第四百三十六章 技术
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“对。“陈庆山又测量了台阶的长度、直径,“都在公差内。“
周工程师也松了口气。
“看来咱们的样机,成功了。“
“别高兴太早。“陈庆山说,“这只是加工了一个简单的零件。真正的考验,是复杂零件和长时间运转。“
“陈总工说得对。“郑昊说,“接下来要做大量的测试,找出所有可能的问题。“
“嗯。“陈庆山点头,“我准备了十种不同的零件,从简单到复杂,全都要测试一遍。“
接下来的几天,样机一直在测试。
每天都加工不同的零件,测量精度、记录数据。
大部分时候,精度都能达标。
但也遇到了一些问题。
比如加工细长轴的时候,会出现振动。
比如连续运转两个小时后,电机会发热,精度下降。
还有一次,刀具突然断了,差点伤到人。
每次出问题,陈庆山和周工程师就停下来分析。
找出原因,然后改进。
“这个振动问题,是因为刚性不够。“陈庆山说,“床身的设计要加强。“
“电机发热,是因为散热不好。“周工程师说,“得加装冷却系统。“
“刀具断裂,是因为进给速度太快。“陈庆山说,“要根据材料硬度,动态调整进给速度。“
一个个问题被找出来,一个个问题被解决。
样机在不断改进中,变得越来越完善。
但士气,却开始有些低落。
学生们每天看着机床出问题,又改,改完又出问题,渐渐有些泄气。
“老师,咱们这样改下去,什么时候是个头啊?“有人问。
“搞技术就是这样。“周工程师说,“失败是常态,成功才是偶然。“
“可是已经改了半个月了。“另一个学生说,“感觉永远都改不完。“
陈庆山放下手里的扳手,看着这些年轻人。
“你们觉得累了?“他问。
“不是累......“刘建犹豫着说,“就是觉得,是不是方向错了?“
“方向没错。“陈庆山很坚定,“你们知道德国人做第一台数控机床,用了多长时间吗?“
大家摇头。
“五年。“陈庆山说,“日本人仿制德国的数控机床,也用了三年。咱们现在才用了三个月,你们就觉得改不完了?“
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