| 1. | Influence of bauschinger effect on springback in sheet metal stretch bending
包辛格效应对板材拉弯回弹的影响 |
| 2. | Finite element simulation for stretch bending forming of t - shaped section of aluminum alloy
型材拉弯成形的有限元模拟 |
| 3. | Method for springback evaluation in stretch bending of aluminium alloy sheets for automotive use
汽车用铝合金薄板的拉弯回弹性评价方法 |
| 4. | At last , the author analyzes and studies numerical simulation of stretch bending forming with lateral compression
在论文的最后进行了有侧压拉弯成形模拟的分析与探讨。 |
| 5. | Stretch bending is an important plastic bend process and is widely applied to forming the workpieces of aircraft and car
拉弯是一种重要的弯曲成形工艺，广泛应用于飞机和汽车弯曲件的成形。 |
| 6. | Using numerical simulation technology , many researches investigate the plastic forming processes . but rotary stretch bending is little studied
很多学者使用有限元模拟方法对塑性成形工艺进行了分析，在这之中，对转台式拉弯成形工艺研究较少。 |
| 7. | For the first time , the process of the rotary stretch bending with lateral compression is analyzed by analytical method , and a new explanation is put forward to explain the negative springback in the forming process
本文首次使用解析法对侧压转台式拉弯成形过程进行分析，并对成形过程中的负回弹现象提出了新的解释。 |
| 8. | By using finite element simulation method and plastic distortion theory , the author analyzes the principle of the stretch bending forming and builds finite element model of rotary stretch bending
本文采用有限元模拟的方法，结合金属成形的塑性变形理论，深入分析了拉弯的成形机理，建立了用于转台式拉弯成形模拟的有限元模型。 |
| 9. | To analyse stretch bending of narrow strip by numerical calculation , taking the loading history into account , the deformed zone was divided into many elements to determine their strain by the condition that constant volume remains in deformation
摘要在考虑加载历史的情况下，为采用数值方法研究窄板拉弯成形，将变形区划分成若干个单元，按塑性变形体积不变条件，确定单元应变。 |
| 10. | It has been proved in fact that the approach of stretch bending can decrease the springback effectively , and this can improve the forming precision , so the process of stretch bending can be widely used in the forming of the workpieces in the field of car and aircraft
实践证明，采用拉弯工艺可以有效减小回弹，达到提高成形精度的目的。因此，拉弯工艺在飞机、汽车弯曲件成形中得到了广泛的应用。 |
