Page 157 - CITS - Fitter - Trade Theory

FITTER - CITS

3. Construction Sites:
• Excavators, loaders, and dump trucks are used for moving earth, aggregates, and construction materials on
construction sites.
• Tower cranes and mobile cranes lift and position heavy materials and equipment, such as steel beams and
precast concrete panels.
• Material hoists and elevators transport workers and materials vertically on multi-story construction projects.
4 Retail and E-commerce Fulfilment Centers:

• Automated sorting systems and conveyors sort and route packages for delivery to customers.
• Order picking systems and automated guided vehicles (AGVs) retrieve products from storage locations and
prepare them for shipping.

• Packaging machinery, such as case sealers and stretch wrappers, prepare packages for shipment.
5 Agriculture and Food Processing:
• Tractors, harvesters, and combines are used for harvesting crops and transporting agricultural products on
farms.

• Conveyor systems and sorting equipment handle fruits, vegetables, grains, and other food products in pro-
cessing plants.
• Forklifts and pallet jacks move packaged goods and ingredients within food distribution centers and ware-
houses.
6 Automotive and Aerospace Industries:
• Robotic arms and automated assembly lines assemble vehicles and aircraft components with precision and
efficiency.
• AGVs transport parts and materials between production processes, reducing manual handling and improving
workflow.

Overhead cranes and manipulators lift and position large vehicle components and aircraft fuselages during
manufacturing.

Hydraulic and pneumatic system and its application in

modern machines

Objectives : At the end of this lesson you shall be able to
• prepare and fill maintenance log in format
• prepare and fill the history sheet of machinery and equipment in format
• prepare and fill maintenance record in format.

Definition:

A jig is a specialized tool or device used in manufacturing, machining, or assembly processes to assist in holding,
guiding, or supporting a workpiece or tool during various operations. Jigs are designed to ensure precision,
repeatability, and efficiency in production by facilitating accurate positioning, alignment, and control of the workpiece
or tool. They are commonly used in industries such as automotive, aerospace, woodworking, metalworking, and
electronics manufacturing to improve productivity, quality, and consistency of manufactured components or products.
Jigs can vary widely in complexity and design, ranging from simple fixtures to intricate templates tailored to specific
machining or assembly tasks.

working of a hydraulic and pneumatic system:
A pneumatic system uses compressed air or gas to transmit and control energy. When the compressed air is
released from the storage tank, it flows through a series of pipes to reach the pneumatic components. Air pressure

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CITS : CG & M - Fitter - Lesson 26 CITS : CG & M - Fitter - Lesson 26