At Quanwei Machinery (Jiangsu) Co., Ltd., we believe that a company’s strength lies not only in its high-quality products but also in its respect for traditions and care for its team. As one of China’s most important traditional festivals, Qingming Festival (Tomb-Sweeping Day) is approaching, and we are pleased to share the origins and customs of this meaningful festival, along with our company’s holiday arrangement, to convey our gratitude to every employee and partner.         Qingming Festival, usually falling on April 4th or 5th each year, has a history of over 2,500 years. Its origin can be traced back to the Spring and Autumn Period, initially as a festival to honor Jie Zitui, a noble man known for his loyalty and selflessness. Over time, it has evolved into a comprehensive festival that combines reverence for ancestors, commemoration of the deceased, and celebration of spring’s arrival. It is a time when Chinese people express their nostalgia for loved ones and embrace the vitality of the new season, reflecting the traditional values of filial piety, gratitude, and harmony with nature.     There are many time-honored customs associated with Qingming Festival, which have been passed down through generations and are still practiced today. The most core custom is tomb-sweeping: families gather to clean the tombs of their ancestors, offer flowers, fruits, and other sacrifices, and pay their respects to express their remembrance and gratitude. Another popular custom is spring outing, as Qingming coincides with the blooming of flowers and the recovery of all things—people go outdoors to enjoy the fresh air, appreciate the beautiful scenery, and feel the vitality of spring. Additionally, eating qingtuan (a glutinous rice cake wrapped in mugwort leaves) is a traditional food custom, symbolizing purity, peace, and the hope for a good harvest.     At Quanwei Machinery, we attach great importance to inheriting traditional culture and caring for the work-life balance of our employees. We understand that Qingming Festival is a precious time for our team members to reunite with their families, honor their ancestors, and enjoy the spring scenery. Therefore, we are pleased to announce that our company will observe a 2-day holiday for Qingming Festival.      While we take time to honor traditions and rest, we also want to express our sincere gratitude to our global partners for their long-term trust and support. Quanwei Machinery has always adhered to the concept of "integrity, innovation, and people-oriented", and we believe that respecting traditions and caring for our team will enable us to move forward more steadily and provide better services to our partners around the world.     As we celebrate Qingming Festival, we look forward to the arrival of spring, the renewal of all things, and the continued growth of our cooperation with you. May this festival bring peace, happiness, and warmth to you and your family. We will return to work with full energy after the holiday, continuing to provide professional and reliable pneumatic solutions for the global manufacturing industry.      

