324 Flashcards

1
Q

Always check the lathe bed to make sure it is

A

Level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

You should always cut off bar stock for machining

A

Slightly longer than needed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Longer workpieces should be

A

Mounted between centers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

When installing a faceplate,

A

Screw it on by hand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Always select a lathe dog

A

Not larger than necessary to accept the workpiece

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

When facing, use a half center to

A

Allow clearance for the cutting tool

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Be sure the tail of the lathe dog

A

Does not sit on the bottom of the faceplate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Make sure the cutting tool

A

Does not hang out excessively from the tool holder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The cutting speed and feed on a lathe should always be

A

Calculated to obtain the best possible finish
In accordance with published tables from manufacturers
In balance
All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

When moving the cutter into the workpiece during facing,

A

Be careful not to strike dead center

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Always remember that your depth of cut will

A

Reduce the overall diameter by twice the amount of cut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Always use a right-hand tool when

A

Cutting right to left

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Depending on the hand of cut, the cutting tool point should be _____ degrees toward the headstock or tailstock.

A

4 to 5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

In rough turning, the cutter point should positioned _____ the centerline

A

5° above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

With a constant depth of cut,

A

An increase in speed requires a decrease in feed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The most accurate way to test if adjustments are needed is

A

A trial cut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

When reversing work end for end between centers,

A

Protect the machined surface from the lathe dog

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Always take your finishing cut

A

In the same direction as the rough cut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

When aligning the cutting tool for a finishing cut,

A

set the cutting tool above the centerline of the work

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

A trial cut should be about

A

^1/4 in.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

When a shoulder is to be turned close to the end of the workpiece, use a scale and

A

Hermaphrodite caliper to measure location

22
Q

The bent leg of a hermaphrodite caliper is placed against the _____ of the workpiece

A

Faced end

23
Q

In order to lay off shoulder lengths more accurately when making more than one identical, use a

A

Parting tool

24
Q

Filleted shoulders are turned with a _____ cutting tool

A

Round nosed

25
Q

Different size fillets are made by changing

A

The nose radius on the cutting

26
Q

Square corners on a shoulder are needed when

A

Other machine parts will be mounted against them

27
Q

Undercuts always ensure

A

Square corners

28
Q

Knurling operations always

A

Deform the workpiece surface

29
Q

A 21 pitch knurling tool will produce a(n) _____ grade knurl

A

Medium

30
Q

On a finished work surface, filing is usually done to

A

Remove tool marks and other irregularities

31
Q

The split nut assembly is used only when

A

Cutting threads

32
Q

Never engage the split nut assembly

A

When another automatic feed mechanism is in operation

33
Q

The distance from a point on one thread to the same point on the next thread parallel to the screw axis is the

A

Pitch

34
Q

The distance which a point on one thread travels during one revolution of the screw is the

A

Lead

35
Q

When threading long slender workpieces, they should always be

A

Supported with a follower or steady rest

36
Q

American National thread angles are always

A

60°

37
Q

When cutting American National threads, the compound rest should always be set at an angle of

A

29°

38
Q

The part of a lathe which can perform the same functions as a thread stop is the

A

Micrometer collar

39
Q

How many divisions are marked on a thread dial indicator?

A

8

40
Q

In cutting a right hand thread, the cutting tool is always fed

A

From right to left

41
Q

A ^5/_8 in./ft. taper often used for twist drills, reamers, end mills, and lathe centers is the

A

Morse taper

42
Q

A taper whose calculation depends on its assigned number in the form of a numerator over a constant denominator of 8, 10, or 2 is a(n)

A

Jamo Taper

43
Q

The basic formula for calculating a taper is

A

Large diameter - small diameter / Length

44
Q

The taper turning method which requires work to be removed from the lathe for the setup is the _____ method

A

Tailstock setover

45
Q

The amount of inward and outward feed on the lathe’s compound rest when using the taper attachment is controlled by the

A

Guide bar

46
Q

A plain taper attachment requires you to

A

Disconnect the crossfeed screw

47
Q

The key to using the compound rest method for turning a taper is the fact that the compound rest

A

Swivels

48
Q

When using the compound rest method for turning tapers, you will need to work with angular dimensions because

A

The base of the rest is graduated in degrees

49
Q

When making cutting adjustments using the compound rest method, you must back the compound rest all the way out in order to

A

Have full travel

50
Q

Along with using a series of trial cuts, the most accurate way to obtain angular settings for taper turning is the

A

Dial test indicator and vernier bevel protractor method