| [pdf] Gate Dimple Design Applications where the use of a gate dimple is unavoidable. Gate Dimple Design Whenever a gate dimple is used the amount of cooling that the gate area receives is compromised. The...
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| Sink Mark - UL IDES A B C D E F G H I J K L M N O P R S T U V W X Y Z Sink Mark - A shallow depression or dimple on the surface of an injection molded part due to collapsing of the surface following...
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| [pdf] Example_203 HVAC Special Features: Selectable Return on Pressure or Position FEATURES Used to form dimples in tubes for the 3" x 24" x 60" bolsters 10" stroke Parker Cylinders Ram speeds: 310...
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| Porous Molds' Big Draw : Plastics Technology here, and provides crisp replication of details like lettering with no telltale vent dimples. (Photo: International Mold Steel) The pores in a Metapor or Espor tool are only 15...
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| What Causes Plastics Parts To Warp? |
| Almost anything you can think of causes warpage in one form or another. This time it’s the omission of a little dimple. |
| Hot Tip Solves Gating Problems |
| Currently we use gates as a means of getting liquid resin from the barrel and screw of the molding press into the mold. Unfortunately, gates interrupt the mold's surface, and that interruption, unavoidably, produces a cosmetic defect on the surface of the part. |
| Sizing For a Heated Sprue |
| A molder was having problems with warpage, sink, and poor cosmetics on his parts. I also saw another problem that just won’t go away: sucker pins directly above the drop locations that restrict flow through this part of the runner system. |
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