靳尚烨,倪骁骅.精密金属丝网拉伸成形有限元分析及工艺优化[J].精密成形工程,2024,16(11):189-195.
JIN Shangye,NI Xiaohua.Finite Element Analysis and Process Optimization of Precision Wire Mesh Drawing[J].Journal of Netshape Forming Engineering,2024,16(11):189-195. |
| 精密金属丝网拉伸成形有限元分析及工艺优化 |
| Finite Element Analysis and Process Optimization of Precision Wire Mesh Drawing |
| 投稿时间：2024-01-29 |
| DOI：10.3969/j.issn.1674-6457.2024.11.022 |
| 中文关键词: 金属丝网 拉伸成形 数值模拟 拉伸极限 工艺优化 |
| 英文关键词: wire mesh stretch forming numerical simulation tensile limit process optimization |
| 基金项目:江苏省研究生科研与实践创新计划(SJCX22_XY049) |
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| 中文摘要: |
| 目的 针对喇叭防尘网罩在拉伸成形过程中的起皱、折叠和断裂等质量问题，研究工艺参数对拉伸质量的影响特性，探寻较佳工艺参数。方法 应用Deform软件模拟喇叭防尘网罩的拉伸成形过程并进行仿真验证。在单一条件下分别研究冲压速度、压边间隙、摩擦因数以及凹凸模圆角半径对喇叭网罩拉伸极限的影响规律。以拉伸极限为评判标准，对丝网直径、压边间隙、摩擦因数和冲压速度4个工艺参数进行正交试验优化，结合极差分析研究以上4个因素对评判标准影响的主次关系及最佳工艺参数。结果 各参数按对拉伸极限的影响由大到小的顺序依次是丝网直径、压边间隙、摩擦因数、冲压速度，最佳工艺参数如下:丝网直径为0.065 mm、压边间隙为0.2 mm、摩擦因数为0.05、冲压速度为30 mm/s。结论 通过有限元模拟与分析，确定了影响产品质量的主要工艺参数及影响特性，通过试验实现了最佳工艺参数组合，提高了产品质量。 |
| 英文摘要: |
| The work aims to study the effect of process parameters on the quality of horn dust filter covers in the process of stretch forming, such as wrinkling, folding and breaking, and to find the best process parameters. Deform software was used to simulate the stretch forming process of horn dust filter covers and the simulation was carried out. The effects of stamping speed, blank holder clearance, friction coefficient and radius of concave and convex die on the tensile limit of horn mesh covers were studied under a single condition. Taking the tensile limit as the criterion, the orthogonal experiment was carried out to optimize the four process parameters of wire mesh diameter, blank holder clearance, friction coefficient and stamping speed, and the relationship of the effect of the above four factors on the evaluation criteria and the optimal process parameters were studied by combining the range analysis. Results showed that the main order of the effect of each parameter on the tensile limit was wire mesh diameter, blank holder clearance, friction coefficient, stamping speed. The optimum process parameters were as follows:wire mesh diameter 0.065 mm, blank holder clearance 0.2 mm, friction coefficient 0.05 and stamping speed 30 mm/s. In conclusion, through finite element simulation and analysis, the main process parameters and influencing characteristics of the product quality are determined, and the optimal combination of process parameters is realized through experiments to improve the product quality. |
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