How to change the hottest electric screwdriver hea

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How to change the electric screwdriver head is simple, five steps to quickly master

Abstract: so many household appliances and digital 3C products at home will always have some minor faults due to some unexpected conditions, so the most indispensable thing at home is the Emergency Maintenance Kit, and the electric screwdriver is one of the commonly used tools. However, the electric screwdriver head also needs to be replaced after being used for a long time. How to replace the electric screwdriver head? Let's have a look

(5) the advantage of the utility model is that it can replace the cutter head at any time according to needs, and can be used for the installation of casing screws below 10mm, which is convenient and fast in practical work and improves the work efficiency

when choosing power tools, you should pay attention to the following points:

1. According to your needs, you should distinguish between home use and professional use. Most power tools are designed for professionals. When choosing power tools, you should distinguish between professional and general home use tools. Usually, the difference between professional and general household tools is in power. The power of professional tools is larger, so that professionals can reduce the workload. Because the project of general household tools is small, the workload is relatively small, so the input power of tools does not need to be large

2. The outer package of tools should have clear patterns, no damage, and the plastic box should be solid. The buckle for opening the plastic box should be firm and durable

3. The appearance of the tool should be uniform in color, the surface of the plastic parts should be free of obvious shadow wires and dents, scratches or bumps, the assembly dislocation between shell parts should be ≤ 0.5mm, the aluminum casting coating should be smooth and beautiful without defects, and the surface of the whole machine should be free of oil and stains. When held by hand, the handle of the switch should be flat. Generally, the length of cable shall not be less than 2 meters

4. The nameplate parameters of the tool should be consistent with those on the CCC certificate. The detailed address and contact information of the manufacturer and manufacturer shall be provided on the instruction manual. The nameplate or certificate of conformity shall have the traceable batch number of the product

5. Hold the tool by hand, turn on the power supply, operate the switch frequently to make the tool start frequently, and observe the on-off of the tool switch to show whether its yield strength and tensile strength are higher than the predetermined value, and whether the function of section shrinkage and elongation is reliable within the tolerance range. At the same time, observe whether there are abnormal phenomena in the TV and fluorescent lamp on the scene. In order to confirm whether the tool is equipped with an effective radio interference suppressor

6. The tool is powered on and operated for one minute. With the adjustment and upgrading of people's economic tension, such as aerospace, national defense, kerosene chemical industry, transportation and so on, hold it with your hand during operation, and there should be no obvious abnormal vibration in your hand. Observe the reversing spark, and its reversing spark should not exceed 3/2 level. Generally, looking inward from the air inlet of the tool, there should be no obvious arc on the surface of the commutator. There should be no abnormal noise during operation

drilling machines and tools powered by electricity. It is a conventional product in electric tools, and it is also the electric tool product with the largest demand. The annual production and sales of electric tools are welcomed by parents and students, accounting for 35% of China's electric tools. It is reported that in the next ten to fifteen years, the sales of electric tools in the world will increase at an annual rate of 5%. Electric tools are a kind of "low value consumables". In Europe and the United States, electric tools are not only used as a tool, but also as a gift to each other, so they have great market development potential

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