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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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Seprays depaneling machines — trusted by over 3,000 industry leaders worldwide.
News
PCB Depaneling Insights & Manufacturing News
Can PCB Milling Depaneling Be Automated?
This question comes up frequently when manufacturers move from manual or semi-automatic separation toward higher throughput and more stable quality. The short answer is yes—PCB milling depaneling can be automated. The more useful answer is how far automation really goes, and when it actually pays off. 🤖 What “Automation” Means in PCB Milling Depaneling Automation does not mean just adding a conveyor. In real production, automated PCB milling depaneling usually includes: The goal is not speed alone, but repeatability and reduced human dependency. 🧩 Why Manual Milling Still Exists Many factories still rely on manual or semi-automatic milling depaneling because: Manual systems offer flexibility, but they also introduce operator-to-operator variation, which becomes a bottleneck as volumes rise. ⚠️ Pain Points
From Seprays Group to the World: Happy Lantern Festival and Warm Wishes for the Year Ahead
🏮 Lantern Festival The Lantern Festival marks a moment of reunion and reflection at the first full moon of the lunar year. On this special day,we eat glutinous rice balls (Tangyuan) 🥣 — a symbol of unity and completeness,and watch beautiful lanterns ✨ lighting up the night with hope and joy. At Seprays Group, we believe shared traditions help connect people across cultures and borders. May the full moon bring yousweetness, warmth, and togetherness,and may the year ahead be filled with clarity, progress, and success. 🌕 Happy Lantern Festival! WhatsApp: +8618929266433 E-mail: sales@seprays.com
How Accurate Is PCB Saw Depaneling?
This is one of the first questions engineers ask when evaluating depaneling methods for volume production. Saw blade depaneling is widely used in SMT lines, especially for standard FR4 panels—but accuracy is often misunderstood. The short answer: PCB saw depaneling is accurate enough for many mass-production boards, but it has clear limits. Understanding those limits is what prevents quality issues later. 🧭 What “Accuracy” Really Means in Saw Depaneling Accuracy in saw depaneling is usually discussed in two ways: Repeatability is strong. Once operators set the parameters correctly, the machine delivers the same cut every time. Absolute accuracy, however, depends heavily on panel design, blade condition, and setup discipline. This distinction matters more than many buyers expect. ⚙️ Why Saw
Does Laser PCB Depaneling Meet Mass Production Demands?
This question comes up frequently as electronics move toward higher density, thinner materials, and stricter reliability requirements. Laser depaneling is often associated with precision and flexibility—but can it really keep up with volume manufacturing? The short answer: yes, but only under the right conditions. This article looks at where laser depaneling works well in mass production, where it struggles, and how manufacturers are using it today. ⚡ Why Manufacturers Are Even Considering Laser Depaneling Laser PCB depaneling wasn’t originally developed for high-volume lines. It gained traction because traditional mechanical methods introduced stress, vibration, and design limitations. Today, the drivers are clear: For many engineers, the question isn’t about precision anymore—it’s about throughput and cost control. 🧠 What Laser Depaneling Actually
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