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6 Month 6 > TPC 328 Shop Practices > Flashcards

TPC 328 Shop Practices Flashcards

1
Q

Which of the following can only be cut on a power hacksaw or horizontal bandsaw?

Angle irons
Profiles
Round stock
Wheel–puller bodies

A

Round stock

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2
Q

The major advantage of a bandsaw over a hacksaw is that the band saw

Does not require the use of cutting fluid
Has a programmed drive control
Is more portable
Makes no wasted motion

A

Makes no wasted motion

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3
Q

When you install the band in a horizontal bandsaw, the teeth must point

Downward and to the right
Downward and to the left
Upward into the left
Upward and to the right

A

Downward and to the right

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4
Q

When you set up a light–duty horizontal bandsaw, how will you set the bandspeed?

Change the drive belt position
Flip the selector switch on the motor housing
Push the speed set button
Turn the belt–tensioning knob

A

Change the drive belt position

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5
Q

When preparing to make a cut with a horizontal bandsaw, which of the following is the final step you will take?

Adjust the cutting fluid flow
Move the head control lever to RELEASE
Reposition the work piece
Turn the band song

A

Move the head control lever to RELEASE

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6
Q

If the vertical bandsaw you use requires solid, one–piece, guide inserts, you must select a pair of upper and lower inserts to match the

Depth and diameter of the cut
Size of the workpiece
Width and thickness of the band
Width of the feed mechanism

A

Width and thickness of the band

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7
Q

When you set the blade of a vertical bandsaw, make sure the teeth in your right hand point

Downward
To the left
To the right
Upward

A

Downward

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8
Q

When you approach the end of a cut made on the vertical bandsaw, you should

Operate the drive wheel manually
Reduce the feed pressure
Shift into a lower gear
Stop the saw; finish the cut by jogging the START button

A

Reduce the feed pressure

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9
Q

Before you use the vertical bandsaw, an essential safety requirement is to make sure that

All guards are in place
All of your jewelry has been demagnetized
Barriers are set up around
The cutting fluid is flowing

A

All guards are in place

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10
Q

After you cut apart the band of a vertical bandsaw, how should you clean the band and before rewelding them?

Clean them with solvent
Sand them
Wipe them with a light oil
Wipe them with a clean, dry rag

A

Sand them

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11
Q

Which of the following is a major feature of the sensitive drill press?

It can drill almost any size hole
It can handle very large workpieces
It’s feed is directly under operator control
It’s head can reach any part of the table

A

It’s feed is directly under operator control

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12
Q

Before you change from one tapered– shank drill bit to another, make sure to

Clean the chips from the shank and spindle
Lubricate the spindle shank
Remove the old bit with a file
Sand any nicks or burrs off the chuck

A

Clean the chips from the shank and spindle

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13
Q

What type of drilling machine can be used for boring operations?

Gear-head drill press
Radial drill
Sensitive press
Turret–type drill press

A

Radial drill

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14
Q

What is a good rule to follow in planning the order of machining steps?

Never change the setup between drilling and counterboring a hole
Never change the setup between drilling and spotfacing a hole
Plan the order to include as few changes in setup as possible
Use the most powerful machine that will do the work

A

Plan the order to include as few changes in setup as possible

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15
Q

When securing a workpiece on the drill press table, before you tighten the vice jaws, you should

Insert strips of paper between the vice and workpiece
Tap the parallels lightly to align them
Tap the workpiece lightly to seat it
Use shims or soft metal rods to seat the work piece

A

Tap the work piece lightly to seat it

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16
Q

Four holes over 5-in. In diameter, you should use either a______or a______.

Gear-head drill press; radial drill
Radial drill; manual drill
Sensitive press; radial drill
Turret-type drill; sensitive press

A

Gear–head drill press; radial drill

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17
Q

You must drill a .5-in. hole in a workpiece of hard cast iron (recommended cutting speed of 70 SFPM). What is a good, approximate spindle speed?

160 RPM
280 RPM
320 RPM
560 RPM

A

560 RPM

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18
Q

You back a large-diameter drill out of thick stock periodically and clear out chips to avoid

Breaking the drill
Changing lubricant
Excessive RPM of the drive motor
Spontaneous ignition of the chips

A

Breaking the drill

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19
Q

If your drill’s cutting edge chips as you begin your project, the most likely cause is a(n)

Dull drill bit
Excessively high feed rate
Excessively high spindle speed
In adequate number of flutes

A

Excessively high feed rate

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20
Q

When you counterbore a hole, you should use a boring bit with a pilot whose diameter is

1/32 in. Under the existing hole diameter.
10/64 in. Larger than the screw head.
One-half the outside diameter of the bit
The same as the existing hole

A

The same as the existing hole

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21
Q

The most distinctive feature of a typical precision vice for shaping operations is its

Ability to tilt
Automatic feed stop
Built-in T-bolts
Swivel base

A

Ability to tilt

22
Q

Whenever you leave a horizontal shaper, even if the project you are working on is not completed, you must

Clear off the worktable
Lubricate the machine
Remove the cutting tool
Vertically realign the clapper box

A

Remove the cutting tool

23
Q

To help ensure safe operation, which of the following should you do before you operate a shaper?

Idle the clutch a few minutes to warm up the machine
Set the stroke length to the shortest stroke
Set the stroke position as far forward as possible
Set the transmission on the slowest speed

A

Set the transmission on the slowest speed

24
Q

Which of the following must you do before mounting a workpiece in the shaper vice?

