Job Description:

• 1) Operates machine to stretch metal sheet, strip, or rod to specified length or flatness, or correct extrusion twist and contour defects: Adjusts stretcher blocks to size of metal, using wrench.

• 2) Lifts and positions material in stationary vise.

• 3) Measures metal and compares dimensions to those specified to determine stretch required, using micrometer, tape measure, and tolerance tables.

• 4) Moves controls to clamp metal in stretcher jaws and starts machine to stretch material.

• 5) Verifies amount of stretch by visual inspection or meter readings attached to vises.

• 6) Removes metal and places it on level table to test flatness.

• 7) Records crew time and production record.