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Contemporary Issues of Industrial Engineering. Flexible Manufacturing Systems By Béla Vizvári April 20, 2011. Flexible Manufacturing Systems. Flexible Manufacturing Systems (FMS) is an automated workshop. Automation means automated processing, automated transportation ,

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contemporary issues of industrial engineering

Contemporary Issues of Industrial Engineering

Flexible Manufacturing Systems

By

Béla Vizvári

April 20, 2011.

flexible manufacturing systems
Flexible Manufacturing Systems
  • Flexible Manufacturing Systems (FMS) is an automated workshop.
  • Automation means
    • automated processing,
    • automated transportation,
    • automated storing.
decision making in fms
Decision Making in FMS
  • Decision means
    • what,
    • when,
    • how,
    • with what

to process/transport/store.

  • Decision making is still a research topic in the forefront.
history of fms
History of FMS
  • First FMS in 1960’s in England.
  • System 24: ever working workshop.
  • Huge majority of FMSs is working in Japan.
technical development of automated processing 1
Technical Development of Automated Processing 1.
  • NC: Numeric Control
    • punch tape + dedicated input device
    • origin: textile industry used circuits of punch cards.
technical development of automated processing 2
Technical Development of Automated Processing 2.
  • CNC: Computer Numeric Control
    • A mainframe computer directed the production manchines used in the production.
    • What is mainframe computer?
    • World record: one computer controled more than 200 machines.
technical development of automated processing 3
Technical Development of Automated Processing 3.
  • CNC: Direct Numeric Control. The machine has its own PC.
  • Since 1980’s.
machine related resources
Machine Related Resources
  • The capacity of the machine. Measured in time.
  • The capacity of the tool magazine. Measured in number of places.
transportation system
Transportation System
  • AGV: Automated Guided Vehicle
the moves of an industrial robot
The Moves of an Industrial Robot
  • Arm:
    • forwards/backwards
    • up and down
    • rotation around a vertical axis
  • Hand:
    • up and down
    • rotation around a vertical axis
    • rotation around a horizontal axis
robot as production device
Robot as Production Device
  • Painter robot
  • Welding robot
    • They are more expensive
  • Assembly robot
automated storing system
Automated Storing System

Robot of the

storing

system

Positions

advanteges of fms
Advanteges of FMS
  • High precision of NC machines.
  • Flexible change among technological alternatives.
  • Low level of workforce.
  • Small batches.
  • High productivity.
  • Reduced set-up times.
scientific problems
Scientific Problems
  • Avoiding deadlock
  • Optimal schedule of production, transportation and storing simultanuously.
    • Exact models are too large.
    • Rule of thumb ↔ Heuristics
sources of pictures and videos
Sources of Pictures and Videos
  • http://www.cncmachinesinmotion.com/Images/3VK_cnc_machine.jpg
  • http://www.biesse.it/dati/files/246_510_intermac_stone_master_30_tool_change.jpg
  • http://www.fke.utm.my/lab/robotics/image/fmsp10.JPG
  • http://www.robot-welding.com/images/robotwelding.jpg
  • http://www.aw-systems.com/images/gsa_products/conveyor.jpg
  • http://www.imps4ever.info/linwood/factory/main_assembly_conveyor.jpg
  • http://www.pacline.com/images/conveyor_for_assembly_of_pl.jpg