Effects of the forming parameters on the spinning force of the oblique tubes forward spinning;
成形工艺参数对倾斜类管件正旋时旋压力的影响规律研究
From the experiments of tube workpieces with thin-wall for forward spinning, the effect law of thinning ratios, roller feedin and material performance on the quality of tube workpieces for forward spinning were obtained, and the processing parameters were optimized.
通过对薄壁长筒形件正旋试验,得到了减薄率、旋轮进给比、毛坯尺寸和性能等参数对旋压成形质量的影响规律,优化了工艺参数,为今后旋压不同产品提供了真实的参考依据。
Based on grinding movements' analysis of pulping material in the BIVIS extruder, the paper has studied design theories of transport screws of the machine, and inferred relationship expressions of a flux rate of the pulping material and basic parameters of a mechanism of the twin screw extruder, and put forward a basic thoughtfulness of design for the BIVIS extruder.
在分析双螺杆磨浆机中物料磨浆运动的基础上 ,对双螺杆磨浆机的正向螺旋的设计理论进行了研究 ,建立了流量与双螺杆机构正向螺旋的基本参数之间的关系 ,提出了双螺杆磨浆机设计的基本思路。
3D FEM model for forward flow forming was established.
Marc ,对TC4筒形件热旋正旋成形过程进行三维弹塑性有限元模拟研究 ,建立起正旋成形的三维有限元计算模型 ,分析了旋压加工中隆起现象 ,计算了旋压力 ,得到了工艺参数对隆起及旋压力的影响关系。
From Indo-China Movement to Yenshan Movement, it was a left-lateral normal fault.
沃溪断层最早形成于雪峰期 ,为铲式正断层 ;加里东期表现为右旋斜冲性质 ,西部错失鱼儿山矿体上部层脉 ,错失矿体在鱼儿山以东 ;印支—燕山期表现为左旋正滑性质。