$floatcFile = "/www/wwwroot/xin_floatAdc.txt"; 重生军工子弟(葫芦村人)_745 别当我们冤大头.万吨自由锻不搞(1 / 2)_重生军工子弟最新章节免费阅读无弹窗_新笔趣阁

745 别当我们冤大头.万吨自由锻不搞(1 / 2)

“压力40%!加压,合模!”</p>

本来大压机工作是不需要这样指挥的,第一次试机,用磨具来压制整体涡轮盘,关系到大压机的成败,不得不搞得如此小心翼翼。</p>

“嗡”</p>

液压马达工作的声音更大,在模具中间的镍基高温合金毛坯,在大压机提供的压力不断攀升的情况下,如同面团一般向着四周延伸。</p>

一股白烟沿着模具边缘向着四周扩散开去,这是毛坯表面的高温接触到模具时,高温遇冷而让空气凝聚……</p>

延伸的同时,暗红的铁屑向着周围脱落。</p>

原本数十公分厚的难加工镍基高温合金毛坯,在4.5万吨大压机下面,一点都无法阻碍这台大压机让模具上下模合拢,甚至,中间连一丝停顿都没有。</p>

“压力80%,保压!”</p>

压力提升,已经合拢的模具中的情况,根本看不到,却也没有材料因为承受不住压力往模具中间缝隙向着外面延伸。</p>

“咋样啊!”郑宇成急得如同热锅上的蚂蚁。</p>

这涡轮盘只要压制成功,达到要求,涡扇八发动机进展就快了。</p>

“等着吧,急也没用。看着这玩意儿没动静,模具里面的材料组织可在发生很大变化。”沈鸿也急,却在耐心地给郑宇成解释。</p>

谢凯在一边听的有些好奇,“部长,按理,这样大的压力,不需要保压就能在压下去的过程中细化晶粒结构吧?”</p>

“你没发现,这毛坯直径有些大?”陈铭善问谢凯。</p>

谢凯早就发现了。</p>

飞机发动机直径虽然不小,里面的涡轮盘也不小,可毛坯实在是太大了一些,按理,应该是很小直径的圆柱,缓缓压下去,把粉末冶金过程中中间那些承受的温度跟压力不同结合没有那么紧密的材料强力压在一起。</p>

“试机呢。只要成功了,试生产开始,试生产过程,同样得不停地调整,一直到试生产结束,确定达到设计要求,才会直接用更小的毛坯直接压制,不用保压。”陈铭善解释着。</p>

为的是确保机器不出问题,他们也不想浪费任何一块材料。</p>

压制不成功,机器就会有问题,材料毛坯同样没法使用。</p>

镍基高温合金,无论是原材料还是制备的成本,都是极其高昂的。</p>

进口的一公斤最低都是六七百,人家还不会你想买多少提供多少,国产的仅仅是成本价,也都在480一公斤。</p>

这样一件毛坯好几百公斤呢!</p>

“开了!”</p>

又是一阵液压马达声,闭合的模具缓缓升起,升起的同时,又是一阵烟雾。</p>

模具里面的毛坯,通红的颜色稍微黯淡一点。</p>

“成功了?”郑宇成激动地问道。</p>

“别急,等取出来看看。”沈鸿同样激动,却压抑着。</p>

没有看到压制后的成品,谁能保证成功?</p>

行车巨大的钢钳移动过去,缓缓地把模具里面稍显黯淡的通红毛坯夹出来,掉到旁边。</p>

一群人激动地向着那让整个车间空气都变得燥热,向着四周散发着高温的模具奔去。</p>

其实依然还是个盘,只不过中间两边有着凸起的台阶,中间是一个不小的圆孔。</p>

一群技术人员围在旁边,不停对通红的毛坯做着记录,最后把数据汇报给褚国荣。</p>

褚国荣看过数据,再对比了零件毛坯,向着众人宣布,“根据目前数据,可以进行试生产,内部晶粒结构的理化分析结果,要等几天才能出来。”</p>

郑宇成不管这些,只是问道,“大压机成功了吗?”</p>

“成功了!”褚国荣一脸微笑,肯定地告诉他。</p>

“成功了……”</p>

整个车间里面,突然爆发出一阵热烈的欢呼声。</p>

努力了这么久,终于成功了。</p>

“好!好!好!”沈鸿部长激动地连说了三个好,却也没有再说别的。</p>

“历史的车轮,总是在不停向前旋转的,现在,总算是加速了!”谢凯同样激动,当初为了铸造这台大压机,他可是冒着生命危险在高温环境中指挥主横梁的浇铸……</p>

现在,终于看到成果了。</p>

运十的寿命将会数倍延长;航空产业心脏病问题将会得到有效解决;甚至,海军大型军舰的动力系统也能提升……</p>

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