TERMIUM Plus®

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RESERVE EBAVURAGE [1 record]

Record 1 1998-07-15

English

Subject field(s)
  • Plastics Manufacturing
CONT

... flash is a by-product of extrusion blow molding and it must be provided for in the design of the mold cavity tooling. Where the flash will exit from the cavity, clearance or a flash pocket is created. The depth of this flash pocket is critical, particularly with large-diameter, thin-walled parisons. If too deep, the flash will not be adequately cooled and this may cause trimming problems. If too shallow, the flash will hold open the mold, creating a thick pinch-off that may also cause trimming problems. Dividing the cavity from the flash pocket is the pinch-off.

French

Domaine(s)
  • Plasturgie

Spanish

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