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Production > Routers
Router with labeled parts such as enclosed power transmission, manual feed, point of operation rotating cutter, base and operating controlsRouters often are used for cutting and shaping decorative pieces, making frame and panel doors, and milling moldings. Routers have spindles that spin variously shaped, small-diameter cutting tools at high speeds. The tool is held in a collet chuck and protrudes through a flat, smooth base that slides over the surface of the work. The tool-spindle axis is usually vertical, but it may be tilted. The operator lowers the head for machining, and the head automatically returns to its original position after the cut is made. The spindle is driven by belts and pulleys or by a high-speed motor.



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Point of Operation Top
Potential Hazard:
  • Inadvertent contact with the rotating tool or cutter head when handling the stock or removing scrap from the table may cause injuries.
Possible Solutions:

Engineering Controls Router with adjustable tool guard #1 - Shows adjustment nuts, guards, stock, and base of router blade. Source: Concepts and Techniques of Machine Safeguarding, OSHA
Fig 1 - Router with adjustable tool guard
Top


Rotating Parts Top
Potential Hazard:
  • Clothing or hair may be caught on a rotating cutter head.
Possible Solutions:

Engineering Controls
  • Equip routers with a spindle braking system that gradually engages.
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Tool Projection Top
Potential Hazard:
  • Tools can be flung from the cutter head if they are poorly fastened in the tool holder, if the wrong tool is used, or if the tool speed is too high.
Possible Solutions:

Work Practices
  • Attach and secure tools to the holder properly.

  • Label cutting tools and holders with the maximum permissible spindle speed.

  • Use tools only as intended.
Top


Flying Chips Top
Potential Hazard:
  • Flying chips - Wood chips or wood dust, and splinters may be thrown by the cutting action.
Possible Solutions:
Engineering Controls Router with adjustable tool guard #1 - Shows adjustment nuts, guards, stock, and base of router blade. Source: Concepts and Techniques of Machine Safeguarding, OSHA
Fig 1 - Router with adjustable tool guard
Top


Kickbacks Top
Potential Hazard:
  • Kickback may be caused by poor-quality lumber such as if the stock breaks or incorrect work method, such as feeding the stock into the tool too abruptly or in the wrong direction, or poorly fixing the stock to the template.
Possible Solutions:

Work Practices
  • Use quality stock that is unlikely to break.

  • Avoid feeding the stock into the tool too abruptly or in the wrong direction.

  • Always secure the stock to the template.

  • Use tools only as intended.
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