RFV Redial Force Variation

To satisfy the forming need of low plasticity materials and large height-diameter ratio parts,a new process of hydrodynamic deep drawing(HDD) with independent radial hydraulic pressure was proposed.

基于低塑性、大高径比铝合金板材零件成形需求,提出了主动径向压力充液拉深新技术。

To satisfy the forming need of low plasticity materials and large height-diameter ratio cups,the hydrodynamic deep drawing(HDD) with independent radial hydraulic pressure technology was proposed.

以零件成形最终壁厚分布为评定标准,分析了不同主动径向压力加载路径对成形质量的影响。

Aimed at the forming need of aluminum-magnesium alloy and other low plasticity materials,a new double loading paths process of hydrodynamic deep drawing(HDD) with independent radial hydraulic pressure and chamber pressure was brought forward.

模拟结果表明,采用合理的液室加载曲线,并配合20~45 MPa的主动径向压力,可有效地提高铝镁合金平底筒形件的成形极限,拉深比可达到3。