Question

What are the casting defects attributed to improper gating system?

Answer 1

Hey

Explanation:

These defects can be caused by cold dies, low metal temperature, dirty metal, lack of venting, or too much lubricant.

• Other possible defects are gas porosity, shrinkage porosity, hot tears, and flow marks.

Flow marks are marks left on the surface of the casting due to poor gating, sharp corners, or excessive lubricant.

Answer 2

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These defects can be caused by cold dies, low metal temperature, dirty metal, lack of venting, or too much lubricant. Other possible defects are gas porosity, shrinkage porosity, hot tears, and flow marks. Flow marks are marks left on the surface of the casting due to poor gating, sharp corners, or excessive lubricant.

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