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Author Question: Where is the normal separation point between the material that is removed with each cycle and the ... (Read 14 times)

Tirant22

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on: Aug 19, 2018
Where is the normal separation point between the material that is removed with each cycle and the material that is in the machine and used in the next cycle?
 
  What will be an ideal response?

Question 2

What two measures are used in rating the size of an injection molding machine?
 
  What will be an ideal response?


Hikerman221

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Reply #1 on: Aug 19, 2018
Answer to Question 1

The dividing line is where the heated resin is cooled. When the resin is cold, it will naturally separate from the hot, molten resin at the sprue bushing. The nozzle is heated and so the resin within the nozzle is hot. The mold is cooled and so the material inside the mold, all the way back to the sprue, is cold. The sprue bushing is the normal separation point.

Answer to Question 2

The shot size and the clamping pressure are the important measures of capacity of an injection molding machine. (1) The shot size is the amount of material that can be injected.


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