一种径向减速节能模具的研究

Oleg Gaidamak
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引用次数: 0

摘要

降低锻压设备的功率是现代金属成形技术的重要课题。由于采用了能显著提高变形力的节能型模具,故能显著(几十倍或更多)降低所用锻压设备功率的模具的开发研究。能够显著增加变形力的冲压件称为节能冲压件。文章表明,使用不同类型的杠杆,可以显着增加作用在可变形工件上的冲压工具的有用力。因此,可以使用相对低功率的冲压设备来实现工作工具的显着力。基于给定的节能冲压件几何特性和功率特性的数学依赖关系,在MS Excel中编写了计算机程序并进行了建模,研究了变形力R随冲压件倾斜角变化的规律,并在预定的恒定推力F = 1 n下绘制了相应的图形。可以认为,变形力R比推力F增加十倍,这是由挤压设备产生的,在= 5.35度的角度下观察到,在1.1度的角度下观察到50倍。在接近0度角时,变形力的增加可以达到显著值,并且仅受节能冲压件本身强度的限制。给出了在给定的冲头工作行程和给定的变形力增量下,冲头主要尺寸和锻压设备工作行程的计算公式。介绍了节能邮票的应用领域。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
STUDY OF AN ENERGY-SAVING DIE FOR RADIAL REDUCTION
Reducing the power of forging and pressing equipment is an important task of modern metal forming technologies. The article is devoted to the development and research of dies capable of significantly (tens or more times) reducing the power of the used forging and pressing equipment due to the use of energy-saving dies that can significantly increase the deforming force. A stamp capable of significantly increasing the deforming force is called energy-saving . The article shows that using different types of levers, it becomes possible to significantly increase the useful force of stamping tools acting on a deformable workpiece. Thus, it becomes possible to use relatively low-power pressing equipment to achieve significant forces of the working tool. Based on the given mathematical dependences of the geometric and power characteristics of the energy-saving stamp, a computer program was developed in MS Excel and modeling was carried out, with the help of which it was studied how the deforming force R changes depending on the change in the angle of inclination of the punches  and the corresponding graph was plotted at a predetermined constant pushing force F = 1 N. After analyzing the resulting graph, it can be argued that a tenfold increase in the deforming force R compared to the pushing force F, which is created by the pressing equipment, is observed at an angle of  = 5.35 degrees, fifty times at an angle of 1.1 degrees. At angles approaching 0 degrees, the increase in the deforming force can reach significant values and is limited only by the strength of the energy-saving stamp itself. Calculation formulas are given that allow calculating the main dimensions of the punches and the working stroke of the forging and pressing equipment for a given working stroke of the punches and a given increase in the deforming force. Possible areas of application of the energy- saving stamp are shown.
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