CNC-Routed Imprinting Rollers
CNC 雕刻自制压印辊
标签：CNC雕刻, 压印辊, 高度图, 纹理放大
母本纹理太小或太浅时，用 CNC 雕刻机按扫描数据放大复制：纹理照片转灰度高度图，CAM 设 60° V 形刀、步距 0.1–0.2 mm，在 30×60 mm 黄铜辊坯上雕刻，单辊加工 40–80 min、纹理深 0.3–0.6 mm。雕后 400 目砂纸轻抛去毛刺，装入手动轧机即可压印。相比外厂开钢模动辄数千元，自刻辊成本不足百元，适合小批量与纹样试错；改用不锈钢坯则需硬质合金刀并把进给减半。
When a found texture is too small or shallow, scale it up with a CNC router: convert a photo to a greyscale height map, cut a 30×60 mm brass roller blank with a 60° V-bit at 0.1–0.2 mm stepover, 40–80 min per roller, texture depth 0.3–0.6 mm. Debur with 400-grit, mount in a manual mill and press away. A self-routed roller costs under ¥100 versus thousands for trade steel dies—ideal for short runs and iteration; stainless blanks need carbide tools and halved feed.