Job Description:

• 1) Tends injection-molding machines that form plastic or rubber products, such as typewriter keys, phonograph records, and luggage handles: Dumps plastic powder, preformed plastic pellets, or preformed rubber slugs into hopper of molding machine.

• 2) Starts machine that automatically liquefies pellets, slugs, or powder in heating chamber, injects liquefied material into mold, and ejects molded product.

• 3) Observes gauges to ensure specified molding temperature and pressure are maintained.

• 4) Examines molded product for surface defects, such as dents and cracks.

• 5) May heat plastic material over steamtable or in oven to prepare material for molding.

• 6) May remove product from mold, using handtools.

• 7) May trim flash from product, using shears or knife.

• 8) May place product in cold water or position it on cooling fixture to prevent distortion.