1. introduction
Digital Control Machine Tool, or NC for Numerical Control, is a mechatronic product integrating mechanical, electrical, hydraulic, pneumatic, microelectronics, and information technologies for over 30 years. It is used in machinery manufacturing equipment. With the advantages of high precision, high efficiency, high automation and high flexibility. The level of technological level of CNC machine tools and their percentage in the production and total ownership of Metal Cutting Machine tools are one of the important indicators of a country’s national economic development and the overall level of industrial manufacturing.
Taifeng CNC Machinery Co., Ltd. is a Sino- Taiwan joint venture professional CNC machinery manufacturing company, its production of numerical control equipment has a wide range of applications in many areas, the original company's machine tools are all imported frequency converter, and now has gradually adopted sine 303 series inverter.
This article mainly introduces the application of Sine 303 series inverter in the company's TFDC7060 machine tool, TFDC500 machine tool, TFDC650 and other machine tools:
The CNC lathe is suitable for the processing of carving mold industry, plastic mold industry, footwear industry, watch industry, eyewear industry, hardware industry, trademark industry, toy industry, and handicraft industry. It can realize end face, outer circle, grooving, inner Holes, arcs, and taper at any angle. The spindle part of the lathe adopts sine wave 303 series inverter.
SINE303 series inverter can easily complete the spindle drive control of CNC lathe.
2. SINE303 series inverter features:
1). Field-oriented current closed-loop vector control, completely decoupled motor variables.
2). Using TI's latest high-performance 32-bit motor control DSP, high-speed, accurate completion of complex control algorithms, the first domestic product application.
3). At 0HZ, the starting torque can reach 150% of the rated output, fully meeting the needs of CNC lathes, ensuring that the machine tool has a strong cutting force at low speed and heavy cutting.
4). Automatic identification of motor parameters, online identification of motor parameters to ensure the stability and accuracy of the system.
5). Speed ​​range 0 ~ 600.00Hz fully meet the high-frequency requirements of CNC lathes.
6). Automatically track changes in the load and automatically limit the output current so that it does not exceed the maximum allowable current. Even if the load suddenly changes or rapid acceleration or deceleration occurs, the inverter will not have any fault such as overcurrent or short circuit, and the inverter will have high performance and high reliability. The response is fast and stable at high speeds.
3. Inverter wiring diagram
4. Parameter setting:
5. Debug results
Facts have proved that the use of SINE303 series high-performance vector inverter can fully meet the requirements of the machine tool spindle control. The leading magnetic flux algorithm adopted by SINE303 can smoothly output 150% of torque even under low-speed (low-frequency) operation to meet the machining requirements of different parts, and can completely replace the traditional rolling bearing spindle structure, and the spindle structure is simple. It is compact and can realize true stepless speed regulation. The speed of this spindle is controlled by an external analog signal to control the output frequency. Different machining processes (such as: roughing, finishing, etc.) require different speeds. At this time, the digital control system can output different analog voltage signals to the inverter. The realization of different speeds, at the same time the start-stop signal is also controlled by the numerical control system, which improves the degree of automation and prolongs the service life of the tools.
6. Conclusion
CNC machine tool spindle generally uses AC servo system, imported brand vector control inverter and variable frequency special motor, high purchase cost; SINE303 series inverter with its unique performance (small starting current, speed regulation, speed range, energy saving and environmental protection , stable operation, high precision, low frequency torque, complete protection functions, high reliability, easy operation and maintenance, etc.) and superior cost performance, the rapid rise in the application of CNC machine tools.
Push-out Metal Baler Machine is mainly suitable for steel recovering and processing industries, ferrous and non-ferrous smelt industries:
1) lining plate--Hardox500.
2) bale discharging way is side push-out.
3) designed with quick unit that can improve work efficiency substantially.
4) A new integration design: Avoid secondary installation, convenient for transporation.
5) Hydraulic transmission, compact design, great sealing property.
6) Hydraulic driven with hand-value or PLC, use diesel engine when electrical motor is unavailable.
Horizontal Baler Machine, Mini Baler Machine, Push-out Baling Machine, Bale Compactor
Jiangyin Metallurgy Hydraulic Machinery Factory , https://www.hydraulicn.com