Using the circular saw
Using the Circular Saw:
· Stock, with nails, grit, etc., should not be cut.
Crosscutting or squaring an end:
1. Use either a crosscut or combination blade and adjust the height of the saw blade so that it is about 1/8” above the stock to be cut.
2. Set the miter gauge at right angles with the saw blade. Usually a graduated scale will indicate this agree position or it may be checked with a framing square.
3. Use the saw guard and splitter. The rip fence must be moved clear of the work to prevent binding and “kickbacks.”
4. One edge of the work to be cut must be straight. Keep the straight edge against the face of the miter gauge and move the stock to cutting position. Hold the stock firmly against the face of the miter gauge. Start the machine and allow it to reach full speed. Make a test cut by nicking the stock. Make any necessary minor adjustment of the stock; then holding the stock firmly against the miter gauge with both hands, feed steadily through the saw.
5. Remove the work before returning the guide to the starting position.
Cutting to length with stop block fastened to rip fence:
1. When many pieces of the same length are to be cut, a stop may be used for measuring. Location of the stop is determined by the length and width of work to be cut.
2. For short pieces, fasten a stop block to the rip fence near the front edge of the table with a clamp. The length of the piece to be cut is measured from this block to a tooth on the saw set toward the fence.
3. Secure the rip fence to the table at the correct cutting position
4. With the work to be cut held against the miter gauge, slide the work along the table until the square end strikes the block. Hold the stock firmly in place and feed into saw, thus cutting to length. Repeat this process for all pieces.
Circular saw
Operation of Circular Saw – Table Type
The circular saw is used to cut stock to length and width and cut rabbets, grooves, dadoes, and tenons.
Circular Saw Uses:
1. Dado heads are used to cut tenons, dadoes, grooves and rabbets.
2. Tenoning attachment is used to cut tenons without the use of dado heads.
3. Molding heads are used to cut moldings.
4. Length gauges are attached to the miter gauge and are used when cutting several pieces to the same length.
5. Stop block is attached to the rip fence and is used when several pieces are to be cut the same length.
6. A sanding disk is used to sand convex curves and edges of stock.
Principal Parts and Function of Each:
1. BASE, supports the table
2. TABLE, made of cast iron or pressed steel, supports the miter gauge, rip fence, attachments and stock to be cut
3. MITER GAUGE, made of cast iron or aluminum, used as a guide for crosscutting stock
4. RIP FENCE, made of cast iron or pressed steel, used as a guide for crosscutting stock
5. TILTING WHEEL, made of cast iron, used to tilt the saw blade or tilt the table, depending on the type of saw
6. HAND WHEEL, is turned to regulate height of saw
7. SAW BLADE, cuts the stock. Saw blade should be made of high grade steel
8. ARBOR, a round shaft to which the saw blade is fastened, is made of high grade steel
9. GUARDS, made of plastic, cast iron or aluminum, protect the operator from injury from the saw blade
10. SPLITTER, made of sheet steel, keeps stock from binding against the saw while cut is being made
11. MOTOR, provides the power.
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