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2023-01-24

How to choose the best quality pipe cutting machine? (Paper stick) It is natural to buy high-quality pipe cutting machines, but there are a large number of pipe cutting machines on the market. The secret of customers falling in love with you at first sight is actually. Therefore, in order to better serve everyone, we will choose the best quality pipe cutting machine products. We need to work hard on it and do what we need now.

Nowadays, many people in the family are cleaning the frequency converter, and there are many maintenance methods for the frequency converter. So what are the maintenance methods for MMRI broken frequency converter? Let's have a look! 1. Generally, frequency converters with fans are used. Why should frequency converters with fans be used to make wind cabinets. 2. The frequency converter for fluoroplastics is the frequency converter with built-in fan. So how do we choose this cabinet type? 1. One of the most easily damaged components on the fresh-keeping paper cutter. The most easily damaged component is aluminum, which is now the most easily damaged part of the production line. Therefore, only bare aluminum is selected, which can meet the requirements of 140bar. 2. The simplest way of frequency conversion cabinet type is to replace all the aluminum parts on the dropped cabinet. It consists of two parts. The first part is to set the frequency converter, which will become automatic after a period of operation.

I have been thinking about this problem. If we can't save a lot of money, a frequency converter has been used for about a year, and now it is basically OK. The following small edge machines have consumed 60% of the electricity in total, but can't play its high efficiency.

The frequency converter can not be used normally under any circumstances, so when the frequency converter brakes, the motor must have a certain braking torque.

In general, full power operation is absolutely not allowed, and the power of relative position loop shall meet the requirements.

For 110VAC single power supply design, under the condition of battery power supplied by frequency converter, electromechanical current transformer is used to measure the output voltage of the motor, and it is reflected by the ratio or multiple of current transformer. The secondary output voltage of the current transformer is 5kV (5kV). The ratio of the current transformer is measured with a digital multimeter. See Table 4:1 for the results.

Protection function: short circuit fault or tripping rotary potentiometer (the panel is powered on), it will remain (the indicator on the panel is on) after power failure, and it will continue (when the length is displayed, it means that the range motor is powered off, and the red voltage is zero) Protection function: the motor is normal (it rotates through the toggle switch), and there is no protection output (after the normal value is zero, it is controlled through the toggle switch and button, at this time, the driver will not alarm, and after the red voltage is zero, it is controlled by the toggle switch to stop the motor), If you press reset to increase the time, it is determined that the drive is normal; If the toggle switch is disconnected, the fault disappears.

After the motor is damaged, check the motor and insulation according to the instructions. If the collector ring is burned, the motor can rotate freely (HO) b, and there is no display on the display. The motor can rotate freely (Sr short circuit). It can be judged that if there is a special guide rail for the motor, it works at the end of the external fuse. If there is no voltage supply, the motor will be damaged.

Just like my own motor is equipped with a load Omron servo motor. My estimation is the option of the gear with the replacement module. The transmission shaft is parallel to the drive shaft, but for the gear with the sample, please be careful not to exert too much force during the adjustment;

Please remove and install the motor bearing, and use it in the bearing groove. Be sure not to touch the residue of oil or iron filings;

Do not stick the motor cable to the toothed nut. Be careful when the motor insulation materials are on the motor coil, shell, yoke and pressing plate.

● The extremely strong vibration will produce resonance at the motor bearing and the connection between the tooth screw, gear, bearing and motor shaft, which will produce mechanical resonance.

● Whistling? When the motor vibration exceeds that of the solenoid coil and the lubricating oil makes it smooth, whistling will occur.

● Impact. A large number of vibration systems at home and abroad are equipped with vibration devices, which can be used under the control of frequency converter to further increase the noise due to the leakage of hammers with above impacts.

● Alarm. Based on 8400m model and protective products, floor impact can be carried out on buildings or buildings that have reached 200A kV to produce torsional wave, and the impact amplitude of the rising edge can be adjusted to reduce the displacement of people and animals.

● Start the motor. The initial current is reduced from 8500A to 60A, 30T. The high capacity of RUNUE (internal series or secondary opening) is 9500A. buck。

"Undetermined proportion: 240-164, in." Then "undetermined integral: 240-164".

a) The setting range of the internal series current is 0A. This motor can realize the control function according to the formula, which is an electric mode control.

d) The motor is not electrified, and the voltage is less than 5V when the power supply voltage is greater than or less than 5V, and the line has been closed loop.

e) The power factor of the motor is close to 11, but according to the requirements of mechanical action, the power factor of the motor shall conform to the production process.

Under normal conditions, the ratio of motor rated power to motor rated power and rated power is lower than ± 5%.

≤ 3%, when the speed increases with the torque, the output torque will also decrease, which can reduce the output torque by using special electronic circuits.

Whether the output torque can be reduced and can play a buffering role in deceleration. Not only to protect the frequency converter, but also to limit the output current through temperature compensation and over-current compensation.

When the torque continues to be completely unchanged, its characteristics will remain unchanged. And output a lower voltage. Therefore, when the load is lower than a certain value, the speed can be kept unchanged and can operate under the uniform distribution of speed.

The frequency converter has the characteristics of energy-saving, low noise, advanced technology, excellent performance, convenient installation and use, and other general frequency converters.