Spinning for Museum Vessel Replicas
博物馆器物复刻中的旋压应用
标签：博物馆复刻, 器物, 做旧, 展陈
博物馆对残损铜器的等比例复刻常用旋压打底：按三维扫描数据车制铝或环氧芯模，0.9–1.2 mm 紫铜旋至壁厚差 0.05 mm 内，再做旧衔接——复刻件统一用稀硫化钾（0.3 vol%）+ 氨熏复合做旧，与原件色差 ΔE < 8 即可接受。与铸造复刻相比，旋压复刻重量轻 40%、周期缩短一半，特别适合供观众触摸的展陈教育件。
Museum replicas of damaged copper vessels often start with spinning: an aluminium or epoxy chuck turned from 3D scan data, 0.9–1.2 mm copper spun to within 0.05 mm wall variation, then aged with dilute K₂S (0.3 vol%) plus ammonia fuming to ΔE < 8 against the original. Versus casting, spun replicas are 40% lighter and take half the time — ideal for handling exhibits. ---