Hand Tools - Part A Flashcards by Emma Carlson

Hacksaws are made up of 4 main parts, which are they

Frame,
Blade,
Handle,
Adjustable nut

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Hacksaw frames are available in either _______ and _______ types

Hacksaw frames are available in either solid and adjustable types

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Hacksaw blades are sized by ____, _____ and _______.

Hacksaw blades are sized by length, width and thickness

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Hacksaw blade length is the distance between the ______ of the holes at each end of the blade

Centres

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Standard hacksaw blades are available in two lengths

10 and 12 inches in length, standard 1/2 inch width and 0.025

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Saw blade pitch refers to the number of _________

Saw blade pitch refers to the number of saw blade teeth per inch

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Hacksaw blades are manufactured in pitches of ___, ___, ___ and ___.

14, 18, 24 and 32

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The 14-pitch blade is used for cutting

Soft, thick, heavy cross sections of steel, iron, brass, bronze, copper and aluminum.

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The 18-pitch blade is used for

Alloy steals, iron pipe and light angle iron.

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Most satisfactory blade pitch for general shop use is

18-pitch blade

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The 24-pitch blade is used for cutting material with a small cross-section, which includes

High carbon steel drill rod, medium sheet metal and heavy tubing

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The 32-pitch blade is used for

Thin sheet metal and tubing, stainless steels and tool steels

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Choose a coarse pitch blade for

Soft material

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Choose a fine pitch blade for

Hard materials

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Choose a coarse pitch blade for large heavy sections but take into account the _______ of the material

Hardness

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A coarse pitch blade provides better _____ ______, which prevents chips from clogging the blade

Chip clearance

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How many saw blade teeth must be in contact either the work piece at all times

Atleast 3

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The types of blade sets used for hacksaw are:

The straight set blade, with one tooth set to the right and the next to the left,

The wavy set, with one set of waves to the right and the next to the left

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The term used to identify the width of the cut in the work material is the

Kerf, the measurement between the left teeth to the right teeth, measuring the full cut

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A hole saw set is used to

Core out a hole

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Name the 6 parts of a file

Tang 
Heel
Face 
Length 
Edge
Point

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The tang is the pointed section where the file ______ is fitted

Handle

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The length of a file is measured from the _____ to the _____

Point to the heel, the tang is not included

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What is a safe edge on a file?

When the edge is left smooth, allows you to file a shoulder without damaging a finished surface

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Cuts of a file

Single cut Double cut Rasp Curved

What files are the most common types found in the workplace

Single and double cut files

Single cut files have

One set of teeth running parallel to each other, 45° to 85°

Single cut files produce a ______ finish

Smooth

Double cut files have

Two intersecting rows of teeth which cross the face of the file

The intersecting rows of a double cut file provides

Effortless chip removal and high metal removal rate

Rasp files are generally used for

Large material removal of soft materials (wood, plastic)

Curved tooth files are are used in autonomy trade to remove

Body filler on flat or curved surfaces

Special Curved tooth files can remove metal quickly while producing a

Smooth finish

The coarseness of a file is defined in sequence by the terms:

``` Rough Coarse Bayard Second-cut Smooth Dead smooth ```

There are five main classes of files, which are

``` Mill or saw files Machinist Swiss pattern Rasps Curved tooth ```

This cutting tool has an unbroken continuous tooth form and is made from both carbide and high speed steel

Rotary burrs

Rotary burrs are used for cutting non-ferrous metals such as

Brass Aluminum Bronze

These tools differ from burrs in that the cutting tooth line is broken

Rotary files

Rotary files are useful for cutting what

Tool steels Tough alloy steels Casting Forgings

Cross filling is used when

Large amounts of material have to be removed

Draw filing is used to produce

A good surface finish

The 3 common types of scrapers are

Flat Triangular Bearing

Deburring tools are used to

Debur holes and internal curved surfaces

Types of chisels (4)

Flat or cold chisels Cape chisels Diamond point chisels Round nose chisels

The flat or cold chisels can be used to

Cut the heads of rivets Spilt nuts Cut sheet metal Reduce the size of a flat surface

The cape chisel can be used for

Cutting keyseats in shafts and for chipping narrow grooves and channels is metal

Round nose chisels are used to cut

Oil grooves in journal bearings

The diamond point chisels are used for

Squaring 90° corners of a key seat in a shaft

Snips used primarily for straight cuts are (3)

Tinners (straight pattern) Combination snips Bulldog snips

Snips used primarily for curved cutd are (2)

Compound action snips | Circle snips

The two types of vise used by millwrights are

Bench vises | Pipe vises

The size of a bench vise in designated by the width of

It's jaws

Most common hammer used in machinery construction or maintenance is

The ball-peen hammer

The ____________ hammer has a wedge shape that is parallel to the axis of the hammer shaft

The straight-peen hammer

Cross-peen hammer is similar to the straight-peen hammer with one difference, which is

The position of the wedge, which is perpendicular to the hammer shaft

The _________ is a hammer used where larger forces are required

Sledgehammer

Soft hammers are used where hard steel hammers would damage

A finished surface

A ___________ hammer is a plastic hammer with a head filled with steel or lead shot.

Dead-blow hammer

What punches are used to mark the location of holes to be drilled

Centre punch

What punches are used to mark out permanent layout lines on work pieces

Prick punches

What punch makes marked of a uniform size without the use of a hammer?

Automatic centre punch

What punches have a long shank, which should be slightly undersized from the punchs nominal diameter

A pin punch

What punches are tapered and are used to align holes in two or more pieces of plate or parts that must be joined together

A drift punch

What is a transfer punch used for

To transfer positions of the hole from one piece to another

What is used to mark a work piece permanently

Metal stamps

What types of screw drivers are most commonly used in industry (3)

Phillips Robertson Standard (flat blade)

What wrench fully encloses the nut or bolt head

Box-end wrenches

Box end wrenches come in what point designs

6 and 12 point design

What wrench is open at one end of the wrench and box end at the opposite side, both ends being the same size

Combination wrench

Sockets are made with __ or __ points of contact

6 or 12

This wrench is useful for odd-sized nuts or for holding a bolt head while the nut is torqued with the correct sized wrench

Adjustable wrench

When using an adjustable wrench, position it so the force acts against the

Solid jaws rather than the movable jaw

This wrench is designed to fit into the socket of a set screw or a socket head cap screw

Hexagon socket wrenches (Allen wrenches)

What wrench is a precision tool that is used for tightening fasteners that prevents over or under tightening

Torque wrench

What wrench is designed with serrated adjustable jaws, which makes it possible to grip round pipe and other cylindrical parts

A pipe wrench

What are pinch bars used for

Prying Separating machine components Alignment

What pliers are adjustable over a wider range than slip joint pliers and ensures a good grip even when the force is on only one handle

The tongue and groove pliers

What pliers are used for holding and gripping small parts in situations where it is unsafe or inconvenient to use your hands

Slip joint (combination pliers)

What pliers are made with cutting blades on one side of the jaws and are used mostly for gripping, bending and cutting wire

Lineman pliers

These types of plies are manufactured with a thin nose or jaws

Needle nose pliers

Pliers with adjustable jaws that provide unusually high gripping power are called

Locking pliers (vise grips)

Type of clamp to hold a work piece during layout assembly or disassembly

C-clamps

Heavy duty c-clamps are used to hold steel while

Fitting or welding operations