MPIF award winning Powder Metallurgy parts showcase a growing industry

June 15, 2016

Winning parts in the Metal Powder Industry Federation (MPIF) 2016 Powder Metallurgy Design Excellence Awards competition were announced at POWDERMET2016, Boston, USA, June 5-8.

These award winning parts, stated the MPIF, focus on PM’s strong points to gain and extend their competitive advantage, push production capabilities and process tolerances to their very limits and bring originality to the conception of what is possible through creative design.

As can be seen in this year’s awards, conventional press and sinter PM technology is continuing to find new applications in many sectors, whilst also replacing traditional manufacturing processes thanks to the design, performance and economic advantages. The continuing growth in the Metal Injection Moulding (MIM) industry is also evident, reflected in the large number of prizes presented to this sector in this year’s awards.

< See previous award winners

 

Grand Prize Awards

 

MPIF award winning Powder Metallurgy parts showcase

Automotive-Transmission: GKN Sinter Metals

The Grand Prize in the Automotive-Transmission category was awarded to GKN Sinter Metals, Auburn Hills, Michigan, USA, for a forged PM electronic locking differential gear set made for Ford Motor Company. Comprising five components, namely a side gear, two pinion gears, a locking side gear and a locking plate, the gear set is used in the rear axle differential of the Ford F-150 light truck, the first time forged PM differential gears have been used in such an application.

The higher performance delivered by the forged PM differential gears compared to that of competing metal-forming processes will help usher in downsized gear systems, satisfying a critical need in future automotive design.

 

AUC2-16_1Automotive –Chassis: Keystone Powdered Metal Co

The Grand Prize in the Automotive-Chassis Category was presented to Keystone Powdered Metal Co., St. Marys, Pennsylvania, USA, for a total of seven components used in the steering column of the Chevrolet Colorado and GMC Canyon trucks.

The rake cam, left-hand inner cam, retainer guide, right-hand rake teeth energy-absorbing eccentric strap cam, column mounting insert teeth and left-hand rake teeth are made for Nexteer Automotive. The heat-treated diffusion-alloyed steel components are key elements of the steering column’s tilt and telescope adjustment feature, serving a vital role in maintaining the column’s position during a crash event. The rake cam has features that allow for a mechanical lock of the plastic lever, which is overmolded in an operation performed by Agapé Plastics, Inc.

 

AM1-16Aerospace/Military: Advanced Forming Technology

The Grand Prize in the Aerospace/Military Category was won by Advanced Forming Technology, an ARC Group Worldwide Company, Longmont, Colorado, USA, for a Metal Injection Moulded front sight base used on the AR-15 rifle.

The MIM-4605 low-alloy steel part is much larger than the typical MIM part and has a complex geometry. The switch from a part machined from bar stock to the MIM part yielded savings of more than 30%.

 

MD5-16Medical/Dental: Parmatech Corporation

The Grand Prize in the Medical/Dental Category was won by Parmatech Corporation, Petaluma, California, USA, for four stainless steel MIM components used in an articulating endoscopic surgical device designed specifically for thoracic surgery.

The parts, an articulation lock bar, articulation connector, articulation drive block and knife guide, feature complex geometry that would be extremely difficult to machine. The MIM process saves an estimated 70% over a traditional machining method. The ability of the MIM process to produce parts of different alloys with tight tolerances enabled the design of a smaller endoscopic device, a critical benefit in thoracic surgery.

 

Awards of Distinction

 

AUE1-16Automotive-Engine: Cloyes Gear & Products Inc

The Award of Distinction in the Automotive-Engine Category was presented to Cloyes Gear & Products, Inc., Division of HHI/MPG, Subiaco, Arkansas, USA, for three steel sprockets made for Iwis Engine Systems LP. The components, a rubberized crankshaft sprocket and two rubberized oil pump sprockets, are used in a General Motors Generation II High-Feature V-6 Engine, currently installed in the Cadillac CT6 and ATS, GMC Acadia and Chevrolet Camaro.

The patented rubber design used on the crankshaft sprocket provides improved noise, vibration, and harshness characteristics that exceed the engine manufacturer’s demands. Fabrication via PM provides an estimated 30% saving over parts machined from steel bar or forgings.

 

AUC1-16_1Automotive-Chassis: Capstan

An Award of Distinction in the Automotive-Chassis Category was given to Capstan, Wrentham, Massachusetts, USA, for a drive pulley for an electronic power steering system. The iron-copper part is used in assemblies found in the Ford Focus and Escape vehicle platforms.

This unique six-level component requires tight tool-wear control. Powder Metallurgy was chosen as the fabrication method because it offered far better precision than the die-cast alternative at a competitive price.

 

AUC3-16_2Automotive-Chassis: GKN Sinter Metals

A further Award of Distinction in the Automotive-Chassis Category was won by GKN Sinter Metals, Auburn Hills, Michigan, USA, for a copper-steel driven pulley for an electric power steering system made for Nexteer Automotive.

The pulley is a complex net-shape-compacted part with a unique helical geometry and tight tolerances. Close collaboration with the customer in the design of the part, which includes net-formed lightening holes, yielded savings of more than 10%.

 

LG1-16Lawn & Garden/Off-Highway: Indo-US MIM Tec Pvt. Ltd

The Award of Distinction in the Lawn & Garden/Off-Highway Category was given to Indo-US MIM Tec Pvt. Ltd, Bangalore, India, for a MIM 17-4 PH stainless steel diesel leak-off union made for Lombardini.

The part goes into the fuel injection of a line of Kohler diesel engines that are assembled in JCB midi and mini excavators, compact wheeled loaders, and Teletruk forklifts. A conversion from a previously used plastic part, whose performance suffered in the tough working environment, the MIM part delivered savings of around 10% through improved quality.

 

AM2-16Aerospace/Military: Advanced Forming Technology

The Award of Distinction in the Aerospace/Military Category was presented to Advanced Forming Technology, an ARC Group Worldwide Company, Longmont, Colorado, USA, for an aerospace engine ferrule made for its customer Rolls Royce.  Made of MIM 17-4 PH stainless steel, the part provides a conductive path between the screen and the engine, while offering support to the single cable and preventing the placement of cable loading on the screen.

The complex component is sintered exactly to net shape, with no secondary operations needed to meet required dimensional specifications. Cost savings were the primary driver for the switch to a MIM part from one machined from bar stock.

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As well as an extensive Powder Metallurgy industry news section, this 96-page issue includes the following exclusive articles and reports:

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Powder Metallurgy:The original net-shape production process

Powder Metallurgy components are relied upon by a wide variety of manufacturing industries, from automotive to power tools, household appliances, chemical engineering, filtration and more.

The main reason for the technology’s success is its cost-effectiveness at producing high volumes of net-shape components, combined with its ability to allow the manufacture of products that, because of the production processes, simply cannot be manufactured by other methods.

To discover more about how the technology has revolutionised component production, browse our Introduction to Powder Metallurgy.

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