Metal Casting

Question 1

Riser

Answer 1

A thermal mass where excess metal will remain in a liquid state while the part cools. As the cooling part shrinks, the molten metal in the riser will feed or fill in the shrinkage. Can also collected impurities in the molten metal

Question 2

Gate

Answer 2

A transition from the runner to the cavity of the part

Question 3

Draw a diagram of a Metals Casting

Answer 3

With labels

Question 4

Cope

Answer 4

The Upper part of a casting mold

Question 5

Pouring cup

Answer 5

The molten metal is poured in here. It has a funnel shape to ease pouring accuracy problems.

Question 6

Vent

Answer 6

A narrow escape passage for gases that would otherwise be trapped in the mold.

Question 7

Mold Cavity

Answer 7

This is the final shape of the part, the pattern would be found here prior to molten material.

Question 8

Sprue

Answer 8

The sprue carries metal from the pouring cup to the runners.

Question 9

Parting line

Answer 9

A line of separation that allows the mode to be put together
to make a full cavity.

Question 10

Runner

Answer 10

The runners distribute metal to the part

Question 11

Drag

Answer 11

The lower part of a casting mold