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第131章 车床

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众人都是期盼看着,特别张出逊睁大眼睛,腼腆清秀的脸上满是紧张。龙腾小说网ltxsba.com

他几兄弟的火器都是他钻膛,他两个哥哥更多是帮工,从很久以前,铳管钻偏问题就一直困扰着他。

杨相公曾言过,这问题出在钻头上,要解决很简单,当时他含笑不语,现在终于说了。

他紧张看着,一颗心七上八下的。

他看着杨相公在木板上作画,慢慢成形,最后画出一副钻头的形状。

这是……

张出逊的眼神凝固了。

李天南一样睁大眼睛。

他自认自己打造火铳的技艺,在佛山一片也是排得上号的,然钻膛之弊病,也一直困扰着他。

经常钻着钻着,整根铳膛就废了。

而且他还没有苏钢钻头,用低碳钢材料的堕子钢,进度缓慢,慢慢干活,一个月打制一根鸟铳。

甚至很多工匠不如他,钻膛是钻到一半,翻过来再钻另一半。

听说有一直钻,不担心钻偏的钻头样式,自然是睁大眼睛看。

此时他盯着杨相公画出来的钻头形状,喃喃道:“这就不会钻偏了?”

杨河提着铅笔,笑道:“不错,用这单面钻头,就可以解决铳管钻偏的问题!”

看张出逊与李天南面露非常激动的神情,他笑了笑,这两个年轻人,可以好好培养。

毕竟年轻,可塑性强,本身他们技艺也非常不错。

而要解决铳管钻偏的问题,确实很简单,将菱形结构改为单面钻头结构,一种简单的物理原理罢了。

当然原理再简单,这窗户纸不点透的话,可能数百年上千年,也没人会想到这上面去。

事实到了清末,很多地方的工匠仍用菱形钻头,印第安人几千年历史,早有了车轮的雕塑玩具,就是想不到发明推车用的轮子。

对着这单面钻头结构讨论良久,杨河吩咐张出逊先用普通堕子钢打造一副这样的钻头,试用后,若可行的话,再用苏钢打制,以后钻头也皆是此标准的单面结构。

张出逊激动的答应了,他迫不及待的想试试。

张出恭在旁看着,一样心下激动,相公将此等绝密技艺相授,自己等更得尽心戮力做事。

杨河决定先打制六副单面钻头,暂时张出逊与李天南各用一根,余者几副备用与更换。

钻膛是技术活,普通铁匠却是行不通,不过他们可以打制铳管与别的零配件。

铳管直接用多炼好铁打制的话,也就是一天之内的事,郁铁匠等人一样可以参与打制。

熟铁板直接卷合膛管并不困难,技术含量不是那么高,很多铁器的打制比铳管还困难,郁铁匠等人毕竟是几十年技艺的老铁匠,就算没打制过铳管,张出逊等人带一段时间,熟悉后就可以了。

这样几个铁匠按标准打制铳管与零部件,打磨铜栓,张出逊与李天南钻膛,一个月一百杆新安铳是很轻松的。

杨河还设计一种车床,使各项工具汇集一体,让打磨钻膛更为的便利。

依杨河的估计,基本半天就可以钻膛一根。

这样张出逊与李天南二人,一天就可以钻四根的铳管。

……

“这是?”

众人看着杨相公又在另一块木板上画的器械图案。

看那上面的器械图,颇类似一种床式的结构,然后上面有床架,有钻头,有移动台,有固定槽,还有种种类类的附件加工台等。

众人都是紧盯着看,张出恭与张出逊特别关注上面的钻头,却是换成了曲摇柄,与他们往日所用钻头使力颇为不同,而且上面的钻头似乎是固定不动。

毕竟杨河的素描功底还是很深的,图案部件画得非常精准到位,一眼就可以看到这个状况。

看钻头对面,还有一个固定槽,上面夹着一根铳管样子的图案,图案边上还有着示意的虚线头,意思是钻管时,是铳管向这边移动,而不是钻头。

这个……

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