Bench machines

Question 1

what is come in two catgories, throatless machines and deep with each using interchangeable rolls?

Answer 1

bench rotary machines.

Question 2

what is used for from edge to accept wire for a wired edge?

Answer 2

turning machine

Question 3

what is the burring machine is used for?

Answer 3

to form narrow edge on a round disc.

Question 4

what is used for to close and finshed the turned edge of a job that has a wired edge?

Answer 4

the wiring machine.

Question 5

what is used for the seam and join together the sections of round elbows,gauge is usullay set at 1/8 in?

Answer 5

elbow edging machine.

Question 6

what is esay edger?

Answer 6

is only one way stayl of rolls is turn 3/16’’ flange 90 degree on a piece of metal.

Question 7

what is the beanding machine use for?

Answer 7

as a stop on pipe ,tnaks or other cylinderical projects.

Question 8

what is ogee rolls use for?

Answer 8

in much the same way as the singel bead.

Question 9

what is procedure used to reduce the diameter at one end of a piece of pipe so another piece can be attached to it?

Answer 9

crimping machine.

Question 10

these are some way when operating rotary machines ?

Answer 10

1.do not wear loose clothing.
2.keep fingers away from rolls and pinch points.
3.do not exceed machines reated capacity [ usually 22 ga].
4.make sure the top is frimly locked in place on slip rollers.

Question 11

what is offest lap rolls used for?

Answer 11

to forming a lap for lap and and spot weld seam.

Question 12

what are the main part of the turrent punch?

Answer 12

1.the cast iron frame.
2.hardend steel punches and dies.
3.a top and bottom turret .
4.a saftey lock and an operating hndle.

Question 13

what are some way to operating a roll forming machines?

Answer 13

1.make sure dies are in good condition [ sharp not chipped] for burr free holes.
2.keep fingers away from punch dies.
3.do not ecceed machines capacity.
4.make sure the top roll is firmly locked in place.

Question 14

what is the common size will hand notch uo to?

Answer 14

6’‘by 6’‘by 90 deegre in 16 gauge mild steel.

Question 15

what is consists of bed ,two rotary cutters and a sliding circle arm with clamping discs to hold the metal blank while it is being cut.

Answer 15

the ring and circle shears.

Question 16

what are the two type of throatless bench shears?

Answer 16

1.comes with a curved blade.
2.that came with a straight blade.

Question 17

the throatless bench shear that cames with the curved blade is also known as?

Answer 17

a beverly shear.

Question 18

beverly shear allows to cut up to ?

Answer 18

3/16’’ metal.

Question 19

never attempet to part tubing or pipe as they will be crushed and may jam the work piece in the?

Answer 19

shear head section.

Question 20

what are used to fold edge, seams and hams on metal up to 1 1/4’’ wide with 22 gauge mild steel capacity?

Answer 20

barfolders.

Question 21

what is slip roll forming machines?

Answer 21

is consists of a base, two housing, three rolls and an operating handel.

Question 22

the rear roll of slip roll forming used to?

Answer 22

from the metal to the desired curvature.

Question 23

what is manually operated machien that folds uniform 1/2’’ drive cleat edges on the rectangular ductwork?

Answer 23

the smith’s cleat bender.

Question 24

what is used for bending uniform flanges on straight edges, which are within 90 deegre of each other?

Answer 24

the cheek bender.

Question 25

what is blowhorn stake used for?

Answer 25

to from concical projects such as funnels and also support rivets or seams for completion.

Question 26

what is used for forming conical projects not suitable for the hornblow stake ,as wellas for riveting setting down seams?

Answer 26

the beakhorn stake.

Question 27

what is candele mould stakes [18’’ by 8 1/2’’ long] used for?

Answer 27

rivet finish seams on long , flaring pieces.

Question 28

the conducter stake hsa two rounds horns with different diameters used for ?

Answer 28

for forming ,rivetingand completing groove seams on samll diamete cylindrical objects.

Question 29

the grooves in creasing stake with horn used fro ?

Answer 29

creasing metal and bending wire.

Question 30

the double seaming stake with two rounds horns with irregular shaped ends are used for?

Answer 30

for double seaming small cylinderically shaped projects.

Question 31

the hatchet stake used for?

Answer 31

making sharp bends in pans or other edges by hand.

Question 32

what is hollow mandrel stake?

Answer 32

it is rounded and rectangular shaped and the most stake in sheet metal shop.

Question 33

what is the round and rectangular hollow mandrel use for?

Answer 33

the rounded use for seaming ,riveting and forming round projects.
the rectangular use for riveting ,double seaming and forming squre or rectangularprojects.

Question 34

hand dolly cames diffferent shapes and sizes used for?

Answer 34

riveting, double seaming are commonly used with bumping hammer to remove dents from metal.

Question 35

the most common type of stake holder is ?

Answer 35

the bench plate.

Question 36

the bench plate has ?

Answer 36

tapered holes arreanged so that the stakes can be used different positions.

Question 37

the size of a bench visa is designated by the?

Answer 37

width of its jaws.

Question 38

what are the three materials soft jaws made from?

Answer 38

1.aluminum.
2.wood.
3.copper.