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6 Month 6 > TPC 325 How To machine Work Held In A Chuck > Flashcards

TPC 325 How To machine Work Held In A Chuck Flashcards

1
Q

The jaws of a 3-jaw universal chuck close and open

At the tail stock
In unison
Only when mounted in a lathe
Separately

A

In unison

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2
Q

The jaws of a 4 – jaw independent chuck

Are designed to grasp large or odd shaped work
Can be reversed
Operate separately
All of the above

A

All of the above

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3
Q

The quickest and most convenient Chuck to set up on a lathe is the

Arbor
Four – jaw independent chuck
Mandrel
Three – jaw, universal chuck

A

Three-jaw universal chuck

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4
Q

The size of a chuck is designed by its

Circumference
Diameter
Radius
Width

A

Diameter

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5
Q

Before mounting a chuck, always place a board across the

Apron
Spindle
Tool post
Ways

A

Ways

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6
Q

When you install a chuck on the spindle, you should never use

A key
A wrench
Power from the lathe
Your hands

A

Power from the lathe

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7
Q

A chuck-mounted workpiece must be centered, with the work axis parallel to the lathes

Centerline
Cross slide
Guide bar
All of the above

A

Centerline

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8
Q

An exact reference for centering oddly shaped work pieces in a chuck is the

Dead center
Guide bar
Live center
Tool post

A

Dead center

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9
Q

The type of work that can be held in a collect chuck is limited to

Large workpieces
Oddly shaped workpieces
Small diameter workpieces
Workpieces with rough outside diameters

A

Small diameter workpieces

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10
Q

A mandrel is mounted in the lathe

Between centers
In a collet
In a four jaw-chuck
In a three jaw-chuck

A

Between centers

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11
Q

Facing a workpiece gives it a square ends and a

Countersink
Reference surface
Rounded edge
All of the above

A

Reference surface

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12
Q

Which angle is the most important on a facing tool?

Back radius
Back rake
Nose radius
Side rake

A

Side rake

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13
Q

When facing, you should set the tool on the workpiece’s

Centerline
Circumference
Horizontal plane
Perpendicular axis

A

Centerline

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14
Q

When facing a large area on a workpiece, use the

Apron handwheel
Automatic feed
Manual feed
Reverse speed

A

Automatic feed

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15
Q

The rough cut is intended to remove material from the workpiece

In small amounts
Quickly
Slowly
Smoothly

A

Quickly

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16
Q

The roughing cut should leave enough material for a

Facing cut
Finishing cut
Grinding operation
Trial rough cut

A

Finishing cut

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17
Q

A rough turning tool does not make a good

Finish cut
Heavy cut
Trial cut
All of the above

A

Finish cut

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18
Q

The proper use of cutting fluids allows you to increase

Cutting speed
Depth of cut
Time savings
All of the above

A

All of the above

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19
Q

The characteristic that makes a finishing tool differ from a roughing tool is it’s

Decreased side rake
Extended shank
Increased back rake
Rounded point

A

Rounded point

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20
Q

A trial finish cut is just like a trial rough cut except that you are looking primarily for

Accidental tapering
Depth of cut
Surface finish quality
Tool chatter

A

Surface finish quality

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21
Q

Boring a hole in a workpiece makes the hole larger and

Faces it
Threads it
Trues it
Turns it

A

Trues it

22
Q

A bored hole and the circular path in which the tool or workpiece is rotating are always

Concentric
Horizontal
Parallel
Vertical

A

Concentric

23
Q

The end clearance on a boring tool bit prevents the

Heel from rubbing
Post from binding
Shank from bending
Workpiece from shifting

A

Heel from rubbing

24
Q

Within practical limits, always use a boring bar with the

Greatest length possible
Largest diameter possible
Longest overhang possible
Smallest radius possible

A

Largest diameter possible

25
Q

The type of corner produced at the end of a bored hole is determined by the

Boring bar diameter
Cutting speed
Cutting tool profile
Lathe design

A

Cutting tool profile

26
Q

When you bore a hole, you should offset the compound rest to an angle of _____ degrees

