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魔界狂想曲- 第一三六三章 齒輪組-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> 第一三六三章 齒輪組

第一三六三章 齒輪組

  事實上他心裏在罵罵咧咧的。


  這難度有點太高了。


  這麽大的鋼板,重量就能夠把人給壓垮了。


  想了一下,它的厚度不能是二十厘米,否則倒下來就砸死人了,因為體積會超過一個立方米,重量超過七噸。


  於是有個辦法。


  那就是把它中間給掏空,隻留下幾根骨架進行支撐。


  到這時馬林才開始意識到這件事的複雜。


  一個水力驅動裝置,為什麽這麽難以製作?


  必須另想法子。


  主要問題是轉速不足,於是需要從轉速上下手。


  把水輪的直徑變成一米,半徑零點五米,它的轉速就提高了一倍。


  它的力量是否足夠?


  葉片零點五米寬,一米長,被水推的時候力氣大不大?


  其實已經滿大的了。


  這樣子轉軸上那個齒輪就不用太大。


  直徑一米就行了。


  先試著造出來吧。


  這個齒輪直徑一米,厚度多少?二十厘米,中間掏空以減輕重量。鋸齒直徑深度兩厘米。不掏空的話,會有一噸重。


  掏空的話估計也有上百斤重。


  那麽把厚度從二十厘米改成十厘米是否可行呢?


  結實程度是否夠呢?


  夠。水輪都改小了,力氣也改小了,結實程度沒必要那麽高了。


  直徑一米,厚度十厘米的鋼材。中間打很多洞,掏空,以減輕重量。


  一共多少個齒?


  六十個齒。


  每個齒深度兩厘米。


  誤差不超過一厘米。


  因為尺寸降低了,所以做得到了。


  原來用齒輪驅動會遇到這麽大的麻煩。


  為了彌補轉速不足的問題,他需要把水流速度給加快。


  河道中要修建V狀堤壩攔水,以提高水流速度,進而提高機床的轉速。


  這是做得到的。


  轉速提高一倍的話,這個精度也是做得到的。


  原來他想把齒輪給做的那麽厚,是想擴大空間位置。


  現在看來,鋼質的齒輪重量太嚇人,必須避免做太厚。


  好在他的機床的精確度是合格了。


  為了轉速,他必須進行很多修改。


  那麽,直徑兩米,誤差一厘米的齒輪他是否還需要?

  他認為不需要。


  原因是太重了,他沒能力進行打磨。


  沒有必要製作這種零部件。


  給直徑一米、厚十厘米的圓盤鑿六十個齒。


  每九十度十五個齒,每個齒六度。


  齒深兩厘米。


  他的想法是先磨,後用銼刀銼。


  因為把水輪的直徑減小了,於是傳動裝置承擔的力可以減少很多,硬度上可以有所降低。


  這個齒輪在手工上還是有不小的加工難度。


  主要是厚度方向也要保持精度,有點不大容易。


  他覺得一個這種齒輪需要他很多時間進行製作。


  但是製作好之後,用於倒模,別的齒輪的製作時間都會大幅度縮短。


  隻是他缺少用來製作模具的材料。


  他的黏土質量不夠好。


  他需要找到質量更好的黏土。


  先把圓餅狀的鋼材給切出來。


  具體做法怎麽來呢?


  他有特製的鋸片可以鋸出不那麽標準的切口,但是確實能夠把鋼材給切開。


  接著手工把這個圓餅給打磨的越來越圓,兩麵越來越平。


  其中難度可不低。


  直徑一米。


  最大誤差不超過一厘米。


  因為它很厚,有十厘米厚,所以這個要求其實非常高。


  先加工成標準的圓餅。


  正麵和背麵都磨平,厚度均勻,十厘米。


  借助機床能夠粗略把厚度給調整到十厘米多一點。


  剩下的都靠手工打磨。


  突然又想到一個問題。


  他對台鋸、刨床的主要擔憂是轉速不足。


  水輪由水力驅動,不方便提速。


  其實他可以這麽做。


  水輪驅動一個大齒輪轉動,後者驅動一個小齒輪。


  跟小齒輪的同一轉軸裝一個大齒輪,這個大齒輪的轉速就會比最開始那個快很多,比如說,五倍。


  接著再銜接一個小齒輪,小齒輪同一個轉軸上再裝一個大齒輪。這個大齒輪的轉速比最開始那個又會快很多,比如說,二十五倍。


  後麵再接一個小齒輪,把轉速再提高幾倍,可能已經能夠達到水輪的轉速的一百多倍。


  如果水輪的轉動周期是五秒,那麽最後那個小齒輪的轉速是每秒二十五轉。


  如果小齒輪的轉軸上裝一個直徑四十厘米的圓鋸,鋸齒的速度就是每秒三十米左右。


  人全力掄斧子,斧子的運動速度都沒有每秒三十米。


  於是這個圓鋸的轉動非常快,同時由水輪驅動,力氣很大。


  至於刨床,轉速需要更快,所以可以嚐試再來一級齒輪組來加快轉速,達到每秒一百多轉後肯定夠刨木頭用的了。


  在這種情況下他隻需要製作直徑五十厘米和十厘米兩種齒輪就行了。


  至於精度。


  確實對精度要求很高,安裝的時候麵臨著很大的難題。


  但是並非搞不定。


  他們的鋸齒深度都定為兩厘米。


  需要的齒輪越是多,對精度的要求越是高。


  如果需要六個齒輪,他覺得製作每個齒輪的誤差不要超過三毫米,這樣子總誤差才不會超過兩厘米,才具有裝配的可能性。


  這些齒輪還有轉軸和軸承。


  裝好後轉不起來的可能性是非常高的。


  這些齒輪最好都製作的比較厚,這樣子才能比較結實,不怕磨損。


  而為了降低重量,需要把齒輪所在圓盤的中間給挖出很多洞來,隻留下支撐結構。


  這樣子的一個齒輪的重量能夠有多少斤呢?如果不掏洞,大約能夠有六十多斤,掏洞後有二十多斤。


  這是可以接受的。


  這種齒輪厚度五厘米。


  如果不結實的話加到十厘米也不要緊,重量方麵是承擔得了的。


  他大約需要加工四十多個齒輪,一半大,一半小。


  問題是,每個都需要加工的很精確。


  如果他有精度比這些齒輪高一級的儀器,那麽他完全可以用儀器把它們給製作出來。


  可是他沒有。


  他的儀器把齒輪給做出來後還是存在不小的誤差,他得靠手進行修理和調整。


  於是他就覺得非常的頭疼。


  好在這些齒輪組需要的轉軸都不長,不到二十厘米就可以了。


  他自己裝配了很多個儀器,現在能夠派上用場了。


  用它們加工出的金屬零件跟他自己動手加工精度是一樣的。


  而他的手工能力用於加工這麽複雜的齒輪組,還是差了一些。


  所以最難的一關在於最後的調整與安裝。


  怎麽給齒輪開出齒來?

  手動,用刀具開。


  十厘米直徑的齒輪八個齒,那五十厘米直徑的齒輪有四十個齒。


  他需要先用儀器把鋼材都給加工成標準尺寸的圓餅。


  怎麽切出直徑五十厘米厚五厘米的圓餅?

  他的設備切不了這麽大。


  必須另外調試出一個設備用於切這種鐵餅。


  比如幾把刀具形成直徑五十厘米的圓,被固定的非常好,可以飛速旋轉,而且可以沿著轉軸滑動。


  要麽用另一種方法。


  一種圓鋸,鋸片很厚,可以用來切割鋼板,隻是切口非常的難看,由三個大漢以踏板驅動。

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