Machines
What is required for radial saw guarding?
Completely enclose upper portion of the blade including the arbor nut, lower exposed portion of the blade shall be guarded to the full diameter, auto adjust
Ripping
Cutting with the grain
What kind of cuts can you make with a circular saw?
408.12705(4) “Circular saw” means a machine with a table to support the material and with a circular blade and used for ripping, cross-cutting, dadoing and rabbeting.
Aisle vs walkway
Aisle for people and vehicles walkway for people
A radial saw shall have the front end of the unit be slightly higher than the rear so that after each cut the radial saw
Gently returns to its home position
What is the difference between routers and jointers?
408.12706(5) “Jointer” means a machine with a revolving cutter head set into an adjustable table over which the material is moved over the cutter head.
408.12708(3) “Router” means a machine with a revolving vertical cutter and a motor suspended over a table and used to cut to a predetermined design
Crosscutting
Cutting against the grain
When can you remove a guard when using a circular saw?
unusual shapes or cuts when a jig or fixture is in place.
Mortiser
Boring machine used to cut square or rectangular holes
Portable circular saw guards, after each cut, shall
automatically and instantly return to the covering position
Swing and sliding cut-off saws or any other saw mounted above the table, except radial saws, shall have what guarding in place?
a hood-type guard designed so the upper half of the blade, arbor, and nut will be covered at all times. A hood-type guard or a device shall cover the lower half of the blade. It shall automatically adjust to the thickness of the stock.
Rabbeting
What guarding is required on a circular saw?
408.12722(1) A circular saw shall have a hood type guard covering the blade at all times when not in use
408.12722(2) When in use, the hood type guard shall enclose that part of the blade above the table and that part of the blade above the material by adjusting automatically to the thickness of the material being cut, or it may be a fixed or manually adjusted hood type guard if the hood remains in contact with the material.
Molding or Stick Machine
means a machine equipped with revolving cutter heads and used to cut irregular contours on straight strips of wood
Planer
means a machine with a revolving cutter head set above an adjustable table on which material is passed under the cutter head by powered rollers.
1/4 in of the work piece
Dadoing
Cutting a groove for a slide
So there is no more than 1/2 inch from the back of the saw or within 1/2 inch of the blade if there is a smaller blade.
Radial vs Swing saw
Radial is suspended form a horizontal arm and pulled through the material
Swing a machine suspended above a table and swings forward from an overhead pivot point
Guards on a belt sanding machines shall
cover pulleys, sides, and prevent hands or fingers of the operator from coming into contact with the nip points
Automatic feeding devices on a machine should be installed... and be guarded to protect....
where the nature of the work will permit.
Guarded to protect the operator from in-running nip points
What is needed when ripping?
Guard, spreader, anti-kickback/dog teeth
When should a push stick be used?
For narrow strips of wood and shorter strips
Router
A revolving vertical cutter and a motor suspended over a table and used to cut to a predetermined design
What clothing shall be provided, shall be prohibited, should not be worn?
Be provided... anti-kickback aprons
Shall not loose flowing garments, sleeves, and neckties
Should not... gloves