strongest line in the unknown determines which subgroup to investigate to determine one or more patterns that match the other intense lines on the unknown pattern. If the other six lines of one...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009015
EISBN: 978-1-62708-187-0
... polystyrene (EPS). One previous name of this process was EPS casting. The EPS material is very similar to the material used for foam coffee cups, and plates, etc. The foam pattern embodies the positive shape of the part to be cast ( Fig. 6 ). The foam pattern can be produced by hand crafting or machining...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006458
EISBN: 978-1-62708-190-0
... to applications where PETs require delay lines or phase-matching wedges ( Ref 5 , 28 ). It is quite likely that there are many situations, such as generating guided and surface waves under industrial conditions, where the signal-to-noise ratio that can be achieved in an EMAT-based UNDE system could exceed...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006533
EISBN: 978-1-62708-207-5
... the dimensions are finalized, the next step is the placement of a parting line. Because most sand molds are produced in two or more parts, the parting lines are important to facilitate ease of molding. Any undercuts are accommodated by placement of cores. Types of patterns include loose, match plate, cope...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003433
EISBN: 978-1-62708-195-5
.... The thermomechanical properties of tooling materials have evolved such that they more closely match those of the production part to be fabricated. In addition to improvements in materials properties, today's tooling materials offer lower fabrication and materials costs. The advancements in CADCAM models have also...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005839
EISBN: 978-1-62708-167-2
... checking, silver plating, and electrical parameter measurement. electrical contacts frequency induction coil cooling induction coils induction heat treating magnetic flux concentrators quenching silver plating sintered ferrite spindles FOR INDUCTION MELTING AND MASS HEATING, the early...