数控车车螺纹每次起点不一样 懂修理机床的来看看

2025-02-25 01:11:49
推荐回答(5个)
回答1:

根据你的描述, 因为每次进到都是相后偏,后刀刃吃刀,跟刀具没有关系,是系统的定位正确,后次的起刀点在Z轴方向比前次靠后,很明显的原因只有一个: 丝杆编码器的问题,具体原因有两个: 1、 编码器和丝杆的连接有松动,所以定位有偏差。 2、编码器本身有问题,更换一个就好了。 上面的朋友请注意了:广泰系统这种机器是不太可能装光栅尺的。

回答2:

五个5丝就在允许范围内了
刀一定要正 ,不能偏
而且程序也没有使用错
要是上面加下面的你都试了 而且还解决不了,
呵呵 那么你得请厂家了楼主,就算是再高级的技工都帮补了你啦(一定要检查到位)

呵呵
忘了给你说了 编码器其实是装在光栅尺上的
如果 光栅尺松了 会出现z 向坐标偏移 ,这个得有专业的人员拆开一头 重新拉紧,
你可以检查一下 把百分表吸在导轨上 看看z向数显走一个毫米 是不是百分表也动一个毫米,然后再往回退一个毫米 看看百分表是不是也压紧一个毫米
要是数值不对 那就是 光栅尺松了

我给你逐个分析一下吧
一.“车螺纹进一次刀,每次都是向后偏0.几个毫米” 出现这一状况的原因基本上有两个
1. 你选择的加工方式是 多头螺纹的加工方式 (如果是多头螺纹的加工方式而你又把螺距写成单头的普通螺纹 那么加工出来会有小台阶 且 台阶在后面)
2. 出现让刀现象 原因 刀架没有真正锁死(使用百分表检测), 刀体没有把紧。
二. “走刀时三角螺纹前刀刃碰不到,都是后刀刃吃的,车好后螺纹一面有好多抬价 一面光的”
确认你的刀(机夹刀除外,到不包括手磨的)的角度是否正确,是不是存在局部扛刀现象,要是存在 那么阻力会使刀体微小移动 . 只有后刀刃吃,而且受力一直变所以有一个面会有台阶.
三.看看机床数据是否被修改(螺纹起使角,这个数是0,要是有数 车削时 会根据数据的正负值,而不同角度进刀,那么就会有一面吃刀的现象)
建议你 检查刀具 刀架 还有所使用的程序,

回答3:

看看编码器齿数与主轴的齿数是否1:1,如果不是的话,可以调整一下参数。
至于如何计算我也不懂,我只是听师傅们这样说过。

回答4:

编码器设置的不对,转速不匹配。

回答5:

G76在很多使用时都有类似的情况还是G92好 另外你磨得刀有关

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