Final

Question 1

_____ forming includes a large group of manufacturing processes in which plastic deformation is sed to change the shape of metal work pieces

Answer 1

Metal

Question 2

_____ _____ processes are generally characterized by significant deformations and massive shape changes, and the surface area-to-volume of the work is relatively small.

Answer 2

Bulk deformation

Question 3

Starting work shapes include cylindrical _____ and rectangular _____

Answer 3

billets, bars

Question 4

Basic bulk deformation processes:

Answer 4

rolling, forging, extrusion, drawing

Question 5

Basic sheet metal working operations:

Answer 5

bending, drawing, shearing

Question 6

Three temperature ranges in metal forming are:

Answer 6

cold, warm, hot

Question 7

Which temperature range requires the higher forces and power in the forming operation

Answer 7

cold

Question 8

Which temperature range has the capability to produce substantial plastic deformation of the metal more than the other two

Answer 8

Hot

Question 9

_____ in metal forming arises because of the close contact between the tool and work surfaces and the high pressures that drive the surfaces together in these opperations

Answer 9

Friction

Question 10

Metalworking _____ are applied to the tool-work interface in many forming operations to reduce the harmful effects of friction

Answer 10

lubricants

Question 11

T or F: The following products can be made through the hot rolling process: profiles for selection beams, columns for construction, and plates

Answer 11

True

Question 12

T or F: Tin for cans can be made through the cold rolling deformation process as stated in the video

Answer 12

True

Question 13

What is the name of the primary type of hot extrusion?

Answer 13

Direct or Forward

Question 14

The force for extruding is applied by _____ along with an intermediate reusable _____ _____

Answer 14

ram, dummy block

Question 15

Friction portion of the force between the Billet length and the container can be reduced by using what?

Answer 15

Lubricant

Question 16

_____ is a deformation process in which the thickness of the work is reduced by compressive forces exerted by two opposing rolls

Answer 16

Rolling

Question 17

Today, _____ is an important industrial process used to make a variety of high-strength components for automotive, aerospace, and other applications

Answer 17

forging

Question 18

There are three types of forging operations:

Answer 18

open-die, impression-die, flashless

Question 19

_____ is a forging operation performed to reduce the cross section and redistribute the metal in a work part in preparation for subsequent shape forging

Answer 19

Fullering

Question 20

_____ is a special application of closed-die forging in which fine details in the die are impressed into the top and bottom surfaces of the work part

Answer 20

Coining

Question 21

_____ is a compression process in which the work material is forced to flow through a die opening to produce a part with a cross-sectional shape that is the same as the shape d the die opening

Answer 21

Extrusion

Question 22

In the context of bulk deformation, _____ is an operation in which the cross section of a bar, rod, or wire is reduced by pulling it through a die opening

Answer 22

drawing