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English
The welding machine using PLC and AC motor frequency control technology also has the following advantages:
1. High degree of automatic, the electric control part of the hob-welder adopts the frequency converter +PLC+ man-machine interface, which reduces the requirement of the operator's proficiency. Due to the use of PLC, the degree of automation is greatly improved, electrical components are reduced a lot, reduce the failure rate, improve the reliability of equipment operation. It is mainly reflected in the following aspects:
1. Realize the degree of skeleton length size preset, and can be directly called.
2. When automatic welding, adjust the speed of the main engine, and the pulling speed changes accordingly to ensure the spacing between the ring bars.
3. All the motors are controlled by frequency conversion, and the man-machine interface directly prompts the fault location. There are operation instructions of the equipment in the man-machine interface, making it easier for the operator and maintainer to use and maintain the equipment.
Second, the welding speed has been fundamentally improved, due to the use of secondary rectifier as a welding power source, due to the current but zero, secondary no inductive reactance and many other advantages, welding speed and AC power has been significantly improved, at the same time, welding quality has also been significantly improved, the main experience is:
1. When secondary rectifier is used, because it is DC power supply, unlike AC power supply, each cycle wave has to pass through zero, the welding area warms up fast, and avoids the heat loss caused by cooling when AC current amplitude drops, improves thermal efficiency, and can reduce the splash caused by too much current when AC amplitude rises.
2. The DC power supply eliminates the influence of AC current in each cycle through zero. The current density can be greatly improved, which provides a reliable guarantee of energy for improving the welding speed.
3. Dc power supply can greatly reduce the capacity of the welding transformer, this is because the current and magnetic field no phase difference, no skin effect, the same size of the current, the use of straight
The welding machine using PLC and AC motor frequency control technology also has the following advantages:
1. High degree of automatic, the electric control part of the hob-welder adopts the frequency converter +PLC+ man-machine interface, which reduces the requirement of the operator's proficiency. Due to the use of PLC, the degree of automation is greatly improved, electrical components are reduced a lot, reduce the failure rate, improve the reliability of equipment operation. It is mainly reflected in the following aspects:
1. Realize the degree of skeleton length size preset, and can be directly called.
2. When automatic welding, adjust the speed of the main engine, and the pulling speed changes accordingly to ensure the spacing between the ring bars.
3. All the motors are controlled by frequency conversion, and the man-machine interface directly prompts the fault location. There are operation instructions of the equipment in the man-machine interface, making it easier for the operator and maintainer to use and maintain the equipment.
Second, the welding speed has been fundamentally improved, due to the use of secondary rectifier as a welding power source, due to the current but zero, secondary no inductive reactance and many other advantages, welding speed and AC power has been significantly improved, at the same time, welding quality has also been significantly improved, the main experience is:
1. When secondary rectifier is used, because it is DC power supply, unlike AC power supply, each cycle wave has to pass through zero, the welding area warms up fast, and avoids the heat loss caused by cooling when AC current amplitude drops, improves thermal efficiency, and can reduce the splash caused by too much current when AC amplitude rises.
2. The DC power supply eliminates the influence of AC current in each cycle through zero. The current density can be greatly improved, which provides a reliable guarantee of energy for improving the welding speed.
3. Dc power supply can greatly reduce the capacity of the welding transformer, this is because the current and magnetic field no phase difference, no skin effect, the same size of the current, the use of straight
