A precision tool component used in bending machines to apply force and shape sheet metal or other materials into specific angles and forms.
The Bending Punch is a critical component within a Bending Tool Assembly, typically mounted on the upper ram of a press brake or bending machine. It functions as the male die that descends to press material against a corresponding female die (V-die), creating controlled plastic deformation to achieve precise bends. Its geometry, including tip radius, angle, and length, directly determines the bend radius, angle accuracy, and material springback characteristics. Modern punches are engineered for high wear resistance, minimal deflection under load, and compatibility with automated tool changing systems.
诱因 → 失效模式 → 工程缓解
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The tip radius directly controls the inner bend radius of the workpiece. A smaller radius produces a sharper bend, while a larger radius creates a more rounded bend. It must be selected based on material thickness and type to avoid cracking or excessive springback.
The punch angle (e.g., 85° vs. 90°) is designed to compensate for material springback. Using a slightly acute angle (like 85°) allows the material to spring back to the desired final angle (often 90°) after the punch is retracted, ensuring accuracy without over-bending.
Interchangeability depends on the tool clamping system (e.g., European-style vs. American-style) and shank dimensions. While standardized lengths and heights (per ISO/DIN) aid compatibility, always verify machine-specific tolerances and clamping mechanisms before interchange.
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CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。
说明目标数量、应用场景、交期和关键技术要求，用于准备 RFQ 或供应商评估。