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魔界狂想曲- 第一三七零章 蒸汽機模型機(三)-玄幻奇幻-萬花小說
当前位置:萬花小說>书库>玄幻奇幻>魔界狂想曲> 第一三七零章 蒸汽機模型機(三)

第一三七零章 蒸汽機模型機(三)

  關於螺絲,他想起了一種給螺栓雕刻螺絲的辦法,不知道是否可靠。


  其實他是受到了發哥的啟發。


  發哥有時候會給他提供一些資料。


  發哥是星際聯邦的傳奇九級非凡者,給他一些提示乃是很容易的。


  怎麽雕刻螺絲?


  一把刀子,有一道傾斜的刀刃。刀子是片狀的厚鋼板,而這個刃是斜於表麵的,並且凸了出來。


  把刀子按到螺栓上,鑿進去,刀片與螺栓的走向完全平行,隻有這個刀刃是斜著的,留下的凹痕也是斜著的。


  轉動螺栓。


  刀刃就會受力,一邊雕刻一邊向前走。走多快由刀刃的寬度決定。


  它會在螺栓上鑿出非常均勻的螺旋線來。


  有了螺絲之後很多操作都可以變得很精密了。


  一些操作可以變得比較精密。


  但是馬林依然不知道怎麽把鋼板給磨的足夠平以及怎麽把鋼板的邊緣給加工的比較直。


  現在能夠做的還是全憑手工。


  他先前遇到的問題,一個直徑五十厘米,厚度五厘米的圓盤,製作的時候最大誤差不超過三毫米,徒手能夠做出來麽?


  現在的他的空間感覺並未精準到這種程度。


  即使到達了這種程度,距離做活塞和氣缸依然差了很遠。


  直徑一點五米的氣缸,與活塞之間的縫隙不得超過一枚硬幣的厚度,就是說,誤差不超過三毫米。


  比馬林這種圓盤大了很多啊。


  馬林需要在這方麵繼續練習以提高自己的能力麽?


  他的眼光能夠好到這種程度麽?

  他知道一些畫家、雕塑家簡直是變態,能夠不借助任何工具畫、雕刻出精密複雜的幾何結構來。


  但是上麵的加工精度實在是太難了吧。


  鏜床的刀具要能夠直線滑動大約兩米距離,同時一點都不偏離轉軸。


  偏多少,誤差就會有多少。


  兩米直線,誤差三毫米,徒手加工,就算是頂級雕塑家也實現不了這種精度。


  此外還有轉軸自身的問題。


  徒手加工的轉軸與軸承,尺寸又大,肯定也存在誤差。


  軸承的洞眼要是開的不夠標準,與轉軸之間就會存在縫隙,轉軸的遠端就會擺動。


  兩米長的轉軸的遠端擺動超過三毫米乃是很正常的事情。


  再考慮到前述推刀具滑行的時候產生的誤差。


  馬林要是自己加工那個尺寸的氣缸與活塞,中間的空隙肯定會大於兩厘米。


  通過提高雕塑能力真的能夠達到這種精度要求麽?

  不知道。


  越想越是覺得做不到。


  想實現這麽高的精度,必須使用足夠精密的刀具進行打磨。


  誤差要控製在三毫米之內就意味著他要用直徑三毫米的鋼針來打磨這麽大的球。


  這消耗的時間簡直爆炸了。


  如果球自身是銅板,不太硬,鋼針劃一下便有銅屑掉落,那麽打磨的速度可以稍微快一點。


  即便如此,想完成打磨工作也是做不到的。


  估計到老死都打磨不出那麽大一個球。


  這條路是走不通的。


  他是這麽想的。


  然後他又返回了先前的難題。


  怎麽把鋼板的表麵給磨平?世界上第一塊非常標準的足夠平的鋼板到底應該以什麽方式生產出來?

  怎麽把鋼棍子給做的足夠直?第一根足夠直的鋼棍子到底怎麽樣才能生產出來?

  不知道答案。


  光學測量可以測的非常準,這一點他清楚。


  但是沒有激光,對打磨鋼材沒啥用啊。


  藍星古代人是怎麽做到精密加工的?

  反正直徑五十厘米,厚度五厘米的圓鐵盤加工誤差小於三毫米,這件事便把他給難倒了。


  他覺得自己是搞不定這個問題。


  沒有思路。完全不知道該從哪裏下手。


  他知道,解決不了這個問題,蒸汽機的效率就會非常的低。


  活塞與氣缸之間的縫隙漏氣,蒸汽推動活塞的力氣就會減小很多。


  具體該怎麽辦?

  他的這個蒸汽機模型,鐵鍋是個長高寬各半米的箱子,裏麵裝一大半的水。


  旁邊的動力裝置體積一樣大。


  底部的氣缸長度三十多厘米,直徑不到二十厘米。


  即使火燒的很旺,它的推力也很有限,估計提不起五斤重的東西。


  他讓它一直遠轉下去。


  此外還有個問題,怎麽調整蒸汽機的功率?火車不是可以換擋麽?


  馬林覺得人為讓氣缸漏氣,就可以降低蒸汽機的功率,從而實現火車換擋。但是也有一種做法是讓連杆裝置推不同直徑的齒輪。


  即使這裏的別人明顯很喜歡這個模型機,馬林自己很是失望。


  製造了蒸汽機的模型機之後,他的膽子比原來大了很多。


  如果有石油的話他會試一試柴油機效果到底怎麽樣,兩者在原理上應該比較接近。


  他的鋼材非常好。


  但是他在社會上無法得到任何支持。


  蒸汽機就是自己的極限了麽?


  他跟著同伴們出去吃飯。


  發現夥食非常好。


  半個鍾頭後回來,模型機還在咣當咣當運轉個不停。


  至少它並沒有損壞。


  他把木炭都給扒出來。


  把出氣口給打開。


  等待它的冷卻。


  馬林非常好奇的是,如果自己把主要精力都放在技術發明上,幾十年後到底能夠發明出一些什麽東西。


  能發明出穩定可靠的飛機麽?


  就算是發明了出來,他死掉之後相關技術有別的原始人能夠掌握麽?


  社會的發展講究平衡性。


  從這個角度考慮,他必須有學生,而且是不止一名學生。


  最好能夠擁有幾十名出色的學生,大家都懂得相關的技術。


  這樣子社會才算是真正的發展了起來。


  他需要多名幫手。


  但是考慮一下現狀吧。


  社會的生產力還不曾發達到能夠讓多少人脫離生產。


  除非他能夠把蒸汽機給製作的足夠好,能夠用來從事農業、工業生產和運輸事業。


  他不清楚蒸汽機的上限到底在哪裏。


  考慮一下一個問題。


  現在的原始人織布都是使用四根棍子織布法,效率極低。


  為了穿衣服,每個定居點都至少有一人專門從事織布工作。


  如果馬林能夠用蒸汽機來驅動織布機,是否可以省下這些人口來?

  現在的問題是人口過於稀少,交通嚴重不便。


  發明蒸汽機是完全沒有必要的。


  除非他能夠把人口都給聚集起來,而這有個前提,那就是農業必須發展起來,能夠在小塊的平原養活足夠多的人。


  種植業至少需要四年才能真正發展起來,獲得足夠多的種子。


  養殖業也是至少需要四年才能真正的發展起來。


  這段時間他應該做些什麽呢?


  如果他能夠把蒸汽機技術給改進到足夠出色的地步,讓它能夠驅動輪船快速的在河道上奔跑,那麽以後的發展會變得非常容易。


  可是他真的能夠做到這種事麽?


  他大體上知道,輪船的行進,需要在尾部裝螺旋槳。

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