推荐回答(3个)
H:跟在G43后面的H是刀具长度补偿号。Q:钻孔时每-刀钻孔深度。镗孔时是让刀量。
数控加工中心的对刀方法,"数控工艺基础中"“加工坐标系设定”的内容中,已介绍了通过对刀方式设置加工坐标系的方法,这一方法也适用于加工中心。
由于加工中心具有多把刀具,并能实现自动换刀,因此需要测量所用各把刀具的基本尺寸,并存入数控系统,以便加工中调用,即进行加工中心的对刀。加工中心通常采用机外对刀仪实现对刀。
对刀仪的基本结构如图5.29所示。图5.29中,对刀仪平台7上装有刀柄夹持轴2,用于安装被测刀具,如图5.30所示钻削刀具。
通过快速移动单键按钮4和微调旋钮5或6,可调整刀柄夹持轴2在对刀仪平台7上的位置。当光源发射器8发光,将刀具刀刃放大投影到显示屏幕1上时,即可测得刀具在X(径向尺寸)、Z(刀柄基准面到刀尖的长度尺寸)方向的尺寸。
扩展资料
用户宏功能是提高数控机床性能的一种特殊功能。使用中,通常把能完成某一功能的一系列指令像子程序一样存入存储器,然后用一个总指令代表它们,使用时只需给出这个总指令就能执行其功能。
用户宏功能主体是一系列指令,相当于子程序体。既可以由机床生产厂提供,也可以由机床用户自己编制。
宏指令是代表一系列指令的总指令,相当于子程序调用指令。
用户宏功能的最大特点是,可以对变量进行运算,使程序应用更加灵活、方便。
用户宏功能有A、B两类。
在常规的主程序和子程序内,总是将一个具体的数字赋给一个地址。为了使程序更具通用性、更加灵活,在宏程序中设置了变量,即将变量赋给一个地址。
参考资料:百度百科-FANUC系统
时间忙,简单跟你说说.Q604260949不懂在问我,高分送啊!H在程序里有刀具的长度补偿,一般用G43指令.而Q是钻孔指令G73和G83的每次钻孔的深度,就是钻一次钻多少深用Q值来控制,两个指令都是深孔钻削,
好吧,那现在跟你说说G73和G83的区别,你现在可以这样理解.G73是高速深孔钻削,是用来加工浅点的钻,它的钻削时间比G83短,所以直接影响批量生产的效益.G73比G83多一个P,P值是来控制G73钻到Q值后的停留时间.每次钻到Q值后都快速退回一段距离d,d值由参数设定.而G83是深孔钻削,它是用来加工软深的孔,与G73不同的是每次刀具间歇进给后退至R点,可把切屑带出孔外,以免切屑将钻槽塞满而增加钻削阻力及切削液无法到达切削区,Q值与G73一样是为每次进给的深度。以上回答,应该你会懂的,不懂在问.
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