Technology & Computing

# How do you calculate the development of a transition piece?

By: Shawn SonnierUpdated: December 30, 2020

#### Site Statistics

• Questions
94,481
1,984,101
• Categories
21
• Last Updated
June 26, 2022
Construction for a Square to Round Transition Piece
1. Draw a line to the length of side A-D.
2. Set Compasses to the True Lengths of A-9 and D-9 and strike arcs from each end of A-D to create the Isosceles Triangle A-D-9,
3. Similarly strike arcs equal to True Length D-10 and circle division 9-10 to find point 10.

Also know, what is triangulation development?

Triangulation is a geometric development process used to create patterns of conical and transition shapes. Triangulation allows you to determine the true length of a line or surface on a drawing by creating a right angled triangle.

Beside above, what are transition pieces used for?

Transition Pieces are usually made to connect two different shaped objects (e.g. round pipes to square pipes) as often found in Ducting for Air Conditioning or Dust and Fume Extraction systems.

Which method of development is employed in case of prisms?

Which method of development is employed in case of prisms? Explanation: Parallel-line method is employed in case of prisms and cylinders in which stretch out-line principle is used. Radial-line development is used for pyramids and cones in which the true length of the slant edge or the generator is used as a radius.

What is the golden rule of triangulation?

The golden rule in triangulation is the Plan length against the Vertical height. Triangulation is a process of building up the pattern piece by piece in the form of triangles. Plan length refers to any length in the plan view.

## Related

### What is radial line development?

The radial line method of pattern development is used to develop patterns for objects that have a tapering form with lines converging to a common point, called the apex point. The radial line method uses a series of radial generator lines drawn from a common apex point to develop a specified pattern or shape.

### What is pattern development in technical drawing?

A pattern development is a drawing showing the surface of an object unfolded or unrolled on one flat surface (a plane), so that the entire surface is seen true in both size and shape.

### What is parallel line method?

Parallel line development is used to develop patterns of square, rectangular and cylindrical shapes (prisms). The method divides the surface into a series of parallel lines to determine the shape of a pattern. The top and front views are divided into twelve equal spaces.

### What do you mean by development of surfaces?

Development of surfaces. A development is the unfold / unrolled flat / plane figure of a 3-D object. It is also called a pattern where the plane may show the true size of each area of the object. When the pattern is cut, it can be rolled or folded back into the original object as shown in figure 1.

### What is sheet metal development?

Developed sheet metal size is obtained from drawing. Developed sized sheet metal is cut out from large sheet by punching operation. Bending brake is used to bend the sheet metal piece to the required shape and angle.