第14章 展示绝活(第1 / 2页)
可就是这么一个经验丰富的老师傅,都连续加工几件失败,难道说朱国栋比他还厉害?
所以说现在大家还是有那么一点怀疑的,毕竟设计这个东西可以靠书本上的东西,可机加工这种技术啊,只能是大量的实践才可以的。
不过朱国栋可是125CC摩托车发动机项目的负责人呢,大家也只是心里这么想想,嘴上可不会说出来。
朱国栋拿起一件毛坯道:“咱们的加工工艺文件,其实已经写得很明白了,所有的加工流程,都非常明确。活塞主要表面尺寸与各表面间的相互位置精度要求很高,而且加工后还要保证塞裙部及顶部壁厚均匀,所以加工确实比较困难,但也不是没有办法。首先就是要选择好定位基准面,减少加工误差,当然在加工设备选择上,也是选择多刀机床为好。活塞顶部,销孔等要放在最后来进行……”
朱国栋娓娓道来,连怎么操作都说得丝毫不差,这让在场的人,都感到不可思议,就连万师傅也是心生佩服。
当然了说是一方面,还得会做才行,就在大家的讶异目光中,朱国栋开始操作起来了,他的动作就像行云流水一般,非常的迅速而且流畅,看起来就像是多年的老手。
大量的金属销被切削下来,朱国栋的脸上透露着无比自信的表情,这让大家更是无比的好奇,这一次能不能达到设计的精度要求呢?
如果达不到的话,那朱国栋不是自己打脸吗?
但是看朱国栋脸上的表情,似乎他是胸有成竹,信心满满的。
活塞加工是一个漫长的过程,有很多道工序的,而且加工过程中还要切换加工方式,有铣削也有车削还有镗孔什么的。
时间一分一秒的过去,等这一个活塞加工完成时,大家都不敢相信,这竟然是真的,不说精度是不是达到要求,朱国栋竟然真的加工出来了活塞,而且看起来速度还比万师傅快一些呢。
这么快?万师傅都在滴咕着,自己干了二十多年,还不如一个刚刚进厂的小年轻,这有点说不过去啊,老脸也挂不住啊。
不过万师傅转念一想,这朱国栋可是天才,也不能用常理来推断,想想也就罢了,技不如人也是正常的。
只见这个活塞,闪着金属的光泽,看起来就像是一件工艺品,质检人员马上开始检验了,没有想到的是,朱国栋加工的这个活塞,竟然超过了设计精度的要求,不仅是一件合格的产品,而且还是属于优等品的标准,让大家都开了眼界。
几个技术工人,也学到了很多东西,他们只是略一思索,就明白问题出在哪儿了,为什么朱国栋能够加工出合格的活塞来。
朱飞激动地道:“太好了,国栋同志,有你出马,看起来就没有解决不了的问题,大家都多学着点,有什么问题,一定要多向朱国栋同志请教,明白吗?”
在场的人都心服口服了。
时间也差不多到下班的点了,朱国栋道:“明天我再来和大家一起研究一下,如何提高活塞加工合格率的问题,现在咱们的125CC发动机光是样机就要生产十几台,所以说时间也是很紧迫的。”
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