The design of electronic shedding system of three-dimensional loom based on servo control. An electromagnetically controlled circular loom shedding mechanism: 201110184715.3.
SUN Zhihong, ZHOU Junyan, ZHOU Shenhua, et al. Three-dimensional textile reinforcement and its application in the aerospace field. Key words: host computer, interlayer angle interlocking fabric, loom, preform, programmable logical controller The cylinder motion matrix file was edited through Excel and then copied into the host computer to complete the data format conversion and complete the control program change. The research results show that the process information data format conversion CAM software module, host computer communication software and PLC control system developed in this research were feasible. The hardware and software design of PLC control system, and experimental verification of the feasibility of the control system of jacquard loom were carried out based on the use of the host computer. Further, a PLC host computer communication software was developed based on Visual Basic to facilitate real-time transmission of process information to the PLC, and monitor the production process. The host computer communication system was firstly designed and a process information data format conversion CAM software module was built based on Python and QT-Designer. Aiming at the problem that the weaving of small batch and multi-type interlayer angle interlocking fabrics needs frequent change of the automatic weaving shedding control program, this paper proposes an loom shedding control system based on the host computer, including data format conversion computer aided manufacturing(CAM)software, host computer communication system and programmable logical controller(PLC) control system.
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