Mold-Masters Hot Runner - 20.5 Defect Types, Causes and Remedies Index

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20.5 Defect Types, Causes and Remedies Index

Dark Specks ..............................................................................................19-5

Blisters or Bubbles.....................................................................................19-6

Flow Marks ................................................................................................19-7

Burn Marks ................................................................................................19-8

Delaminating..............................................................................................19-9

Dimensional Irregularities ........................................................................19-10

Discolored................................................................................................ 19-11

Flash ........................................................................................................ 19-12

Jetting ......................................................................................................19-13

Pitted Parts ..............................................................................................19-14

Rough Surface.........................................................................................19-15

Parts Sticking to Cavity............................................................................19-16

Parts Sticking to Core .............................................................................. 19-17

Short Parts...............................................................................................19-18

Sinks or Voids ..........................................................................................19-19

Splay........................................................................................................19-20

Streaks ....................................................................................................19-21

Stringing ..................................................................................................19-22

Warped Parts ...........................................................................................19-23

Weld Lines ............................................................................................... 19-24

20-4

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