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BAS IC DESIGN AND TEC HNOLOGY

BAS IC DESIGN AND TEC HNOLOGY. JUNIOR HIGH SCHOOL-ONE. CUTTING TOOLS UNDER WOODWORK. TOPIC. DURATIO N. 70 MINUTES. O BJECTIVES. 1.State three cutting tools under woodwork 2.Describe th e uses of saws, chisels and planes 3.Sketc h firmer and mortise chisels .

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BAS IC DESIGN AND TEC HNOLOGY

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  1. BASIC DESIGN ANDTECHNOLOGY

  2. JUNIOR HIGH SCHOOL-ONE CUTTING TOOLS UNDER WOODWORK TOPIC DURATIO N 70 MINUTES

  3. OBJECTIVES 1.State three cutting tools under woodwork 2.Describe theuses of saws, chisels and planes 3.Sketch firmer and mortise chisels

  4. THE CUTTING TOOLS UNDER WOOD-WORK 2.PLANES 1.SAWS 3.CHISELS

  5. SAWS TYPES OF SAWS RIP SAW It is used to cut along the grain of timber. It has a length of 700mm,it has 4-6teethper 25 mm Sawing is the process of cutting along and across the grain of timber Handle 700MM Blade Teeth

  6. CROSS-CUT SAW Handle 600MM It is used to cut across the grain of timber. It has a length of 600mm,it has 6-8 teeth per 25mm Teeth Blade

  7. TENON SAW Handle Back It is used for cutting tenon.It has a length of 400mm,its teeth is 2-4mm per 25mm Blade Teeth

  8. PLANES TYPES SCRUBBING OR ROUGHING PLANE It is usedto remove the dirt or rough surface of a timber Adjustable screw Planning is the process of removing unwanted portion from the surface of timber Lever cap Handle Front knob Body

  9. JACK PLANE LEVER CAP ADJUSTABLE SCREW HANDLE FRONT KNOB BODY It is used afterthe roughing plane to even the surface of the wood. BLADE

  10. SMOOTHING PLANE It is used to smooth the surface of the wood Blade

  11. CHISELS TYPES FIRMER CHISEL It is used for cutting shallow grooves in timber or wood. Chiseling is the process of removing waste from wood with a chisel Handle Ferrule Tang Cutting edge

  12. MORTISE CHISEL MORTISE Handle Ferrule It is used for cutting deep grooves in a wood or timber Tang Blade Cutting edge Mortise groove

  13. EVALUATION 1.Differentiatebetween ripping and cross-cutting 2.Sketch and label the firmer chisel 3.Explain why the roughing plane is used before the jack plane

  14. Abrantiertheophilus:Klo-agogoL/A J.H.S MEMBERS

  15. THANK YOU

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