Symbols Associated with Metal Cutting Machine Tool Operations
Operating a metal cutting machine tool is a complex process that requires the proper understanding and utilization of a variety of symbols and instructions. There are various signs, diagrams and instructions that must be understood in ......
Metal Cutting, Machining and boring
Metal cutting, machining and boring are fundamental processes of manufacturing that are used to create parts or components of a variety of different machines and structures. Metalworking is most commonly performed using either mechanical or electrical equipment......
In the traditional machining process, the precision and efficiency of parts processing are limited to some extent. Fortunately, with the development of numerical control technology, the processing quality is ensured, and the production efficiency is improved to a certain level. In the current situ......
Design of Mechanical Parts for Industrial Furnaces
Introduction
Industrial furnaces are widely used to heat, smelt or refine metallic materials, such as iron or steel, in various industrial processes. Industrial furnaces have greatly been improved and engineered in recent years to maximize effic......
Spring Steel (GB 1222-64) (1) Introduction Spring steel is a special type of steel that is used in the production of springs and other related products. It is a high carbon steel with a tensile strength range of between 35 to 75 kg/mm². The main chemical elements that make up spring steel are mang......
SYNOPSIS
This GB 6654–1996 specifies the dimensions, shapes, masses, and permissible deviations of steel plates used for pressure vessels. The plates that are covered by this document are those with a nominal thickness of 4.75 mm or more, and a nominal width of 600 mm or more. The characteristic......
GB/T 702-1986 Hot Rolled Rounds and Squares Steel Dimensions, Shapes, Weights and Permissible Variations
This standard specifies the size and shape, permissible asperities and permissible deviations of hot rolled circles and squares for general structural purposes. This standard applies to round ......
GB/T 706-1988 Hot Rolled Steel Angles Dimensions,Shape,Weight and Tolerances
This GB/T 706-1988 standard specifies the size, shape, weight, and tolerance for hot rolled steel angles. Hot rolled steel angles are widely used for many applications, such as various structures and engineering projects......
GB/T 9788-1988 Hot Rolled Unequal Angles: Dimensions, Shape, Mass and Permissible Deviations
This standard applies to hot rolled unequal angles for use in structural engineering.
The size tolerance for dimensions such as width (tolerance for the range of ± 0.4 to ± 5 mm) and length shall be i......
Surface Quality and Ultrasonic Testing of Seamless Steel Pipe for Structural Use (GB/T 8162-1999)
Seamless steel pipe is widely used in the construction and other industries due to its good strength, corrosion resistance and high temperature resistance. To ensure the quality of high-pressure se......