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Flat Lapping Experts

Copper Disks
Lapping

The Challenge:
A High Volume production project, requiring competitive pricing with very fast turn-around.

Part Specifications

Material Copper
Previous Operation Stamping
Dimensions .700" O.D. x .120 thick with a raised ring, approx. .500" dia x .460" I.D.

Pre-machined Condition

Thickness .120" .003"
Surface Finish As Stamped
Flatness .002"
Parallelism N/A
Presentation This stamped disc with its raised ring requires lapping to assure pressure sealing requirements are met.

Results:

Thickness Minimal stock removal for cleanup
Surface Finish 12Ra
Flatness .000050" (50 Millionths)
Parallelism N/A
Notes Lapping of one side is critical to the function of this fire-safety device.
 

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