·
Sets up operates
injection-molding machines to cast products from thermoplastic materials
·
Install dies on machine,
according to work order specifications, using clamps, bolts and hand tools
·
Sets machine controls,
regulating molding temperature, volume of plastic, molding pressure & time,
according to knowledge of plastics molding procedures
·
Dump premixed plastic powders
or pellets into hopper, and starts machine
·
Pull lever to close dies
inject plastic into dies to cast part
·
Remove finished product from
dies, using hand tools
·
Trim excess material from
part, using knife
·
May mix thermoplastic
materials coloring pigments in mixing machine, according to formula
·
May grind scrap plastic into
powder for reuse