The single-wire cutting machine adopts the method of reciprocating circular movement of diamond wire, so that the relative grinding movement between the diamond wire and the object to be cut is formed, and then the purpose of cutting is completed; Single-line cutting machine is widely used to cut all kinds of metal and non-metal composite materials, especially in cutting high hardness and high value materials, compared with traditional mortar cutting reflects the advantages of rolling type, can increase the processing speed several times, significantly reduce the consumption of materials, and the production process is more environmentally friendly.
The wire cutting machine uses 2 winding cylinders to reciprocate back and forth, driving the gold and steel wire to complete the cutting process on the processed parts;
1. The servo hand take-up is selected, and the pay-off command speed is obtained according to the pay-off coil diameter and the set cutting speed actively calculated to ensure the stable take-up speed and complete the perfect wire arrangement.
2. The two lifting servos are coupled with the virtual axis through the speed, and the virtual axis goes down to a feed speed, and then the upper and lower swing cutting function and synchronous cutting function are completed through superimposed instructions
3. The pendulum shaft is controlled by torque to apply a stable tension to the line to maintain the stability of the tension of the line;
4. The servo pay-off is selected, and the pay-off command speed is obtained according to the pay-off coil diameter and PID actively calculated.
5. After the function of the cam, complete the wiring wheel to follow the rewinding and unwinding motor, so that the take-up and pay-off wheel rotates once, and the wiring servo takes a set distance of the wiring;
6. The deviation correction photoelectric on both sides is used to complete the function of active deviation correction;
Customer needs
1. Satisfactory processing power, line speed up to 18M/S;
2. The line tension is stable, and the line is not interrupted during operation;
3. It can be operated immediately after start-up, without messy parameter settings;
4. Accurate line length accounting to avoid wireless shutdown and waste of processing wires;
INVT Plan
INVT launched the VS+AX71+DA200 wire cutting plan, and the medium-sized PLC AX71 and the servo are synchronously controlled through the EtherCAT bus. AX71 medium-sized PLC communicates with the touch screen through EtherNet, and the high-speed communication speed of 100M makes the interaction of the touch screen more smooth.
Program Features:
1. Active calculation of coil diameter: the program uses encoders to actively calculate the diameter of take-up roller and pay-off roller, and the coil diameter is accurate to ensure the stability of the line speed and reduce the requirements for workers;
2. Active deviation correction of the arrangement: after the correction photoelectric and the deviation of the cable shaft, the active deviation correction and active operation are completed;
3. The tension is stable, the tension arm is small, and the diamond wire is broken and the processing surface is smoothed;
4. After-sales protection: less wiring, easy to troubleshoot. The program structure is simple, and the motion control function block omits a large number of accounting operations of small programming PLC, which is convenient for customers to change and protect;
5. Support a variety of cutting methods: multi-stage speed cutting - swing cutting - synchronous cutting, various cutting methods can be switched freely, smooth transition, smooth processing surface is completed, and the product function is better.
INVT's single-wire cutting machine control system plan completely satisfies customer needs, after bus control, customers do not need messy wiring, 23-bit multiturn absolute encoder motor and PID control, boot direct operation, no messy operation; VS touch screen is designed with interactive interface according to terminal operation habits, which completely meets the performance requirements of similar products; The customer is very satisfied with the debugging function, regardless of power or accuracy, and accepts and sends it to the end customer's site.
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