Spin Casting & Orbital Forging

Question 1

____ casting is also known as Spin Casting.

Answer 1

Centrifugal

Question 2

In Spin casting you can make hollow casting without a _______.

Answer 2

Core

Question 3

_______ casting has been used to produce ______ _______ _______ for centuries.

Answer 3

Spin, cast iron pipe

Question 4

Spin casting production consist of what 4 things.

Answer 4

Motor. spinning die, holding furnace, pilot ladle

Question 5

_____ casting produces metal hollow parts without cores.

Answer 5

Slush

Question 6

_____ casting consist of pouring molten metal into a die then smushed with another die.

Answer 6

Squeeze

Question 7

_______ is the process of using a hammer or press to shape hot pliable metal.

Answer 7

Forging

Question 8

Forging is used to

Answer 8

improve metallurgical properties

Question 9

Ore is poured in to mold to produce

Answer 9

Ingot

Question 10

Forging reduces the size of the metals _____ to create a strong _______ ________

Answer 10

Grains, Wrought Structure (Small Grains)

Question 11

______ ___ ______ is large scale version of blacksmith forging

Answer 11

Open Die Forging

Question 12

_____ and ______ are two curved dies used in open die forging.

Answer 12

edging and fullering

Question 13

_____ flow (direction) is crucial to strength.

Answer 13

Grain

Question 14

______ ___ ______ is used to keep the grain direction parallel to the surface of a part.

Answer 14

closed die forging

Question 15

In closed die forging a press machine can be fitted with dies and this becomes _______ ___ ______

Answer 15

impression die forging

Question 16

forging machines come in two forms

Answer 16

presses and hammers

Question 17

closed die forging machind s can be converted to ____ ___ _______ machines by using _____ _____

Answer 17

open die forging, ploain plates

Question 18

The drawback for using hammers in closed die forging is the

Answer 18

part cracking,

Question 19

The drawback for impression die forging excessive material, this is mitigated in the die by using ________ _______ and _______ ______.

Answer 19

Flash Land and Flash Gutter

Question 20

Three defects in forging are caused by

Answer 20

Not enough metal, metal not hot enough, moving too much metal too quickly

Question 21

Cornflakes on putty is a

Answer 21

friable black oxide finish

Question 22

Holes in forging are created using ____ within the die cavity.

Answer 22

pins

Question 23

_______ creates different designs on each side

Answer 23

coining

Question 24

______ creates the same design on both sides

Answer 24

embossing

Question 25

______ creates the head of standard bolts

Answer 25

heading

Question 26

______ creates the head of grade 8 bolts

Answer 26

orbital forging