06 2026.04

  As the first ray of morning sunlight breaks through the horizon and spills over the factory campus of Quanwei Machinery (Jiangsu) Co., Ltd., the quietness of the early hours is gently broken by the sound of workshop doors sliding open. One by one, our skilled workers, dressed in neat work uniforms, walk into the production workshop with a sense of purpose and dedication. They greet each other with a simple nod, a silent acknowledgment of the day’s shared mission—crafting reliable, high-quality screw air compressors that live up to the trust of our global customers. This is not just a daily routine; it is a commitment to excellence that has been woven into the fabric of our company’s culture, day after day, year after year.         The workshop soon comes alive with the steady hum of machinery, the crisp clink of tools, and the focused energy of our team. Every worker takes their position with meticulous care: some carefully inspect the raw materials and components, running their fingers over the surfaces to check for even the tiniest imperfection; others operate precision equipment with steady hands, adjusting dials and controls with the kind of expertise that only comes from years of practice; still more assemble each part with patience, ensuring that every bolt is tightened to the exact specification, every connection is secure, and every detail is in place. There is no hurry, no carelessness—only a quiet determination to get every step right.     For our workers, this is more than just a job; it is a source of pride. They understand that the air compressors they build will be used in factories, workshops, and production lines around the world, powering critical operations and supporting businesses of all sizes. A single mistake, no matter how small, could lead to equipment failure, production delays, or even safety risks for our customers. That is why they take nothing for granted. Before moving on to the next step, they double-check, triple-check, and even verify with their colleagues—ensuring that every component is up to standard, every assembly is precise, and every test is passed with flying colors.     You can see this dedication in their eyes: the concentration as they measure and adjust, the care as they handle delicate parts, the satisfaction as they complete a perfect assembly. Sweat glistens on their foreheads as they work tirelessly, not because they have to, but because they want to. They know that their hard work is not just for themselves, but for the reputation of Quanwei Machinery, and for the trust of the customers who rely on our products. Even when the work is repetitive, even when the hours are long, they never lose sight of their goal—to build air compressors that are stable, durable, and reliable, machines that our customers can count on day in and day out.     Quality control is not just a process at Quanwei; it is a mindset that every worker embodies. From the moment raw materials arrive at our factory to the final inspection before shipment, every link in the production chain is subjected to strict scrutiny. Our workers do not just follow procedures—they uphold them, refine them, and take ownership of them. If a potential issue is spotted, no matter how minor, they stop, address it, and ensure it does not affect the final product. This level of attention to detail is what sets us apart, and it is what makes our air compressors stand out in the global market.     We often say that a company’s strength lies in its people, and at Quanwei Machinery, this could not be more true. Our production team is the backbone of our business—skilled, dedicated, and committed to excellence. They are the ones who turn designs into reality, who transform raw materials into reliable machines, who ensure that every product that leaves our factory meets the highest standards of quality. Their sweat, their focus, their unwavering commitment to doing things right—these are the ingredients that make Quanwei a trusted name in the pneumatic solutions industry.     As the day draws to a close, the workshop gradually quiets down. Our workers finish their tasks, clean their workstations, and reflect on the day’s achievements. They leave the factory knowing that they have done their best, that they have contributed to something meaningful, and that their hard work will help our customers succeed. This is the spirit of Quanwei—hard work, dedication, and a relentless pursuit of quality.     To our global customers: every air compressor you receive from Quanwei is not just a machine. It is the result of countless hours of careful work, the product of our workers’ sweat and dedication, and a testament to our commitment to excellence. We are proud of our team, proud of the work they do, and proud to deliver products that you can trust. Because at Quanwei Machinery, we do not just build air compressors—we build reliability, one careful step at a time.       ＋WhatsApp:＋86 18913182127 ＋WeChat：18913182127 E-mail:aircompressor@taiwanquanwei.com   Could you please inform me of the following basic parameters in the email so that I can provide you with a better quotation: • Voltage • Frequency (Hz) • Motor Power • Pressure • Flow Rate

12 2024.07

Dalam beberapa tahun terakhir, frekuensi variabel kompresor udara telah memainkan peran penting dalam pasar kompresor udara karena sifat hemat energinya yang baik. Meski begitu, masih banyak pengguna yang belum mengetahui perbedaan antara kompresor udara frekuensi variabel dan kompresor udara frekuensi daya. Faktanya, perbedaan utama antara kompresor udara frekuensi variabel dan kompresor udara frekuensi industri adalah sebagai berikut:1. Tekanan udara stabilKompresor udara frekuensi variabel memanfaatkan fitur pengaturan kecepatan stepless pada konverter frekuensi. Ini dapat dimulai dengan lancar melalui pengontrol atau pengatur PID di dalam konverter frekuensi. Ini dapat dengan cepat menyesuaikan respons terhadap situasi di mana konsumsi udara sangat berfluktuasi.2. Tidak ada dampak saat startup. Konverter frekuensi itu sendiri memiliki fungsi soft starter. Arus pengasutan maksimum berada dalam 1,2 kali arus pengenal, sedangkan pengasutan frekuensi daya umumnya lebih dari 6 kali arus pengenal. Dibandingkan dengan frekuensi variabel, dampak awalnya sangat kecil. Dampaknya tidak hanya pada jaringan listrik, tetapi juga pada keseluruhan sistem mekanis akan sangat berkurang.3. Kontrol aliran variabel. Konverter frekuensi kompresor udara frekuensi variabel menyesuaikan kecepatan motor secara real time sesuai dengan konsumsi udara aktual untuk mengontrol volume pembuangan. Oleh karena itu, kompresor udara frekuensi variabel dapat bekerja pada rentang volume buang yang relatif luas.4. Catu daya AC memiliki kemampuan beradaptasi tegangan yang baikKarena teknologi modulasi berlebih yang digunakan pada konverter frekuensi, ketika tegangan catu daya AC sedikit rendah, ia masih dapat menghasilkan torsi yang cukup untuk menggerakkan motor; bila tegangan sedikit lebih tinggi, tidak akan menyebabkan tegangan keluaran ke motor terlalu tinggi;Untuk kesempatan pembangkitan sendiri, penggerak frekuensi variabel dapat menunjukkan kelebihannya dengan lebih baik;Menurut karakteristik motor VF (kompresor udara frekuensi variabel beroperasi di bawah tegangan pengenal dalam keadaan hemat energi), efeknya jelas terlihat pada lokasi dengan tegangan jaringan rendah.5. Kebisingan rendah. Sebagian besar kondisi kerja sistem konversi frekuensi lebih rendah dari kecepatan pengenal. Kebisingan mekanis dan keausan pada host berkurang, sehingga secara efektif memperpanjang waktu perawatan dan masa pakai.

