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Stone cutting machine how to buy |
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First, the stone cutting machine running for one minute, running hand holding, hand should not feel any abnormal trembling, observe the exchange of sparks, the sparks should not be more than 3/2, generally from the tool Into the air inlet to see, in the commutator surface should be no obvious arc. Operation should be no normal noise.
Second, check the stone cutting machine nameplate and brochures, nameplate parameters should be consistent with the 3C certificate. The manufacturer should specify the address and contact details of the manufacturer and the manufacturer. The nameplate or certificate should have a traceable number of the product.
Third, observe the stone cutting machine packaging, packaging should be clear, no damage, open the box to observe the appearance of stone cutting machine, should be uniform color, plastic parts on the surface without obvious filaments and dents, should not have scratches or Bump marks, shell parts between the assembly dislocation ≤ 0.5mm, aluminum casting paint smooth and beautiful without defects, the whole surface should be no oil and stains. Hand holding, the feeling of feeling better, the switch handle should be flat. The length of the cable should generally be no less than 2 meters.
Fourth, according to the needs of stone cutting machine users, the first distinction between family use or professional use, because most of the power tools are designed for professionals, so before the purchase, should first distinguish between professional and general family with the shell The Usually professional and general household tools with the difference in power, professional tools with large power to facilitate the professionals to reduce the workload, the general household tools because of the small project, the workload is relatively small, so the tools The input power does not need to be large.
5, hand holding stone cutting machine, connected to the power, hand frequent operation switch, so that the tool frequently start to observe the stone cutting machine switch off function is reliable. At the same time observe the scene of the TV, fluorescent lights are abnormal phenomenon. In order to confirm whether the tool is equipped with a valid radio interference suppressor.
Six stone cutting machine is the national certification committee of the mandatory certification products, so in the purchase, the first should be checked whether the product has a 3C logo, access to the general method, in the tool on the packaging or tool nameplate Whether there is a 3C logo, if there is still doubt (because the manufacturer of power tools did not pass the annual supervision review, the State Commission to suspend or revoke its certificate), the National Commission on the website, access to the tool 3C Whether the certificate is valid. |
| Date：2017/1/16
Readed：4579 |
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