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MillWright 1st Yr(2017) > Layouts > Flashcards

Layouts Flashcards

1
Q

what are the 2 types of Surface Plate?

A

Cast Iron and Granite Surface Plate(quartz)

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2
Q

Advantages of Granite Surface Plate?

A 
Doest not Bur,
Non-Magnetic,
Does not affect Temperature Change,
Has Little Stress so it wont Distort,
Does not oxidize or Corrode
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3
Q

What kind of surface plate that has greater wear resistance?

A

Quarts granite surface plate

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4
Q

What kind of surface plate primarily for its heavy load-carrying ability?

A

Non quarts or Black gabbro granite

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5
Q

3 grades of surface plate accuracy?

A

Grade AA-Laboratory Grade
Grade A-Inspection Grade
Grade B-Toolroom Grade

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6
Q

care of surface plate?

A

Do not Hammer/punch the surface.
always covered when not using.
keep it clean after using.
when using it with sharp object put parallels to avoid bur.

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7
Q

3 types of scibers?

A

Pocket sciber,
Double end,
Knife edge Sciber

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8
Q

Scriber that has a removable point and it can be stored in the handle?

A

pocket sciber

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9
Q

scriber that has straight point on one end and a pointed hook on the other end(90*)?

A

Double End Scriber

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10
Q

scriber that used for high degree of accuracy ?

A

Knife Edge Scriber

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11
Q

Where or which part of your High Speed Steel Knife Scriber be sharped???

A

On the angle side

Note: do not try to sharp your scriber on the bottom you may ruined the accuracy of it.

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12
Q

what kind of scribers that can scribe arcs and circles and for transferring measurement?

A

Dividers and Trammels

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13
Q

2 types of Dividers?

A

Firm joint and Spring Joint

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14
Q

What kind of scriber that can scribe arc and circle that beyond the range of dividers?

A

Trammels

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15
Q

what kind of calipers has two different legs? one leg pointed and adjustable in length and the other leg has curved ?

A

Hermaphrodite calipers

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16
Q

what kind of Hemaphrodite caliper that has an adjustable point?

A

Lock Joint with Fine adjustment

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17
Q

All ________ are used either for inspection or for layout. These task might include the inspection of a workpiece to check that two sides are perpendicular.

A

Squares

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18
Q

The ____________ is a basic inspection squares and precision instrument.

A

Solid Squares

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19
Q

How to check the accuracy of Square?

A

Use a master precision square

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20
Q

The ______ can be used to check or lay out angles 90* from edge of the work

A

The Square Head

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21
Q

The _______ can be used in combination with other parts of the set to measure,

A

Steel Rule(blade)

22
Q

The _____ can be used to check or lay out various angles from 0* to 180*.

A

Bevel Protractor

23
Q

A ________ can be used to locate the centre on the end of round(like shaft).

A

Centre Head

24
Q

A lay out took to scribe horizontal lines parallels to its base?

A

Surface Gauge

25
Q

the most common lay out tool used for precision layout ?

A

Vernier Height Gauge

26
Q

most common hammer for layout?

A

Ball-peen Hammer

27
Q

How is the divider size?

A

The length of the legs from the pivot determines the size of the dividers, with range in size from 6 to 12 inches.

28
Q

Surface Gauge, what is the accurate to the smallest increment on a rule?

A

1/64 in or 0.5 mm

29
Q

2 types of punches for lay out ??

A

centre punch and prick punch

30
Q

A centre punch has an included point angle of ________?

A

90*

31
Q

prick punch has included angle that range from ____ to _____?

A

30* to 60*

32
Q

what kind of layout when a work piece has been laid out with only scribe lines?

A

Temporary layout

33
Q

_________ is used prior to machining to make sure the layout will still be visible after machining or handling.

A

Permanent layout

34
Q

what kind of punch marks that has uniform size, without the use of a hammer.

A

Automatic Centre Punch

35
Q

_____ are used to support the work piece for milling, grinding , drilling, and. many other operation, include layout.

A

Parallels

36
Q

The ______ is made from two angular sliding planes that can be locked in position by set screws.

A

Adjustable Parallels

37
Q

A _____ are mainly used to support round work for layout, inspection, and light duty machining operation.

A

V-Blocks

38
Q

A _______ is a precision-ground rectangular steel bar that is supplied with the either a straight or bevelled edge design.

A

Straightedge

39
Q

A _____ are used to check a surface for flatness and to guide the scriber when drawing long straight lines in layout procedures.

A

Straightedge

40
Q

A ______ is a good precision or gauge made from wood, metal, plastic, or cardboard that acts as a guide to positioning , lay out , cut or drill the required d shape.

A

Templates

41
Q

_______ can be developed to make turns in pipe, or connect pipes to from a Y to T joint.

A

Pipe template

42
Q

The _______ is the most common tool used for precision layout.

A

Vernier Height Gauge

43
Q

most common type of layout coating and can be applied to the metal surface by brush, spray, cloth or dauber.

A

Layout Dye(Bluing)

44
Q

what are the 4 Types of layout coating ?

A
  • Copper Sulphate
  • Vermilion Powder and Shellac
  • Chalk
  • Lime and Alcohol
45
Q

what kind of Layout die(bluing) that can only be applied on ferrous metal?

A

Copper Sulphate

46
Q

Layout die(Bluing) that can be applied on metal such as aluminum and copper?

A

Vermilion Powder and Shellac

47
Q

Layout that can be applied on hot-rolled steel?

A

Chalk

48
Q

The ____________, also known as a parallel clamp, is used for light clamping operation.

A

Toolmaker’s Parallel Clamp

49
Q

when angles are laid out with bevel protractor, the accuracy attainable is?

A

+ or - 0.5* (30 in)

50
Q

before using vernier height gauge it is important to ?

A

zero the vernier to the reference surface(surface plate/table)

51
Q

precision layout with a vernier height gauge is accurate to ?

A

0.001 inch and 0.2 mm

MillWright 1st Yr(2017) (5 decks)

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