chapter 9 hand tools and measuring devices

What are the types of Center punches?

1. Solid steel punch that needs a hammer 2. Automatic steel punch that has a spring

What is the degree on a center punch?

60 degree angle

Compound action shears are also known as__________?

Aviation snips Dutchman snips

Backsaws are used for?

Cutting precision parts such as those used in making wooden wing ribs.

A Flat wood-boring bit are usually for ____________ and typically used with ____________

Large holes an electric drill motor

What is a Reamer?

Reamers are delicate tools that have hardened and sharpened cutting edges.

When filing with a Round file you should_________?

Rotate it with each stroke

Saws are divided into what 2 categories?

Those designed for cutting wood and those designed for cutting metal

body hammers are used to?

used to remove small dents

2 types of mallets

1. raw hide mallet 2. plastic mallets

flat/cold chisel are used to ....

Used to cut metal or shear it

What is the Wood rasp file used for? and what type of surface does it leave?

Used to remove wood where a saw or a plane is not practical, the surface they leave is quite rough and needs smoothing with a file or sandpaper

when drilling steel either a _____________ or ________ must be used to lubricate the cutting edge.

soluble oil or Lard

what is a common name for interlocking joint pliers?

water pump pliers because usually used to tighten the nut around a water pump shaft

Number drills range in size from _________ inch for the number ______ to ________________ inch for the number ______ drill.

0.0135 inch for 80 0.2280 inch for 1

Fractional drills are available in sets from ________ inch to ______ inch

1/64 to 1/2

The ____________ degree split point drill works very well for drilling out old rivet heads in repair or replacement work

135

What is a ball peen hammer ?

A hammer having one end of the head round and used in working metal.

Ripsaws are filed flat across the front so they act as _________ rather than ________.

Chisels Knives.

Soft material should be drilled at a ____________ rate

Fast

What are the weights of a ball pin hammer?

one ounce to three pounds

single cut file has how many rows of teeth?

one row of teeth

Carbon steel drills tend to__________

overheat

what do pin punches do?

remove rivits

mallets are a

special hand tool

The only drill size available in two sets is the______________ inch drill which Is also the letter _____ and the ______ inch drill

.2500 inch drill letter E 1/4 inch drill

What are the 8 types of files?

1. Mill file 2. Half round file 3. Knife file 4. Wood rasp 5. Hand file 6. Three square file 7. Round file 8. Vixen file

What are some files that can be used to clean out a key way?

1. Three square file 2. Knife file 3. round file

Almost all flush rivets used in aircraft construction have a head Angle of ____________ degrees

100

The most generally used countersink has a __________ degree head with an adjustable stop.

100

The point Is ground with a lip or heel relief angle ranging from about ______ to ______ degrees. However, for very soft materials, this angle is usually increased to about _______ to _______ degrees

12-15 18-20

A common drill used in aircraft sheet metal fabrication and repair is the ________ degree split point. Commonly called aircraft drills, these drills work best on _________________________ material

135 aluminum alloy

Hard material such as stainless steel or heat-treated steel requires a flat angle of about __________ degrees

150

Cutting edges are ground at an angle of ________ degrees from the central axis of the drill, which gives an included angle of _______ degrees

59 118

Drilling soft materials such as Lead, Wood , and very soft aluminum, the angle is steepened to around ________ degrees

90

Letter drill sizes range from letters _____ to _____ starting off at __________ and ending at ______________

A-Z 0.2340 to 0.4130

What are Mill files used for? What cut is it?

Always single file, used primarily to finish work and can be used to Sharpen round blades and mills

What are the three types of wood bits?

Auger bit, the Forstner bit, and the flat wood-boring bit

When using a Fly cutter you should always ________________?

Back the metal being cut with scrap wood.

Aviation snips and Dutchman snips are also known as_____?

Compound action shears.

Wood saws are divided into what 4 categories?

Crosscut saw, Ripsaw, Backsaws, and Keyhole saws

A handsaw used to for cutting across the grain of wood is called a ? And the cut is usually wider than the blade to prevent?

Crosscut saw. Binding

diamond point chisels purpose is to

Cuts metal specifically for V-grooves and sharp corners

The Hole saw or Circular saw is used for_________________?

Cutting large holes in sheet metal.

what type of plier is used to cut safety wire?

Diagonal cutters

What type of drills should not be used around flammable materials?

Electric drill motors. newer battery powered drills

What is the hand file used for?

For smoothing flat surfaces and has at least one smooth, or safe edge

What three types of hole cutters that are used in the aviation industry?

