MECH Dept Engineering Topics List

Engineering Graphics (EG)

Subject and UNIT: Engineering Graphics: Unit V (a): Isometric Projection

When a solid is cut by a plane which is inclined to the axis of solid and the portion of solid above the plane is removed, the remaining portion of solid is known as `Truncated solid'.

Engineering Graphics (EG)

Subject and UNIT: Engineering Graphics: Unit V (a): Isometric Projection

When a solid is cut by a plane perpendicular to the axis and the portion of solid above the plane is removed, the remaining portion of solid is known as sectioned solid.

Engineering Graphics (EG)

Subject and UNIT: Engineering Graphics: Unit V (a): Isometric Projection

Isometric projection of solids containing non-isometric lines like prism, pyramid, cylinder are drawn by two methods.

Engineering Graphics (EG)

Subject and UNIT: Engineering Graphics: Unit V (a): Isometric Projection

Draw an isometric projection of a square prism of base 40 mm side and 60 mm long axis resting on the HP such that its axis is perpendicular to HP.

Engineering Graphics (EG)

Subject and UNIT: Engineering Graphics: Unit V (a): Isometric Projection

Isometric projection of a circle is drawn in two methods namely (i) Co-ordinate method and (ii) Four centre method

Engineering Graphics (EG)

Subject and UNIT: Engineering Graphics: Unit V (a): Isometric Projection

Since a plane figure is a two dimensional object, only two isometric axes are used to draw its isometric view.

Engineering Graphics (EG)

Subject and UNIT: Engineering Graphics: Unit V (a): Isometric Projection

Off-set method is generally followed to draw the isometric projection of an irregular curve.

Engineering Graphics (EG)

Subject and UNIT: Engineering Graphics: Unit V (a): Isometric Projection

An arc may be drawn in isometric view either in vertical (or) horizontal position.

Engineering Graphics (EG)

Subject and UNIT: Engineering Graphics: Unit V (a): Isometric Projection

Isometric lines which are parallel to the isometric axes are directly drawn by measuring the dimensions.

Useful Points to Note

Subject and UNIT: Engineering Graphics: Unit V (a): Isometric Projection

It was explained earlier that when an object is tilted at a particular angle with respect to the vertical art plane and observed from front, its dimensions will be observed lesser than the actual dimensions.

Isometric Projection | Engineering Graphics (EG)

Subject and UNIT: Engineering Graphics: Unit V (a): Isometric Projection

The general rules for the dimensioning of multiview orthographic projection are applicable for isometric projection also, except the following rules:

Box Method, Co-ordinate or Offset method | Engineering Graphics (EG)

Subject and UNIT: Engineering Graphics: Unit V (a): Isometric Projection

Isometric projection of an object can be drawn by any one or a combination of the following methods, after a thorough understanding of characteristics of lines in an isometric projection, explained in previous article.