JSS1 Basic Technology Lesson Note on Woodwork Tools: Holding Devices; Cutting and Paring Tools

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TOPIC: Woodwork tools: Holding devices, cutting and paring tools.

SUB-TOPICS:

1. Holding devices
2. Cutting and paring tools.

Content Development (NOTES FOR FIRST LESSON/PERIOD ONE)

Sub–Topic I: Holding devices

Woodworking holding devices are the tools used to hold work piece on the workbench. Woodworkers work on workbenches.  It is on these benches that various woodwork constructions are carried out. The centre of the bench is usually lower than its two sides.  This area is called a ‘well’ and its function is to accommodate the tools brought from the tool cupboard to the bench top during operations. The tools cannot fall or roll on to the floor or on anyone’s feet because this part is lower than other areas of the bench.

The fittings are:

Bench vice: also called fitter’s vice. It is used to clamp or to hold jobs when the following operations are to be carried out on the bench, filling, bending, tapping, cutting, assembling parts etc.

Other types of vice are:

Hand vice: used for holding work when performing operations such as drilling, riveting etc

HAND VICE

Machine vice: It is fixed to the table of any machine tool.

The Care of the Vice

1. Always keep the vice clean.
2. The thread or the screw inside the vice should be oiled regularly.
3. Do not use the vice as an anvil for hammering a job
4. Always use hand force only to tighten the vice for holding the work piece.

Bench Stop – There are many types of bench stops. Some are made of wood while some are made of metals.  It is a small strip of wood fixed on top of the bench. It is used to prevent wood from slipping off the bench top during planning.

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