Based on analyzing some quenchants, the FEROQUENCH 2000 polymer quenchant, cooling rate of which is similar to that of rapid quenching oil, is used for quenching of the bush.
在分析几种淬火液的基础上 ,选用冷却速度与快速淬火油相近的FEROQUENCH 2 0 0 0淬火液用于轴管淬火冷却 ,淬火后的轴管彻底消除了淬火裂纹 ,而且改善该零件热处理后的力学性能。
The shortcomings of the boss quill′s using previous hot extrusion process were analysed.
分析了汽车轮毂轴管原热挤压工艺存在的缺点与不足,并在分析研究轴管性能要求和结构特点的基础上,经过反复的分析、计算、试验,形成了能满足产品质量和大批量生产要求的复合热挤压新工艺。
The existing shortcomings of the previous hot extrusion process of the boss quill were introduced and the prominent characteristics of the improved process were pointed out.
介绍了轮毂轴管原热挤压工艺存在的缺点与不足 ,指出了改进工艺的突出特点。
Improving technology and optimizing production for stern shaft axis;
艉轴管工艺改进与生产优化