Selection and application of frequency converter in the machine tool industry

by:V&T Technologies     2020-03-18
In the lathe industry, the use of frequency converter size at most. However, Japan Fuji, yaskawa, mitsubishi and occupy the bigger market share in brands such as Taiwan. Is also have some Chinese brand inverter by machine tool manufacturing companies to choose, but in the grinding machine, forging machine tool on the function of the frequency converter industry appealed to the higher fields, as usual, is mostly in the foreign brands, such as mitsubishi, Fuji, Germany Siemens, in brands such as advantageous as usual. Because with wider range of machine tool processing, different artifacts, different process, use a different tool, in machine industry, the use of frequency converter size at most. So main movement should be able to speed of machine and machine speed regulation of frequency converter products user role more attention. The current our country nc machine tools with inverter most Japanese brand. Inverter is the use of power semiconductor devices the on-off function of the power frequency power conversion to another frequency control device of electric power. Current our country nc machine tools with frequency converter most Japanese brands, such as mitsubishi inverter because near the server's function, and thus more also used in the machine tool; And in function because of its near mitsubishi, cost-effective, market share is gradually add in recent years. In the lathe industry, the use of frequency converter size at most. However, Japan Fuji, yaskawa, mitsubishi and occupy the bigger market share in brands such as Taiwan. Is also have some Chinese brand inverter by machine tool manufacturing companies to choose, but in the grinding machine, forging machine tool on the function of the frequency converter industry appealed to the higher fields, as usual, is mostly in the foreign brands, such as mitsubishi, Fuji, Germany Siemens, in brands such as advantageous as usual. According to 2008, and 2009 machine tool sales data, general machine tools especially function the lathe inventories appropriate serious of heavy and complicated, and complex machine, large heavy product market is better. The machine size, machine tool parts have strange activity speed, the frequency converter function is also put forward higher request, domestic inverter manufacturers should seize the opportunity, planting machine tool market. Inverter is the use of power semiconductor devices the on-off function of the power frequency power conversion to another frequency control device of electric power. Mainly by the rectifier, filter, inverter, brake unit, drive unit, detection unit micro processing unit, etc. In general, the frequency converter must have a few basic skills: 1, energy saving; 2, control of motor speed; 3, protection function can be divided into the following two categories: detector abnormal state automatically after modification action, such as over current stall, prevent regeneration overvoltage stall to prevent. Detector after abnormal blocking power semiconductor devices PWM control signal, make motor automatic parking. If the current be cut, regeneration overvoltage cut, semiconductor cooling fan overheating and instantaneous power failure protection, etc. Inverter in the application of the machine tool industry due to the machine tool with wider range of processing, different artifacts, different process, use a different tool, perform component of machine tool with different speed, so the main movement of machine tool should be able to speed, machine speed regulation of frequency converter products user role more attention. Constitute an important part of the main shaft is lathe, to improve the machining efficiency, expanding the scope of the processing materials, improving the quality of processing has a very important role, the inverter is mainly used in the spindle speed regulation system. Current inverter of high performance for customers, so the inverter has been widely used in the lathe.
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