Lapping of a Valve Plunger for the Vending Machine Industry

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Lapping of a Valve Plunger for the Vending Machine Industry
Lapping of a Valve Plunger for the Vending Machine Industry

A customer in the vending machine industry needed a company with the technical ability and facilities to handle the high volume processing of their brass valve seat plunger as highlighted here. Precise Lapping & Grinding Corp. was chosen to complete the required work, which encompassed the precision lapping of the part. PLG engineered and developed the custom tooling and fixtures required to effectively process the plunger. Utilizing our Speedfam lapping machine, the 1.50" long by 0.50" diameter plunger was lapped, achieving the demanding constraints for flatness to within 0.0001" tolerance levels. Flatness checks were implemented throughout production to ensure accuracy.

Turnaround time for this project was 7 days, and we ship 1,000,000 units annually to the customer in the Mid-West. Initial customer concerns regarding pricing were overcome, with this project, which met their stipulations for cost, quality, volume, and delivery. For more details about the lapping of this brass valve seat plunger, or our other high volume precision capabilities please see the table below or contact us directly.

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Highlights of a Valve Plunger project

Product Description
Valve Seat Plunger
Capabilities Applied/Processes
Equipment Used to Manufacture Part
Speed Fam Lapping Machine
Overall Part Dimensions
Length: 1.50"
Diameter: 0.50"
Tightest Tolerances
One Side Flat to Within 0.0001"
Material Used
In process testing/inspection performed
Flatness Check
Industry for Use
Vending Machine
1,000,000 per Year
Delivery/Turnaround Time
7 days
Delivery Location
Standards Met
Customer Specifications, 2D CAD Drawing
Product Name
Valve Plunger

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