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Safety operation rules for electric tools [2017-09-02]

1, the mobile robot and electric hand-held electric power line must use three single-phase soft rubber cable, three-phase power line must use four core rubber cable wiring, wiring box; cable sheath should wear into the equipment within and be fixed.

2 the power tools should be inspected before use:

(1) shell, handle without cracks, no damage;

(2) the protective earthing wire or the zero line is connected accurately and firmly;

(3) the cable or cord is intact;

(4) the plug is in good condition;

(5) the switch is normal, flexible and free of defects;

(6) the electric protection device is in good condition;

(7) the mechanical protective device is in good condition;

(8) rolling departments are flexible.

3, the insulation resistance of power tools should be measured with 500V's Euro meter on schedule. If the insulation resistance between live parts and housings is less than 2M ohms, maintenance must be carried out.

4 . after the maintenance of the electric department of the power tools, the insulation resistance measurement and the insulation withstand voltage test must be carried out. The test voltage is 380V, the test time is 1 minutes.

5, the idea of mechanical connection of electric tool and electric circuit should be set up as a separate switch or socket, and the installation of electricity leakage protection device, the metal casing should be grounded; a gate connected with a plurality of devices is prohibited.

6, current type leakage protector rated leakage current shall not be greater than 30mA, action time shall not be greater than 0.1 seconds; voltage type leakage protector rated leakage action voltage shall not be greater than 36V.

7. The switch of the electric tool should be placed where the operator can reach it. When I passed to rest, or work in the blackout, should cut off power supply side switch.

8, when using portable or mobile power tools, you must wear insulating gloves or stand on the insulating pad; when moving tools, shall not carry the wires or tools rolling department.

9, in the wet or acid containing sites and in metal containers using III class insulation power tools, must take reliable insulation measures, and set up special care. The switch for power tools should be located in the reach of the guardian.

10, magnetic disk suction drill electric plane should be smooth, clean, no rust, side drilling or overhead drilling, should be taken to prevent the loss of electricity after the drilling body falling measures.

11, the use of electric wrench, should be counter torque fulcrum firmly, and indeed buttoned the nut before you can start.


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