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GB 6680-86 General Rules for Sampling of Liquid Chemical Products
Liquid Chemical Products Sampling Code
The purpose of this Liquid Sampling Code (LSC) is to serve as a guide for the proper sampling and handling of liquid chemical products. There are certain procedures to be followed and certain precautions to be taken in order to ensure that the product is sam......
1029 
Avery
GB/T3781.5-93 Determination of coarse particle fraction of acetylene carbon black
Determination of Coarse Particles of Acetylene Black
Acetylene black, also known as channel black, is a black, non-graphitic, highly conductive and heat-resistant substance used for conductive coatings, propellants, carbon brushes, and other applications. The natural acetylene black consists of p......
Hub Type Needle Roller Bearings with Seals
Needle Roller Bearings With Sealing Rings
Needle roller bearings with sealing rings are a type of roller bearing where the rolling elements are needle rollers. Needle roller bearings are a type of needle bearing, containing a relatively large number of relatively small rolling elements, typically......
Installation of outer spherical bearing with seat
Mounting of Spherical Roller Bearings on an Adapter Sleeve
Mounting of spherical roller bearings on an adapter sleeve is a relatively easy process. The adapter sleeve is first attached to the shaft and the bearing is then placed on the adapter sleeve and pressed into position. The use of an adap......
Common terms and definitions of rolling bearings 3. Bearing arrangement and sub-components
1. Bearing Terms and Definitions
Bearing: A machine element used to support another part of the machine and guide it during relative motion.
Ball bearing: A ball bearing consists of an outer ring, inner ring, balls, and a cage. The outer and inner rings hold the balls in place which reduces fric......
Influence of overheating on the mechanical properties of 18Cr2Ni4WA steel during forging
The Impact of Overheating on the Mechanical Properties of 18Cr2Ni4WA Steel
Abstract
The process of hot forging a steel piece is an essential pre-treatment for its further processing. During the process, if the temperature of the forging becomes too high, the mechanical properties of the steel pi......
Defects and Prevention of Liquid Die Forgings: Surface Slag Inclusion
Flaws and Prevention of Liquid State Die-Casting Parts
Die-casting is a process of forming metals on a die or a machine using pressure. It employs special alloys of zinc and aluminum, brass, bronze, and some other steel die casting for creating intricate metal components of all shapes and sizes. ......
Tempering process of foundry and die steel
Hardenability of Steel
Hardenability is an important characteristic of steel that is used in the manufacture of forging and mold steel components. It is defined as the ability of the steel to obtain a hardness greater than that of untreated steels of the same carbon content when quenched from an ......
Powder Forming Additives
Powder metallurgy is a mechanical process that involves forming, joining and strengthening of components through a blend of metals and other substances. It is a very important industry, as it plays a major role in manufacturing parts for the automotive, weapons, and aerospace industries, among oth......
Fracture Analysis of 35Cr Steel (Forged and Normalized)
Intelligent analysis of fracture surface of 35Cr steel (forging and normalizing treatment)
Abstract
This paper focuses on fracture surface analysis of 35Cr steel (forging and normalizing treatment) based on intelligent image processing and intelligent analysis software technology. According to t......
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