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CNC Machining of Zinc Die Cast Motor Housing

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Motor Housing

Weighing less than 1 lb., this zinc motor housing casting was designed to be used in an electric motor assembly and sent to us for finish machining. Our experienced staff worked with the client to create a custom fixture to fit multiple parts on our vertical CNC milling machine, which is equipped with an indexer, so that the parts could run in a single setup without stopping for changeovers. By utilizing CNC milling processes of drilling, tapping, and precision boring, we finished the 3.50" x 3.50" x 1.50" part and applied a 63Ra finish. Our manufacturing tolerances were maintained to .005" for flatness and .0005" on bores. CMM inspection of each part ensured that the job was completed to our highest standards. More information about this casting project can be found in the table below, or contact us to learn more.

Project Details of a CNC Machining Service Performed

Product Description

This machined motor housing is used within a(n) motor transmission application

Capabilities Applied/Processes

Production Fixtures
Custom Fixture to Fit Multiple Parts on an Indexer for for single setup machining
CNC Milling

Drilling
Tapping
Precision Boring

Equipment Used to Manufacture Motor Housing

Vertical CNC, equipped with and Indexer

Overall Motor Housing Dimensions

Length: 3.50"
Width: 3.50"

Height: 1.50"

Tightest Tolerances

Flatness .005"
True Position of .004"
Total Runout of .003"

Concentricity of .002"
.0005" Size Tolerance on bores

Material Used

Zinc

Max Material Finish

63Ra

In process testing/inspection performed

CMM Inspection
Various Gages

First Article, PPAP level 3
Certificate of Conformance (COC)

Estimated Part Weight

less than 1lb

Industry for Use

Electric Motor assembly

Volume

35,000 Pieces

Delivery Location

Milwaukee, Wisconsin

Standards Met

Customer supplied print, 2D CAD Drawing

Product Name

Zinc Motor Housing Casting