The content is just an excerpt from the complete note for JSS2 Second Term Basic Technology Lesson Note – Metalwork Machines. Check below to download the complete PDF
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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