Casting 2

Question 1

___-___ solves the problem of split pattern misalignment.

Answer 1

Match-Plates

Question 2

Match-plates are aligned using

Answer 2

Locking pins

Question 3

3 methods of removing cores are

Answer 3

Solvent, Thermal debinderizing, Water jet

Question 4

__________ generate indentions for core placement.

Answer 4

Core Prints

Question 5

_________ supports cores for blind passages.

Answer 5

Chaplets

Question 6

The 8 casting defects or flaws of sand casting are

Answer 6

Voids, Inclusions, Surface defects, Wash, Missrun, Cold shut, Mismatch, Hot Tears

Question 7

__________ are gas-filled areas inside the metal parts.

Answer 7

Voids

Question 8

____________ are when sand and slag get mixed with the part.

Answer 8

Inclusions

Question 9

Blow, Scar, Blister and Scab are

Answer 9

Surface Defects

Question 10

______ is a lump of extra metal on the final part

Answer 10

Wash

Question 11

_______ is when the metal cools to fast and insufficiently fill the mold

Answer 11

Misrun

Question 12

_______ is when two flows do not fully fuse and create a flaw.

Answer 12

Cold Shut

Question 13

NDT(non destructive testing) for identifying Cold Shut’s are

Answer 13

Dye Penetrant with fluorescent

Question 14

_______ is a direct result of misalignment

Answer 14

Mismatch

Question 15

Porosity or cracking due to temperature gradients in cooling is called

Answer 15

Hot Tears

Question 16

Cures for Hot Tears are

Answer 16

using Zircon Sand or using a chill or using curved shapes (faucet turrets)