1. A Meaningful Factory Visit
We recently visited the INOPAK bag factory in Mérida, Yucatán, Mexico. During the tour, we had the opportunity to observe their plastic manufacturing and processing operations up close. To our pleasant surprise, we found that their extrusion machines and winding machines are equipped with VEIKONG VFD500 series frequency inverters.
This was an encouraging visit. INOPAK is a professional manufacturer of plastic bags, and its production lines demand high stability and precise control from all equipment. The fact that our products are installed and running continuously in this production environment is a real-world validation of VEIKONG’s quality.
2. Drive Requirements for Extruders and Winders
In plastic bag production, the extruder melts and extrudes plastic raw material into film, while the winder neatly rolls the finished film into rolls. These two critical processes have different demands on drive equipment.
The extruder requires constant torque output and long-term continuous operation stability. Any unplanned stop interrupts the entire production line, causing material waste and efficiency losses. The winder, on the other hand, demands precise speed and tension control. As the roll diameter increases, the motor speed must automatically adjust to maintain constant line speed and tension. Otherwise, the film may stretch unevenly or wind loosely.
These operating conditions demand high reliability, precise control, and good overload capacity from the drive — all strengths of the VFD500 series.
3. Advantages of VFD500 in Plastic Industry Applications
The VFD500 series has performed excellently on both extruders and winders at INOPAK, thanks to the following core advantages:
Stable and reliable continuous operation. Plastic bag production lines typically run 24 hours a day with shift rotations. The VFD500 uses high-grade IGBT modules, long-life capacitors, cooling fans, and other key components, with a design life of up to ten years. At INOPAK, our inverters have proven themselves under these demanding continuous operation conditions.
Precise speed and tension control. The VFD500 supports high-precision V/F control and sensorless vector control, enabling accurate motor speed regulation. For the winder, this means that as the roll diameter changes, the inverter automatically adjusts the output frequency to maintain constant line speed and tension, ensuring consistent winding quality.
Excellent overload capacity. During plastic processing, extruders may encounter instantaneous load fluctuations during startup or operation. The VFD500 offers 150% rated current for 60 seconds, comfortably handling these transient loads and preventing unexpected shutdowns.
Comprehensive protection features. Plastic factory environments typically present challenges such as dust and temperature variations. The VFD500’s independent air duct design effectively prevents dust ingress, while multiple protections including overvoltage, overcurrent, and overtemperature ensure automatic protective actions under abnormal conditions, safeguarding the production line.
4. The Customer’s Choice Speaks for Itself
During the visit, the technical team at INOPAK shared that they chose VEIKONG not just for cost-effectiveness, but because of the stability and reliability our products demonstrate in actual operation. In a facility that operates 24/7, equipment stability is productivity — and productivity drives profitability.
We noticed that both the extruders and winders at INOPAK run continuously for extended periods. Any inverter failure would mean a complete production line stoppage. The fact that VEIKONG products have been working reliably in these critical positions for a long time confirms that our quality control and technical standards have been validated by real production experience.
5. Commitment to Quality and Service
VEIKONG offers a 24-month warranty on the VFD500 series. Behind this warranty stands a comprehensive quality management system. From component selection to factory testing, every step follows ISO9001 standards. Our products have earned international certifications including CE and IEC, with performance reaching advanced global standards.
In the Mexican market, VEIKONG not only provides reliable products but also works with local partners who offer technical support and after-sales service to end users. This visit to INOPAK is a clear example of how we stay closely connected with our customers and continuously monitor product performance in the field.
6. Conclusion
From China to Mexico, from extruders to winders, VEIKONG VFD500 series frequency inverters are running stably on production lines around the world. The case of INOPAK bag factory once again demonstrates that VEIKONG products meet the demanding requirements of the plastics industry for drive equipment.
We will continue to expand our presence in global markets, helping more manufacturers achieve efficient and stable production through reliable products and professional technical service.
Also read: VEIKONG Drives Proven in a Real Industrial Salt Plant in Mexico