Hole saw, the Fly cutter, and the countersink

What is the Knife file used for?

It is used for filing acute angles

What is the triangular or Three square file used for?

It is usually used for filing sharp corners in grooves or keyways and for filing the teeth of handsaws

when drilling steel either a soluble oil or Lard must be used to ____________ the ________________.

Lubricate the cutting edge

Tinners snips or Tin snips can be used to? And what size to they range in?

Make straight cuts and can even be used to make curved cuts. 7-12 inches.

The Hack saw is used for?

Metal cutting.

What punch would you use to remove a rivet?

Pin punch

What drill is better used when near flammable materials?

Pneumatic drills as they produce little spark

Extremely accurate hole sizes are obtained through?

Reamers

An extremely smooth surface is produced by using a _______ or__________?

Smooth or Dead-smooth single cut and draw filling

Keyhole saws are commonly used to?

Start a hole or cut a circular hole.

Difference between Claw hammer and Ball peen hammer head?

The Ball peen has a flat face and a ball shaped end. The Claw hammer has a more round head better for driving in nails and the claw to take out nails.

What saw is the most widely used metal cutting hand saw?

The Hacksaw

A twist drill is made up of what three parts?

The shank, the body, and the point The Shank is held in a chuck

The Forstner bit is used for? and is apart of the _______ category.

These bits are designed for drilling flat bottomed holes. Wood.

What is the Half round file used for? and what cuts do they come in?

These files come in single or double cut and their shape allows them to be used with several applications.

What is the Rat tail or Round file used for? And what cuts do they come in?

They come in single and double cut variations, and are typically used for filing small round holes and for cutting a radius in a groove or a keyway

What are Vixen files used for? And what type of work are they most common in?

They slice off very small amounts of material from the surface over which they are used on. Their most common use is in automotive body repair.

what type of punch lines up holes?

Transfer punch

true or false- Letter drill sizes are bigger than number sizes?

True

when filing, always use_________

a slow, even stroke, and use the entire file

What are duckbill pliers?

a special type of plain used in aviation, used to twisted help remove safety wire

The Fly cutter is an_____________ typically used with a __________?

adjustable hole cutter drill press

what is the purpose of slip joint pliers?

can be used for many things but, their purpose is to hold things

the point of a ___________ is ground to an angle of about ______ degrees to provide an indentation that is approximatley the cutting angle of a drill

center punch, 60 degrees

most coarse cut of a file?

coarse cut

5 cuts of a file

coarse cut, bastard cut, second cut, smooth cut, and dead smooth cut.

cross peen and straight peen hammer are used for?

commercial sheet metal and automotive body work

Interlocking Joint Pliers are also called?

commonly called water pump pliers because they're often used to tighten the packing gland nut around a water pump shaft

Vise Grip Pliers have _____ which makes them strong

compound lever, locking pliers which grip very tightly. knob on end of handle adjusts the grip

Most finest cut of a file?

dead smooth cut

pounding tools are

different types and weights of hammers and mallets, each with a very specific use.

needle nose pliers can be used for

eletrical and electronic work

Some countersinks have a ____________ that covers the end of the stop and prevents it from ________________ the work

fiber collar scratching

What are the five general type of portable drills used in aviation?

hand drill, the breast drill, the electric drill, the pneumatic drill, and the cordless drill.

what do sledge hammers look like? and are sized on what?

have two flat faces and are sized according to weight

chisels are a...

high grade tool carefully heat treated and tempered to utilize it the chisel is struck with a hammer to shear or cut metal

cape chisels purpose is to?

knock of the heads of rivets

red aviation snips cut which way?

left cut

green aviation snips cut in what direction

right cut

Harder material should be drilled at a __________ rate

slow

A counter sink is used to cut away _________ of _______ so the head of the rivet can sit flush with the__________.

small portions metal surface

prick punches are

small, sharped pointed punches used to transfer dimensions and locations onto sheet metal for drilling

yellow aviation snips cut in what direction

straight snip

5 Parts of a file are?

tang, heel,face,edge,and point

Cutting Tools can be any tool that...

that removes or separates material

What is a claw hammer?

traditional hammer you use

double cut file have _________ of teeth

two rows of teeth

When using a Half rounded file you should_________?

use a slicing motion to obtain a smoother cut and to avoid dips and hollows

starting punches are?

used to aid in driving bolts and pins from their holes

shears are used to?

used to cut metal

what are punches for?

used to mark locations, punch bolts, rivets, or pins from their holes. or as a guide for a drill.

transfer punches are?

used to mark rivet holes when using an original template to lay out a new skin pattern