AUTOMATED MANUFACTURING SYSTEM

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• Q1: What is the DNC System?
  Ans: DNC (Direct Numerical Control) System is a computer-based system that directly controls multiple CNC machines from a central computer.
• Q2: State the components of the DNC System.
  Ans: The components of a DNC System include:

  • ➔ Central computer
  • ➔ CNC machines
  • ➔ Communication network
  • ➔ Software for data transfer and control
• Q3: Define Bulk Memory.
  Ans: Bulk memory is a high-capacity storage system used to store programs and data for CNC machines.
• Q4: Define Telecommunication Lines.
  Ans: Telecommunication lines are communication channels used to transfer data between the central computer and CNC machines.
• Q5: Define Satellite Computers.
  Ans: Satellite computers are smaller computers connected to the main DNC system to assist in controlling CNC machines locally.
• Q6: Name the types of DNC System.
  Ans: The types of DNC System are as follows:

  • ➔ Centralized DNC
  • ➔ Distributed DNC
• Q7: Name four advantages of the DNC System.
  Ans: Some of the advantages of DNC System are as follows:

  • ➔ Reduces manual programming errors
  • ➔ Increases machine utilization
  • ➔ Simplifies program management
  • ➔ Enables faster production
• Q8: Name four disadvantages of the DNC System.
  Ans: Some of the disadvantages of DNC System are as follows:

  • ➔ High initial cost
  • ➔ Requires skilled operators
  • ➔ System failure affects multiple machines
  • ➔ Maintenance can be complex
• Q9: What is a Flexible Manufacturing Cell?
  Ans: A Flexible Manufacturing Cell (FMC) is a group of machines connected to a central computer to manufacture parts efficiently and flexibly.
• Q10: What is Machine Flexibility?
  Ans: Machine flexibility is the ability of a machine to perform different operations on different parts without major changes.
• Q11: What is Routing Flexibility?
  Ans: Routing flexibility is the ability to produce a part using different paths or sequences through the manufacturing system.
• Q12: What is FMS/FMC?
  Ans: FMS (Flexible Manufacturing System) or FMC is an automated manufacturing system that can handle various parts with minimal human intervention.
• Q13: Name some components of FMS/FMC.
  Ans: Some of the components of FMS/FMC are as follows:

  • ➔ CNC machines
  • ➔ Material handling system
  • ➔ Central computer
  • ➔ Storage system
  • ➔ Communication network
• Q14: State some applications of FMS/FMC.
  Ans: The applications or uses of FMS/FMC are as follows:

  • ➔ Automotive parts manufacturing
  • ➔ Electronics assembly
  • ➔ Aerospace components production
  • ➔ Batch production of machine parts
• Q15: Name four advantages of FMS/FMC.
  Ans: Some of the advantages of FMS/FMC are as follows:

  • ➔ Reduces production time
  • ➔ Improves flexibility
  • ➔ Reduces labor costs
  • ➔ Improves product quality
• Q16: Name four disadvantages of FMS/FMC.
  Ans: Some of the disadvantages of FMS/FMC are as follows:

  • ➔ High initial investment
  • ➔ Complex maintenance
  • ➔ Requires skilled operators
  • ➔ System downtime affects production
• Q17: Define Work Stations.
  Ans: Work stations are specific locations in a manufacturing system where tasks or operations are performed.
• Q18: Define Network.
  Ans: A network is a system of interconnected computers or devices that share data and resources.
• Q19: Define LAN.
  Ans: LAN (Local Area Network) is a network connecting computers within a small area like a factory or office.
• Q20: Define CIM.
  Ans: CIM (Computer Integrated Manufacturing) is a system where computers control the entire production process from design to manufacturing.
• Q21: Write four advantages of CIM.
  Ans: Some of the advantages of CIM are as follows:

  • ➔ Reduces production time
  • ➔ Improves product quality
  • ➔ Reduces manual labor
  • ➔ Better production planning
• Q22: Define Flexible Automation.
  Ans: Flexible automation is a manufacturing system that can handle different products without stopping the system for reconfiguration.
• Q23: Write four advantages of Flexible Automation.
  Ans: Some of the advantages of Flexible Automation are as follows:

  • ➔ Handles multiple products efficiently
  • ➔ Reduces setup time
  • ➔ Increases production flexibility
  • ➔ Improves resource utilization
• Q24: Define Robot.
  Ans: A robot is a programmable machine capable of performing tasks automatically.
• Q25: State the classification of Robots.
  Ans: The classification of Robots are as follows:

  • ➔ Articulated robots
  • ➔ SCARA robots
  • ➔ Cartesian robots
  • ➔ Cylindrical robots
  • ➔ Delta robots
• Q26: State the application of Robots.
  Ans: The applications of Robots are as follows:

  • ➔ Welding
  • ➔ Material handling
  • ➔ Painting
  • ➔ Assembly
  • ➔ Packaging
• Q27: State four advantages of Robots.
  Ans: Some of the advantages of Robots are as follows:

  • ➔ Reduces labor cost
  • ➔ Works in hazardous environments
  • ➔ Increases production speed
  • ➔ Ensures consistent quality
• Q28: State four disadvantages of Robots.
  Ans: Some of the disadvantages of Robots are as follows:

  • ➔ High initial cost
  • ➔ Requires skilled operators
  • ➔ Expensive maintenance
  • ➔ Lack of flexibility for new tasks
• Q29: Define FA (Factory Automation).
  Ans: Factory Automation is the use of control systems, robots, and computers to operate manufacturing processes automatically.
• Q30: Define MUDA.
  Ans: MUDA is a Japanese term for waste; in manufacturing, it refers to any activity that does not add value.
• Q31: Define FTL.
  Ans: FTL (Flexible Transfer Line) is a production line designed to manufacture different products with minimal reconfiguration.