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   法兰起皱 的翻译结果: 查询用时:0.816秒
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法兰起皱    
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  flange wrinkling
    The law of flange wrinkling for rectangular box deformation has been studied in this paper, and form the energy method, the analytical rule for the wrinkling is derived when material property parameters, dimensions of the sheet and die are considered.
    本文系统研究了盒形件法兰起皱机理,利用能量法,考虑了板材性能参数、板料几何尺寸和模具几何参数等板料成形影响因素,定量分析了盒形件拉深成形法兰起皱失稳判据。
短句来源
  flange wrinkling
    The law of flange wrinkling for rectangular box deformation has been studied in this paper, and form the energy method, the analytical rule for the wrinkling is derived when material property parameters, dimensions of the sheet and die are considered.
    本文系统研究了盒形件法兰起皱机理,利用能量法,考虑了板材性能参数、板料几何尺寸和模具几何参数等板料成形影响因素,定量分析了盒形件拉深成形法兰起皱失稳判据。
短句来源
  flange wrinkle
    Critical Flange Wrinkle Condition in Intelligent Control of Deep Drawing Process
    拉深过程智能化控制中的法兰起皱临界条件
短句来源
  flange wrinkle
    Critical Flange Wrinkle Condition in Intelligent Control of Deep Drawing Process
    拉深过程智能化控制中的法兰起皱临界条件
短句来源
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  flange wrinkling
A calculation method for determining the limit of flange wrinkling in the deep-drawing of cylindrical steel shells without blank
      
Flange wrinkling in deep drawing of cylindrical cups without a blankholder restricts the depth of the cup.
      


From energy theory, the critical blank holding force(BHF)of flange wrinkle in deep drawing of axisymmetric parts is derived when friction is considered. And the main factors which influence the critical flange wrinkle BHF are discussed. This work provides a basis to predict the optimal BHF for intelligent control of deep drawing process.

从能量原理出发,推导出了考虑摩擦影响时轴对称件拉深过程中法兰起皱的临界压边力,分析了摩擦系数、毛坯相对厚度等主要因素对法兰起皱临界压边力的影响,为拉深过程的智能化控制提供了预测最佳压边力规律的理论依据.

Based on the mechanical model discussed in the paper Part1,according to energy theory, the paper proposes two formulae calculating the critical wrinkling BHF both on circle and straight sections considering plyanisotropy, strain hardening, thickness variation of sheet metal as well as friction. Using the formulae of critical fracture BHF proposed in Part1, a calculation example fully discussed is presented.

在研究一文中力学建模及解析的基础上 ,提出法兰直边区和圆周区二维起皱变位函数 ,根据能量原理 ,考虑厚向异性、板厚变化及摩擦等因素 ,按直边区和圆周区起皱两种情况求解出法兰起皱临界压边力公式 ,并结合研究之二所得的破裂临界压边力 ,设计算例验证分析。

Blank wrinkling, side wall wrinkling and side wall rupture are the main obstacles in deep drawing. Controlling the BHF properly is the key where we can prevent the sheet metal from wrinkling and rupturing. Based on the earlier study, referring to the properties of deep drawing, the successful range in the forming tri-limit diagram of conical workpiece deep drawing and the way how to get the optimal BHF are presented, which is used to design the tooling, process parameters and is the basis of intellectual control...

Blank wrinkling, side wall wrinkling and side wall rupture are the main obstacles in deep drawing. Controlling the BHF properly is the key where we can prevent the sheet metal from wrinkling and rupturing. Based on the earlier study, referring to the properties of deep drawing, the successful range in the forming tri-limit diagram of conical workpiece deep drawing and the way how to get the optimal BHF are presented, which is used to design the tooling, process parameters and is the basis of intellectual control in deep drawing.

法兰起皱、侧壁起皱和侧壁破裂是拉深成形的主要障碍,而合理控制压边力是防止起皱破裂的关键所在.在总结前期研究成果的基础上,结合拉深成形过程的特点,在成形三极限图中给出了圆锥形零件拉深成形的成功区域,并提出了获得最佳压边力控制规律的方法.这为圆锥形零件拉深成形中的模具设计、工艺参数的制定提供了依据,也为拉深智能化控制提供了保证.

 
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