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数控刀具刀片加工误差的原因以及采取措施
添加时间 2016-12-29 点击次数 255 次 返 回
1)当用试切法对刀时,对刀误差主要来源于试切工件之后的测量误差和操作过程中目测产生的误差。
(1) when the cutting tool by trial, error of tool setting error mainly comes from the test cut visual measurement error and operation process of workpiece after the generation of.
(2)当使用对刀仪、对刀镜对刀和自动对刀时,误差主要未源于仪器的制造、安装和测量误差,另外使用仪器的技巧欠佳也会造成误差。
(2) when using the tool, knife knife and mirror automatic knife, manufacturing, installation and measurement error mainly comes from the instrument, also use the instrument error will cause poor skills.
(3)测量刀具时是在静态下进行的,而加工过程是动态的,同时要受到切削力和振动外力的影响,使得加工出来的尺寸和预调尺寸不一致。此项误差的大小决定于刀具的质量和动态刚度。
(3) the measurement of the tool is carried out under the static state, and the process is dynamic, and it is affected by the cutting force and the external force of the vibration. The magnitude of the error depends on the quality and dynamic stiffness of the tool.
(4)在对刀过程中,大多时候要执行“机床回参考点”的操作,在此过程中可能会发生零点漂移而导致回零误差,从而产生对刀误差。
(4) in the process, most of the time to carry out the "machine reference point" operation, may cause the zero drift and lead to zero errors in the process, resulting in tool setting error.
(5)机床内部都有测量装置,最小度量单位的大小也与误差有关。一般说来,最小度量单位大的测装置其误差就大,最小度量单位小的测量装置其误差就小。

(5) there is a measuring device in the machine tool, and the smallest unit is also related to the error. Generally speaking, the smallest unit of measurement is large and the error of the measuring unit is small.

数控刀具刀片回收

减小对刀误差的主要措施有:
The main measures to reduce the error in the tool:
(1)当用试切法对刀时,操作要细心。对刀后还要根据刀具所加工零件的实际尺寸和编程尺寸之间的误差来修正刀具补偿值,还要考虑机床重复定位精度对对刀精度的影响以及刀位点的安装高度对对刀精度的影响。
(1) when the cutting tool for examination, careful operation. The tool also according to the error between the actual size and the size of the parts of the processing programming tool to modify the tool compensation value, but also consider the influence of machine tool repeatability positioning accuracy as well as the influence on accuracy of the installation height of the knife cutter location accuracy.
(2)当使用仪器对刀时,要注意仪器的制造、安装和测量精度。要掌握使用仪器的正确方法。
(2) when using the instrument tool, should pay attention to manufacturing, installation and measurement precision of the instrument. To master the correct way to use the instrument.
(3)选择刀具时要注意刀具的质量和动态刚度。
(3) pay attention to the quality and dynamic stiffness of the tool when selecting the cutting tool.
(4)定期检查数控机床零点漂移情况,注意及时调整机床。
(4) regularly check the zero drift of CNC machine tools, pay attention to the timely adjustment of machine tools.
通过采用试切法与近似定值法法对零件进行加工,每种方法均加工五个零件。分别测量其轴向尺寸与其中一个径向尺寸(10),求尺寸偏差绝对值的平均值,平均值大的那一组工件说明其对刀误差较大。
By using the method of trial cut and the method of approximate fixed value, the five parts are processed in each method. The axial size and one radial size were measured (10). The average size of the absolute deviations, the average value of the group workpieces shows its error on.
本文由数控刀具刀片回收友情奉献.更多有关的知识请点击:http://www.hxdphs.com/我们将用最先进的技术.最真诚的态度.为您提供最为全面的服务.更多有关的知识我们将会陆续向大家奉献.敬请期待.
This paper consists of NC cutter blade recovery friendship dedication. More related knowledge: Please click http://www.hxdphs.com/ we will use the most advanced technology. The most sincere attitude, to provide you with the most comprehensive service. More related knowledge and we will continue to offer. Please look forward to.
 
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