2、? The working environment should be clean and tidy, with sufficient light, and the messy and dim workplace is prone to accidents.
3、? It is forbidden to use electric tools in an environment with explosion or fire danger. If it is necessary to use electric tools in explosion-proof areas, gas analysis and monitoring should be carried out.
4、? Do not use power tools in an environment containing corrosive gases, which may lead to insulation damage.
5、? Power tools should not be used in humid environment. If power tools are wet or get water, the risk of electric shock will increase for operators. Avoid using electric tools outdoors in rainy and snowy weather.
6、? When using power tools, you should wear appropriate work clothes, not too loose clothes, and wear a working cap that can cover long hair, jewelry and thread gloves to prevent loose skirts, long hair, jewelry and thread gloves from being involved in the rotating parts of power tools.
7、? Wear protective equipment according to the requirements of the electric dentist used. Such as goggles, dust masks, helmets, earmuffs, anti-slip work shoes, safety belts, etc. Goggles are the protective equipment required by most power tools. It is also the most easily overlooked protective equipment. When working outdoors, it is best to wear rubber gloves and non-slip rubber shoes.
8、? When working with power tools, you should concentrate and keep a clear head. If you feel tired or unwell, you should stop working and have a rest.
9、? Never use power tools after being drunk or taking drugs, stimulants, sleeping pills and similar drugs.
10、? When using electric tools, stand firm, pay attention to keep your body balanced, and hold the handle tightly before starting the tools. Normal posture can help the operator to cope with various emergencies.
1 1、? When machining small or heavy workpieces, fix them reliably, such as clamping with a vise, and try to avoid pressing and fixing with one hand, and operate with electric tools.
12、? When operating electric tools, use appropriate force, not too hard. Don't force yourself when you feel that your posture is not made.
13、? Don't let children and irrelevant people near the workplace. In order to prevent others from interfering and causing out-of-control operation, relevant personnel should also pay attention to keeping a safe distance.
14、? Before each use, carefully check the electric tools, and the inspection contents are as follows:
Whether the shell and handle are cracked or damaged, and whether the power plug and power cord are in good condition.
Whether the solid parts are complete and effective, and whether the mechanical protection device is in good condition.
Whether the electrical protection device is in good condition and whether the protective grounding is normal and firm.
Whether there are loose parts or sundries in the electric tools, and whether the electric tools for adjustment have been removed.
Whether the switch action is normal.
Is the rotating part of the tool sensitive?
For electric tools using leakage protector or leakage protection plug, the leakage test button must be pressed before use to confirm that the leakage protector works normally.
15、? Electric tools that have not been used for a long time must be tested for insulation before use. Tools of Class I shall not be less than 2m Ω, tools of Class II shall not be less than 7m Ω, and tools of Class III shall not be less than1mΩ, otherwise they shall be dried or overhauled.
16、? Power-on test should be carried out before using electric tools, and there should be no abnormal sound and fever after power-on. Press the switch effectively and test the shell for no leakage with an electric pen. After the single-phase series excitation electric tool is energized, observe whether the brush spark is normal.
17、? Please make sure that the switch is turned off before plugging in the power supply. If you can't confirm, get ready to plug it in and start. When the plug is inserted into the socket, don't touch the power switch casually with your fingers. Misoperation may cause accidental injury.
18、? The power cord and extension cord of electric tools should be far away from heat sources, not immersed in oil, and avoid touching sharp edges. Don't pull out the power tool with the power cord, and don't pull out the plug from the socket.
19、? When using power tools, try to avoid body contact with grounded objects (such as pipes). Heater, stove, refrigerator, etc. ) to reduce the risk of electric shock.
20、? When replacing or adjusting the working head or accessories, you must unplug the power plug, not just cut off the power switch.
2 1、? When the electric dentist fails or has mechanical operation, it should stop working immediately to repair, and it should not be used intermittently before repair.