Millwright Section 2: Hand Tools A/b Flashcards
Hacksaw is made of for main parts, which are?
Frame, Blade, Handle, Adjusting nut
Adjustable hacksaws can have what sizes of blade?
8 to 12 inch blades
Hacksaw blades are sized by?
Length, width, thickness
The length of a hacksaw blade is the distance between….
The centers of the mounting holes
Saw blade pitch refers to…
The number of teeth per inch
Hacksaw blades can be manufactured in pitches of…
14, 18, 24, 32
The saw blade “set” refers to…
The way the individual teeth or groups of teeth are bent out of line from the blade body
The Kerf of a blade refers to…
The width of a cut the blade will make
Hole saws can vary in size from…
9/16” to 6”
The parts of a file are…
Tang, heel, face, edge, point
The length of a file is measured from…
Point to heel, the tang is not included
When the edge of a file is left smooth it is called…
A safe edge
The four basic cut styles of a file are…
Single, double, rasp, curved
The terms for the coarseness of a file are…
Rough, coarse, bastard, second cut, smooth, and dead smooth
The five main classes of files are…
Mill files, machinist files, Swiss files, rasps, and curved tooth
Mill files are used for…
Sharpening saws, lathe work, and finish filing
Machinist files are used for…
Rapid metal removal
Swiss files are used for…
Fine hand finishing or deburring
When large amounts of material have to be removed while filing, the best technique is…
Cross filing
To produce a good surface finish the best technique is…
Draw filing
Four common types of chisels are…
Cold chisel, cape chisel, diamond point chisel, round nose chisel
The most common hammer used in machinery construction or maintenance is…
Ball peen hammer
The angle ground on a centre punch is…
90 degrees
The angle ground on a prick punch is
30-60 degrees
The features of a pin punch are…
A long straight shank which is slightly smaller then it’s nominal size
Drift punches are used for…
Aligning holes in two separate parts
What is a chisel made from?
High carbon steel
Lapping is used for…
Creating a very flat and smooth mating surface
Which is faster, dry lapping or wet lapping
Wet lapping
A tap is used for…
Cutting threads into a previously drilled hole
A thread die is used to…
Cut external threads on a round part
Hand reamers are used to…
Cut previously drilled holes to a more accurate size
What tool would you use to cut key ways or splines?
Broach
Alkaline can only be used on which metal?
Iron
What is another name for hand pads and rolls?
Scotch brite
The teeth on a broach progressively get bigger by ______ each tooth
0.003”
Hand reamers must be rotated which direction?
Clockwise
