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工程设计学报
Chinese Journal of Engineering Design  2016, Vol. 23 Issue (4): 309-315,344    DOI: 10.3785/j.issn.1006-754X.2016.04.002
Innovative Design     
Research on static measuring method of wire saw deflection angle
JIN Shan-shan1,2, ZOU Hang1,2, GUO Hua1,2
1. Engineering Research Center for Machining of Brittle Materials of Ministry of Education, Huaqiao University, Xiamen 361021, China;
2. Institute of Manufacturing Engineering, Huaqiao University, Xiamen 361021, China
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Abstract  

When diamond wire saw cuts circular arc, wire saw deflection angle will be formed due to resistance in the feed direction. If the bending is serious enough, the center of the circular plate will be cut excessively and leads to material scrap. In order to solve the problem, wire saw deflection angle is defined. The static measuring methodology of wire saw deflection angle was proposed. This methodology was based on cantilever type axis force sensor. Through the axis force sensor, voltage values were output and recorded to calculate wire saw deflection angle. Static measuring experiments were carried out in the physical equipment designed and built by authors. In the experiments, the steel rope was used to simulate diamond wire saw and created wire saw deflection angle. The static measuring experiments were carried out to study the relationship between the force of guide wheel and wire saw deflection angle. It was found that, the measured angle was close to the theoretical angle with the increase of initial tension within certain range. Therefore, when the edge of guide wheel whose axis assembles the force sensor is just contacted with steel cable, the wire saw deflection angle can be measured relative accurately by this method.

Key words： wire saw      axis force sensor      wire saw deflection angle     
Received: 08 April 2016      Published: 28 August 2016
CLC:  TH113.21  
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Cite this article:

JIN Shan-shan, ZOU Hang, GUO Hua. Research on static measuring method of wire saw deflection angle. Chinese Journal of Engineering Design, 2016, 23(4): 309-315,344.

URL:

https://www.zjujournals.com/gcsjxb/10.3785/j.issn.1006-754X.2016.04.002     OR     https://www.zjujournals.com/gcsjxb/Y2016/V23/I4/309


绳锯线弓角静态测量方法的研究

金刚石绳锯在切割圆弧板材时，受到进给方向的阻力，形成“线弓角”，使板材中部产生“过切”，严重时导致材料报废.为解决这一问题，提出了线弓角的概念，从理论上提出了一种基于悬臂式力传感器的绳锯线弓角的静态测量方法，通过轴力传感器输出的电压值计算出线弓角度.试验在自行设计和搭建的绳锯线弓角测量平台上进行，用钢丝绳模拟串珠绳产生线弓角，并进行导轮受力与线弓角关系的静态测量试验分析，以验证该方法测量线弓角的可行性.试验结果表明：在一定范围内，串珠绳初始张紧力越大，线弓角的计算值越接近理论值.因此，采用所提出的测量方法，当装有轴力传感器的导轮处在刚好与钢丝绳接触的状态下，选择合适的初始张紧力，可以测得较准确的角度值.


关键词： 绳锯,  轴力传感器,  线弓角 

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