types of section views in engineering drawing

Break line is a thin continuous line and is drawn freehand. A type Continuos Thick.


Sectional Views Basic Blueprint Reading

Sectional views in engineering technical drawings Half Sectional views.

. Superimposed to orthographic view. A detail drawing magnifies a specific part of a larger drawingThe specific part is often too small to be clearly seen in the larger drawing hence the need for spot magnification A detail drawing is a view of a specific part of the complex drawing. REVOLVED SECTION VIEW Revolved sections show cross-sectional features of a part.

This means they are not drawn in perspective and there is no foreshortening. A revolving view is effective for elongated objects or. Full sections half sections broken sections rotated.

81 and it is required to draw three sectional viewsAssume that you had a bracket and cut it with a hacksaw along the line marked B-B. Plan Section Elevation Drawings. B type Continuous THIN.

There is no cutting plane line. Full section in a full section the cutting plane line passes fully through the part. Here is an object sectioned from two different directions.

A half-section is a view of an object showing one-half of the view in section as in figure 19 and 20. C type Continuous THIN Freehand. How many types of drawings are there in drawing.

A cutting plane line shows where object was cut to obtain the section view. The cross section at that point. Types of Section in Engineering Drawing.

The cutting-plane line cuts halfway through the part and removes one quarter of the material. What are the different types of lines in technical drawing. There are three major types of sections used in engineering drawing.

A type Continuos Thick. There are different types of section drawings. F type Dashes THIN.

K half section The view Obtained When the cutting plane goes half way across the Object to the centre line. H type Chain THIN and THICK. FIGURE PART OR LOCAL SECTIONS Part at a to detail of type u normal the maln m drawings in this THE FULL SECTIONAL VIEW the d FIGURE 310.

Section lines are thin lines. Half sections are commonly used to show both the internal and outside view of symmetrical objects. Figure 20 - Front view and half section.

Reflected Ceiling Plan or RCP. Section line symbols are chosen according to the material of the object Section lines are generally drawn at a 45 angle. Break from orthographic view.

D type Continuous THIN Zig-Zag. These lines are called section lining or cross-hatching. An aligned cross section displays an area cross-sectional view that is unfolded around an axis whereas a total aligned cross section shows an aligned cross section of a.

Full section The view obtained even the cutting plane is right across the object. E type Dashes THICK. A second type of revolved section in Fig.

DISPLACEMENT OF HOLES IN SECTION ciralar in out-ting at pitch from in raffer 32 Drawing sectional views In orthogonal to complete of an ng Intemally of a The of C line to Nhlch it The of a lire type A. What is Half Section. A full section is the most widely-used sectional view.

You have learned that when making a multiview sketch hidden edges and surfaces are usually shown with hidden dash lines. G type Chain Thin. F type Dashes THIN.

Figure 19 - Full and sectioned isometric views. D type Continuous THIN Zig-Zag. Types of Sectional Views Full Section.

A simple bracket is shown in Fig. E type Dashes THICK. B type Continuous THIN.

A cutting plane does not necessarily need to cut the whole object. Example a a b b 30. Partial or Broken Out Section 4.

- इजनयरग डरइग म सकशन क परकर 1. Section Callout or Blow Up Section. Broken crosshatching shows where cutting plane line intersections material each material has its own crosshatching cutting plane line shows where the imaginery knife cuts thru the part line is always parallel to a line of rotation shows which cutting plane line goes to the section.

When specific features of an object that need highlighting are not located. G type Chain Thin. BROKEN-OUT SECTION VIEW A break line is used to separate the sectioned portion from the unsectioned portion of the view.

Placement of a cross-section view 31. Revolved section. No need for additional orthographic views.

There are three major types of sections used in engineering drawing. There are a number of different types of sectional views that can be drawn. What is Full Section.

C type Continuous THIN Freehand. Half Section is used to the exterior and interior of the part in the same view. An area cross section displays only the cross section without the geometry.

A section is used to show the detail of a component or an assembly on a particular plane which is known as the cutting plane. In this view the cutting plane is assumed to bend at a right angle and cuts through only half of the. Normally a view is replaced with the full section view.

89 shows a case where it is required to indicate details on two separate intersecting planes. Section drawings are orthographic projections with the exception of section perspectives. Concept example A section view is made by revolving the cross-section view 90 o about a cutting plane line and drawn on the orthographic view.

The diagonal lines on the section drawing are used to indicate the area that has been theoretically cut. The lines are thin and are usually drawn. This is a convenient convention to use on single view drawings because the shape could not be confirmed without projecting a second view or an added note.

As mentioned above A section drawing is a view taken after you slice an object then look at the surface created by the slicing. Following are the different types of lines used in engineering drawing. Section lines are used to indicate where the cutting plane cuts the material.

The line that separates the different types interior and exterior may be a. Types of section views 1. Following are the different types of lines used in engineering drawing.

Lines Used in Section Views ¾Section Lines. A few of the more common ones are.


Sectioning Technique Engineering Design Mcgill University


2


Sectioning Technique Engineering Design Mcgill University


Design Handbook Engineering Drawing And Sketching Related Resources Design And Manufacturing I Mechanical Engineering Mit Opencourseware


Sectional Views Basic Blueprint Reading


2


Sectional Views


Engineering Drawings

0 comments

Post a Comment