Bench Machines (110101g) Flashcards
What are 2 types of turning machines?
Throatless
Deep Throat
What machine is used to turn up a 3/16 flange on a cheek for a Rectangular elbow?
An easy edger
What machine is used to form a narrow edge on a round disc?
A burring machine
Rotary machines fitted with rolls are called what?
Turning machines
How do you tell the size of a bench vise?
The width of the jaws
What part of the barfolder do you adjust to change the radius of the bend?
Wing
What does an offset lap roller do?
The rolls offset the seam slightly so that the piece that is being spot welded fits inside nicely
Why should you perform a dry run with a turret punch?
To make sure the same size punch and die are selected and aligned
How thick of metal can a throatless ( Beverly shear) cut?
Up to 3/16
What should never be parted in a rod parter?
Tubing or pipe use only for solid wire or threaded rod
What machine folds uniform drive cleats?
A smith’s cleat bender
On a slip roll forming machine which roll is used to form the metal to desired curvature?
The rear roll
What is a cheek bender for?
Bending uniform flanges on straight edges which are within a 90 degree angle of each other
What is a blowhorn stake for?
To form conical projects such as funnels
What is the most commonly used stake in sheet metal shops?
A hollow mandrel stake
What is a hand dolly used for?
Used with a bumping hammer to remove dents from metal
What is the most common stake holder?
A bench plate
What are 2 factors that determine the capacity of the slip roll machine?
Length of the rolls
Diameter of the rolls
What part of a barfolder do you adjust to change the radius of a bend?
Wing
What gives the throatless bench shears the ability to cut metal up to 3/16” thick?
Compound leverage system
What is used on a bench vise to protect from scratches?
Vise liners
What is used to close and finish the turned edge of a job that has a wired edge?
The wiring machine
What is crimping?
To reduce the diameter of one end of pipe so another can attach to it
A throatless bench shear that comes with a curved blade is also known as?
A Beverly shear
What does a bar folder do?
Bar folders are used to fold edges, seams and hems on metal up to 1 1/4 wide and 22 gauge
