What are the safety requirements for a hacksaw?

OPERATIONAL SAFETY CHECKS

  • Ensure that the work piece is secure.
  • Support overhanging work and signpost if it presents a hazard.
  • Ensure no-stands in front of the saw when it is started.
  • Keep clear of moving machine parts.
  • Direct coolant onto blade before starting cut.
  • Never leave the machine running unattended.

How does a hacksaw work?

Hacksaws have small pins at each end of the frame that receive a blade. A tensioner nut or knob is then used to extend the length of the frame, which puts tension on the blade and locks it in place. The blade can be installed to cut on either the push or pull stroke; cutting on the push stroke is more common.

What is the hazard of hacksaw?

POTENTIAL HAZARDS AND INJURIES Metal splinters. Sharp edges and burrs. Hair/clothing getting caught in moving machine parts. Eye injuries.

At what speed should a hacksaw be used?

The cutting speed of a power hacksaw, of course, varies with the material being cut. Suggested cutting speeds are as follows: for mild steel, 130; for tool steel (annealed), 90; and for tool steel (unan- nealed), 60.

What are the hazards of a hand saw?

Of this total, about 1,300 of the injuries involved lacerations to fingers and hands. Other injuries included finger fractures and amputations, hand fractures, wrist, arm, and leg lacerations, and sprains to the lower back and trunk.

How does a hacksaw cut metal?

Hacksaws work by simply moving the blade through the metal backwards and forwards in a regular ‘sawing’ action. The C shaped handles are relatively cheap to buy and the wide range of blades available enables a wide range of profile thickness and metal grades to be cut easily.

What is hacksaw made of?

Hacksaw blades are typically made from high-speed steel (HSS), a tough, abrasion-resistant variety of steel.

What causes a hacksaw blade to break?

Sudden failure of saw blades, due to breakage of teeth (carbide) or breakage of the saw blade itself (HSS) is generally caused by: Too many teeth on the saw blade for the application. Excessive feed rate. Material movement caused by clamping problems.

How many types of hacksaw are there?

Following are the main two types of hacksaw frame: Fixed Hacksaw Frame. Adjustable Hacksaw.

What personal protective equipment should you wear when you are using a hacksaw?

General Eye Protection When Using a Hacksaw Protect your eyes from metal swarf or shavings of plastic when using a hacksaw. Always use safety goggles, a visor, or face shield when you are working. It’s important that the protective eyewear that you choose offers you a clear line of vision.