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爪极预锻上模组合模芯优化设计
英文标题:Optimization design on pre-forging composited die core for claw pole
作者:孙跃1 庄晓伟1 孙昊1 杨程2 
单位:江苏龙城精锻有限公司 西安建筑科技大学 
关键词:预锻 爪极 组合模芯 整体模芯 开裂 正交试验 Deform-3D 
分类号:TG316
出版年,卷(期):页码:2016,41(12):122-126
摘要:

 为了解决爪极预锻上模模芯易在凸台圆角和爪齿型腔外侧圆角处开裂的问题,设计了爪极预锻上模组合模芯。采用Deform-3D数值模拟软件对爪极预锻上模整体模芯和组合模芯进行了模拟分析,并通过正交试验对组合模芯的结构参数进行了优化。分析结果表明:爪极预锻上模组合模芯具有更好的成形性能和较低的模具应力,组合模芯优化后的结构参数为:凸台模芯直径Ф43 mm、凸台模芯斜度0°、凸台模芯过盈量0.3 mm、模套过盈量0.6 mm、凸台模芯高度47 mm。预锻成形试验表明,3层组合模具可以有效避免预锻上模的开裂缺陷。

In order to solve the problem of crack occurring in the middle boss fillet and claw cavity flllet of claw pole pre-forging die, a pre-forging composited die core was designed. The forging integral die core and composited die core of pre-forging for claw pole were numerically simulated by Deform-3D, and the structure parameters of the composited die core were optimized by the orthogonal experiment. The results show that the claw pole pre-forging composited die core is of better formability performance and lower die stress. The optimal structure parameters of composited die core are acquired with the convex core diameter 43 mm, the convex core angle 0°, the convex core interference fit 0.3 mm, die set interference fit 0.6 mm, and convex core height 47 mm. The pre-forging tests show that the crack of pre-forging die can be avoided by three-layer composited die core.
基金项目:
作者简介:
作者简介:孙跃(1980-),男,学士,高级工程师 E-mail:sunyue@longchengforging.com
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