Adjust the clapper box
Dial in the cutting speed
Indicate-in the vice or worktable
Mount the roughing cutter and the tool post

A

Indicate-in the vice or worktable

25
Q

When you mount a block-shaped workpiece in a shaper vice, the last step in seating the workplace is to

Indicate-in the vice with a dial indicator
Insert strips of paper on the parallels
Make sure the vice jaws move freely
Tap the work lightly with a soft mallet

A

Tap the work lightly with a soft mallet

26
Q

When preparing to use the shaper, which of the following should you do first?

Adjust the clapper box
Adjust the worktable position
Clamp the table with clamping nuts
Set the length of stroke

A

Set the length of stroke

27
Q

Calculate the stroke-rate setting for a crank-type horizontal shaper, with a 5–in. Long workpiece of cold work tool steel (recommended cutting speed: 40 SFPM)

25.0 strokes per minute
46.6 strokes per minute
78.3 strokes per minute
92.5 strokes per minute

A

46.6 strokes per minute

28
Q

What is the actual total overtravel made by the ram in one complete cycle of its stroke when the machine is set up according to recommended guidelines?

1/2 in.
3/4in.
1 in.
1 1/4 in.

A

3/4 in.

29
Q

An absolutely essential safety precaution to use with shapers is to

Wear crepe-soled shoes
Wear eye protection
Wear gloves
Work in pairs

A

Wear eye protection

30
Q

Which of the following operations is especially well-suited for a horizontal shaper, and is usually not possible to do on any other machine?

Cutting a slot or keyway
Facing a flat surface
Milling a flat surface
Polishing an interior surface

A

Cutting a slot or keyway

31
Q

All of the following can be finished with a surface grinder EXCEPT

A flat surface on a rectangular workpiece
The shoulders on a cylindrical work piece
The taper on a drive key
To surfaces that meet at an angle greater than 90°

A

The shoulders on a cylindrical workpiece

32
Q

An essential requirement for beginning a grinding project is to

Align the table with a dial indicator
Allow enough surplus material for grinding
Ensure an ample flow of clean coolant
Mount a fresh point on the wheel dresser

A

Allow enough surplus material for grinding

33
Q

When you dress and true a grinding wheel, start by lowering the wheel so that the diamond lightly touches its

High point
Left edge
Low point
Right edge

A

High point

34
Q

When grinding a long, rectangular workpiece, your first step is to grind the

Basic flat surfaces
Ends square with the long sides
Included angles
Short sides parallel with each each other

A

Basic flat surfaces

35
Q

When setting up a workpiece on the surface grinder, which of the following procedures should you do LAST?

Lower the wheel for a rough cut
Position the wheel
Start the automatic table feed
Turn on the coolant

A

Turn on the coolant

36
Q

What is the recommended allowance for finishing cuts in general–purpose grinding?

0.0002 to 0.0050 in.
0.0005 to 0.001 in.
0.0008 to 0.0080 in.
0.0010 to 0.0100 in.

A

0.0005 to 0.001in.

37
Q

In order to hold a workpiece securely between centers on a cylindrical grinder, you must

Fasten it with clamping screws
Magnetize the end chucks
Tighten the spindle drawbolt
Use pressure from the footstock

A

Use pressure from the footstock

38
Q

Which calculation will give you the appropriate rotation, speed RPM for a workpiece on a cylindrical grinder?

SFPM x workpiece diameter
SFPM x 2 ÷ workpiece diameter
SFPM x 3 ÷ workpiece diameter
SFPM x 4 ÷ workpiece diameter

A

SFPM x 4 ÷ Workpiece diameter

39
Q

When the wheel is wider than the raised surface to be ground, the procedure to use is

Bumping the shoulder
Directional grinding
Plunge grinding
Traverse grinding

A

Plunge grinding

40
Q

One feature common to all types of horizontal boring mills is the

End support
Headstock column
Saddle on which the table is mounted
Stationary table

A

Headstock column

41
Q

An optional component that enables you to bore from several different directions without changing the setup is the

Continuous-feed head
Line boring bar
Power drawbolt
Rotary table

A

Rotary table

42
Q

An advantage of the stub boring bar over a line boring bar is that it

Allows you to bore large holes
Decreases vibration
Has a longer tool life
Increases the reach

A

Decreases vibration

43
Q

When using a light-weight boring bar, you need a cutter with a

Large back-rake angle and a large side-rake angle
Large back-rake angle and a small side-rake angle
Small back-rake angle and a large side-rake angle
Small back-rake angle, and a small side-rake angle

A

Large back-rake angle and a large side-rake angle

44
Q

When you use a dial indicator to measure alignment on finished surfaces, correct alignment is achieved when the dial reading

Gradually decreases
Gradually increases
Remains constant
Remains within a range of +- 0.010 in.

A

Remains constant

45
Q

When you align a workpiece having a premachine hole, and using a dial indicator mounted in the spindle, what you are really checking for is

Absolute diameter
Concentricity
Depth
Smoothness

A

Concentricity

46
Q

When setting up a line-boring operation, measurements are usually made from the layout lines to the

Adjustable tool side
Boring bar
End support
Headstock

A

Boring bar

47
Q

If you cannot withdraw the boring bar to check the board diameter, you may need to use a(n)

Depth gauge
Inside calipers
Inside micrometer
Transfer template

A

Inside calipers

48
Q

What tool is most practical to use when you must rough bore an especially long work area?

Adjustable head
Facing head
Multiple-point boring tool
Single-point boring tool

A

Multiple-point boring tool

49
Q

Which operation on a boring mill requires the use of a power cross-slide tool head?

Facing
Flycutting
Multiple-point boring
Slotting

A

Facing

50
Q

To achieve a cutting speed of 4500 SFPM with a 9–in. Grinding wheel, the wheel must rotate at about.

160 RPM
405 RPM
500 RPM
1900 RPM

A

1900 RPM

6 Month 6 (8 decks)

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