壓型工藝方案的B柱回彈補償策略研究

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中圖分類號：TG386 文獻標志碼：B 文章編號：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

在乘用車側(cè)面碰撞試驗中[1-3]，B柱是最重要的安全結(jié)構(gòu)件之一，在碰撞中既要起到吸能的作用還要起到保護車內(nèi)人員的作用[4]。（剩余3080字）