JSS2 Second Term Basic Technology Lesson Note – Metalwork Machines

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WEEK:   8 (EIGHT).                                                                                                             

CLASS:  JSS TWO

TOPIC: METALWORK MACHINES.

SUB-TOPIC:

• Types of metalwork machines.
• Functions of the different types of machines.

Content Development (NOTES FOR FIRST LESSON/PERIOD ONE)

A machine tool is a machine that cut metals and perform some other operations by manipulation of its parts. The five basic machine tools are:

• Lathe
• Shaper and planer
• Milling machine
• Grinding machine
• Drill press

THE MILLING MACHINE

It is of two kinds; the vertical and horizontal milling machine. It can be used to perform what is called up-cut or down-cut. Using either method, the machine is used to:

• Cut gear
• Cut grooves
• Cut splints.

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