10 – Saws and Sawing
المناشير و النشر
Workshop Practices Series
by Ian Bradley
The hand saw for wood. Hand saw teeth. Forms of
handsaw. The panel saw. The bow or frame saw. The
tenon saw.The compass saw.The keyhole saw.
Sharpening saws. Topping the teeth. Sharpening the
saw teeth. Setting the saw teeth. Saw sets.
The saw-setting block.
The circular saw. The pendulum saw. The saw bench.
Lathe circular saw attachment. Light saw benches for
amateur use. Sawing attachments for the electric hand
drill. Black and Decker portable saw attachments.
Modifications to the Black and Decker saw bench.
The Wadkin saw bench.Circular saws.
Using woodsaws. The bench hook. Starting the cut with
the tenon saw. Sawing along the grain. The sawing horse.
Correct andincorrect methodof rip-sawing.
APPENDIX Sawing stone.
THE HACKSAW. Hacksaw frames. Blade tensioning
devices. Adjustable hacksaw frames. Specialised saw
frames.Fretsaw andpiercing sawframes.The back saw.
THE HACKSAW BLADE. Types of blade and their selection.
Comparison between inch-fractional and metric blade
dimensions. Tooth pitch and its relation to the sawn
material.The Eclipse JuniorSawblade.
USING THE HAND HACKSAW, Starting the cut.
Marking-off large material.’Bundling’.
CHAPTER 4 BENCH Pratt machine MOUNTED . The HACKSAW author’s hand MACHINES machine.. The Power Goodell -driven
machines. The Meddings hacksaw. The Cowell machine.
The author’s bench hacksaw. The ‘Duplex’ saw and its use
as a lathe attachment.
CHAPTER 5 THE POWER HACKSAW. Floor mounted machines.
Commercial hacksaw machines. Hydraulic variable feed and
blade relieving systems. The dashpot relieving device fitted
to the ‘Duplex’ saw. An enlarged ‘Duplex’ saw. The
counterbalance. ‘Cardboard Engineering’. The work vice.
Selecting tooth size. Fitting the saw blade. Sawing failures
and their causes. Blade breakages. Excessive blade wear.
Tooth fracture.Crooked sawing.
CHAPTER 6 USING THE POWER HACKSAW. Mounting the work.
The machine vice. Material support stands. The length stop.
Sawing short lengths of material. ‘Bundling’ round, square,
hexagon and angle stock.
CHAPTER 7 THE FRETSAW AND JIGSAW. The fretsaw frame. The
piercing saw. The fretsaw blade. The spiral saw blade.
Using the fretsaw and piercing saw. Jig saw blades.
Choice of blades for the jig saw. Lubricants for use with
the jig saw.Points needing attention when fretsawing.
POWER FRETSAWS AND JIGSAWS. An old-time fretsaw.
The mechanical piercing saw. American light fretsawing
machines. The Hobbies fretsaw. The Meddings fretsaw
machine. The ‘Duplex’ jigsaw. Fences for use with the
jigsaw.The Black and Decker jigsaw.
CHAPTER 9 THE COLD SAW. Hand and power driven cold saws.
The Meddings light cold saw. The quick-acting vice for use
CHAPTER 10 THE BANDSAW. The modern machine. Protecting the
operator. Bandsaw blades. Forms of band saw tooth.
Tooth set.Bandsaw breakages.
CHAPTER 11 BAND SAW BRAZERS AND WELDERS. Brazing equipment.
Butt welding. Dressing the weld. Bandsaw sharpening.
Handlingthe bandsaw blade.
APPENDIX Two miniature hacksaws with some notes on making them.
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10 – Saws and Sawing