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分条 · 毛刺 · 刀隙 · 加工

分条毛刺怎么控:刀隙、刀口与张力三件事

不锈钢分条毛刺主要来自刀隙、刀口磨损与张力波动。刀隙通常按料厚的 5%–8% 调整,并配合来料与设备状态综合控制。
分条(slitting)后的毛刺高度直接影响后续冲压、焊接与外观。控制毛刺,核心是三件事:
1) 刀隙(clearance):通常按料厚的 5%–8% 设定,硬态、厚料偏小,软态、薄料偏大;刀隙不均可造成单侧毛刺偏大。 2) 刀口状态:上下刀磨损、崩刃会直接放大毛刺,需要按产量与材质定期换刀/修磨,并记录刀口状态。 3) 张力与对中:张力波动、跑偏会造成边缘波浪与毛刺不均,收卷前检查对中与卷取张力。
其他影响因素:
• 来料板形与厚度公差:楔形、边浪会改变实际刀隙; • 材质与硬度:304 软态与 301 硬态的最佳参数不同; • 速度:速度过高会加剧磨损与毛刺。
验收建议:约定毛刺高度上限(例如 ≤ 料厚的 5%)、检测位置与频次,并在首件与换刀后加严检查。
遇到毛刺问题,先查刀隙与刀口,再查张力与来料,通常能快速定位。
Compiled by SteelWe editors and industry experts. For industry exchange only; not trading or investment advice. Cite the source when quoting.
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