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6th sixth > 328 > Flashcards

328 Flashcards

1
Q

which of the following can only be cut on 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 band speed

A

change the drive belt direction

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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

tap the workpiece lightly to seat it

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16
Q

for holes over 5in 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. (rec. cutting 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 drills cutting edge chips as you begin your project the most likely cause is a

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 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 worktable

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 5in ling workpiece of cold work tool steel 40sfpm rec.

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

A

3/4

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 shoulders of a cylindrical workpiece

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

turn on the coolant

36
Q

what is the recommended allowance for finishing cuts in general purpose grinding

A

0.00005 to 0.001

37
Q

to achieve a cutting speed of 4500 sfpm with a 9in 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 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 rack angle and a large side rack 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 pre-machined 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

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 sixth (9 decks)

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