压型工艺方案的B柱回弹补偿策略研究

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中图分类号：TG386 文献标志码：B 文章编号：1671-5276（2025）03-0087-03

Study on Springback Compensation Strategy of B-pillar with Forming Press Plan

DING Shunfeng， ZHANG Shengli， LIU Qing（FAW ToolingDie（Tianjin）Co.，Ltd.，Tianjin 301509，China）

Abstract：TheB-pillrof passenger vehicle，madeof highstrength steel withthick shee material，andwithspringbackof formingprocesslargerthanthatofthedrawing process，hasthedificultyindevelopingspringbackcompensationstrategyThis paper，basedonthecharacteristicsofB-pilaospringbackandproductionlineofforming processof acertainvehiclemodel， analyzes the springback ofall processbytheCAEsoftwareofAutoForm，developsthe strategiesfor springback post-formingto compensateoneself，thefinal sequencespringback torecompensatetheforming process，the final sequencespringback to recompensate the restrike process，and all die to be nested.All die nesting is constrained within 2mm ，and the final parts springback is controlled within ±0.5 mm.

Keywords：B-pillar；high strength steel；springback compensation； forming；AutoForm

0 引言

在乘用车侧面碰撞试验中[1-3]，B柱是最重要的安全结构件之一，在碰撞中既要起到吸能的作用还要起到保护车内人员的作用[4]。（剩余3080字）