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第62章 轮子的制作(1 / 2)

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云辰在修建夯土墙的时候就算出来如果用背篓运输一方土需要五十到六十背篓才能完成,

十五方土,四十个人每天需要完成二十多趟运输,

土来源只能就近,幸好部落养殖场围墙东侧就是一大片坍塌下来的土坡,那个地方因为地形原因没有制作夯土墙,只能埋入三米高的木墙作为抵挡,外侧高度和内侧高度有差距,正好借着制作夯土城墙的消耗开挖那片土坡,彻底封死那个漏洞

休息了五天的时间,云辰就又召集起来四十人的施工队伍尽快进行施工再有一个来月就要收集麻和柳条了,还有雨季也要来临就要停工了,时间太紧根本来不及夯制,只能利用这不到一个月的时间来尽可能多的收集土,筛选以后对方到墙基旁边等雨季过去以后施工

用柳条筛子将在养殖区东面斜坡用石锛刨出来的土块简单的筛一下,将里面的石块,杂草,草根,枝条等等都挑选出来,

筛出来的土用背篓背到地基旁边堆放成土堆,完全满足第一层需要不低于几百筐的土方量

二十个人刨土,十个人筛土,十个人运土,一天就筛出来二十方土,如果四十人一起挖土一天可以挖出来六十多方,但是那样的后续工作就需要一起完成,难免会积压工作量,这样分开轮流负责每一项可以充分的提高效率

云辰也发现了,如果想提高效率还是得借助工具,什么工具对运输提高的效率最明显呢?当然是车,

独轮车也好,两轮平车都是革命性发明,对工作效率直接直线提升

就是轮子难搞,云辰不会做啊,正好趁着部落现在正在努力开采,云辰就在规划着把车轮给倒腾出来

车轮,圆的,如何获得一个圆形呢?直接砍一段树桩再一蒸二煮,制作成二十公分厚左右的实心木轮,这种木轮虽然能用但是耐久度和效率方面难堪使用

云辰小时候见过爷爷用大水壶烧水的蒸汽包裹木头然后给木条塑形以后,给云辰云木马的情形,他才知道,木头也是用蒸汽充分软化以后给塑形

知道原理了就可以制作相应的工具,首先就是带壶嘴的大烧水壶,云辰捏制了一个有大壶嘴的陶罐,用来加热水产生蒸汽

用揉制好的双层狼皮做成一个可以套在壶嘴上的蒸木头的袋子

还有就是将木头塑形的模具了,圆形坚硬的模具这个时候最靠谱的还是石头,

云辰将一个磨盘的尽可能的打磨圆作为模具的内圆,用磨盘的中心孔将磨盘固定在一颗方形木架子上,磨盘外围是用木头修剪出圆形的外圆,等木头软化以后小掰弯出大致的弧形,在用外圆夹紧木头在内圆上塑形,

塑形完成以后用榫卯结构结合成一个车轮的外轮,且外轮必须足够厚,

还有一种制作外轮的方法就是劈出木板,只用在木板上修剪出外轮的形状,这样就不用蒸汽塑形了

加工器械粗糙,硬件影响了外轮厚度不能低于十公分,再在外轮上凿孔,安装车辐条,用质地最坚硬的木材作为轮毂,

轮毂的制作就有点费脑子了,需要来上面砍伐出相应的车辐条孔还得能承受的住压力,还能不开裂,没有金属加固,使用寿命也堪忧,需要用松油充分浸泡来增加使用效率

制作车轮最好的木头就是铁桦树,部落里库存里刚好有十几颗粗壮的存货,这些都是部落里在砍伐,搬运回来以后,根据材质,长度,形状,分门别类的储存起来的

要想制作木轮得先用粘土捏制出一个模子,再照着模子对木材进行加工,且一个三百六十度的轮子必须分成五块或者七块这种奇数块才能满足承重强度,不对称分布的外轮连接在转动的时候会相应的使得三块相邻拼接外轮廓手里,如果是偶数就会是两块拼接块受力

用粘土捏制出外轮圆弧形,拿出硬木用木锤和石凿一点的修建出大概的轮廓,精细加工就需要打磨和研磨技术来完成了

将大概已经有初步弧度的木块根据木纹理走势,横向在粗糙的大石块表面粗打磨,之后再用石刀精细刮削,最后再顺着纹理把木块表面的毛刺和瑕疵打磨光滑

两段石凿木锤一点点顺着纹理凿出榫卯子母结构,不用钉子也能让木质木质结构牢牢地结合成一个整体

根据所捏制而成的模型,用碳灰在木块上画出所需要形状,忙活了一整天才制作出一块,两端也用石凿凿出榫卯接口,

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