Examples Of Four Primary Machine Actions

Actions

Cutting Actions

Cutting actions may involve rotating, reciprocating, or transverse motion. The danger of cutting actions exists at the point of operation where finger, arm, and body injuries can occur and where flying chips or scrap material can strike the head, particularly in the area of the eyes or face. Such hazards are present at the point of operation in cutting wood, metal, or other materials.

Cutting Actions

Examples of mechanisms involving cutting hazards include band saws, circular saws, boring or drilling machines, turning machines (lathes), or milling machines.

Punching Actions

Punching Actions

Punching actions result when power is applied to a slide (ram) for the purpose of blanking, drawing, or stamping metal or other materials. The danger of this type of action occurs at the point of operation where stock is inserted, held, and withdrawn by hand.

Typical machines used for punching operations are power presses and ironworkers.

Shearing

Shearing

Shearing action involves applying power to a slide or knife in order to trim or shear metal or other materials. A hazard occurs at the point of operation where stock is inserted, held, and withdrawn.

Examples of machines used for shearing operations are mechanically, hydraulically, or pneumatically powered shears.

Bending

Bending

Bending action results when power is applied to a slide in order to draw or stamp metal or other materials. A hazard occurs at the point of operation where stock is inserted, held, and withdrawn.

Equipment that uses bending action includes power presses, press brakes, and tubing benders.

Why Is Machinery Safety Important?

Moving machinery can cause injuries in many ways:

  • People can be struck and injured by moving parts of machinery or ejected material. Parts of the body can also be drawn in or trapped between rollers, belts and pulley drives
  • Sharp edges can cause cuts and severing injuries, sharp-pointed parts can cause stabbing or puncture the skin, and rough surface parts can cause friction or abrasion
  • People can be crushed, both between parts moving together or towards a fixed part of the machine, wall or other object, and two parts moving past one another can cause shearing
  • Parts of the machine, materials and emissions (such as steam or water) can be hot or cold enough to cause burns or scalds and electricity can cause electrical shock and burns
  • Injuries can also occur due to machinery becoming unreliable and developing faults or when machines are used improperly through inexperience or lack of training
About Mohsin Wochoo

I'm Mohsin, a dedicated health and safety manager with over 7 years of experience in the industry. Currently, I work with AECOM USA and take pride in being a part of this globally renowned company that specializes in engineering, design, and infrastructure development. Throughout my career, I have been deeply committed to promoting and maintaining a safe and healthy work environment for employees and stakeholders alike.

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