Sponsored By

October 24, 2002

2 Min Read

This sampling of the wide variety of parts that are now being injection molded out of metals or ceramics shows process capability as well as end markets for future growth.

IMMC_Apps_Motorola.jpgDurability and design are important factors in mobile phone manufacturing, and Motorola Inc. (Libertyville, IL) used MIM to economically manufacture complex flip-phone hinges. The four-part hinge barrel, knuckles, and cam made by Parmatech Corp. (Petaluma, CA) took this year’s Metal Powder Industries Federation MIM design grand prize. The hinge barrel is made from 316-L stainless steel powder with a minimum tensile strength of 65,000 psi and a minimum yield strength of 20,000 psi. The material used for the cam and knuckles is 17-4 PH stainless steel powder, which offers a minimum tensile strength of 115,000 psi, and a minimum yield strength of 94,000 psi. A nickel-teflon plating used on the cam and hinge barrel are said to help lubricate the part and increase durability. Photo: MPIF

IMMC_Apps_AMT.jpgThe 2002 MPIF award of distinction in the MIM category was presented to Advanced Materials Technologies (Singapore) for its intricate optical transceiver housing. The MIM part replaced a zinc diecast part that showed poor performance at elevated temperatures. The housing is made from 17-4 PH stainless steel sintered to a density of 7.6 g/cu cm. The part is plated with electrolytic copper, electroless nickel, and electrolytic gold. When comparing the cost of MIM with machining, savings are reported to be near 80 percent. Photo: MPIF

IMMC_Apps_Thixomat.jpgTXM allowed for the compact, lightweight design of this digital light projector’s magnesium alloy housing. It’s produced by Thixomat Inc. (Ann Arbor, MI) and measures 87/8 by 61/2 by 15/8 inches. Weighing only 2.9 lb, it’s produced to extremely tight tolerances with minimum shrinkage. The process reportedly has excellent repeatability.
Photo: Thixomat Inc.

Sign up for the PlasticsToday NewsFeed newsletter.

You May Also Like