Huifeng inverter in the use of bearing processing profession

Source: China Bearing Network Time: 2018-06-27

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High-speed grinding machines are necessary equipment for bearing production and processing; they have been constrained by power electronics control skills; one machine can not be equipped with one inverter; instead, the large and medium frequency plan is selected: one large and medium frequency power supply equipment for 5 independent Grinding machine power supply; only one bed operation; the equipment is to be opened; if there is a problem with an intermediate frequency equipment; then 5 machine tools will stop; severely delay production. Huifeng Company takes the lead in using the intermediate frequency inverter to Fuyang Automobile Bearing Co., Ltd. The company's high-speed grinding machine; completed a high-speed grinding machine driven by a frequency converter; the product has not been a problem since its operation in 1999; the manufacturer calculates that the product function is stable; each grinding machine stops 18 days less per year; equivalent to adding more output value 17280 sets; added benefits of about 60,000 yuan; the amount of repairs has been reduced by about 30%; annual savings and repair costs of about 3,000 yuan; promoted the company's economic benefits.
Report on the use of the inverter; Jiuda Group Skills and Quality Department: Jiutai Group's 300,000 tons/year vacuum salt equipment and equipment, seven inverters, 1692KW; since the operation on November 27, 2002; outstanding use After checking and verifying that it is fully accustomed to the demand of 600,000 tons/year of production capacity, the first table is now:
First, the long running time under high temperature conditions: since entering June; the day is even and you exceed 30 degrees at all; but since June 2, after the overhaul, the production will resume production until July 1; the inverter has arrived since its inception. The longest continuous operation time is 584 hours; the average daily output value exceeds 1800 tons.
Second, good stability; good conditioning function: in the operating cycle; the inverter can get used to the various changes in the production process; satisfied with the various types of salt production; can be based on the need to force the motor speed fast and stepless speed regulation .
Third, the power saving effect is significant: according to the observation; the inverter saves 9.56KWH/set at 48HZ than at 50HZ. h, at 50HZ, saves 10. 2KWH/set when the inverter is not needed. h.
Fourth, the problem worthy of attention:
1. The operating temperature of the inverter should comply with the safe operating temperature of the electronic components; the current temperature of the power distribution room is high; it is recommended to install two 5P air conditioners in the power distribution room; perform useful cooling and dehumidification on the power distribution room; The service life of the device.
2. The best operation method of the inverter should be the dynamic conditioning operation of the reaction volume; however, we have not yet reached the operation method; we should increase the exploration of the dynamic conditioning operation method of the inverter response; now we are selecting hot and cold air. The machine inverter starts the exploration of the operation method; it is expected to receive strong support from the Skills Quality Department.

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