Thursday, 4 December 2014

ENGINEERING DRAWING.

WHAT IS ENGINEERING DRAWING.
--engineering drawing is entirely a grapic .  language drawing equipment and instrument are needed to record information on drawing paper or any other suitable surface. drawing paper or any other suitable surface . drawing composed of straight line, curve, circle  and arcs is prepared with certain instrument .
the quality of a drawing depends to a large extent on the quality, adjustment and care of the instrument are used.
the correct selection and use of pencil and drawing instrument is important.
the various instrument of other drafting equipment are described

*LIST OF EQUIPMENT
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*THE FOLLOWING LIST OF EQUIPMENT IS A PRACTICAL SELECTION AND CONSTITUTES A SET OR KIT OF INSTRUMENT-
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1. Drawing Board
2. T-Square or Mini-Drafter
3.Instrument Box Containing
  .large size compass including  pen attachment and lengthening bar
  .large size divider
  .two rulling pens
  .box of leads
4. triangles or set squares , -45, 30,-60
5.engineering scale
6.protractor
7.drawing pencils, HB,H,2H,3H
8.Drawing paper
9.Pencil Sharpener
10.Sand Paper Pad
11.Pencil Eraser
12.Clamps Cellotape  or Drafting Tape
13.French or irregular curve
14. clinigraph or adjustable set square
15.dusting   cloth
16.drawing ink:( black , water proof)
17. tracing paper , cloth  or myler
18.erasing shield
19.artgum  or other cleaning eraser.


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