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Hammer: Metal Working. Ms. Ritter. Hammers. Have you used a hammer before? What did you use it for ? What did it look like? Shape Size Weight. Objectives. Demonstrate accurate safety techniques in the lab with 100% accuracy.
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Hammer: Metal Working Ms. Ritter
Hammers • Have you used a hammer before? • What did you use it for ? • What did it look like? • Shape • Size • Weight
Objectives • Demonstrate accurate safety techniques in the lab with 100% accuracy. • Identify the parts and different types of hammers with 80% accuracy. • Demonstrate proper use of a hammer in the lab with 100% accuracy.
Reasons to Learn • Why should we know about the different types and uses of hammers? • Why should we know how to pick a good quality hammer? • Why should we know the different parts of a hammer? • Why should we know the correct safety procedures for hammers?
Questions to Answer • How do you pick a good quality hammer? • What are the different types of hammers? • What are the different uses of hammers? • What are the different parts of a hammer?
Safety • WEAR SAFETY GLASSES • Make sure handle of hammer fits tightly on head. • Use the right hammer for the job. • Replace loose or cracked handles. • Discard if the head becomes damaged (cracked, chipped, or mushroomed). • Always strike surface squarely.
Hammer • Driving Tool- tool used to move another tool or object. • Rely on weight and speed (leverage)to provide force (work) to move an object when hit. • A hammer is an extension of your arm.
Hammer Anatomy http://www.props.eric-hart.com/tools/hammer-time/
Types of Hammers (Metal) • Ball Peen Hammer • Straight Peen Hammer • Cross Peen Hammer • Blacksmiths Hammer • Engineer/Hand Drilling Hammer • Body Hammer
Ball/ Straight/Cross Peen Hammer • Focus direction of metal flow. • Each peen has its own affect on movement.
Blacksmiths Hammer • Multiple types of hammers used for the specific use of manipulating metal with heat and force.
Engineer Hammer/ Drilling Hammer • Baby sledge hammer • A tool used for heavy hammering or demolition work.
Body Hammer • Used mostly in auto detailing work with sheet metal. Can be used to get dents out or shape. • Used in conjunction with hand anvil.
Selecting a Quality Hammer • Balance face to face. • Not trying to twist in hand. • Handles • Hickory- strongest wood • Fiberglass- non-slip grip pvc molded • Solid Steel- air cushion grip • Think about tiring and vibrations. • Assembly (head/handle) • Wood wedges • Steel wedges
RESOURCES • Agriculture Mechanics Fundamentals and Application 2nd Ed. Cooper pg. 54 • http://www.props.eric-hart.com/tools/hammer-time/ • http://www.hammernet.com/romance.htm • http://en.wikipedia.org/wiki/Hammer