Metal work hand tools V
BASIC SCIENCE JSS1 third term
Theme drawing practice
WEEK 7
Metalwork hand tools V
Performance objectives
Students should be able to:
- Describe metal work hand tools
- Draw the sketch of the different hand tools
Content
Metalwork hand tools
Marking out tools
Surface plate
The surface plate is a precision piece of equipment with a flat surface of the high-grade finish, on which workpieces are placed for marking out. When testing for flatness, the surface is smeared with Prussian blue, so that when the workpiece is placed on it, the high spot is indicated for scraping.
Cast iron surface plate
Scriber
The scriber.... View More
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