Causes And Countermeasures Of Casting And Harvesting Holes

The main causes of alloy solidification shrinkage produces a large amount of oxygen in the air when the casting and alloy is dissolved. Nitrogen, etc., the gas is released when the alloy is solidified.

The solution:

1. Place the golden ball.

2. Bold the diameter of the cast lane or decrease the length of the cast lane.

3. Increase the amount of metal.

4.Using the following method to prevent the chemistry surface from being depressed in the casting lane direction. A. Place the cooling path in the root of the cast lane. B. In order to prevent the molten metal vertical impact cavity, the cast lane should be curved. C. Oblique Place a cast road.