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製造系統與自動化期中考B2 (Automation Systems (Fundametal elements of Automation…

- - - - Electricity in the principal source
        
        features
        
        Moderate cost
        
        Portable
        
        readily be converted to alternative energy
        
        Easy to acquire
      - Common Manufacturing Processes and their Power Requirements
        
        Forging(鍛造)
        
        Mechanical
        
        Heat treating(熱處理)
        
        Thermal
        
        Electric discharge machine(EDM)放電加工
        
        Eletrical
        
        Injection molding(射出)
        
        Thermal & Electrical
        
        Casting鑄造
        
        Thermal
        
        Laser beam cutting(雷射切割)
        
        light & thermal
        
        Machining(切割加工)
        
        Mechanical
        
        Sheet metal punching and blanking(沖壓)
        
        Mechanical
        
        Welding(焊接)
        
        Thermal
    - - Work Cycle Program(WCP)
      - Typical steps in WCP
        
        Loading/unloading parts onto/from the machines
        
        Machining of parts
      - Program of Instructions are called part program in NC
      - Process parameter #
        
        Discrete(on/off)
        
        Continuous(e.g.SS、DC、FR)
      - Process variables
      - Form one of WCP
        
        NC Machine
        
        Easy for WCP upgrade/modification
      - Form two of WCP
        
        Considerable time required for design and fabrication (the equipment are used for batch production)
        
        The physical-form programs are not readily compatible with computer data processing and communication