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basic technology (Secondary School)

WOODWORK BENCH

A woodwork bench is a platform on which the wood workers perform their wood workers activities. The size of the woodwork bench is usually 2.0m by 0.80m by 0.90m. The centre of the woodwork bench is always lower than the edges and this is called WELL.

The function of the well is for keeping the tools needed during the woodwork activities. Being lower, tools cannot fall or roll onto the floor or on anyone’s feet

 

WOODWORK BENCH FITTINGS

Woodwork bench fittings are the appliances fitted to the workbench before the commencement of any woodwork operation.

 

EVALUATION QUESTIONS

  1. Define a workbench
  2. Describe and state the function of a well on workbench
  3. Define woodwork bench fittings

 

Workbench Fittings

  1. VICE
  2. BENCH STOP
  3. BENCH HOOK
  4. G-CLAMP
  5. SASH CLAMP
  6. F-CLAMP

 

VICE

The bench vice is made up of cast iron and possesses a release lever, which allows quick movement and grip. The vice is fixed to the side of the bench.It is used to hold the wood firmly to side of the workbench.

 

BENCH STOP

This is a small strip of wood or metal fixed on top of the bench.It is used prevent wood from slipping off the bench top during planning.

 

BENCH HOOK

This is used for holding jobs during cutting chiseling on the bench.

At the same it protects the bench top

 

G-CLAMP

This is a metal clamp used for clamping small jobs to the bench while sawing or chiseling. It can also be used to hold other small jobs together. It is called a G-clamp because of its shape, which is in the form of letter “G

The clamp is ideal for holding small pieces of wood together by applying pressure at a specific point. Scrap wood should be placed between the jaws and the work to prevent it from leaving marks in the work.

  

SASH CLAMP

This is a larger clamp used for holding and drawing wood together when assembling or gluing work light and heavy-duties types are also available. When using sash –clamp, a piece of waste wood should also be placed between the jaw will dig in and spoil the work.

 

F-CLAMP

This is used like the G-clamp. It has a quick action adjustment.The clamp in the form of letter “F”

 

EVALUATION QUESTIONS

  1. State FIVE (5) examples of woodwork bench fittings
  2. Describe and state the function of the followings (a) Bench (b) G –clamp
  3. What precaution must we take when using sash clamp in the workshop.
  4. What is the major difference between F-clamp and sash clamp.

 

WEEKEND ASSIGNMENT

  1. A woodwork bench is a platform for doing ____ (a) wood works (b) all works in the workshop (c) metal work (d) electrical work
  2. The size of the woodwork bench is 2.0m by 0.80mand _____ (a) 9.0 m (b) 0.09m (c) 0.90m (d) 900m
  3. The prevent wood from slipping off the bench top during, smoothing , the device used is _____ (a) bench hook (b) bench stop (c)bench vice  (d) bench fitting.
  4. _____ is the shortest distance between  two points  (a) box (b) square (c) straight (d) curve .
  5. In isometric drawing, the base lines are inclined at ___ to the horizontal (a) 200 (b) 800 (c) 450 (d) 300

 

THEORY

  1. State the importance of using freehand sketching.
  2. Mention five(5) woodwork bench fittings.

 

See also

FREEHAND SKETCHING

BOARD PRACTICES AND SCALE DRAWING

DRAWING PRACTICE

FRICTIONAL FORCES

FRICTIONAL FORCES

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