针对人工或半自动化切割平板设备安全性低、耗费体力大的现状,为实现生产线工作的连续性,提出了一种基于PLC全自动控制的切割平板设备。设计了切割平板设备机械结构的总体方案;采用以三菱Q系列PLC为控制核心,设计了整个系统的控制模块,...针对人工或半自动化切割平板设备安全性低、耗费体力大的现状,为实现生产线工作的连续性,提出了一种基于PLC全自动控制的切割平板设备。设计了切割平板设备机械结构的总体方案;采用以三菱Q系列PLC为控制核心,设计了整个系统的控制模块,包括气动控制模块和电路控制模块,利用气动控制模块实现平板夹紧和伺服电机的牵引功能,利用电路控制模块实现切割平板设备运送、切割及其他信号的接收和处理功能。采用GX Works 2软件实现自动切割平板设备的回原点、手动、自动、自行检测、报警等控制功能。实验结果表明此系统具有安全性高、稳定性好、方便实用等特点,且能有效提车间平板的调度管理能力。该系统能改善人工或半自动化切割平板设备安全性、劳动强度大的现状,提高了车间平板的搬运效率。展开更多
This paper describes the cutting behavior ofa 1 mm thickness acrylic worksheet sheared by a squared punch/die apparatus. In the shearing experiment, a load cell and a high speed camera were used for investigating the ...This paper describes the cutting behavior ofa 1 mm thickness acrylic worksheet sheared by a squared punch/die apparatus. In the shearing experiment, a load cell and a high speed camera were used for investigating the shearing load response and the deformation behavior of the worksheet. It was found that the mechanical parameters, i.e., the punch-die clearance and the feed velocity of the punch, affected the shearing load response, the cracks initiation behavior and the separation capability of the worksheet. Additionally, a FEM （finite element method） analysis simulating a two dimensional shearing deformation was carried out in order to investigate the influence of punch-die clearance on the failure patterns. Through this simulation, it was revealed that the punch-die clearance remarkably affected the tensile state of stress concentrated in the sheared zone and the crack initiation behavior of the worksheet.展开更多
文摘针对人工或半自动化切割平板设备安全性低、耗费体力大的现状,为实现生产线工作的连续性,提出了一种基于PLC全自动控制的切割平板设备。设计了切割平板设备机械结构的总体方案;采用以三菱Q系列PLC为控制核心,设计了整个系统的控制模块,包括气动控制模块和电路控制模块,利用气动控制模块实现平板夹紧和伺服电机的牵引功能,利用电路控制模块实现切割平板设备运送、切割及其他信号的接收和处理功能。采用GX Works 2软件实现自动切割平板设备的回原点、手动、自动、自行检测、报警等控制功能。实验结果表明此系统具有安全性高、稳定性好、方便实用等特点,且能有效提车间平板的调度管理能力。该系统能改善人工或半自动化切割平板设备安全性、劳动强度大的现状,提高了车间平板的搬运效率。
文摘This paper describes the cutting behavior ofa 1 mm thickness acrylic worksheet sheared by a squared punch/die apparatus. In the shearing experiment, a load cell and a high speed camera were used for investigating the shearing load response and the deformation behavior of the worksheet. It was found that the mechanical parameters, i.e., the punch-die clearance and the feed velocity of the punch, affected the shearing load response, the cracks initiation behavior and the separation capability of the worksheet. Additionally, a FEM （finite element method） analysis simulating a two dimensional shearing deformation was carried out in order to investigate the influence of punch-die clearance on the failure patterns. Through this simulation, it was revealed that the punch-die clearance remarkably affected the tensile state of stress concentrated in the sheared zone and the crack initiation behavior of the worksheet.
