The water tank wire drawing machine has very strict requirements for the frequency converter because the frequency converter plays a vital role in controlling the operation of the wire drawing machine. Here are some specific requirements:
First, the frequency converter needs to have a starting torque of up to 150 percent at 0.5 Hz. This means that when the wire drawing machine starts working, the frequency converter can provide enough power to drive the equipment to start, avoiding possible delay or standstill.
Secondly, the frequency converter needs to be able to realize the proportional intermodal control of multiple units. This control method can make the wire drawing machine automatically adjust the output frequency when the load and voltage change, and keep the speed constant. This is crucial to improving production efficiency and ensuring product quality.
In addition, the frequency converter also needs to have the RS485 communication function, in order to carry on the communication control with other equipment such as PLC, and PC. This communication method can realize remote monitoring and control of equipment, which improves the degree of automation of production.
Finally, the frequency converter is controlled by a common DC bus, which can effectively save energy and improve work efficiency. This control method can be required to use the DC bus for common control when multiple units are used in proportional linkage to further save energy.
In general, the main features of the frequency converter include the use of non-inductive vector control technology, which has the characteristics of low speed and high torque; the mechanical ratio design with Overspeed operation can improve the starting torque characteristics by 1.5 times; the multi-unit proportional linkage can be designed successfully With the DC bus, there is no need to add a braking device, and the machine can be stopped quickly; the speed accuracy is high, and it has the function of slip compensation.
For example, the transformation of a wire drawing machine by a certain cable company fully reflects the special features and usage methods of the frequency converter. When drawing ferrous and non-ferrous metals, the rotation speed of each winch is different, and the synchronous speed control can prevent the pull-off and the high-speed system connection can ensure the smooth progress of control and larger system work.