03 2023.10

Frekuensi variabel magnet permanen kompresor udara adalah banyak digunakan di berbagai industri karena efisiensi energi dan kinerjanya yang unggul. Namun, satu masalah umum yang dihadapi dengan mesin ini adalah pembuangan panas yang tidak memadai. Dalam artikel ini, kami akan menyelidiki alasan di balik masalah ini dan mencari solusi potensial.1. Desain Sistem Pendingin yang Tidak Memadai:Desain sistem pendingin memainkan peran penting dalam menjaga tingkat suhu optimal di dalam kompresor udara frekuensi variabel magnet permanen. Jika sistem pendingin tidak dirancang dengan tepat atau tidak memiliki komponen yang diperlukan, seperti kipas, unit pendingin, atau radiator, pembuangan panas dapat terganggu. Hal ini dapat menyebabkan kompresor menjadi terlalu panas dan menurunkan kinerjanya secara keseluruhan. 2. Aliran Udara Tidak Memadai:Aliran udara yang tidak memadai di sekitar kompresor dapat menghambat pembuangan panas. Hal ini dapat terjadi karena pemasangan yang tidak tepat atau terhalangnya ventilasi udara. Ketika aliran udara terbatas, panas yang dihasilkan oleh kompresor tidak dapat terbawa secara efektif sehingga menyebabkan suhu meningkat dengan cepat. Perawatan rutin dan memastikan ventilasi yang baik dapat membantu mengatasi masalah ini. 3. Pelumasan yang Tidak Memadai:Pelumasan sangat penting untuk kelancaran pengoperasian kompresor. Pelumasan yang tidak memadai dapat menyebabkan peningkatan gesekan dan timbulnya panas, sehingga menyebabkan pembuangan panas yang buruk. Sangat penting untuk mengikuti pedoman pabrikan mengenai frekuensi pelumasan dan memastikan penggunaan pelumas berkualitas tinggi untuk meminimalkan gesekan dan menjaga pembuangan panas yang optimal. 4. Operasi Berlebihan atau Berkelanjutan:Membebani kompresor secara berlebihan atau menjalankannya terus menerus melebihi kapasitas yang ditentukan dapat berdampak signifikan terhadap pembuangan panas. Kompresor yang terus-menerus terkena beban berat akan menghasilkan panas berlebihan yang melebihi kapasitas pendinginannya. Hal ini dapat mengakibatkan panas berlebih dan potensi kerusakan pada kompresor. Mematuhi batas beban yang disarankan dan membiarkan kompresor beristirahat secara berkala dapat membantu mencegah penumpukan panas. 5. Faktor Lingkungan:Lingkungan di mana kompresor beroperasi juga dapat mempengaruhi kemampuan pembuangan panasnya. Suhu lingkungan yang tinggi, kualitas udara yang buruk, atau lingkungan yang berdebu dapat menghambat proses pendinginan. Pembersihan kompresor secara teratur, memastikan ventilasi yang baik, dan menjaga kebersihan area sekitar dapat membantu mengurangi faktor lingkungan ini. Kesimpulan:Pembuangan panas yang tidak memadai pada magnet permanen kompresor udara frekuensi variabel dapat menyebabkan penurunan efisiensi, peningkatan konsumsi energi, dan potensi kerusakan pada peralatan. Dengan mengatasi faktor-faktor yang disebutkan di atas, seperti menyempurnakan desain sistem pendingin, memastikan aliran udara yang baik, pelumasan, manajemen beban, dan menjaga lingkungan pengoperasian yang sesuai, pengguna dapat meningkatkan efisiensi pembuangan panas dan memperpanjang umur kompresor mereka. Perawatan rutin dan kepatuhan terhadap rekomendasi pabrikan sangat penting untuk memastikan kinerja dan keandalan yang optimal.