| 1. | Study of warm extrusion process for piston pin 活塞销温挤压工艺探讨 |
| 2. | Probe into the forming process of the warm extrusion of the complex cup part 复杂杯形件温挤压成形工艺浅探 |
| 3. | The numerical simulation of forming process of warm extrusion of complex cup part 复杂杯形件温挤压数值模拟 |
| 4. | Numerical simulation of the temperature distribution of warm extrusion for the outer - race 滑套温挤压成形温度场的数值模拟研究 |
| 5. | Application of warm extrusion technology for parts forming of aluminum - alloy shells 温挤压技术在铝合金壳体类零件成形上的应用 |
| 6. | System defects and causes of the numerical simulation of spur gear with warm extrusion 圆柱直齿轮温挤压数值模拟系统缺陷及其成因 |
| 7. | Numerical simulation and analysis on warm extrusion forming for copper alloy solid bearing retainer 温挤压轴承保持架数值模拟及工艺缺陷分析 |
| 8. | At the same time , in the field of warm extrusion forming technique for pockety wall thickness forging , the research conclusion of this paper has important leading meaning and application value 同时,本论文的研究成果对非均匀壁厚锻件的温挤压成形工艺研究有重要的指导意义及实用价值。 |
| 9. | Aiming at the problem of incline of lintel in warm extrusion forming process for copper alloy solid bearing retainer , the rigid - plastic fem analysis models have been setup and numerical simulation and analysis been made , improving measures put forward 摘要针对轴承保持架温挤压成形中出现的过梁倾斜等问题,建立了刚塑性有限元模型,对温挤压成形过程进行数值模拟,并提出了相应的改进措施。 |
| 10. | In different in terne die travel , the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve . . at the same time , we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally , the optimized technics parameters were used into pilot production , then the qualified oil pump stator forging were produced , the analog results were compared with those of pilot production 论文具体分析研究了不同成形工艺过程中金属流动的特点,并对不同凸模行程下温挤成形过程中的金属流动特点、坯料连皮厚度(底部高度)与温挤压成形工艺中的轴向界限尺寸的差值对金属变形阶段的影响进行了分析,获得了坯料在不同凸模行程下的等效应变场、速度场等场变量及凸模行程-载荷曲线,同时对油泵定子成形过程的影响因素等进行了分析,优化并获得了合理的温挤成形工艺及模具参数。最后,利用模拟优化获得的各项工艺参数进行生产实验,得到实际生产出的合格油泵定子件,并将模拟结果与生产实验结果进行比较。 |