在磨削加工过程中产生表面残余应力,其产生机理是磨粒刃作用引起的挤压应力和切削应力及热应力的综合作用效应。
The production mechanism of the surface residual stress producing in grinding process is the combined effect on extrusion stress and the cutting stress and the thermal load.
针对圆锯片基体的适张处理,在考虑切削热影响的情况下,应用ANSYS对新型组合式金刚石圆锯片基体进行应力、变形分析。
For tensity disposal of saw blade, the cutting heat was considered when analysing the stress and deformation of the new combined diamond saw blade by applying ANSYS.
本文从切削力、表面粗糙度、表面残余应力几个方面,研究了金刚石刀具刃口修锐度对切削表面质量的影响。
In this paper, the influence of diamond tool sharpness on machined surface quality was studied from the viewpoints of the cutting force, surface roughness and residual stress.
时效处理和金属切削用量对零件的表面残余应力有着重要的影响。
Both the aging treatment and metal cutting regime have great influence on surface residual stresses of machine parts.
并用第一原理应力计算方法对单晶硅纳米切削过程中的脆塑转变的可行性进行了研究。
Moreover, the feasibility of brittle-ductile transition of monocrystalline Silion is studied with the method of first principle stress.
基于刚塑性有限元方法建立了切削加工过程仿真模型,通过模拟获得了切削加工过程中刀具应力的分布和变化情况。
The model of cutting process is established based on the rigid-plastic FEM, and the transient stress distribution of cutting tool in cutting process is obtained through the simulation.
在金刚石面额外的坡口设计使得压力分散在更大面积上,这样加到切削齿上的应力也就更低。
The additional bevel on the diamond face of the cutter enables compression to spread across more area, leading to a lower stress gradient across the cutting edge.
本文主要研究了应力场下锯切切削力的特点。试验证明在拉应力场下锯切工件比普通锯切工件的锯切力小,使切削更加有利、高效。
This paper mainly study the feature of sawing force under stress field. The experiments prove that the cutting force under stress field is smaller than that of common sawing.
在切削加工中,为了提高已加工工件的表面质量,需要研究切削速度和进给量对已加工工件残余应力的影响规律。
The effects of cutting speed and feed on residual stress of workpiece machined should be studied to improve surface quality in machining.
高钒高速钢干滑动磨损机理为显微切削和疲劳磨损的复合,并且有应力作用下碳化物的碎裂及脱落。
The wear mechanism of high vanadium high-speed steel is combined micro-cutting and fatigue wear with carbide particle breaking and peeling off under stress.
利用商业化软件DEFORM - 2d,对所建立的模型进行了有限元分析,得到了切屑成形、温度分布、切削力变化以及残余应力等结果。
The above FEM model is analyzed by commercial software DEFORM-2D, and some results including the chip formation, temperature distribution, cutting force variable and residual stress were obtained.
从计算结果中提取应力应变云图显示了工件及刀具的应力应变分布情况,以此对切削过程中应力应变的变化进行了分析。
The images from result show the distribution of stress and strain and supply basis for the analysis to the change of stress and strain.
本文用平面光弹方法,对阶梯金刚石钻头切削刃下岩石的应力进行分析。
Rock cutting by a step ped bit has been studied with experimental stress analysis and is tested under atmospheric pressure.
应用商业有限元软件AN - SYS分析了立铣切削力产生的残余应力及其对工件变形的影响。
The residual stress produced by end-milling force and its effect on the work-piece deformation is analyzed by means of the commercial fe software ANSYS.
刮削残余应力与刮削功率及切削力之间的函数关系,可用作汽车齿轮制造中监测刮削残余应力状态的参考依据。
The functional relation of the residual stresses and the skiving power and force can be applied to monitor the residual stresses pattern of automotive gears during the skiving process.
该文运用实验的方法对木材切削加工所用的圆锯片上的温度分布进行了测定,据该温度梯度对圆锯片的热应力进行了详细的分析和计算。
This paper analyzes and calculates the thermal stress in the blades of circular saws used in cutting wooden pieces based on the detecting of temperature differences.
根据正交切削特点建立了有限元模型,应用弹塑性力学讨论了切削变形区的弹、塑性阶段的应力、应变状态。
Establish finite element model, and use elastic - plastic mechanics to discuss stress-stain state of elastic and plastic deformation in cutting zone.
金属切削是一个伴随着高温的塑性大变形过程,在加工表面往往产生高达几百兆帕的残余应力。
Metal cutting generally involves a large amount of plastic deformation and is coupled thermomechanical process. It always comes with several hundred MPa of residual stresses on the machined surface.
根据弹塑性有限元理论,利用有限元软件建立了切削模型,得到了不同切削速度和进给量下已加工工件的残余应力。
Acording to elastoplasticity FEM, cutting models are created and the residual stress of workpieces machined with different cutting speed and feed are obtained in this article.
本文分析了切削加工表面残余应力的产生原因和影响因素,并针对这些产生原因,介绍了几种可行的方法来控制和调整残余应力。
Generation and affecting factors of residual stresses are analyzed in this paper. In addition, several feasible methods are presented to control and regulate residual stresses in high-speed machining.
高速切削加工时,已加工表面存在的残余应力影响工件的使用性能和疲劳强度。
Residual stresses are generated in the machined layer for high-speed machining. The residual stresses impacts the working performance and fatigue strength of parts.
最大刀具等效应力出现在前刀面上切削刃的周围,工件上最大等效应力出现在第一变形区。
The maximum tool effective stress is located in the flank face near cutting edge and the shear deformation zone on the workpiece.
加工过程中的切削力、残余应力将产生零件加工变形及加工误差。
The cutting force and residual stress have considerable influence on the distortion of thin-walled parts.
加工过程中的切削力、残余应力将产生零件加工变形及加工误差。
The cutting force and residual stress have considerable influence on the distortion of thin-walled parts.
应用推荐