Based on the simulation software Abaqus,the numerical simulation of rolling process of conical ring with inner steps was taken.
以Abaqus三维有限元模拟软件为平台,对内台阶锥形环件的轧制过程进行了数值模拟,通过模拟计算揭示了内台阶锥形环件轧制缺陷的形成机理。
The numerical simulation of hot rolling process of LD10 aluminum alloy conical ring with inner steps was taken based on the experimental data.
采用Gleeble3500热模拟实验机进行了压缩实验,分析了LD10铝合金的高温力学性能;在D51-160热轧环机上进行热轧实验,确定了LD10铝合金环件初始轧制温度为470℃;以实验数据为基础,对LD10铝合金内台阶锥形环件的热轧过程进行了数值模拟,分析了LD10铝合金内台阶锥形环件轧制缺陷形成机制,并对预轧制环件进行了设计;通过热轧实验对数值模拟结果进行了实验验证。
In the case of equal axial height,cone angle and volume,the horizontal cross section area of conical rings with different wall thickness distributes much differently,so it is very difficult to roll conical ring with conical blank directly.
锥形环锻件是一种典型的异形截面环件。
The reasons of electrode accidents are analyzed from the five sides: electrode cohesion device,the quality of electrode paste,the pressure of conical ring,the particle size of electrode paste,the height of paste column,and the measures to reduce electrode accidents are put forward.
从电极抱紧装置、电极糊质量、锥形环压力、电极糊粒度、糊柱高度等5个方面对造成电极事故的原因进行了分析,并提出了减少电极事故的措施。