How to choose electric tools？

(1) First of all, according to your needs, the difference is whether it is for household use or professional use. Generally, the difference between professional power tools and general household power tools is mainly in power. Professional power tools have higher power, and general household use The power of the tool is small, and the input power is also small and compact. The highly integrated power tool is easier to use than the large and single-function product. Therefore, as far as possible, choose a power tool with rich functions, small size, simple structure, and easy storage. When you buy a power tool, you need to buy a clear case of the outer packaging. There is no damaged power tool. The power tool you buy has a normal appearance and complete plastic parts. Bright wire and dents, no scratches or bumps, the relevant paint is smooth and beautiful without defects, the surface of the machine is free of oil and stains, the handle of the switch is flat, and the length of the wire and cable is generally not less than 2M power tools , Parameters, manufacturers, certificates, etc. are equipped with hand-held tools, turn on the power, frequently operate the switch, make the tool start frequently, observe whether the on-off function of the tool switch is reliable, whether it affects the on-site TV / fluorescent lamp, etc. Determine whether the tool is equipped with an anti-interference suppressor. The power tool runs for 1 minute, feels the vibration and observes the reversing sparks, whether the air intake is normal.

(2) Select power tools with noise within the allowable range.

(3) Choose power tools that are easy to repair and obtain.

(4) Select the power tool and pay attention to the power supply voltage. Generally, handheld power tools need to provide 22V mains power as the energy drive. Do not connect 380V industrial power, otherwise it will cause damage to the machine.

Power tool purchase skills


1. If you often drill holes in the concrete wall, then a two-kilogram electric hammer is your best choice. Due to the cylinder structure of the electric hammer, the thumping force is very high, and has a thumping frequency of 1,000 to 3,000 per minute, which can generate significant force, making it easy for you to drill holes in the concrete wall. Coupled with an adapter rod and the chuck of an ordinary electric drill, it can also complete the function of a hand electric drill, achieving the purpose of multi-purpose machine. It is a speed-adjustable hammer + adapter rod + 13 mm electric drill chuck. It only costs a few hundred yuan and is equipped with several commonly used drill bits. Then most of the decoration tasks in your home can be completed by yourself.

2. If in addition to drilling in concrete, it is also necessary to consider drilling holes in wood and metal, and drilling holes in concrete under 10 mm, you can consider impact drilling, which produces impact by helical gears, and the impact force is not as good as that of an electric hammer.

3. If you often tighten or loosen screws, or make holes in wooden or iron plates, then you can buy a rechargeable electric screwdriver, which is the most convenient tool in these two aspects. The rechargeable electric screwdriver plus a set of screwdriver heads makes it easy to get the job at hand.

4. Everyone must know that it is suitable for drilling holes in wooden or iron plates, but do n’t expect how big it is to drill holes in concrete walls. Doing so can easily damage the machine. A hand drill is the most economical. Power tools, even if imported, only cost a few hundred yuan.

5. Jig saw, if you have a strong hands-on ability, you can make some furniture or modeling yourself, then you must need the jig saw, install the appropriate saw blade, wooden board, iron plate, plastic plate, stainless steel, etc. soon Your ideal shape is processed under your hands. You can choose various types of jig saws to create your own shape.