Good tools for an easy life.

Eight selection tips for electric drills

by:WORKSITE     2020-06-04
Electric drills are an indispensable product in home life, and home decoration plays a vital role. Suitable for drilling holes in steel, wood and plastics, it is one of the most popular tools used in handheld power tools. However, in the face of such a wide variety of electric drills, many friends will inevitably be picky. So if you want to buy a satisfactory electric drill from it, you still need to work hard. Therefore, in order to buy a satisfactory electric drill, you should generally pay attention to the following points. 1. Electric drill products are compulsory certification products stipulated by the CNCA. Therefore, when purchasing, you should first check whether the tool has the 3C mark. The method of checking is generally whether it is on the tool's outer packaging or the tool's nameplate. There is a 3C mark, if there is still doubt about this (because the manufacturer of the electric drill has not passed the annual supervision review, the CNCA suspended or revoked its certificate), you can go to the website of the CNCA to check whether the tool’s 3C certificate Currently valid. Second, when purchasing electric drills, you should choose large companies with better reputation and more influential, because these large companies have strong technical force, strict quality control, and more standardized after-sales service. Users with strong purchasing power can also purchase some international brand tools. Third, according to the needs of users, first distinguish between household and professional use. Since most electric drills are designed for professionals, before purchasing, you should first distinguish between professional and general household tools. Generally, the difference between professional and general household tools is in power. The power of professional tools is larger to facilitate professionals to reduce the workload. The tools of general household tools are relatively small, and the workload is relatively small. The input power does not need to be large. 4. Observe the outer packaging of the electric drill. The outer packaging of the tool should be clear and free of damage. The plastic box should be strong. The buckle for opening the plastic box should be firm and durable. 5. Observe the appearance of the electric drill. The appearance of the tool should be uniform. There should be no obvious shadows and dents on the surface of the plastic parts. There should be no scratches or bumps. The assembly dislocation between the shell parts is ≤0.5mm. No defect, the surface of the machine should be free of oil stains and stains. When you hold it with your hands, you feel better about yourself, and the handle of the switch should be flat. The length of the cable should generally not be less than 2 meters. 6. Check the nameplate and manual of the electric drill. The nameplate parameters of the tool should be consistent with those on the 3C certificate. The manufacturer's and manufacturer's detailed address and contact information should be on the instruction manual. The traceable batch number of the product shall be on the nameplate or certificate of conformity. 7. Hold the electric drill by hand, turn on the power, and frequently operate the switch by hand to make the tool start frequently. Observe whether the on-off function of the tool switch is reliable. At the same time, observe whether there are any abnormal phenomena on the TV set and fluorescent lamp on site. In order to confirm whether the tool is equipped with an effective radio interference suppressor. 8. The electric drill runs for one minute when it is powered on, and it should be held by hand during operation. The hand should not notice any abnormal vibration. Observe the reversing spark. The reversing spark should not exceed the level, generally from the air inlet of the tool. Look, there should be no obvious arc on the surface of the commutator. During operation, there should be no abnormal noise.
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