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Author Question: Milk bottles are sometimes annealed after blow molding. Why is this done? What will be an ideal ... (Read 68 times)

cagreen833

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Milk bottles are sometimes annealed after blow molding. Why is this done?
 
  What will be an ideal response?

Question 2

Identify one major advantage or use for the following gate types: submarine, edge, and ring?
 
  What will be an ideal response?



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joshraies

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Answer to Question 1

To normalize the stresses that are induced by the molding process

Answer to Question 2

The submarine gate is used when the part is to be removed automatically from the runner system. The edge is the least expensive gate type. The ring gate is for parts that are cylindrical and it allows flows in the part that are non-turbulent. It may also allow knit lines to be eliminated.





 

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