1-20 of 521 Search Results for

sheet molding machines

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003035
EISBN: 978-1-62708-200-6
... outlines the design features and the operations of continuous-belt and beltless machine type SMCs. mixing techniques sheet molding machines resin paste sheet molding composite sheet molding compound SMC SHEET MOLDING COMPOUND (SMC) refers to both a material and a process for producing glass...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003018
EISBN: 978-1-62708-200-6
...-fed thermoforming machines process precut plastic panels; continuous-web machines process rolls of plastic. Sheet Transportation Heating Forming Cooling Trimming Molds and dies, or forming tools, may be machined or cast from a variety of materials, including wood, plaster, epoxy...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003370
EISBN: 978-1-62708-195-5
... SMC paste thickening curve Fig. 6 The tortuous path of injection molding compounds Fig. 1 Sheet molding compound processing machine Fig. 7 Injection molding compound screws Abstract Abstract Molding compounds are plastic materials in varying stages of pellets...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003017
EISBN: 978-1-62708-200-6
..., including function and property requirements for resins and additives; size, shape, design, and cost of molded parts; equipment type and size; and the type of mold to be used. Commonly used molds include cast aluminum, fabricated sheet metal, nickel deposit, machined aluminum, silicone, fiberglass...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
.... A rotational molding machine consists of an oven or a heating system, a mold(s) typically made of cast aluminum or sheet steel, and a rotation mechanism. There are two primary rotational systems used. A conventional rotational system has the mold located on the end of one of several arms. Several molds...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002455
EISBN: 978-1-62708-194-8
... in a 30% reduction in the important functional requirement of weight, coupled with a continuous use temperature of 220 °C (428 °F) and good dimensional stability. The use of precision injection molding permitted as-molded tolerances achieved only in metals with multiple machining operations...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003404
EISBN: 978-1-62708-195-5
... Mandrel Cost and Design Considerations Comparison of Nickel and Other Tooling Materials Future Developments Fiberglass/Resin Mandrels Machined Mandrels Coefficients of Thermal Expansion Thermal Cycles for Compression Molding Thermal Cycles for Metal Autoclave Molds...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002481
EISBN: 978-1-62708-194-8
... are low, tooling and machine cost are lower than in injection molding. Casting of polymers refers to filling a mold by gravity, using prepolymers or monomers that react in the mold, as for sheet casting or encapsulation in polymethyl methacrylate or potting in thermosets. Because pressure...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002492
EISBN: 978-1-62708-194-8
... winding Compression-type molding, as in sheet molding, bulk molding, preform molding, and cold molding Resin-injection molding, which is similar to the process used for nonreinforced materials and reinforced thermoplastics Pultrusion, which is a modification of the extrusion process Each...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002449
EISBN: 978-1-62708-194-8
... modifications of a production mold, and the time needed to produce the final tooling design was reduced by 70%. Rapid prototyping techniques in general build parts with an accuracy of approximately ±0.005 in. with closer tolerances possible on small local features. While specific machines may do better...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006494
EISBN: 978-1-62708-207-5
... 160 B T76 … … 8280 O Sheet, plate … B H12 … A Machinability ratings of cast aluminum alloys Table 2B Machinability ratings of cast aluminum alloys Alloy designation (AA) Temper Casting type Hardness, HB (500 kg load, 10 mm ball) Machinability rating 208 F...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002465
EISBN: 978-1-62708-194-8
... As molded and surface coated Hot press/diffusion bond Hot, mold of metal/reinforced fiber Aluminum, titanium, or stainless steel foil or thin sheet Glass, carbon, boron, graphite depending on metal melt temperature Mold temperature pressure/inside sealed vacuum retort Machine and finish...
Book Chapter

By Don Smith
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006553
EISBN: 978-1-62708-290-7
... and material quality controls are being developed that will mainstream VP as a compliant group of processes. As with other AM processes, throughput is lower in VP than in other automated processes, such as computer-aided manufacturing and injection molding. However, some companies are using several machines...
Book Chapter

Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003786
EISBN: 978-1-62708-177-1
.... The coefficients of five common metals are indicated for comparison. Source: Ref 3 Fig. 3 Technique for reducing the tendency for fissures to form along the side faces of sheet specimens cast in epoxy. The specimen is cast in a slot machined in an epoxy preform, together with several dummy specimens...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003397
EISBN: 978-1-62708-195-5
.... The finished LOM mandrel is mounted to the flat building platform in the curved LOM machine. Size limitation is approximately 30 by 30 by 5.5 cm (12 by 12 by 3 in.). Sheets of the desired build material (e.g., composite prepreg) are loaded onto an external, rotatable feed table, picked up with a vacuum chuck...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003008
EISBN: 978-1-62708-200-6
... and copolymers in which the major monomeric constituents belong to two families of ester-acrylates and methacrylates. These are used singly or in combination. Hard, clear acrylic sheet is made from methyl methacrylate, whereas molding and extrusion pellets are made from methyl methacrylate copolymerized...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002491
EISBN: 978-1-62708-194-8
... n y y y y Stamping 20 2.9 30 3370 1.5 16 y n n n n n n y y n Extrusion n/a n/a n/a n/a n/a n/a n/a y n n/a n y n y y y Blow molding 1 0.15 10 1120 2.0 20 n n n y y y y y n n Twin-sheet forming 1 0.15 10 1120 6.0 65 n n n y y...