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6th 6 Months > 328 > Flashcards

328 Flashcards

1
Q

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

A

Round stock

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2
Q

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

A

Makes no wasted motion

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3
Q

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

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?

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?

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

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

A

Downward

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8
Q

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

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

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 ends before rewelding them?

A

Sand them

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11
Q

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

A

Its 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

A

Clean the chips from the shank and spindle

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13
Q

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

A

Radial drill

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14
Q

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

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 vise jaws, you should

A

Tao the workpiece lightly to seat it

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16
Q

For holes over .5 in. in diameter, you should use either a _____ or a ______

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?

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

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)

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

A

The same as the existing hole

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21
Q

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

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

A

Remove the cutting tool

23
Q

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

A

Set the transmission on the slowest speed

24
Q

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

A

Indicate in the vise or work table .

25
Q

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

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?

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)

A

46.6 stokes 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?

A

^3/4 in.

29
Q

An absolutely essential safety precaution to use with shapers is to

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?

A

Cutting a slot or keyway

31
Q

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

A

The taper on a drive key

32
Q

An essential requirement for beginning a grinding project is to

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

A

High point

34
Q

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

A

Basic flat surfaces

35
Q

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

A

Tum on the coolant

36
Q

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

A

0.0005 to 0.001 in.

37
Q

To achieve a cutting speed of 4500 sfpm with a 9-in. grinding wheel, the wheel must rotate at about

A

1900 rpm

38
Q

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

A

Use pressure from the footstock

39
Q

Which calculation will give you the approximate rotation speed (rpm) for a workpiece on a cylindrical grinder?

A

sfpm x 4 - workpiece diameter

40
Q

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

A

Plunge grinding

41
Q

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

A

Headstock column

42
Q

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

A

Rotary table

43
Q

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

A

Decreases vibration

44
Q

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

A

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

45
Q

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

A

Remains constant

46
Q

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

A

Concentricity

47
Q

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

A

Boring bar

48
Q

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

A

Inside calipers

49
Q

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

A

Multiple-point boring tool

50
Q

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

A

Facing

6th 6 Months (8 decks)

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