第745章
新笔趣阁(52xbq.com)更新快,无弹窗!
“还有一些数控机床利用振动监测法,通过安装在机床主轴或其他部位的振动传感器,实时监测切削过程中的振动信号。刀具崩开时,振动信号会出现异常,系统据此判断刀具状态并采取停机措施。”
“当然,以后可视传感技术达到一定程度后,就能按照你说的通过摄像头实时拍摄刀具运行过程,若检测到崩刀,系统会自动停机。跟加一对眼睛的效果是一样的。”
张自强他们听得张嘴结舌。
胡广才小声说:“加传感器监测振动、噪音和力的变化,我可以理解。但是摄像头这个,谁来盯着它?既然有人盯着,干嘛还要用摄像头,直接人眼就能看出来。”
他其实在穗城不止一个厂子待过,私企外企都有,却没见到有程时说的这种。
程时说:“以后的机床可能不需要人操作,而是用电脑控制。所以传感器和摄像头得到的信息都会传入电脑,靠程序来分辨异常。比如利用图像处理技术识别刀具是否崩开。”
张自强:“有可能做到吗?”
程时:“其实跟虹膜指纹识别就是图像识别技术的一种。你们可以简单地理解,先把某个人的虹膜和指纹拍照存入电脑。等需要验证身份的时候,对使用者的指纹和虹膜再次拍照,跟系统中保存的图像比对。确定是否一模一样,就确认了身份。”
“简单地理解,刀具检测也是一样,把新刀具的照片存入系统,再把使用过程中的刀具照片跟系统中的比对,就能知道有没有崩开。”
“70年代就有半自动化指纹识别系统。去年,漂亮国就有实验室做出了一个自动虹膜识别系统。以后还会有面容自动识别系统。”
“所以,机床通过摄像机自动监控,也是迟早的事。”
说起来挺容易,加传感器,然后连到原本就有的报警系统上,再在程序里增加一个刀具异常警报项目。
可问题是,之前的所有元件的位置,集成电路都是经过很多次设计排布才定下来的最优方案。忽然又要加个传感器,可能很多东西,甚至外形和大小都要跟着变。
之前好不容易确定的生产流程,全部都要重新来过。
程时:“不用紧张,这一批机床不变了。我说过的路径一直都没有变过,不断改进,不断提高。不要想着一步到位,一劳永逸。”
“今天把几位叫过来,还有一个事情。我们自研自产的五轴中型数控机床也用了一段时间了,你们有没有发现什么问题。还有微型数控机床的改进搞得怎么样了。”
刘光荣:“导轨的运动不平稳、运动阻力增大,虽然不是很严重,但是我担心时间一长会加剧。”
程时:“你检查导轨的清洁度、润滑情况及磨损状态吗。”
刘光荣:“查了都没问题。润滑油也是每天加。轴承的噪声和振动也比之前要大了。检查了润滑安装状态及轴承本身的损坏情况,都没有问题。”
“丝杆与丝母之间的间隙和噪声也增大比较明显。”
大家一听都紧张起来。
如果现在发现五轴中型数控机床的制造有问题,需要推翻整个设计全部重新来过。那之前的答应的交货时间,肯定做不到了,对于企业的声誉影响很大。
程时:“不要慌。我觉得可能是润滑油的问题。润滑油系统是不是起泡。”
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