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mold-drying equipment

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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
... process mold-drying equipment casting patterns SLURRY MOLDING encompasses two distinct processes, plaster molding and ceramic molding, each of which is presented in this article. This content was prepared by experts in the field, selected for their many years of practical experience. Both processes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003053
EISBN: 978-1-62708-200-6
... are made by dry consolidation techniques, principally uniaxial pressing. The powders that are used must be agglomerated in order to evenly fill the dies and molds using automated die-loading equipment. Even filling is necessary to obtain predictable compression ratios and fill densities...
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
.... It considers a variety of sand reclamation systems, including wet washing/scrubbing and thermal-calcining/thermal-dry scrubbing combinations. chemically bonded sand molding green sand molding molding equipment flask molds flaskless molds springback expansion defects sand reclamation systems green...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003428
EISBN: 978-1-62708-195-5
... are located, the sill then has an adhesion promoter applied, and it is allowed to dry. Any puddling of the adhesion promoter must be soaked up with a wiper. During this time, the door has mold release applied to the edge and the sealant contact surface and then allowed to dry. Two or three coats of mold...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003414
EISBN: 978-1-62708-195-5
... mechanical properties VACUUM INFUSION is a resin injection technique and is derived from resin transfer molding (RTM). A resin injection technique generally consists of the following production steps: Dry reinforcement is placed in a mold. The mold is closed. Resin flows through the mold...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005255
EISBN: 978-1-62708-187-0
... and cluster formulation pattern removal methods drying wax IN INVESTMENT CASTING, a ceramic slurry is applied around a disposable pattern, usually wax, and allowed to harden to form a disposable casting mold. The term disposable means that the pattern is destroyed during its removal from the mold...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005259
EISBN: 978-1-62708-187-0
.... Fig. 1 Typical installation of a vertical centrifugal casting machine. The equipment is controlled from a remote console (not shown). Fig. 2 Centrifugal casting of a parabolic glassware product Mold Design The practicality of casting a part using the semicentrifugal...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002490
EISBN: 978-1-62708-194-8
... to obtain appropriate plastic rheology. Dry pressed powders must usually be granulated or spray dried to provide free-flowing powders that will readily fill a mold. Spray drying usually provides spherical aggregates of powder particles ideal for flow and die filling. Spray drying also permits...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006519
EISBN: 978-1-62708-207-5
... of the cluster is a critical factor because it affects almost every aspect of the process. Factors to be considered include ease of assembly, number of pieces processed at a time, ratio of metal poured to castings shipped, handling strength, ease of mold forming and drying, wax removal, liquid metal flow...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003035
EISBN: 978-1-62708-200-6
.... A high-tonnage hydraulic press then applies molding pressure. The application of heat and pressure causes the SMC to flow to all areas of the mold. Heat from the mold, normally 149 °C (300 °F), also activates the catalyst in the material, and cure or cross-linking takes place. The part is then removed...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001373
EISBN: 978-1-62708-173-3
..., mold clamps, and thermite crucible in position above the joint gap and the mold opening ( Fig. 2 ) Adjust the preheating equipment to achieve the most uniform heating of the rail ends from one side to the other and from top to bottom Ignite the thermite charge and allow it to tap into the mold...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005244
EISBN: 978-1-62708-187-0
..., a core must be strong enough to retain its shape without deforming. After baking or drying, it must be strong enough to withstand handling and to resist erosion and deformation by metal during the filling of the mold. To make a true form for the casting, it must be stable, with a minimum of contraction...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005251
EISBN: 978-1-62708-187-0
... (as in lost-foam casting) or by the use of an applied force (as in vacuum molding and magnetic molding described here). Unbonded (or no-bond) molding processes involve free-flowing mold particles and do not require binders, mulling equipment, or mold additives. This article describes the no-bond methods...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003231
EISBN: 978-1-62708-199-3
... material; should not be used on soft metals such as aluminum, magnesium, and titanium Dry abrasive grit blasting Removing light and heavy scale, flux, stopoff, rust, casting mold and core material, sprayed coatings, and carbon deposits—in general, any friable deposit. Can be fixed or portable Wet...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001228
EISBN: 978-1-62708-170-2
..., scale, dry solids, mold sand, ceramic shell coatings, or dried paint Roughening surfaces in preparation for bonding, painting, enameling, or other coating substances Removing large burrs or weld spatter Developing a uniform surface finish, even when slightly dissimilar surfaces are present...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005252
EISBN: 978-1-62708-187-0
... for preparation of resin-sand mixture for shell molding, namely, mixing resin and sand according to conventional dry mixing techniques, and coating the sand with resin. Shaping of shell molds and cores from resin sand mixtures is accomplished in machines. The article discusses the major steps in producing a mold...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006074
EISBN: 978-1-62708-175-7
... to 65% of theoretical, a nominal range for uncompacted powder, to 75 to 85% of the 100% theoretical density value of the metal being processed. There are two variations of the CIP process depending on the way the elastomer mold is utilized. In the “dry-bag” process, the elastomer mold is fixed...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005242
EISBN: 978-1-62708-187-0
...” in this article) The aggregate mold-base material and bonding system depends on the type of metal being poured, the type of casting being made, the availability of molding aggregates, the mold- and coremaking equipment owned by the foundry, and the quality requirements of the customer. A thorough...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006297
EISBN: 978-1-62708-179-5
... of liquid metal into a mold that is made of a mixture molded against a permanent pattern. This is the most common method to produce cast iron castings worldwide. Pouring into molds equipped with or without cores made of molding materials is a relatively cheap and fast process. Molding mixtures principally...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
... molding is sometimes used to make large castings, although resin-bonded molds have largely taken over for this process. In dry sand molding, the water is removed from the mold prior to pouring. The bond is created both by using bentonites, and also through the use of other organic binders, such as dextrin...