MARKING OUT TOOLS, MEASURING TOOLS, AND GAUGE

CONTENT

  1. Marking Out Tools
  2. Measuring Tools and Gauge

 

Marking Out Tools

These are hand tools used for marking out the required shapes of a particular metal from the sheet metal before cutting in the metal workshop. Examples are:

(i) Surface plate

This is used for checking the alignment and flatness of the object.

(ii) Surface table

This is used for marking out large objects, for checking accuracy, for height alignment and checking parallelism.

Marking Out Tools, Measuring Tools Driving Tools and Cutting Tools - Surface plate - Surface table

(iii) Scriber

This is used for marking out straight lines on metals in conjunction with other marking out tools.

(iv) Centre punch

This is used to locate the centre of a hole to be drilled.

Marking Out Tools, Measuring Tools Driving Tools and Cutting Tools - Surface plate - Scriber - Centre punch

(v) Dot punch

Lesson tags: Basic Technology Lesson Notes, Basic Technology Objective Questions, JSS1 Basic Technology, JSS1 Basic Technology Evaluation Questions, JSS1 Basic Technology Evaluation Questions Third Term, JSS1 Basic Technology Objective Questions, JSS1 Basic Technology Objective Questions Third Term, JSS1 Basic Technology Third Term
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