Food packaging machine ABB frequency converter application – HC net electrical i
1. Food Packaging Machine Works Pillow
current leading automatic packaging machine is the most mature and reliable technology and design and production, bringing together years of experience in the field of packaging machinery essence, the packaging machine can use a variety of composite film rolls packaged foods on the block is well suited to the needs of Chinese customers.
1) the electrical part of the automatic packaging machine generally consists of the following components:
A) the main control circuit speed sensorless vector frequency by a programmable logic controller (PLC) controls the composition of the core;
b) temperature control circuit consists of intelligent temperature controller, solid state relays, thermocouple elements such as composition, temperature control is precise, intuitive display, easy to set;
C) by the photoelectric switches, magnetic proximity sensors such as multi point tracking and detection;
2) Automatic pillow works With increased automation, packaging, machine operation, maintenance and routine maintenance is more convenient and simple, reducing the professional skills of the operators requirements. Good or bad quality of product packaging, direct and temperature system, host speed precision, stability and performance tracking system is closely associated.
Tracking control system is the core of packaging machine, with pros and cons to the two-way track to further improve the tracking accuracy. The machine running, the film marked the detection sensor constantly film mark (color), while tracking micro-mechanical testing machine position switch, the two signal sent to the PLC, by the process operation, by the PLC's output Y6 ( is to recover), Y12 (anti-chase) to track motor control positive and negative tracking, packaging materials in the production process to detect errors occur at the same time accurate to compensation and redress, to avoid the waste of packaging materials. If detected after the tracking number can not be scheduled to meet technical requirements, can automatically shut down for inspection, to avoid waste generation;
As a result of frequency control, significantly reduced the transmission chain to improve the stability of the machine operation and reliability, reduced operating noise machine. Ensure that the packaging machine efficiency, low loss, multi-functional automatic detection, automatic high-tech level. It both beautiful and stylish appearance, but also health alert mind.
Food packaging machine applications used in transmission although relatively simple, but the dynamic performance of the high transmission requirements, system requirements follow the fast dynamic performance and precision high-speed stability. Therefore, the inverter must be considered dynamic technical indicators, use high-frequency converter to meet the requirements.
ABB sensorless vector inverter, to meet the requirements of packaging machine, because it has the following characteristics:
1) Application of speed sensorless vector control technology, with automatic tuning function automatically correct frequency in order to achieve stability of the load change in the effect of motor speed;
2) with high stability and fast dynamic response speed precision can meet the high performance occasions and transmission control requirements. Reduce the time due to transmission failures and economic losses. Also eliminates the need for speed sensor, with low maintenance costs.
3) has a feature rich, stable performance, small size and low noise operation and so on.
Main loop Control System 2. Application of the advantages of frequency control devices
1) simplify the transmission system, a significant reduction in failure rate, reduce the maintenance costs of enterprise.
2) to increase production and reduce costs. Can increase the production of technologies to improve both yield and quality, and cost-effectively, maximize profits.
3) for control of the software and enhances functionality.
4) through the torque compensation, to prevent stalling and re-start and other functions, the implementation does not tripping operation; to enable the production of stable product quality, efficiency. Comment Large In Small
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