Objectives 1 – introduction 2 – mechanical design

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Presentation transcript:

Objectives 1 – introduction 2 – mechanical design 3 – pneumatic circuit 4 – control circuit 5 – conclusion

Introduction Automation is the use of control systems and information technologies to reduce the need for human work in the production of goods and services

Comparison Traditional seeding Automation seeding

Advantages Automation brings comfort to our life increase productivity fulfill the lack of man power low cost high efficiency and reduce the time to plant a large amount of seeds

Mechanical design explanation of the parts of machine conveyor belt Bed Pulley Motor Bearing Shaft

Electrical Vibrator motor Seeding plate Electrical Vibrator motor

vacuum bar and the bar that punches soil

The trolley It’s placed under the conveyor belt. We will put the components of the pneumatic circuit

PENUMATIC SYSTEM Pneumatic system use pressurized gases to transmit and control power. pneumatic system typically use air as the fluid medium because air is a safe low-cost and readily available fluid.

advantages easy to implement low cost easy to interface with electronics and mechanical structure

Component Compressor Fluid Conditioner

Air Control Valve. 3/2-Way NC - El. Cont. with Spring Return 5/2-Way NC

Flow control valve The flow control valve restricts or throttles the air in a particular direction to reduce the flow rate of the air and hence control the signal flow

Pneumatic Actuator Double acting cylinder

Vacuum generator How is vacuum produced Compressed air is allowed to flow through a nozzle which causes a venture action

CONTROL Microcontroller is a small computer on a single integrated circuit containing CPU memory timers serial and parallel ports and input output peripherals

Keypad & LCD

Direct current (DC) motor Industrial applications use dc motors because the speed-torque relationship can be varied to almost any useful form

Why DC MOTORS IS USED DC motors is that their torque-speed characteristic is very good they are relatively cheap small size Simple compared with another motors

Sensors Inductive proximity sensor

Micro switch A micro switch is an electrical switch which can be operated using a very small force and also possibly using a small movement.

Conclusion