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Miter Saws
• Also known as chop saws
• Used for straight and angle cuts in timber and metal
• Used in framing and finished carpentry
Parts of the Miter Saw• Fence
• Guard
• Blade
• Dust Bag
• Motor
• Trigger
Miter Saw Blades
• Large– 10”, 12” and 14” sizes
• Material specificIdeal for Ceramic Tile, Porcelain, and Slate
Cuts wood and plastic
Cuts Metal
Safety Concerns
• Zero miter saw related deaths
• Hand and finger cuts
• Approximately 52,000 people nationwide injured by stationary power saws in 2001
• 83% of injuries to fingers
• 5% result in hospitalization
Statistics not chop saw exclusivehttp://www.cpsc.gov/LIBRARY/FOIA/FOIA03/os/powersaw.pdf
Safety Concerns
• 98% of injuries occur to operator
• Other injuries include matter in eyes, ear injuries, and flying objects
• Awkwardness for left handed operators can result in injury
Safe Work Practices
• Work at a comfortable level
• Bolt to work bench to ensure stable and level working platform
• Do not use saw on the floor
• Do not cut small pieces as they may catch in blade
• Keep cords clear as they may
be a tripping hazard
Safe Work Practices
• Operators should always wear safety glasses under a full face shield.
• Gloves, loose clothing, jewelry, or any dangling objects including long hair should not be worn as they may catch in the rotating parts of the saw.
Safe Work Practices
• Use only the recommended RPM and sizes of blades.
• Regularly check and tighten the blade and the blade-attachment mechanism.
• Use ring test for blade continuity– If it rings clear then blade is free of cracks
Safe Work Practices
• All guards must be in place and operating. • Unplug power when making repairs. • Clean the lower guard frequently to help
visibility and movement.
Safe Work Practices
• Check cutting stock for nails and impurities– Nails may damage blade– Impurities may cause stock to splinter or shatter
• Always wear proper ear protection,
Safe Work Practices
• Hold or clamp all material securely against the fence when cutting.
• Do not perform operations freehand. • Long material should be supported at the
same height as the saw table. • Never place hands or fingers in the path of
the blade or reach in back of the fence.
Safe Work Practices
• NEVER CROSS HANDS!!!
• Do not hold short end of cutting stock
• Reset miter if the angle requires
Final Tips
• Know your equipment
• Wear proper protection
• Keep hands clear
References
• For more online safety tips visit www.tru.ca/hsafety/workinglearningsafely/work/chopsaw.html
• Video: www.expertvillage.com/videos/chop-saw-beginner-safety-tips.htm