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Why might it be necessary to lower the mold temperature

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Reference no: EM13704686

1) Compare injection molding with both die casting and powder metal injection molding. List similarities and differences (other than material class!) of the kinds of parts produced, part features, design recommendations, etc. Please use bullet points.

2) Injection molding: Explain the differences between a basic 2 part and a 3 part mold as pertaining to performance (cycle time, cost etc) (Please do not answer: "a 3 part mold has one more part" and leave it at that.)

3) Compression molding vs. transfer molding

a. Which process will have higher material utilization?

b. What metal processing techniques are most similar to these two plastics manufacturing processes?

4) A thermoset polymer is injection molded into an intricate shape. Some parts fail to fill completely. Depending on the reason this is happening, the mold temperature should be raised or lowered.

a. Why might it be necessary to lower the mold temperature?

b. Why might it be necessary to raise the mold temperature?

c. How could you tell which would be the correct action?

Reference no: EM13704686

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