SANDVIK Welding Rod SANDVIK 59
Type: Welding Rod
Brand: SANDVIK
Type: Welding Rod
Brand: SANDVIK
Type: Welding Rod
Brand: SANDVIK
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Hitachi screw compressor failure case The author summarizes the case of Hitachi screw compressor maintenance and replacement bearings, and shares the data, please send it to a friend to collect and forward it for use
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The biggest difference between butterfly valve and ball valve is that the opening and closing part of butterfly valve is a plate, while the ball valve is a ball.
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Refrigerators have been necessary for people’s daily life and there are probably some problems with your refrigerators
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Hello everyone, today I will introduce you to Danfoss' high-temperature compressors.The refrigeration capacity of this series of scroll compressors ranges from 2 to 10 tons, and can be used in parallel. The compressor is divided into three platforms-household, small business and light business. Other features include: two frequencies, 450 kinds of codes.
06/14/2020
New retail approaching maturity Chinese cold chain industry ushered in new opportunities for development
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The rotor inside the servo motor is a permanent magnet. The U / V / W three-phase electricity controlled by the driver forms an electromagnetic field. The rotor rotates under the effect of this magnetic field. At the same time, the encoder of the motor feeds back the signal to the driver. The driver adjusts the rotation angle of the rotor according to the comparison between the feedback value and the target value. The accuracy of servo motor depends on the accuracy of encoder (number of lines).
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In the refrigeration system of the cold storage, the refrigeration compressor is the core equipment.
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Precision: the closed-loop control of position, speed and torque, and the problem of out of step of stepping motor is solved; Speed: high speed performance, general rated speed can reach 2000 ~ 3000 rpm;
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Fresh air system allows you to breathe fresh air at home for 24 hours In recent years, poor outdoor air quality has caused sensitive people to induce respiratory diseases;
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After long-term operation of industrial chillers, if cleaning and maintenance are not carried out for a long time, the operational stability of industrial chillers will be greatly affected, and peculiar smells will appear.