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Best-In-Class


“Razr” Disc Opener Monarch Industries Ltd.


Winnipeg, Manitoba, Canada


Material: Ductile iron 65-42-12. Process: Green sand. Weight: 95.35 lbs. Dimensions: 34 x 25 x 10 in. Application: Assembly opens the ground for seed to be inserted.


• The metalcaster replaced six weldments of 35 steel pieces with six machined ductile iron castings, each of which provides linkages and pivot points for mating parts. Difficult welding procedures were eliminated as well as external, frame-mounted weight kits. Cast-in features simplified assembly and handling.


• The casting design increased the part’s torsional rigidity significantly through both material placement and wid- ening the cross sections. Converting this part to ductile iron castings also reduced the customer’s fabrication time for welded components.


Shaft, Worm Gear Signicast Investment Castings Hartford, Wisconsin


Material: 8620 steel. Process: Investment casting. Weight: 4.808 lbs. Dimensions: 8.88 x 4.72 x 4.72 in. Application: Adjusts drum vanes on a combine.


• The investment casting provider converted a machined from solid part to a single casting requiring no machining. The customer investigated multipiece weldment before selecting investment casting for consistency and quality.


• The conversion resulted in a 40% cost reduction over the machined from solid part. Lead times were cut from four to two weeks, and the customer’s machining resources became available for other projects.


June 2013 MODERN CASTING | 25


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