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CLASS:Â Â Â Â Â Â Â Â Â Â Â JSSÂ TWO
TOPIC:Â Â Â Â Â Â Â Â Â Â Â Woodwork Machines
SUB–TOPIC: TYPES AND USES/FUNCTIONS OF:
- Portable power tools.
- Stationary Woodwork machines.
Content Development (NOTES FOR FIRST LESSON/PERIOD ONE)
Introduction
Before any wood can be used, it has to be cut from the forest and transported to sawmill where further cutting to marketable sizes is carried out. Even after sawmilling operation, i.e conversion processes, pieces produced from the sawing of the log will still undergo some kind of sawing to bit and pieces in the attempt to produce a work piece.
In the modern day sawing, through improved technology, various machines are now available mainly to cut wood accurately and much faster.
PORTABLE POWERED HAND TOOLS
Some portable hand tools used in woodwork projects are as follows:
(i) Belt sander.
(ii) Hand drill.
(iii) Fret saw.
Some examples /types of woodwork machines used in woodwork projects include:
(i) Circular saw.
(ii) Band saw.
(iii) Wood lathe.
(iv) Power drill.
(v) Surface planer.
(vi) Jig saw.
(vii) Thicknesses.
(ix) Sanders.
1 HAND DRILL: This is the commonly used. It takes the shape of a gun with the switch set at the trigger point. Hand drills are operated by electric motor to which the chuck’s spindle is connected and driven by it. Various sizes of drill can be connected to the drill’s chuck using the key. The main use of these tools is to bore hole.
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