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machine line molder

A professional who operates molding machine to form sand molds used in production of metal castings. Respnsibilities include:

  • Assembles flask, pattern, and follow board on molding table of machine.
  • Sifts sand over pattern, using riddle, and fills flask with sand by opening hopper or using shovel.
  • Packs sand around pattern contours, using ramming tool or pneumatic hammer.
  • Starts machine that compacts sand in flask to form mold.
  • Cuts pouring spout and vents in mold, using sprue cutter and wire.
  • Lifts cope half of flask off drag half and removes pattern.
  • Cleans cavity of mold, using airhose.
  • Positions cores in drag, and assembles cope and drag.
  • May set cores in mold cavity.
  • May install pattern on bed of machine, and adjust pressure of ram.
  • May be designated by machine operated as Machine Molder, Roll-Over; Machine Molder, Squeeze; or product molded as Molder, Fitting.
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