The Research Of The Special Component's FW/FP Flexible Manufacture Technology--The Part Of Computer Control

Fiber reinforced plastics have used widely in every walk of life, especially in aviation and spaceflight because they have more merits than common metal materials, such as light quality, high intensity and so on.They have replaced metal step by step and hold an advantaged position .Fiber winding / fiber placement is one of means that we machining fiber reinforced plastics, Its furnishment is the equipment of the combination of mechanism and electron .The developed countries in Occident have researched it and have made progress in 1970'So At present, the development of the technology and the furnishment is inchoate in our country. Therefore, it is very necessitous to research this task. It not only can make up for the vacancy about this area in our country , but also makes a great contribution to the industry and national defense project.The research goal of the task is to add the equipment of fiber placement controlled by computer in the base of existent five-axes numerical control fiber winding machine, research and empolder the six to seven axes linkage computer control system of the fiber winding / fiber placement machine, and realize fiber winding / fiber placement of complicated form and structure.The placement molding technology of fiber reinforced plastics has been developed from the bases of filament winding and fiber bespreading .It is a mechanization and automation molding technics. In the technology of fiber placement molding , it is main to use the assembly of placement delivery head. It includes adding means, compaction means, cutting means and so on. They have used the bicycle pump and the motor for the performance setup .The control system of the fiber winding / fiber placement is usual to adapt computer numerical control .The goal of the paper is to realize the computer numerical control of the adding means, the compaction means and the cutting means. It includes Bus design, interfaces design, system collectivity design and programming. We use ISA Bus. And the interfaces have analog input, analog output and digital input / output. We have used differently cards, such as PC-6330D A/D card, PCL-728 D/A card based ISA Bus, IPC-5375 I/O card and so on. In addition, we select micro-stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor. We program control software by VC++6.0 and achieve the computer control of fiber placement technology.It is proved in system fixing and testing that the control system can realize the automation of the movement of adding, compaction and cutting, and complete a whole placement process.