Guangdong Cowest Machinery Equipment Co.,ltd.
What is suspended glass?
In the production process of the tempering furnace equipment, the glass is suspended throughout and is not attached to the equipment. The main drive of the equipment is a roller drive, and the structure of the tempering furnace is simple and reliable.
Each section of the tempering furnace equipment unit adopts AC frequency conversion technology, and the motor-driven reciprocating driving speed is adjustable. Each repetitive movement has an acceleration/deceleration distance to ensure that the workpiece does not rush and the drum does not run idle. The wind pressure of the air supply system is automatically adjusted, and the wind-winding electric opening and closing and the air volume electric balance are balanced. The main air valve automatically switches on and off.
In recent years, with the rapid growth of the economy and the continuous improvement of people’s living standards, the traditional glass production industry has brought about good opportunities for development. The requirements for automated processing have become higher and higher. At the same time, the quality and production efficiency of glass equipment have also increased. Made better demands.
What are the conditions for a good control system?
Whole machine control system composition
Suspension system
PLC control system
HMI main drive system (inverter, photoelectric sensor)
Heating system (heating wire, thermocouple sensor)
Cooling system (compressed air machine, pressure proportional control valve, pressure sensor)
Analysis of major components
Heating section
Roller drive: 1 set of motor power 0.75Kw, 1 set with frequency converter, 1 encoder (installed in the rear of the motor, 100P);
Convection fan: motor power 0.75Kw 2 sets, with 2 sets of frequency converter;
Furnace lifting: 1 set of motor power 0.18Kw, 1 pair with limit switch. Jog button 1 pair;
Heater: 3 upper and lower parts, each power 10Kw, voltage 380V;
Thermocouples: 1 in the upper part, 1 in the lower part, and 1 in protection; 1 in each of the front and rear door cylinders 50X50, with solenoid valves, and one magnetic switch per cylinder.
Cooling section
Roller drive: 1 set of motor power 0.75Kw, 1 set with frequency converter, 1 encoder (installed in the rear of the motor, 100P);
Wind grate lift: 1 set of motor power 0.25Kw, with 1 length of grating 400. With limit travel switch 1 pair. Jog button 1 pair;
Cooling section fan: motor power 30Kw 1 set, 2 switch dampers, 2 solenoid valves, 1 up and down air pressure control valve, 2 pairs of motor power 0.18Kw with limit switch and 2 pairs of jog buttons.
Clip on
Roller drive: 1 set of motor power 0.55Kw, 1 set with frequency converter;
A pneumatic lifting platform solenoid valve 4V410, with a manual control knob.
See process flow diagram
Parameter setting
Through the upper computer, real-time monitoring of each process can be carried out, and temperature setting can be performed. There are 6 groups of heating wires (3 in 3 and 3 in the upper). Each group can set the proportion of heating power in 1 to 10 and can reserve a time delay to start heating. Process monitoring temperature setting internal parameter setting
You can not know the core of the design
1. This design combines the AX3U series PLC with the analog AD and DA expansion modules to realize the automatic control of various process flow for glass tempering from synchronous feed, furnace back and forth heating, wind gate synchronous release, cooling, and discharge lamp.
2. The main drive must be equipped with acceleration and deceleration to avoid workpiece overshoot or motor idle, etc., and use the encoder to locate the acceleration and deceleration.
3. The pressure in the quenching stage must be kept constant and reach a constant value in the shortest time before the air source decays.
AX3U series PLC? !
How can this powerful PLC be missed?
Next, it reveals where this is
High-performance PLC, fast speed, large capacity, high performance, strong functions; built-in high-speed processing and positioning functions;
Input and output can be expanded up to 384 points, CPU, power, input and output integration; powerful extensions can be achieved through the function expansion board and special adapters, with rich scalability of devices and communications.
hardware
Can be configured with a variety of switch, pulse, analog and other I / O signals;
A variety of communication interface standard or optional: RS232/RS422/RS485, CAN, USB, LAN, MiniSD card, Wifi function module;
Optional human-machine interface HMI driver interface;
Optional bus extension BUS driver interface;
Program capacity from 2K to 64K steps, the highest operating speed: 0.065us ~ 0.55us / step;
software
Mitsubishi PLC;
Support C/C++ language development, support software modularity;
With powerful hardware and software configurations,
Zhida has 24 years of experience in PLC production as technical support.
I believe there will be more innovative and outstanding products born in the future!
For more details, welcome to the official website oh ~ Zhida looks forward to working with you!
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