第181章 轴承钢下的工业变法
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娇玥在现代查阅过太多早期的工业机密档案,这些在她脑子里清晰如昨。
她拿过一根短粗的铅笔,一边在纸上飞速勾勒结构,一边语速极快地说道:
“在刀架下方加装楔形补偿块。利用机械硬挤压原理,把丝杠径向间隙,从0.08毫米,死死卡在0.02毫米以内!”
笔尖在纸上重重一点,她抬眸看向两位被震得说不出话的泰斗。
“只要老机床能稳住这0.02的基准线,双曲线内芯的粗成型就能直接上机床!老师傅们只管最后抛光微调,加工效率起码翻十倍!”
角落里,宋思明倒抽一口凉气。
身为数据狂魔,他脑子里瞬间建构出受力模型,满脸见鬼的表情。
用机械硬抗磨损?这等同于在悬崖走钢丝!这套思路……简直毒辣到了极点!
周清源也听得彻底呆住了,那原本习惯性在椅背上轻轻敲击的手指僵在半空。
这种在极度恶劣的工业夹缝中寻找极限平衡的逆向工程思路,简直闻所未闻!
“等等!理论上可行,可是材料呢?!”
周清源敏锐地抓住了关键点:
“能吃住这种预紧力的楔形补偿块,对钢材硬度要求极高,普通的钢肯定不行!”
“材料?”
林娇玥挑了挑好看的秀眉,嘴角勾起一抹自信的弧度:
“唐所长,如果我没记错的话,当年接收装备时,所里有一批原本准备用来做苏式坦克特殊齿轮的GCr15高碳铬轴承钢。那玩意儿硬得连普通机床都啃不动,应该还有库存吧?”
“有!有!有!”
唐逸林仿佛被雷劈中,下意识地拔高了音量,激动的唾沫星子都喷出来了:
“虽然量不多,只有几百公斤,但因为太难加工,一直当宝贝一样压在四号仓库的底板下落灰!”
“这就够改一批了。”
林娇玥在心里飞速拉了一个项目进度表。
“不用多,先赶工改出三台试验机,用它们去跑通钨铬钴合金的切削工艺。只要测试数据能过关,不崩刀,马上在九零九所乃至全北方的军工厂全线推开!”
这套思路,如果放在几十年后,不过是机械工程系大三学生的必修课改作业。
但在基础薄弱、百废待兴的1951年,却是这片贫瘠土地上,能够最快落地、最具杀伤力的实战解法,是真正的科技神迹!
书房里陷入了死一般的寂静。
只有那盏老旧煤油灯的灯芯,因为燃油见底,偶尔发出“噼啪”的爆裂声,混合着三位科研人员沉重的呼吸声。
唐逸林死死盯着桌上那张画满了受力分析的草图,足足沉默了半分钟,像是在消化一场巨大的地震。
终于,他深深地吸了一口气,由于太过激动,双手止不住地颤抖:
“这个方向……绝了!真的是绝了!用最硬的轴承钢当楔子,逼着磨损的老丝杠走正步……可以干!绝对能成!老天爷啊,咱们前线战士有救了!”
周清源也激动得摘下眼镜不停擦拭,仿佛已经看到了源源不断的破甲火炮流水线般下线的盛况。
然而,就在三个大男人沉浸在即将打破工业枷锁的狂喜之中时,话音刚落的林娇玥,自己却慢慢停了下来。
她随手将那半截铅笔丢回笔筒里,手指轻轻搭在图纸那粗糙的边缘,盯着灯火下跳跃的暗影,久久沉默。
原本因兴奋而升温的书房,仿佛瞬间被注入了一丝冷凝的气流。
“不过,”
她缓缓抬起头,平日里总是带着几分娇嗔的杏眼中,此刻涌动着一种令人毛骨悚然的深邃与凝重。
她看着面前狂喜的三人,神色比方才讲解技术时还要认真百倍。
“既然用GCr15轴承钢改机床的方案这么完美,效率又高……”
林娇玥的声音极轻,却如同一记重锤,砸在每个人的心坎上:
“那你们有没有想过,为什么半个月前,我没有提出这个‘改机床’的方案,而是眼睁睁看着那四百多位国宝级的老钳工,硬生生用手去蹚那条血路?”
……
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