它实际上代表了辙叉角的余切值。
辙叉是线路上工作条件最为严峻的轨道部件之一。
The frog is one of the rail way parts working under the most rigorous condition.
碳钢钢轨与高锰钢辙叉的焊接难度很大，仍属国际性难题。
It is very difficult to welding a high carbon steel rail and a high manganese steel frog, which is still a worldwide puzzle.
辙叉内部的铸造缺陷主要是沿晶界析出的非金属夹杂物和缩松。
The casting defects in the railway frog were mainly the nonmetal inclusions and the shrinkage.
铁路建造和维护设备。尖轨与辙叉的水准测量和布局维护。捣固和修整重型机械。
Railway track construction and maintenance plant. levelling and layout maintenance of points and crossing. tamping and trimming heavy mechanical.
从铁路辙叉液压自动磨床的功能分析入手，设计了其机械系统、液压系统、控制系统。
From the function analysis of automatic hydraulic grinder for machining the railroad crossing, its mechanical system, hydraulic system and control system were designed.
根据计算机模拟结果和辙叉心轨的几何形状的特殊性，确定了辙叉心轨的铸造工艺方案。
According to the calculated results and the geometry of frog, the casting process was determined.
通过分析焊接接头组织和力学性能，表明与辙叉母材的性能基本一致，能够满足使用要求。
The welding metal can form granular bainite structure and mechanics property of welding joints is consistent with the parent metal. The result shows that this welding electrode can meet the need.
介绍GZ M型钢轨辙叉打磨机的设计原理、功能特点和技术参数，并对其运用效益进行分析。
This is to introduce the design principle, function, feature and technical parameter of GZM frog grinder, and have an analysis on the benefits it may bring.
采用两种过渡层方法，使用研制的过渡层焊接材料，结合强制成形电弧焊工艺进行了高锰钢辙叉与钢轨双过渡层对接焊试验。
By two double-mediate layer method, using developed welding materials and technology of forced arc molding, butt joining tests of high manganese steel with rail steel are completed.
采用两种过渡层方法，使用研制的过渡层焊接材料，结合强制成形电弧焊工艺进行了高锰钢辙叉与钢轨双过渡层对接焊试验。
By two double-mediate layer method, using developed welding materials and technology of forced arc molding, butt joining tests of high manganese steel with rail steel are completed.
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