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Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006020
EISBN: 978-1-62708-175-7
...Abstract Abstract This article commences with a discussion on the qualitative and quantitative criteria for metal injection molding (MIM), including production quantities, shape complexity, material performance, and cost. It discusses geometric factors, such as surface finish, component size...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006055
EISBN: 978-1-62708-175-7
...Abstract Abstract Metal injection molding (MIM) is a metalworking technology that has its origins as a commercial technology only dating back to the early 1970s. This article explores why the MIM is the preferred solution for many fabricated components. It illustrates the MIM components...
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Published: 30 September 2015
Fig. 17 Tensile strength of different types of metal injection molding (MIM)-based iron- and steel-matrix syntactic foams. Source: Ref 15 More
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Published: 30 September 2015
Fig. 16 Metal injection molding design with external threads. Partial threads that do not 100% encircle the part are used for ease of manufacturing; a flat portion is allowed at the mold parting line for simple tool motion. More
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Published: 30 September 2015
Fig. 2 Metal injection molding 17-4 PH stainless steel optical transceiver housing designed for ultrahigh-speed transceivers in networking and telecommunications equipment. The MIM part also receives electrolytic copper, electroless nickel, and electrolytic gold plating. Courtesy of MPIF More
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Published: 30 September 2015
Fig. 3 Metal injection molding 17-4 PH stainless steel flip slider and hinge barrel (sintered density = 7.6 g/cm 3 , or 0.274 lb/in. 3 ) that make up the dual-hinge opening mechanism in a mobile phone. The innovative design positions the clamshell phone cover to slide down and flip open More
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Published: 30 September 2015
Fig. 4 Metal injection molding net shape 17-4 PH stainless steel articulation gear used in a surgical stapling unit. Metal injection molding resulted in a 70% cost savings over machining the gear from bar stock. Courtesy of MPIF More
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Published: 30 September 2015
Fig. 5 Metal injection molding 17-4 PH stainless steel helical gear and scissor blades (sintered density = 7.5 g/cm 3 , or 0.271 lb/in. 3 ) used in pivotal laparoscopic surgical scissors. Blades are made flat and coined in pairs to provide mating blades with the correct pre-load, relief angle More
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Published: 30 September 2015
Fig. 6 Metal injection molding needle driver jaws and a distal clevis for a minimally invasive endoscopic surgical device for a robotic surgical system used to suture tissue during surgical procedures. Courtesy of MPIF More
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Published: 30 September 2015
Fig. 7 Metal injection molding 17-4 PH stainless steel lower-jaw component (sintered density = 7.7 g/cm 3 , or 0.278 lb/in. 3 ) used in a surgical suturing device. The part enables accurate uniform placement of sutures into a torn rotator cuff, allowing the repair to be completed using a single More
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Published: 30 September 2015
Fig. 8 Metal injection molding 17-4 PH stainless steel hook, bracket, and slide (sintered density = 7.5 g/cm 3 , or 0.271 lb/in. 3 ) used in an orthodontic tooth-positioning system. Courtesy of MPIF More
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Published: 30 September 2015
Fig. 9 Metal injection molding nickel-free stainless steel components (sintered density = 7.6 g/cm 3 , or 0.274 lb/in. 3 ) used to correct a patient's bite. The part comes in three sizes, each with a left- and a right-hand version. Courtesy of MPIF More
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Published: 30 September 2015
Fig. 11 Metal injection molding Fe-2%Ni, electroless nickel-Teflon plated burst disk wedge (sintered density = 7.6 g/cm 3 , or 0.274 lb/in. 3 ) used in an automobile airbag-actuation assembly. (Teflon is a registered trademark of DuPont.) Courtesy of Kinetics More
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Published: 30 September 2015
Fig. 12 Metal injection molding 17-4 PH stainless steel components (sintered density = 7.6 g/cm 3 , or 0.274 lb/in. 3 ) used in a sensor kit that measures the inlet pressure of the air-fuel mixture in each cylinder of a passenger car engine. Courtesy of MPIF More
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Published: 30 September 2015
Fig. 13 Metal injection molding heat treated 4605 alloy steel blade clamp used in a power reciprocating saw. Courtesy of Kinetics More
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Published: 30 September 2015
Fig. 14 Metal injection molding 316L stainless steel pump body and cavity plates. Tooling options enabled the design to maximize the flow area, minimize outlet and inlet flow velocities, and reduce overall pump dimensions. Courtesy of MPIF More
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Published: 30 September 2015
Fig. 16 Metal injection molding upswept grip safety used in a 1911-style pistol. Traditionally produced as an investment casting, the upswept design required extensive secondary machining. Courtesy of MPIF More
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Published: 30 September 2015
Fig. 17 Metal injection molding parts for .22- and .38-caliber revolvers including thumb piece, rear-sight base, rear-sight blade, bolt, hand, barrel, and the frame, which alone weighs 240 g (8.5 oz). Metal injection molding technology replaced investment casting and/or machined forgings More
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Published: 01 January 1997
Fig. 4 Metal injection molding process. Source: Ref 7 More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006021
EISBN: 978-1-62708-175-7
...Abstract Abstract This article discusses the process details of metal powder injection molding of microcomponents and the powder particle characteristics of feedstock and property requirements of binders. It reviews important characteristics to be considered in the processing steps: venting...