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Past Projects

Brass Timing Wheels

A brass timing wheel was needed by a defense contractor and they turned to Wisconsin Metal Parts to handle this important die stamping project. These wheels required us to design and build Class A, fully sensored, progressive stamping dies. The stamping process runs at 600 strokes per minute. The timing wheel was about 3/8” (9.52mm) in diameter and made out of thin material. We maintained very tight manufacturing tolerances for true position, total runout, and held a 1.33 Cpk over millions of parts. In-process inspections were performed using our Smart Scope Video Measuring Machine to make sure parts were being made to print. As part of a highly regulated munitions application, final testing of this part was done after the assembly was complete. This required us to lot control all production parts and hold tolerances tighter than the part print called out to insure the final assembly would not fail. Our engineering team worked hard along with our customer to put a solid quality and production process plan in place to run these mission critical parts. We have succeeded where others had failed, and our customer benefits.

*The image included with this project is a stock image meant to illustrate capabilities and is not an exact representation of the project outlined below. Photos have been limited due to privacy requests.

Details And Specifications
Product Description
This brass timing wheel is used within a mechanical fuze application that is very highly regulated. Final testing of this part is done once a complete mechanical fuze assembly is made, making this a key component in the function of that assembly.
Capabilities Applied/Processes
Primary: Progressive Dies, 600 SPM
Secondary: Washing
Equipment Used to Manufacture Part
30 Ton Bruderer
Overall Part Dimensions
Diameter .375”
Tightest Tolerances
True Position of .005"
Total Runout of .0015"
1.33 Cpk
Material Used
Max Material Finish
True position
Total Runout
1.33 Cpk
Estimated Part Weight
Less Than 1lb
Industry for Use
3.2 Million Annually
Delivery Location
Midwest, USA
Standards Met
Customer supplied print
2D CAD Drawing
ANSI Y14.5M 1982
Product Name
Brass Timing Wheel
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