| Mold die spotting press machine is one of most important equipments whichmaintain molds in automobile,plastic and die-casting industry manufacturing.Thisarticle developed a mold die spotting press machine,which is able to mobile, flip, pressand test the mold.At the same time it have the function of self-checking, in order toimprove mold correction in time, lift the working efficiency.This design choose the PLCcontroller and hydraulic synchronous controller HNC to build the electric controlsystem of this press machine.First, this article introduces the basic structure and function of the mold diespotting press,analyzes the mechanical,hydraulic and pneumatic system based on thetechnological characteristics and requirements in order to design the electronic controlsystem, the article also emphasized the equipment’s safety design strategy.After the understanding of the mold die spotting press’s requirements in controlsystem, this paper designed a distributed electrical control scheme to meet the needs ofthe stability of the mechanical structure and control precision, divided the electriccontrol system into two parts and implement real-time communication.the design alsoconsist of hardware and software parts.The hardware part includes electricalcomponents selection analysis and the design of circuit diagram;Software part includesprocess control process design, program design, network configuration andman-machine interface design.At last this article does some mathematical analysis of the two main cylindersynchronization control, based on the analysis of the theory of hydraulicsynchronization controller HNC,constructs the mathematical model, simulate themathematical system and comparing with the actual operation results. |
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