良渚文化玉璧制作工艺初探

Preliminary Study on Crafsmanship of Jade Bi of Liangzhu Culture

中国江南水乡文化博物馆馆藏有16件出土良渚文化玉璧,通过其制作工艺进行研究,结果表明良渚文化玉璧的制作需要经过开料、成形、钻孔、打磨和抛光等各道工序。开料采用线切割的方式;外缘的成形是先将片状玉料切割成方形,然后逐渐倒角、磨圆;中孔由管钻借助解玉砂对钻而成;打磨有粗磨、细磨之分,打磨工具本身含有固定的砂粒;抛光用的是细小的散砂。

There are 16 pieces of unearthed jade Bi（disc） Liangzhu Culture collected in Chiangnan Watery Region Culture Museum.Through the study of its craftsmanship, the production process should include：a. cutting：to use a method of wire cutting; b.forming：to cut into square first ,then chamfered, then round; c. drilling： to drill from two opposite sides with a pipe and powder sands; d.grinding： to grind coarsely and finely with sands; e.polishing：to fulfill with tiny powder sands ;etc.