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Term 3 > Final > Flashcards

Final Flashcards

1
Q

Sensitive drill press

A

No power feed and good for holes up to half inch diameter

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2
Q

What to do when completed drilling on a sensitive drill press

A

Back off on pressure

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3
Q

Upright drilling machines

A

Good for holes from half inch to 4 in in diameter

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4
Q

Feature upright drilling machine has compared to sensitive drill press

A

Power feed, and you must clamp to the table when using power feed

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5
Q

What should you be aware of when using the cross feed dial in a lathe?

A

Backlash, to avoid issues because of backlash if you overshoot correct your setting turn your dial back one full turn to take out the backlash then approach to the correct setting again

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6
Q

Three ways to cut a taper

A

Using the compound rest, using the tailstock offset method, using the taper attachment

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7
Q

What is the purpose of a steady rest and a follower rest on a lathe

A

The purpose of a steady rest is sport a long piece of work at either end or in the middle you attach it to the way

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8
Q

What is the taper per foot on a mandrel

A

006 - 008 per foot

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9
Q

What are the three methods you can use to hold a three jaw Chuck in lathe

A

Screw on Chuck, taper key check and D1 style cam lock

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10
Q

Hand drills

A

Used in every shop for holes up to half inch diameter

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11
Q

Rule for using a magnetic drill

A

Strap or chain it down

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12
Q

Radial drilling machines

A

Are used to drill holes in very large work pieces that are difficult to position manually under the spindle of a standard drill press

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13
Q

How many ways are there for feed on a radial drill press

A

Two, hand and power feed

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14
Q

How to size a drill press

A

Distance from the center of the spindle to the column, or the largest diameter of the workpiece that can be centered under the spindle axis

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15
Q

Sizing a radial drill press

A

Calm diameter and by the greatest distance the spindle axis to the edge of the column when drilling

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16
Q

Sizing a drill chuck

A

Drill trucks are size according to the largest drill they can hold

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17
Q

How to remove a tool from a drill sleeve/socket

A

A drift

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18
Q

A floating reamer is

A

Self-centering

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19
Q

Difference between a jig and a fixture

A

A jig uses a guide and a fixture holds parts

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20
Q

Two most common drill bits

A

Taper and straight

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21
Q

Straight chancer used on drills up too

A

Half inch in diameter

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22
Q

Taper drills are found on drills larger than

A

Half inch diameter

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23
Q

What should you not use a high Helix drill for

A

Brass, bronze etc

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24
Q

Straight fluted drill

A

Used for brass, bronze and plastic

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25
Q

How large should your pilot hole be

A

Slightly larger than chisel edge

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26
Q

What would happen if your pilot hole was too large

A

You will end up with chatter and an out of round hole

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27
Q

Correct way to put your workpiece in a vise

A

Centerline should be inside device

28
Q

Speed for countersinking or counter boring

A

1/4 of drilling speed

29
Q

Rule of thumb for reaming

A

Half speed twice the feed

30
Q

Where are the margins on a drill bit

A

They go down the body go down the land and flute

31
Q

Brokenness split web on drill bit from what?

A

Too much feed not enough clearance

32
Q

Reason for a Bell mouth hole

A

Cutting lips uneven angle, point angle and even

33
Q

Reason for drill chatter

A

Set up is not rigid enough, pilot holes too large

34
Q

Squeal or jams when drilling

A

Worn margins excessive heat

35
Q

Reason for an oversized hole

A

Cutting lips of unequal length

36
Q

Spiral fluted tap

A

Pulls chips out of the hole

37
Q

Spiral point tap

A

Pushes chips down hole

38
Q

Straight fluted tap

A

Jams chips in hole

39
Q

Fractional drill bits

A

1/16 to 4

Increased by 1/64 increments 1 3/4 then by 1/32

40
Q

Letter size drill bits

A

They go from a to z, a is the smallest z is the largest

0.234 to .413.

41
Q

Number size drill bits

A

Number one through number 97. 1 is largest

42
Q

Metric drill bits

A

Metric drill bits go from .04 mm all the way up to 80 mm in diameter

43
Q

On a lathe what does cutting speed refer to

A

The speed at which point the workpiece moves past the cutting tool

44
Q

What should the speed be set to when parting

A

Half the normal turning speed

45
Q

Ratio on boring bar

A

4:1

46
Q

Reaming holes under half inch

A

1/64 smaller

47
Q

Reaming holes over half inch

A

1/32

48
Q

What can’t you do when cutting a metric thread

A

Disengage the half nut

49
Q

Speed for polishing

A

1,000 or more

50
Q

What kind of RPM would you use for knurling

A

150 or less, never stop rotation midpoint

51
Q

Cutting fluid for cast iron

A

Keep that mother f***** dry

52
Q

Most common cutter

A

Right hand

53
Q

What does the overarm supports on a milling machine

A

The arbor

54
Q

Most common milling machine

A

The ram type

55
Q

Which million machine allows the million had to be swiveled or repositioned over the work piece

A

Ram

56
Q

Name the six tool holders and adapters

A

Morse taper adapter, Jacob’s taper adapter, spring call it, heavy duty call it, R8 adapter, style c arbor, style b and style arbor

57
Q

Purpose of a backlash eliminator on a milling machine

A

Remove clearance between the screw and nuts on the longitude table, allows for climb milling

58
Q

The difference between a mill with a geared head and a meal with a variable speed head is

A

The geared head must be stopped prior to changing rotational speed where variable speed drive requires the spindle turning to change speeds

59
Q

What is the maximum depth the operator can take when using an end Mill

A

Half the diameter of the end mill

60
Q

Difference between a slot drill and an end Mill

A

A slot drill has the capability to plunge cut, where that is not the case for all end mills

61
Q

What is the key to holding work on a million machine table while using straps and clamps

A

Ensure the clamps are parallel to the surface on the table, bolt closer to the work piece than the step blocks

62
Q

Shank type tools

A

And mills, face Mills, radius Mills and drills

63
Q

Purpose of a drawbar

A

The drawbar is used to secure the cutting tool into the spindle bore, million tapers are not self-locking

64
Q

What makes the universal horizontal milling machine different from a plane milling machine

A

The table swivels on a universal, only difference

65
Q

The feed on a million machine is based on what criteria

A

Chip load per tooth, the material of the cutting tool and the type of material being cut

66
Q

What does machine condition refer to while performing lathe, drilling or machining on a mill

A

Rpm, feed and doc in that order

67
Q

Purpose of a fly cutter

A

Single mother f**** cutting tool, often used to face part, Bora part or had a specific profile on a part

Term 3 (5 decks)

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