Lesson Notes By Weeks and Term v4 - SHS 3

Manufacturing Processes

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Subject: Manufacturing Engineering

Class: SHS 3

Term: 2nd Term

Week: 18

Grade code: 3.3.2.LI.2

Strand code: 3

Sub-strand code: 2

Content standard code: 3.3.2.CS.2

Indicator code: 3.3.2.LI.2

Theme: Manufacturing Tools, Equipment and Processes

Subtheme: Manufacturing Processes

Lesson Video

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Performance objectives

Lesson summary

Welcome, future engineers! Today, we are going to explore one of the most important machines in any manufacturing workshop: the Centre Lathe. Often called the "mother of all machine tools," the lathe is fundamental to creating a vast range of cylindrical parts we see every day. Think about the axle of a car, the bolts holding a machine together, the leg of a metal table, or even parts for a fufu pounding machine. Many of these components are made using a lathe.

Lesson notes

A. What is a Lathe Machine?

A lathe is a machine tool that removes material from a workpiece to create a cylindrical shape.

Principle of Operation: The fundamental principle is simple but effective: The workpiece (the material you are shaping) is held firmly and rotated at a specific speed. A cutting tool (which is harder than the workpiece) is held stationary and fed into the rotating workpiece. As the workpiece rotates against the cutting tool, a thin layer of material is peeled off in the form of chips, reducing the diameter or length of the workpiece. B. Principal Parts of a Centre Lathe

Understanding the parts is essential for safe and effective operation.

Evaluation guide