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Process requirements for long-life bearings
Requirement for Process of Manufacturing Long Life Bearing
Introduction
The purpose of this paper is to provide an overview of the process requirements for the manufacturing of long life bearings. Bearing reliability or lifetime of bearing is defined by the time period a bearing can perform its ......
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Debugging and Calibration Procedures for Pilot-operated Safety Valves
Safety Valve Calibration and Test Procedure
Safety valves are an important component of many industrial processes, acting as an emergency relief device to prevent overpressure from leading to explosion or other catastrophes. In order to ensure the effectiveness of safety valves, it is necessary t......
GB 6653-94 Steel plates for welding gas cylinders
解析
GB 6653-94 Welding Cylinder Steel Plate
This standard GB 6653-94 provides requirements, test methods, inspection rules and packaging, marking, quality of welding steel plates for manufacturing various types of gas cylinders.
1. Scope
This standard applies to welded steel plates are used to......
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......
metal processing technology metal processing technology
Metal Processing Technology
The use of metal processing technology dates back centuries, to the early forges and blacksmiths of pre-industrial times. In modern industry, metal processing still forms an essential element of any equipment’s design, manufacture and maintenance. Humans, more than an......
Technical delivery conditions for welded round steel pipes of austenitic stainless steel with special requirements (DIN 17457-1985)
This standard sets out the technical requirements for the delivery of welded stainless steel tubes with special requirements made of austenitic stainless steel (DIN 17457-1985).
1 Scope
This Standard applies to stainless steel tubes made of austenitic stainless steel, referred to as welded tubes......
GB1591-1979 "Technical Conditions for Low Alloy Structural Steels"
Low Alloy Structural Steel Technical Conditions GB 1591-1979 Introduction The formulation and promulgation of GB 1591—1979 “Low Alloy Structural Steel Technical Conditions” is mainly to promote the development and use of steel structures with excellent performances in our country. GB 1591—1979 ......
Surface quality of waste heat treated steel bars (GB 13014-1991)
Surface Quality of Heat-Treated Steel Rebar
Heat-treated steel rebar is widely used in the construction industry for its strength and durability. Rebars are made from reinforcing steel that is heat-treated in order to give the metal greater strength and ductility. Heat-treated rebar is known for ......
product technical standards
Technical Standard of Product
Introduction
Technical standards are formalized sets of criteria or specifications. They are developed and adopted to help improve product quality, safety and environmental practice, reduce trade barriers, and encourage interchangeability and compatibility of relate......
Weldability Test Method for Maximum Hardness of Welding Heat-Affected Zone GB 4675.5-84
Abstract
Weldability testing is an essential part of welding process in the manufacture of structural components to ensure the reliability and durability of the weldments. The highest hardness test method (GB 4675.5-84) is one of the welding performance tests, by which the maximum hardness of the......
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