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Author Question: Your mold is filling completely, but you have weld-lines in your part. Give three possible parameter ... (Read 105 times)

abern

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on: Aug 19, 2018
Your mold is filling completely, but you have weld-lines in your part. Give three possible parameter changes to alleviate the problem.
 
  What will be an ideal response?

Question 2

Your part has air bubbles, and excessive flash. What's wrong, and how could you fix it? Give 2 parameter changes.
 
  What will be an ideal response?


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softEldritch

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

Some of the possible answers for this question include: melt temperature too high or too low, mold surface temperature, pressure on melt, choice of the material, mold lubricants, or poor venting of the part.

Answer to Question 2

Possible problems to look at would include: melt temperature, pressure on melt, fill rate, mold construction, machine settings, injection time, gate design, mold surface temperature, and internal moisture.


abern

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Reply 2 on: Aug 19, 2018
YES! Correct, THANKS for helping me on my review

matt95

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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