Handsaws.

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Presentation transcript:

Handsaws

Determine the Hand Made Furniture

Objectives List the safety measures for using hand saw on a quiz with 100% accuracy. Identify various types of handsaws with on a PowerPoint quiz 100% accuracy. Determine the proper use for the handsaws on a PowerPoint Quiz with 80% accuracy. Demonstrate the proper technique of using handsaws in a lab activity with 100% accuracy.

Reasons to Learn Why is it important to know the different types and uses of handsaws? Why would you ever use a hand saw?

Questions to Answer What are some safety concerns when using handsaws? What are the different types of hand saws? What are the different uses for these saws? What is the proper way to use hand saws?

Types of Saws and Use Crosscut saw Rip saw Used for cutting wood against the grain Rip saw Used for cutting wood parallel to the grain

Safety 1. Wear safety glasses 2. Select proper saw 3. Try to find a saw with comfortable handle 4. Check the material for nails, knots, and other objects 5. ONLY cut wood 6. Hold the material being cut firmly

Parts of Saw Emblem Back Medallion Handle Face (Teeth) Toe Heal

Differences Front face of the teeth on a rip saw are steeper than the crosscut saw Kerf is typically wider on a cross cut saw than that of the rip saw

Definitions Rake is the angle of the front face of the tooth Gullet is the space between the teeth where the dust is carried out Fleam is the sharpened front face of the teeth Kerf is the width of the front (area removed from the wood)

Proper Use 1. Choose the proper saw for the job 2. Properly secure the material being cut with a wood clamp 3. Securely hold the saw by the handle 4. Place freehand beside the cut mark 5. Hold your thumb up upright and press against the blade 6. Start cutting CAREFULLY AND SLOWLY

Proper Use Cont. 7. Get the cut started 8.60 degree angle for ripping, 45 degrees for crosscut 9. Use the length of the saw to cut 10. Apply pressure on the down stroke 11. Use less pressure toward the end of the cut

Summary What are the two types of hand saws? What are the differences in the saws? What are the safety rule for using a hand saw? What are the terms associated with hand saws? What are the procedures for using hand saws?

Quiz Draw a hand saw and label the parts. List the to types of hand saws What is a kerf? What is a Gullet? List the 6 safety rules when using a hand saw.

Parts of Saw