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第343章 珠宝设计专业的展示(3)(2 / 2)

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观众们就见八面对称的壶身,以及壶嘴、壶柄等结构渐渐显现出来,并且每个面上还都刻有不同的祥瑞纹饰。

最后,去掉盖在壶身上的八角盖以及玉石锁链上的胶体,然后再次不厌其烦地上胶,将他们牢牢固定在壶身一侧,而后便开始了掏空壶体内部的工序。

有人说,考虑到这块翡翠体量较大,所以内部掏出的紫翡圆柱体也能开出很多镯子,

不过最后这部分被做成了一对与这个紫翡八角壶配套的紫翡杯子……

掏空壶体内部后,其实就来到了更难的一道工序:

给壶嘴开通往壶体内的出水通道……

内外交替对着钻透,没问题;

最后像隧道对向施工一样相互连接起来,构成连通器,能出水,这也没问题;

彭老师他们将紫翡八角壶拿在手中,装满水,甚至能透过冰糯种壶壁看到内部晃动的清水……

当他们在镜头前尝试倒水时,水能流畅的流出,而且壶盖上的通气孔只要用拇指按住,因为大气压强的关系水流就会瞬间停止,这证明八角壶盖与壶体相结合处虽然可以保证流畅的打开闭合壶盖,但精度却足够严密。

要知道壶盖和壶身可是个八边形,并不是更易通过旋转来打磨加工的圆形,

即便是古代的简易脚踏式木质车床,也可以更方便地打工、打磨圆柱形物体,如果换成而八边形或者说立体的八面体,那就得靠匠人用手工一点点研配每个边角,然后一遍遍尝试气密性了……

到这儿,这尊紫翡玲珑八角壶其实还没搞定最关键的部分,因为一把好壶看的不仅是壶盖与壶身相结合处的气密性,用拇指盖住通气孔是否能自由控制出水情况,还要看出水的水柱形态……

是的,这其实又涉及了流体力学……

一把好壶讲究出水时,水柱形成一个完美的弧形,水柱不扭曲、不断裂变成花洒式的形态……

于是,后续就是他们反复小心打磨调整壶嘴边沿和内部水道的形态及水道内壁光滑度,

这一步耗费的时间,甚至比之前加工壶体、壶盖、连接壶盖与壶体的玉石锁链耗时还长!

事实上,在最初设计的时候,他们就已经考虑过这个问题,甚至还用一整块倒模出来的塑料先雕刻出实体模型,还去找了物理老师,问水道如何设计才能让流出的水柱像是一根完美的弧形玻璃柱……

按照前期做过的功课反复细微调整多次后,这把紫翡壶终于达到出水时即便将壶拉高到距离水杯半米远位置,水柱依然能够呈现完美弧度,不扭曲、不断裂!

未完待续……

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