5
29
30
60

A

60

27
Q

During boring operations, a chip buildup should be cleaned out

After completing the entire boring operation
Before the tool is installed
Only after counter boarding
Only when the lathe is completely stopped

A

Only when the lathe is completely stopped

28
Q

Forming a recess at the top of an existing hole is called

Counterboring
Facing
Knurling
Turning

A

Counterboring

29
Q

The counterbore must be concentric with the

Bore
Cross slide centerline
Tool post
Tool profile

A

Bore

30
Q

Counterboring procedures are the same as those for

Turning
Facing
Boring
Knurling

A

Boring

31
Q

Matching a recess between two sets of internal threads separates the threads and

Helps alignment
prevents chatter
Provides chip clearance
All of the above

A

Provides chip clearance

32
Q

The diameter of a hole to be threaded must equal the threads

Lead radius
Major diameter
Minor diameter
Pitch

A

Minor diameter

33
Q

When threading a bored hole, be sure that you allow for

A 60-degree angle of thread
A counterbore
A taper
Tool clearance

A

Tool Clarence

34
Q

A thread-cutting tool must be ground to the particular

Boring bar form
Lathe design
Recess width
Thread form

A

Thread form

35
Q

For right-hand thread cutting, the compound-rest must be rotated to the left_________ degrees.

5
29
45
60

A

29

36
Q

How many different methods are there of boring a taper on a lathe?

Four
One
Three
Two

A

Two

37
Q

When you use the compound-rest method to bore a taper, you must rotate the compound to an angle equal to

One half the included angle
One third the included angle
The included angle
Twice the included angle

A

One half the included angle

38
Q

When using the compound-rest method for boring a taper, you must set the tool post and tool holder parallel to the

Compound rest centerline
Lathe centerline
Workpiece
All of the above

A

Compound rest centerline

39
Q

Of all the methods available to machine a taper on a lathe, which of the following is the most accurate?

Compound-rest method
Reversed-chuck method
Tailstock-offset method
Taper-attachment method

A

Taper-attachment method

40
Q

The telescopic taper attachment differs from the plain taper attachment in which of the following ways?

A cross-feed screw telescopes internally
It clamps to the tailstock
Its guide bar is stationary
The workpiece must be held between centers

A

A cross-feed screw telescopes internally

41
Q

A faceplate provides a reference surface that is perpendicular to the lathes

Apron
Headstock
Spindle axis
Tool post

A

Spindle axis

42
Q

When turning a faceplate, you should select a_________ tool

Broad – nosed
Rough facing
Rough turning
Threading

A

Broad – nosed

43
Q

Large workpieces that pose mounting problems in a chuck can be mounted on a faceplate with

Clamps
Drivers
Faceplate jaws
V-blocks

A

Faceplate jaws

44
Q

Face plate clamps are inserted into

The cored hole
The faceplate slots
The live center
The workpiece

A

The faceplate slots

45
Q

To prevent a workpiece from shifting backwards on a faceplate, you should use a

Clamps
Counterweight
Driver
Mandrel

A

Driver

46
Q

Workpieces that cannot be held against the vertical surface of a faceplate should be mounted on

A mandrel
An angle plate
The apron
The ways

A

An angle plate

47
Q

You can offset the weight of an angle plate by using a

Chuck
Counterweight
Driver
V -block

A

Counterweight

48
Q

Each half of the clamp on a V-block angle plate has

Set screws
Straps
V-shaped jaws
A keyway

A

V-shaped jaws

49
Q

A specialized mandrel for machining eccentric circular areas has more than one set of

Center holes
Clamps
Counterweights
Drivers

A

Center holes

50
Q

When you bore very large workpieces, such as motor housings, on lathe, you should mount them

In a special chuck
On the carriage
In a collet
On a mandrel

A

On the carriage

6 Month 6 (8 decks)

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