Understand the dangers and safety measures when using handheld power tools

Unsafe factor (dangerous point)
First, electric shock:

1. The power supply voltage must match the voltage specified by the tool.

2. The inner, outer casing and wires must be inspected for good insulation before use and no leakage is allowed.

3. The correct grounding device must be used before use and the plug cannot be inserted in the wrong position.

4. Before use, install a qualified leakage protector with a rated operating current of no more than 15 mA, an operating time of no more than 0.1 sec, or a rated leakage current of no more than 30 mA and an operating time of not more than 0.1 sec.

5. When working in a metal container, special personnel must be provided for uninterrupted monitoring. The leakage protector, power connector and control box should be placed outside the container. The insulation board should be placed under the staff's feet. The power tool must be worn in a particularly humid place. Suitable overalls, wearing insulated gloves and insulated shoes.

Second, mechanical injury:

1. Before use, the drill must be confirmed as a qualified drill, labeled or certified.

2. Before use, it must be checked that the nuts of the mechanical transmission parts are fastened and qualified before they can be used.

3. Before turning on the power, you must carefully check that the switch of the tool you are using should be in the off position before you can turn on the power.

4. When replacing the drill bit, the power plug must be unplugged before the replacement work can be carried out. Check the drill bit without cracks and no defects on the surface.

5. The workpiece must be securely fixed on the workbench during use. The drill bit must also be clamped, and the drill bit must not collide with the body and the workpiece.

6. Do not force the drill bit into contact with the object during work. Gently touch the appropriate entry and keep your hand away from the rotating parts.

7. You must wear protective goggles to wear suitable overalls when working. People with long hair must wear a hat, clean the work place, and do not have anything to be caught by the drill bit. Both hands must be clenched and carefully guarded.

8. When working, the body must maintain proper posture and must stand firm. Do not reach out and take tools and work.

9. The tool used must be placed in a safe and secure position after the switch has been completely stopped, and then the plug is unplugged.

10. It is strictly forbidden to work with a hand with a pistol drill with one hand.

11. There must be more than 2 people working, and there must be someone to carry out uninterrupted supervision.

Electric wrench:

Unsafe factor (dangerous point)

First, electric shock:

1. The power supply voltage must be the same as the voltage specified by the electric wrench.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

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