326

Question 1

A universal horizontal milling machine differs from a plain horizontal milling machine in that it has

Answer 1

A table swivel

Question 2

The spindle of a horizontal milling machine is on the

Answer 2

Column

Question 3

On a horizontal milling machine, the table and saddle are supported by the

Answer 3

Knee

Question 4

A vertical milling attachment is bolted directly to the milling machine’s

Answer 4

Column

Question 5

The purpose of a vertical milling attachment is to enable you to mount cutters

Answer 5

In a vertical position

Question 6

A milling machine’s spindle speed is always expressed in

Answer 6

Rpm

Question 7

Cutter speed is the rate at which a particular tooth

Answer 7

Passes over the workpiece surface

Question 8

In order to compute spindle speed, you must have the

Answer 8

All of the above

Question 9

Round shafts to be milled are usually mounted in a(n)

Answer 9

V block

Question 10

The graduations on the swivel base of a milling machine vise allow you to

Answer 10

Accurately align the workpiece at any angle

Question 11

A slab milling cutter is designed to make ______ cuts

Answer 11

Heavy

Question 12

A right-hand helix means that the

Answer 12

Cuter teeth spiral to the right

Question 13

A left-hand cut means that the

Answer 13

Feed is from left to right

Question 14

A Style B arbor has a

Answer 14

Bearing sleeve

Question 15

A Style B arbor is held in the spindle with a

Answer 15

Drawbar

Question 16

You should never tighten the arbor nut unless the arbor support is in position because

Answer 16

The arbor can be sprung

Question 17

According to the formula rpm = sfpm x 4, what would be Dthe spindle speed in rpm if the cutter speed is 70 sfpm and the cutter diameter is 3 in.?

Answer 17

93.33 rpm

Question 18

Which of the following is NOT a factor in making a rough cut efficiently?

Answer 18

Length of workpiece

Question 19

If you stop the automatic feed before a cut is finished, always

Answer 19

Stop the cutter rotation

Question 20

In order to increase surface quality on a finish slab milling cut, lower the feed rate and

Answer 20

Maintain the spindle speed

Question 21

The first machining step in milling a T-slot is to mill

Answer 21

A slot or groove in the workpiece

Question 22

In a horizontal setup, what kind of cutter is used to mill the vertical slot?

Answer 22

Side mill

Question 23

To align the cutter exactly over the top of the intended slot, you must subtract half the cutter width from the

Answer 23

Distance between the slot’s centerline and the workpiece edge

Question 24

You can fit a T-slot cutter into the horizontal spindle by using a(n)

Answer 24

Adapter

Question 25

When you are completing a T-slot with the T-slot cutter held in the horizontal spindle, you must

Answer 25

Set the workpiece on its side

Question 26

To bevel the edge of a workpiece in a horizontal setup, what kind of cutter is used?

Answer 26

Single-angle mill

Question 27

What kind of cutter is use to mill a slot in a vertical setup?

Answer 27

End mill

Question 28

When milling a T-slot with a vertical setup as compared with a horizontal setup, you should use

Answer 28

the same T-slot cutter

Question 29

To angle mill a workpiece in a vertical setup, what kind of cutter would you use?

Answer 29

End mill

Question 30

The difference between milling a T-slot and milling a dovetail is the difference between the

Answer 30

Cutter shapes

Question 31

In straddle milling, the distance between the cuts is controlled by the

Answer 31

Spacers between the cutters

Question 32

In straddle milling, there must be adequate clearance between the workpiece and the

Answer 32

Spacers

Question 33

The greatest advantage in a straddle milling is that you

Answer 33

Save time

Question 34

In straddle milling, in order to balance the thrust load on the arbor, the half side milling cutters should have

Answer 34

Opposite helixes

Question 35

The cutter used to mill an angled step must be wide enough to

Answer 35

Cut the wide end of the step

Question 36

Which of the following is the most precise method of finding out how wide the end of an angled step measures?

Answer 36

Trigonometry

Question 37

When you select a cutter for an angled step, you should always select the smallest cutter that will cut the wide end of the step because it

Answer 37

Is less expensive

Question 38

When milling a step on a workpiece that is mounted at an angle, you must advance the crossfeed an amount that is _____ the desired width of the step (measured on the workpiece).

Answer 38

Less than

Question 39

What kind of an arbor is used for shell end mill?

Answer 39

Style C

Question 40

Why should a face mill be wider than the area to be cut?

Answer 40

To avoid surface lines

Question 41

If you cut a keyseat for square key using an arbor-mounted side milling cutter, you will produce

Answer 41

Feathered ends on the keyseat

Question 42

Woodruff keyseats and keys are

Answer 42

Standardized

Question 43

The last two digits on a Woodruff number show the cutter diameter in

Answer 43

Eighths of an inch

Question 44

What would you use to make a plunge cut?

Answer 44

Two-fluted end mill

Question 45

A plunge cut allows you to use the cutter in the same way you would use a

Answer 45

Drill bit

Question 46

The best way to mill squares on round work without using a dividing head is to use _____ milling

Answer 46

Straddle

Question 47

To find out the largest square that can be cut from a rounded shaft, multiply the diameter by

Answer 47

0.707

Question 48

If the space between two straddle cutters is slightly too narrow, you can increase it by installing

Answer 48

Shims

Question 49

The procedures for milling a tang are basically the same as the procedures for milling a

Answer 49

Square

Question 50

A single flat surface on a round shaft is usually machined with a

Answer 50

Plain milling cutter