AC Brushless Impact Wrench

The Dongcheng AC Brushless Impact Wrench is a heavy-duty tool engineered for professional and industrial applications. It breaks through industry-wide technical barriers to become the world's first AC brushless tool to exceed 1500 N·m of output torque. It not only delivers exceptional performance with high strength and immense torque but also features system-level optimizations in its structure, handling, durability, and safety. This tool successfully fills a critical gap in Dongcheng's professional-grade AC impact wrench portfolio. Designed specifically for demanding tasks such as high-strength assembly, heavy machinery maintenance, and construction, it achieves a superior balance between lightweight design, safety, and lifespan, making it a flagship product that marks Dongcheng's advance into the high-end tool market. This product is not a simple upgrade to existing AC wrenches but a systematic and innovative integration of structural, electronic, and material advancements. It overcomes the common drawbacks of traditional brushed AC tools, such as short lifespans, frequent maintenance, and poor safety. The wrench utilizes a high-efficiency brushless motor platform paired with an in-house developed intelligent PCB control system. This enables a suite of smart functions including soft start, electric brake, low-voltage protection, and stall protection, which not only ensures stable power output but also significantly enhances user safety. Furthermore, it introduces a "Reverse Auto-Stop" mechanism, addressing the critical industry pain point of bolts falling during overhead work and improving both operational control and occupational safety. The exterior design continues Dongcheng's signature robust and powerful style, with a form that is both clean and dynamic. The body's profile is constructed from a series of faceted surfaces, creating a solid and powerful "mass of strength" while the interplay of light and shadow generates a rich, layered look, conveying the tool's ethos of "Efficiency, Durability, and Reliability." The color scheme features Dongcheng's iconic brand blue, complemented by metallic gray and black accents for a high-contrast visual impact. Key functional areas are highlighted in red for intuitive recognition and operation.