Exam 18: Development Drawings

Sheet metal having a thickness of ____________________ inches and thicker is specified in inch or millimeter sizes.

When specifying material size for a sheet metal development, it is customary to give the gage number, type of gage and its inch or millimeter equivalent in brackets, and the ___________________________________.

MM is the abbreviation for millimeter.

A development drawing depicts items made of ____ materials.

When bending thick sheet metal plates, bending _________________________ must be considered.

Changing the shape of a flat sheet of metal without cutting or shearing is called ____.

When two or more pieces of sheet material are formed and joined, extra material may be needed for the joint or ____________________.

The use of a die against a piece of flat metal to change its shape is called ____.

Sheet metal thicknesses up to .50 in. (13 mm) are usually designated by gage numbers.

The art of pressworking sheet metal to change its shape by the use of punches and dies is called stamping.

An edge created by folding metal over itself to prevent sharp edges is called a(n) ____ edge.

A development drawing is also referred to as a ___________________________________.

GA is the abbreviation for gage.

An overlap or joint where two smaller sheets of metal join to make a larger sheet is called a(n) ____.