TLE GRADE 8 TECHNICAL DRAFTING.pptx.....

TLE 8 THIRD QUARTER

1. Writing Time Frames

2. Writing Time Frames

3. DRAFTING MATERIALS AND TOOLS

4. DRAFTING TOOLS T hese are the instruments used in drawing process.

5. TOPIC What will I write about? PURPOSE Am I writing to inform, entertain, or persuade? AUDIENCE Who is my audience? What might interest them about my topic? FORMAT Which format would work best to meet my writing purpose? T- Square ➢ T-square is a drawing instrument used when making horizontal lines. ➢ It is also used for guiding triangles when drawing vertical lines and perpendicular lines with the help of a set square. ➢ It is made of wood, plastic, or a combination.

6. PURPOSE Am I writing to inform, entertain, or persuade? AUDIENCE Who is my audience? What might interest them about my topic? FORMAT Which format would work best to meet my writing purpose? Types of T- Square 1. Fixed Head T-Square 2. Movable Head/ Adjustable Head T-Square 3. Detachable Head /Removable Head T-Square

7. PURPOSE Am I writing to inform, entertain, or persuade? AUDIENCE Who is my audience? What might interest them about my topic? FORMAT Which format would work best to meet my writing purpose? ➢ It is a three-sided ruler, which contains two equal sides intersecting at a 90-degree angle and the third side at 45, 30, including 60-degree angles. T riangles Scale

8. PURPOSE Am I writing to inform, entertain, or persuade? AUDIENCE Who is my audience? What might interest them about my topic? FORMAT Which format would work best to meet my writing purpose? ➢ A compass is a drawing instrument used to draw arcs and circles. It is utilized in the same way as a divider. ➢ It is made of two legs (i.e., a pen leg and a needlepoint leg) being held together with a handle. COMPASS

9. PURPOSE Am I writing to inform, entertain, or persuade? AUDIENCE Who is my audience? What might interest them about my topic? FORMAT Which format would work best to meet my writing purpose? ➢ A semi-circular instrument is divided into 180 equal parts, each called a degree. ➢ It is utilized to calculate gradations of the degrees when measuring arcs, angles, and circles. PROTACTOR

10. PURPOSE Am I writing to inform, entertain, or persuade? AUDIENCE Who is my audience? What might interest them about my topic? FORMAT Which format would work best to meet my writing purpose? ➢ This is prepared of thin metal or plastic with irregular holes. ➢ It is helpful to save the rest of the drawing when removing smudges, needless pencil lines, and other dust. ERASING SHEILD

11. PURPOSE Am I writing to inform, entertain, or persuade? AUDIENCE Who is my audience? What might interest them about my topic? FORMAT Which format would work best to meet my writing purpose? ➢ A pencil Sharpener is a mechanical gadget used for sharpening pencils. SHARPENER

12. DRAFTING MATERIALS T hese are the consumable materials.

13. PENCIL ➢ Drawing pencil is an essential tool in drawing as it is used for making drawings on paper. ➢ For drafting, graphite pencil is commonly used.

14. ERASER ➢ An eraser is used to clean the unwanted drawings or dirt off the drawings. ➢ A soft eraser is used to remove smudges and pencil marks, whereas a harder eraser is used for making changes and correcting errors in the drawing.

15. DRAWING PAPER ➢ Drawing paper is specially made for drawing on. ➢ From making artistic drawings to heavy structural drawings, drawing paper is vital.

16. DRAFTING TAPE ➢ This tape sticks the drawing paper on the drawing board. ➢ This tape is soft and doesn’t harm the drawing paper and table if appropriately handled.

17. Writing Time Frames

18. Writing Time Frames