Bench Machines (110101g)

Question 1

What are 2 types of turning machines?

Answer 1

Throatless
Deep Throat

Question 2

What machine is used to turn up a 3/16 flange on a cheek for a Rectangular elbow?

Answer 2

An easy edger

Question 3

What machine is used to form a narrow edge on a round disc?

Answer 3

A burring machine

Question 4

Rotary machines fitted with rolls are called what?

Answer 4

Turning machines

Question 5

How do you tell the size of a bench vise?

Answer 5

The width of the jaws

Question 6

What part of the barfolder do you adjust to change the radius of the bend?

Answer 6

Wing

Question 7

What does an offset lap roller do?

Answer 7

The rolls offset the seam slightly so that the piece that is being spot welded fits inside nicely

Question 8

Why should you perform a dry run with a turret punch?

Answer 8

To make sure the same size punch and die are selected and aligned

Question 9

How thick of metal can a throatless ( Beverly shear) cut?

Answer 9

Up to 3/16

Question 10

What should never be parted in a rod parter?

Answer 10

Tubing or pipe use only for solid wire or threaded rod

Question 11

What machine folds uniform drive cleats?

Answer 11

A smith’s cleat bender

Question 12

On a slip roll forming machine which roll is used to form the metal to desired curvature?

Answer 12

The rear roll

Question 13

What is a cheek bender for?

Answer 13

Bending uniform flanges on straight edges which are within a 90 degree angle of each other

Question 14

What is a blowhorn stake for?

Answer 14

To form conical projects such as funnels

Question 15

What is the most commonly used stake in sheet metal shops?

Answer 15

A hollow mandrel stake

Question 16

What is a hand dolly used for?

Answer 16

Used with a bumping hammer to remove dents from metal

Question 17

What is the most common stake holder?

Answer 17

A bench plate

Question 18

What are 2 factors that determine the capacity of the slip roll machine?

Answer 18

Length of the rolls
Diameter of the rolls

Question 19

What part of a barfolder do you adjust to change the radius of a bend?

Answer 19

Wing

Question 20

What gives the throatless bench shears the ability to cut metal up to 3/16” thick?

Answer 20

Compound leverage system

Question 21

What is used on a bench vise to protect from scratches?

Answer 21

Vise liners

Question 22

What is used to close and finish the turned edge of a job that has a wired edge?

Answer 22

The wiring machine

Question 23

What is crimping?

Answer 23

To reduce the diameter of one end of pipe so another can attach to it

Question 24

A throatless bench shear that comes with a curved blade is also known as?

Answer 24

A Beverly shear

Question 25

What does a bar folder do?

Answer 25

Bar folders are used to fold edges, seams and hems on metal up to 1 1/4 wide and 22 gauge