Hand Tools - Part A Flashcards
The hacksaw is made up of four main parts, which are the:
- Frame
- Blade
- Handle
- Adjusting Nut
Saw blade pitch refers to the number of saw blade teeth oer inch. Hacksaw blades are manufactured in pitches of:
- ____
- ____
- ____
- ____
- 14
- 18
- 24
- 32
The 14 pitch blade is used for cutting:
Soft, thick, heavy cross sections of steel, iron, brass, bronze, copper, and aluminum.
The 18 pitch blade is used for cutting:
Alloy steels, iron pipe, and light angle iron. This is the most satisfactory blade for GENERAL SHOP USE.
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.
The 32 pitch blade is used for cutting:
This sheet metal and tubing, stainless steels, and tool steels.
The golden rule of using a hacksaw is, _____ saw blade teeth must be in contact with the work at all times at a rate of ____ strokes per minute.
- 3
- 50
The term used to identify the width of cut in the work material is the _____.
Kerf
Name the 5 parts of a file:
- Tang
- Heel
- Face
- Edge
- Point
Files are manufactured in various shapes and sizes and come in four basic styles of cut:
- Single cut
- Double cut
- Curved tooth
- rasp
When large amounts of material need to be removed during filing, use the ________________ method.
Cross Filing
When you need to produce a good surface finish during filing, use the _________ method.
Draw Filing
The two types of vises used by millwrights are:
- Bench Vise
- Pipe Vise
Bench vises come in two common types, they are?
- Solid base
- Swivel base
Name the 5 parts of a hammer:
- Face
- Post
- Peen
- Handle
- Eye
Soft faced hammers can be made of?
- plastic
- lead
- copper
- brass
- rawhide
A dead blow hammer is a plastic hammer with a head filled with steel or lead shot. This type of hammer is often used for setting work in a vise. Because the dead blow hammer does not tend to _________.
Rebound
The point on a center punch has an included angle of _____ degrees
90
Prick punches have an included angle that ranges from ____ to ___ degrees.
30 to 60 degrees
When using an adjustable wrench, position it so the force acts against the _______ jaw.
Solid
Name 3 types of torque wrenches:
- Beam type
- Dial type
- Click type
What type of torque wrench is useful for measuring rotating torques or preloads?
Beam Type
Name two types of hydraulic jacks:
- Porta Power
- Bottle Jack
A jack should not be used to support a ______ for any leng of time. ________ must be used under the _____.
- Load
- Blocking
- Load
The width of the saw blade cut in the workpiece is called:
Kerf
The purpose of draw filing is to:
Produce a smooth and flat surface
The removable serrated jaws on a bench vise are made from?
Hardened Steel
How do you designate the size of a bench vise?
Width of its jaws
A standard screwdriver blade maintains a better grip in the slot if the blade is ground slightly:
- tapered
- concave
- convex
- rounded
- Concave
A screwdriver blade should be ground concave so that the faces are parallel with the sides of the screw slot. A blade ground to a taper has a tendency to slip out of the slot when turned, damaging the edges of the screw slot.
The included angle that should be ground on a the point of a center punch is?
90 degrees
When tightening a bolt with a wrench, never _____ always _____.
- Push
- Pull
Pullers are used to:
Remove bearings, hubs, and sprockets.
When using a puller or press and removing a bearing from a shaft, what should you do?
Inspect and clean the shaft area.
Before working around a load that has been raised with a hydraulic jack:
The load must be blocked.
