Powder metal gears are found in aerospace, agricultural, automotive, building and construction, marine transportation, material handling, medical, military, petrochemical, pharmaceutical, power generation and robotics industries. The demand for application specific metal gears has led to the introduction of several types or styles such as anti-backlash, bevel, miter, chance, cluster, differential, helical, herringbone, hypoid, internal, planetary, spur and pinion gears. While these mechanisms can be produced in a number of machining processes, powder metal parts provide several advantages over traditional gear manufacturing methods. Read More…
Precision Sintered PartsTulsa, OK | 918-663-7511
Since 1967, PSP has been a leader in small, intricate custom powdered metal parts for a wide range of industries, such as Sports & Recreation, Power Tools, Industrial Equipment, Oil & Gas.$$$
DSB TechnologiesJanesville, WI | 608-755-1900
DSB Technologies offers cutting-edge powder metal application solutions. We pride ourselves on the ability to offer technology that optimizes the powder metal process. Our solutions include metal binder jetting, metal injection molding, sintering expertise, compaction/press technology, and custom blend material development services. We also make sure to offer webinars and design guidelines to...$$$
Compax Inc.Anaheim, CA | 714-630-3670
Compax is an full service sintered powder metal parts producer that has been in business for over 50 years. Compax, Inc. is ISO 9001:2008-certified. We specialize in high quality gears, structural parts, and assemblies. The industries we serve include automotive, medical, aerospace, high security locks, electronics, tech, power tools, pump, and many others.$$$
Liberty Pressed Metals, LLCKersey, PA | 814-885-6277
Liberty Pressed Metals is a designer and producer of Powder Metals (PM) components for use in various industries, such as automotive, lawn and garden, office equipment, power tool, home appliances, and more. Our process boost product strength, precision, and durability. We are ISO 9001: 2015 certified. Our quality management system assures top-quality sourcing of materials, as well as unmatched...$$$
FMS CorporationMinneapolis, MN | 952-888-7976
Family owned and operated since 1946, the FMS Corporation provides exceptional, customized powder metal parts manufacturing services. Our mission at FMS is to provide our clients with unparalleled service. By using our custom prototyping service, we are able to offer you fully integrated solutions for your parts, from concept to reality. At FMS, the focus is on our client.$$$
Powdered Metal Gears Manufacturers List
Most of the benefits arise specifically from the versatility allowed in press-and-sinter processing. The ability to produce multilevel gears, internal configurations and very close tolerance components eliminate or reduce the need for secondary operations, thereby cutting costs and saving time.
The uniformity and reproducibility of these parts gives further economic value to powdered metal gears. Additionally, the porosity of sintered elements such as these allows for oil or resin impregnation which creates self-lubricating components, a feature that prolongs the working life of not only the gear, but the motor of which it is a part. The porosity, which can be closely controlled to suit specific requirements, also dampens sound and reduces the weight of a given part.
There are three basic steps to powder metallurgy, the process used to create powder metal gears. First, any of a number of techniques including atomization, flaking, pulverization, chemical reduction and electrolytic are used to reduce the initial raw metallic materials to a fine dust or powder. Specific amounts of this powder are then placed into the compaction die or mold where pressure is applied from both above and below in precise amounts relevant to the specific materials and intended use of the finished gear. This mold is pre-formed and results in the desired gear shape. After this form is ejected from the die, sintering is used to fuse the powder particles together.
The parts are placed on a moving belt which draws them through a controlled-atmosphere furnace, heating the compressed powder to just below the melting point of the raw materials. This temperature varies greatly, though a general rule is to use a temperature that is 2/3 that of the melting point for the primary metal. In this manner, the mechanical bonds of metal powders are converted into metallurgical bonds creating a solid mass from the powder. Gears can be composed of either a single metal or a composite material.
Common metals include aluminum, brass, bronze, cast iron, carbon or alloy steel, magnesium and titanium. Beyond materials, further considerations include, gear type, number of teeth, design units, tooth form, direction, gear center, pressure angle, gear features and mounting requirements.