Torque-Tube Bearing Spacer

This metal-to-plastic conversion of a torque-tube bearing spacer provides significant weight savings to the drivetrain. The injection molded 50% long-glass PPA material eliminates machining on previous cast housings, provides high stiffness and low creep, outstanding impact resistance, high temperature performance, and holds ID and OD tolerances of +/- 50 microns. It also reduces mass 80% and costs 40-60%. Further, the composite spacer improves serviceability/rework and eliminates galling on the torque tube.

OEM/Vehicle General Motors Co. 2015 Buick Envision System Supplier American Axle & Manufacturing, Inc. Material Processor    NN Industrial Molding

Material Supplier DuPont Automotive Resin Zytel® HTN51LG50HSL BK083 PPA Tooling/Equipment Supplier HS Molds Ltd.

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