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Author Question: Describe the defect that will most likely occur if the press used for transfer molding is undersized ... (Read 59 times)

Kikoku

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on: Aug 19, 2018
Describe the defect that will most likely occur if the press used for transfer molding is undersized in clamping pressure.
 
  What will be an ideal response?

Question 2

Why can't the cull, sprue, and runners from a transfer molding operation be reprocessed as regrind like runners in an injection molding operation?
 
  What will be an ideal response?


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javimendoza7

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

The molds will likely be separated by the injection pressure and excess flash will result.

Answer to Question 2

In a transfer molding operation the cull, runners, and sprue are made from thermoset materials that cannot be remelted, which is required for reprocessing as regrind material. In injection molding the runners and sprue are made from thermoplastics that can be remelted and reprocessed as regrind.


Kikoku

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Reply 2 on: Aug 19, 2018
Gracias!

mcarey591

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Reply 3 on: Yesterday
:D TYSM

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