Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Automation ( 자동화 ) Associate Professor Su-Jin KimSu-Jin Kim School of Mechanical Engineering Gyeongsang National University

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Index Hard Automation Flexible Automation NC Control

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Manufacturing Automation Automation is the process of machines follow a predetermined sequence of operations with little or no human involvement. The major breakthrough in automation is numerical control (NC) of machine tools.

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Hard Automation (고정자동화) Machines designed to produce a standardized product, thus specialized and lack flexibility. Transfer mechanisms and transfer lines used to move workpiece from one station to another. High volume, High reliability, High production rates, High initial investment

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Conveyer

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Fixturing Fixtures are designed for specific purposes Clamps are simple multifunctional devices Jigs have reference surfaces and points for accurate alignment.

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Programmable Logic Controller (PLC) PLC is a digital computer used for automation of electromechanical processes LS PLC Ladder diagram Water tank inputs outputs Transport:

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Pneumatic automation (공압) Air valve and air cylinder is controlled by PLC or NC. Pickup, move, put down. Pneumatic control

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Flexible Automation (유연자동화) Programmable automation, Low production rates, medium quantity and varied production batches. Numerical Control (NC) is the controlling of the machine components movements by coding into the system.

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Automatic Guide Vehicle (AGV) AGV is a mobile robot that fallows markers on the floor. They move materials around a manufacturing facility. Air pallet: Transport: Forklift AGV

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Industrial robot (산업용 로봇) Robot is reprogrammable multipurpose manipulator automatically controlled in three or more axes. Typical applications of robots include welding, painting, assembly, pick and place. SCARA ArticulatedDelta Delta:

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Machiningcenter & Terningcenter Cutting tool is controlled along the NC data programmed by CAM software and remove material to get precise geometry. High precision and stiffness is required.

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Assembly systems 3 basic methods of assembly: manual, robotic, high-speed automatic. Manual Robotic Hard automatic Productivity Flexibility

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes NC Control (NC 제어) Servo motor Ball screw LM bearing Mini-6axis:

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes NC Controler (CNC) Sentrol Fanuc Fanuc:

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Servo drive & motor Servo drive ( 서보제어기 ) & Servo moter( 서보모터 ) : Numerical signal is changed to mechanical torque. Rotation angle is feedback to drive. LS:

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Ball screw Ball screw ( 볼나사 ) : Changer angular driving motion to linear motion NC-Screw: Rack-pinion:

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Stepping servo motor Servo control stepping motor and communicate with PC by USB port. Step Servo Motor

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes LM Bearing (LM Guide) Linear motion bearing (직선이송 가이드): General Sliding guide(미끄럼 가이드): High stiffness, Slow Hydro static bearing(유정압 베어링): Precision, High speed LM Bearing: LM Bearing:

Automation and CIM © Pearson & GNU Su-Jin Kim Manufacturing Processes Automated Process Ball bearing: p=9B6D9EAE75875D9D p=9B6D9EAE75875D9D Make coins: p=9B6D9EAE75875D9D p=9B6D9EAE75875D9D Scuba tank: =9B6D9EAE75875D9D =9B6D9EAE75875D9D