国内外电加热器精加工学者采用理论预测、切削试验及有限元仿真等方法获得了适用于不同材料的最小切削厚度值。 Scholars at home and abroad have obtained the minimum cutting thickness for different materials by means of theoretical prediction, cutting test and finite element simulation.
电加热器精加工研究结果表明,当每齿进给量与切削刃半径的比例小于1 时,即发生最小切削厚度效应,此时,最小切削厚度效应降低了沟槽底部的Ra 值。
The research results of electric heater finishing show that when the ratio of feed to cutting edge radius is less than 1, the minimum cutting thickness effect will occur. At this time, the minimum cutting thickness effect reduces the Ra value at the bottom of the groove.
基于分子动力学理论建立了适用于AISI1040 材料的最小切削厚度和切削刃钝圆半径的关系。电加热器精加工指出切削速度、热软化效应及切削刃钝圆半径均会影响材料最小切削厚度。
Based on the theory of molecular dynamics, the relationship between the minimum cutting thickness and the blunt circle radius of the cutting edge is established for the AISI1040 material. It is pointed out that the cutting speed, the heat softening effect and the blunt circle radius of the cutting edge all affect the minimum cutting thickness of the material.
田霖等考虑了电加热器精加工速度效应的影响,采用自主研发的单颗磨粒磨削砂轮装置对高温合金材料进行磨削试验,确定了高温合金材料的最小切削厚度。
Tian Lin and others considered the effect of finishing speed effect of electric heater. A grinding grinding wheel device with a single abrasive grain developed independently was applied to grinding the superalloy material, and the minimum cutting thickness of the superalloy material was determined.
VOGLER 等采用有限元仿真软件ABAQUS 确定了电加热器珠光体及铁素体对应的最小切削厚度与切削刃钝圆半径之间的关系。
VOGLER and other finite element simulation software ABAQUS have been used to determine the relationship between the minimum cutting thickness corresponding to the pearlite and ferrite and the blunt circle radius of the cutting edge. |
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