Piston Factory Tour

3. Material Testing for Development & Quality Control

Shown above are the tensile strength and Rockwell hardness tester. This equipment is used to test the original piston to obtain specifications for engineering. The equipment is also used to perform QC checks of material samples and both prototype and production pistons after the hardening process. As an extra assurance of quality, every shipment (lot) of aluminum alloy is also tested by an independent laboratory.

At left is one of the many computer controlled hardening chambers. Temperature and cooling at a specific rate is controlled by the computer and delivers consistent quality control.

After the engineer's specifications and drawings are completed, a mold is made for each piston. Shown below is an example of the rough cast piston after it is taken from the mold, before the hardening process.

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