Search results for keyword: secondary
Improvement of bearing steel smelting process
The Improvement of Bearing Steel Smelting Process
Bearing steel is one of the most important classes of steel in modern industry. Bearing steel has extremely high strength and hardness, and this property gives it a wide range of applications in the automotive, aeronautic and aerospace industries. ......
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Characteristics of bearing steel continuous casting
Continuous Casting Introduction
Continuous casting is a process that has become a standard in many steel producing plants around the world. By continuously casting molten steel in the shape desired the production of steel becomes more efficient and less labor intensive. This process involves the ......
GB 3095-1996 ambient air quality standard
3095-1996 Air Quality Standards
The air quality standards issued by the Chinese government in 1996, GB 3095-1996, are used to evaluate the air quality of various areas. The standards, also called air quality index standards, are designed to both protect human health and promote the environment.
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surface analysis
Surface Analysis
Surface analysis is the study and analysis of the surface of a material to determine its physical, chemical, and mechanical properties. Its purpose is to measure, understand, and interpret the features of the surface of a material, such as its texture, roughness, hardness, and ad......
Turning
Turning
Turning is a machining process in which a cutting tool, typically a non-rotary tool bit, describes a helical toolpath by moving more or less linearly while the workpiece rotates. The tools axes of movement may be literally a linear axis, but they can also be combined into more complex mot......
Forging technology: material preparation process for superalloy forging
Reheating and Forging of High Temperature Alloy
High temperature alloy is a kind of metal material with excellent mechanical properties, which is widely used in aerospace, aviation, automobile and other industries. In order to ensure the property of high temperature alloy, the proper pre-treatmen......
The development trend of tool grinding
Development Trend of Grinding Tools
Introduction
The development direction of grinding tools is mainly reflected in the direction of equipment technology, process automation and application fields. In the current manufacturing industry, the grinding technology of cutting tool grinding has become......
Milling of Rectangular Splines
Milling of Rectangular Keys
Milling of rectangular keys is an important secondary machining process and is used to form keyways in machine shafts. Various standard sizes of rectangular parallel keys are available in a number of materials. While they are often small in size, they are critical comp......
Eddy current test method for titanium and titanium alloy pipes GB/T 12969.2-91
Abstract
This paper introduces GB／T 12969.2-91 Eddy Current Method for inspecting titanium and titanium alloy pipes. Eddy current method is an non destructive testing (NDT) technique for performing the inspection of titanium and titanium alloy pipes. The technique is an electromagnetic test whic......
High resistance electrothermal alloy GB 1234-85
High-Resistance Heating Alloy
High-resistance heating alloy is a subclass of special thermal alloys developed in the 2020s. It is characterized by excellent electric heating performance, high-temperature oxidation resistance and superior creep resistance. As a result, high-resistance heating allo......
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