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About Seprays
Founded in Taiwan in 1993, Seprays focuses on technological R&D and innovation. In 2002, it established a branch in Dongguan (upgraded and reorganized into a subsidiary in 2013), fully responsible for R&D, production, sales, and after-sales technical training services, ensuring rapid response and comprehensive support to customer needs. To further expand production, in 2003, it purchased nearly 20 acres of land in Zhejiang Province and established a 20,000 square meter modern industrial plant, increasing production capacity and manufacturing capabilities.
Seprays has been dedicated to the PCB/FPC depaneling field for over 30 years. Its main products include milling cutter depanelers, laser depanelers, V-groove depanelers, and stamping depanelers, as well as automated loading and unloading solutions for the front and rear ends of depaneling, including plate placement. It is a high-tech enterprise integrating R&D, production, sales, and service.
Seprays provides a complete line of equipment services to Fortune Global 500 and China’s Top 500 companies, including Foxconn, Flextronics, State Grid, Luxshare, Compal, Wistron, Bosch, China Electronics, Quanta Computer, CRRC Corporation Limited, China Aerospace Science and Technology Corporation, OPPO, and ZTE, as well as small and medium-sized enterprises. Seprays’ complete panel separation lines are widely used in factories both domestically and internationally.
The company is ISO9001, ISO14001, and ISO45001 certified, holds CE certification, and owns over 100 hardware and software patents. It operates two modern factories covering over 26,000 square meters in mainland China and has service locations in nine cities across China, providing nationwide after-sales service. Sales and service locations in 31 countries worldwide provide timely customer service.
Service For Global
PCB Depaneling Total Solution
31
Countries & Regions
32
Years of experience in SMT industrial equipment manufacturing
180+
Patents & Certificates
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PCB Depaneling Insights & Manufacturing News

Best PCB Depaneling Machines for EV and Automotive Electronics Manufacturing
Best PCB depaneling machines for EV and automotive electronics manufacturing—this isn’t just about equipment choice. It’s about reliability under harsh conditions, long product lifecycles, and zero tolerance for failure. In automotive electronics, even a small defect introduced during depaneling can lead to serious downstream risks. So the question becomes practical: which machines actually meet these demands? 🚗 Why Automotive PCBs Are Different Automotive and EV applications are not typical consumer electronics. They involve: Depaneling here is not just separation. It’s a quality control point. Any stress, burr, or micro-crack can compromise long-term performance. ⚙️ Key Challenges in EV PCB Depaneling From real production environments, several issues appear repeatedly: These are not isolated problems. They directly impact yield, cost, and delivery

Seprays Group: Which PCB Depaneling Method Causes the Least Stress?
Which PCB depaneling method causes the least stress? For engineers and production managers, this question often arises when dealing with sensitive PCBs. In SMT manufacturing, edge cracks, micro-stress, and component damage can lead to rework, delays, and higher costs. Choosing the right depaneling technique is critical to maintain quality and throughput. 🔧 Understanding Stress in PCB Depaneling Stress in depaneling arises from mechanical force, vibration, or heat. Methods like sawing and punching physically push the board, which can: Reducing these stresses is essential for fragile, high-density, or multi-layer PCBs. ⚡ Comparing Common Depaneling Methods Not all methods affect boards the same way. Here’s a practical overview: Method Stress Level Best Use Case Speed Cost Notes Saw Blade Medium Straight-line V-groove

Join Us at Productronica China 2026
The global electronics manufacturing industry continues to evolve rapidly, driven by increasing demands for precision, efficiency, and automation. As one of the leading events in this field, productronica China brings together innovators, engineers, and manufacturers worldwide. In 2026, SEPRAYS and Genitec will be present at this important exhibition, showcasing advanced solutions designed to address real challenges in SMT production environments. 📍 Where to Find Us We invite you to visit us at: Whether you are exploring new technologies or looking to optimize your current production line, our team will be ready to discuss practical solutions tailored to your needs. ⚙️ What We’ll Be Showcasing At the booth, we will present our latest precision PCB depaneling solutions for SMT manufacturing. These

What Problems Can Saw Blade PCB Depaneling Solve in SMT Manufacturing?
What Problems Can Saw Blade PCB Depaneling Solve in SMT Manufacturing? It’s a question that often comes up when production lines start pushing for higher output but run into bottlenecks at the depaneling stage. In real factory environments, the issue is rarely about technology alone—it’s about stability, cost, and keeping the line moving. 🔍 The Hidden Bottleneck in SMT Lines In SMT manufacturing, most attention goes to placement accuracy and reflow quality. But once boards come off the line, depaneling becomes the next critical step. Common issues include: Saw blade depaneling addresses these problems with a straightforward approach. It keeps things predictable. ⚙️ Solving Throughput Pressure High-volume SMT lines don’t wait. If depaneling can’t keep up, everything backs up. Saw
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