Download - Basic tools and equipment in drafting
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Tools & EquipmentUsed In Drafting
Prepared by:
Ms. Arlyn P. BonifacioGrade 9 – TLEBasic Drafting
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There are many kinds of tools and equipments used in drafting. Every tools or equipments have their own special function.
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Drawing Board
it is in this board where the drawing paper is placed. Here, the paper should be fastened with adhering tape to prevent the paper from any movement. It measures 24 x 36 inches and made with a smooth surface. The edge of the drawing board serves as the base of the triangle when projecting line or lines in the different angles. Using the T-square the edge of the board could be used as a guide in creating horizontal lines.
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Triangles are used to project lines from a horizontal base, projecting isometric drawing as well as lines in an oblique drawing. It is usually made from light transparent celluloid materials.
45 degree30 X 60 degree
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ADJUSTABLE TRIANGLE
Combines a protractor and a triangle with an adjustable edge to draw vertical and angular lines from 0 to 90 .� �
AdjustableTriangle
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T-square
is primarily used in projecting horizontal lines. The T-squares head could be detached or fixed. The lower edge of the T-square maybe used as a guide for cutting. The blade on its upper edge is called as the working edge. It is commonly made from celluloid materials with its straight edge and wooden blade.
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Protractor
is commonly made from celluloid plastic. This instrument has a calibrated angle or degree ranging from 0 degree to 360 degree. It is primarily use to plot angles on the drawing.
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Drawing Pencil
is used to sketch drawings. There are different kinds of drawing pencil. They varies or classified in accordance with their grade of softness as well as in the hardness of their lead.
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Technical Pencil
is commonly used to finalize a sketch. The point of the technical pencil is classified in accordance with the thinnest of lines. The finest line came from the smallest pin calibration.
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French curve
is usually used in order to project some irregular shape of curve in a particular drawing. These irregular shapes are made from various geometric curves.
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Scale
is usually used for measuring. With the used of this instrument, it is possible for us to reduce or enlarge the measurement of the drawing. The scale has metric and English calibration systems and graduated in decimals, feet as well as in inches.
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Template
is an instruments that has different shapes, holes as well as designs. It is used as patterns in projecting drawings of different shapes.
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Compass
this instrument is used to draw circles as well as arcs or it can also be used as base drawing in projecting lines.
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Eraser
this instrument is used to erase unwanted marks on the drawing paper. It is usually made up of rubber.
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Drafting Tape
the drafting tape is used to fasten the paper on the drawing board to prevent it from moving.
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Dusting BrushThese dusting brushes feature wooden handles for the easy removal of eraser shavings, dust and dirt from drawings and/or drafting surfaces without smudging.
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Mechanical Drawing Pencil and Technical Pen
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Drawing Equipment
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Drawing Paper & Tracing Paper
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Dividera drafting instrument resembling a compass that is used for dividing lines into equal segments or for transferring measurements
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Erasing Shielda drafting instrument resembling a compass that is used for dividing lines into equal segments or for transferring measurements
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Pencil PointerA pencil pointer which comprises a base, a cylindrical cutter mounted on the base, a rotatable pencil holder coaxial with the cutter and having a first guide means on said holder to guide the lead to a position adjacent the cutter, and a second guide means rotatably mounted above said first guide means and having a plurality of selectable openings of different diameters adapted to be rotated into registry with said first guide means. The pointer includes a lead cleaner.
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Drafting ToolsDirections: Name each of tools used in Drafting. Write your answer in in Quiz Note.
Activity 1