67、锦绣河山
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“成所长,您有什么意见和建议?”
听到这句话,成发财只觉得嘴里发苦。龙腾小说ltxsba.com
这一年的时间里,研究所能拿得出手的东西很少,像拖拉机这些都是早经定型的产品,几乎都不需要进行改进,而其它的真是提不起来。
“司令,成汤所这一段时间以来,主要的工作是开发新型柴油机,现在已经取得一些进展,想要定型还需要一段时间。美洲虎七型汽油机的仿制也遇到困难了,铸铝工艺我们还没有吃透。无论想什么办法,漏油的问题都得不到解决。”
无论加强密封,还是细细的打磨部件,那几台仿制的汽油机还是出现了问题,最折磨人的就是漏油。
仿制虚也是费了九牛二虎之力,好几次机器也漏油了。可是一发动,又哗啦啦的淌个不停』解决这个问题,基本的安全都谈不上,遑论其他。
秦朗问道:
“有没有找到问题的根本原因?”
发动机本来就不那么好造的,哪怕这个时代,它们还显得有些粗陋。但需要用到的工艺已经不少,这可不是土办法可以解决的。
成发财垂头丧气的说道:
“还没有找到具体原因,而且我们也是严格的按照图纸生产,甚至连用的材料都是从报废的机器上回收,不存在材料的问题铸过程比原厂还要求严格,缸体是几个八级技工仔细检查的,和原厂不差分毫。用上原厂的零部件,怎么折腾都可以。”
缸体这些都不存在问题,但是自产的零部件装上去就不行。如此反复几十次,有些人也变得垂头丧气的。开口就说工艺、设备落后,这一辈子都别想制造出合格的产品。
听到这句话,秦朗忽然想起了,那个苏联工程师的抱怨。
“是不是冲压机的压力不够,或者是倪的精度不准确,造成零件有细微的差异。如果是这个问题的话,渗透就不可避免!”
成发财一下子愣住了,倪的准确性绝对不会存在问题。因为这是那几个八级技工,在精密机床上将特种钢坯,一点一点加工成型的。
但是冲压机的问题,却真的没有考虑过。想到这些,他从手边的一个提包里拿出两个零部件,一个是原厂的,一个是张掖产的。把两个原件凑在一起,细细的比对之后,果然发现了不少的问题。
原厂的直角就是直角,而张掖造的直角还有一个小的圆弧,这显得整个零件就比较“肉”。
“一点点小的差异,最终会形成的大的问题,我明白了!”
成发财兴奋得吼叫起来。
张掖现有的液压机是从美国购买的型机,平常生产普通零件还够用,但在发动机这样的零件上就不够了。
秦朗摆了摆手后,沉声说道:
“顾新安同志还在德国,让他们考察一下,只要条件允许就进口一台大型液压机。但是我有一点疑惑,张掖的设备不少了,有些机床的性能,甚至在世界也属于领先的。为什么不能用它们制造一些机器?液压机的原理,在座的各位都清楚,我们能不能制造一些?”
就在这时,一个年轻人举起了手。
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