With rapid economic growth and rising living standards, the demand for wood panels has increased dramatically. The national timber industry has now entered a new phase of rapid development, and the sharp decline in forest area has made timber utilization a crucial issue for the woodworking and manufacturing industries. Traditional workshop-style factories, if they do not improve the technological content of their products, increase production efficiency, and enhance timber utilization, will be eliminated as society progresses and production technologies improve. Traditional rotary cutting machines suffer from problems such as core jamming, resulting in large amounts of residual wood core, low utilization rates, and significant waste. Furthermore, the use of only two-sided gripping support on round logs makes them prone to blade deflection or skipping, leading to large errors in the rotary-cut boards and low added value.
After a long period of in-depth understanding of veneer cutting machines, Shenzhen LanHai Huateng Technology Co., Ltd. has designed a new veneer cutting machine control system model based on the characteristics of veneer cutting equipment and the veneer cutting machine model. Based on the V5-H high-performance vector control frequency converter, they have successfully developed a dedicated frequency converter for veneer cutting machines.
The veneer laminating process places high demands on the frequency converter. Firstly, the converter must have excellent current handling capability and be able to switch rapidly between forward and reverse directions without failure within a very short time. Secondly, during the veneer laminating process, the converter's output power must remain constant, resulting in uniformly thick slices. LanHai Huateng's dedicated veneer laminating machine frequency converter is developed based on the V5-H high-performance vector control type frequency converter. Utilizing current vector control technology, it delivers high output torque at both low and high speeds, ensuring strong cutting force even during heavy low-speed cutting. It also features excellent current control performance and rapid acceleration/deceleration capabilities to ensure a fault-free process throughout the entire operation.
The LanHaiHuaTeng veneer varnishing machine dedicated frequency converter has the following excellent features:
1. High output torque ensures that the motor has strong cutting force and uniform output during low-speed heavy cutting;
2. High rotary cutting speed, high efficiency, and fast plate output speed;
3. The rotary cutting thickness is adjustable; the rotary cutting thickness can be set arbitrarily via the text display.
4. Small remaining wood core, resulting in high wood utilization;
5. The single-board thickness is highly accurate, uniform, and has a smooth surface;
6. The user interface is simple, with a visual text display, making operation and setup easy;
7. Built-in dedicated software for veneer lathes allows for veneer lathe control without a controller, saving users costs and improving production efficiency;
8. Wide voltage adaptability, capable of operating normally even under unstable voltage conditions (such as in rural areas);
9. The machine is integrated, highly automated, and easy to maintain: It requires less technical skill from the operator, and all operations can be completed with one click after the parameters are set.
The results of this frequency converter show that the system improves the processing accuracy of veneers and the utilization rate of wood, realizes the automation of processing, and is easy to operate. After long-term production trials by multiple manufacturers and customers, it has proven to be stable and easy to operate, with all indicators meeting the technical requirements, and has received unanimous praise from users and supporting customers.
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