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271 Operating procedures for molding machines
264-271 Model Machine Operating Procedure
The 264-271 model machine is an important tool designed to help with the construction of various structures. It is a complex machine that requires a thorough understanding of the safety precautions and operational procedures that should be followed to ens......
1061 
Lily
shifting mechanism
Variable Speed Control Mechanisms
Speed control mechanisms allow an engineer or technician to adjust the speed of mechanical systems like pumps and motors. There are several types of variable speed control mechanisms that can be utilized by engineers depending on the application and the specific ......
Steel pipe rotation device
Steel Pipe Rotating Equipment
Steel pipe rotating equipment is an important piece of machinery used in the construction and maintenance of commercial and residential structures and is responsible for ensuring a structure’s strength and stability. It utilizes two different types of steel pipes to......
Computer Numerical Control for High Speed Machining
Computer Numerical Control (CNC) High-Speed Machining
Computer numerical control (CNC) high-speed machining is a form of machining that is used to cut and shape metals and other materials with amazing accuracy and speed. The use of computer-controlled machines to cut and shape metal is not a new ......
JGJ81-2002 Welding Technical Regulations for Architectural Steel Structures (Part 14)
Welding processes
Welding processes used in construction steel structures can be divided into three categories: manual welding, mechanical welding and self-shielding welding.
Manual welding is one of the most commonly used welding processes. It can be used for both mild steel and stainless steel......
Deposition efficiency
Concrete Joint Filling Efficiency
In the construction industry, one of the most important aspects of building lasting structures is properly filling concrete joints. Joints are designed to expand and contract with environmental fluctuations, house the cables and pipes necessary for construction, ......
GB 9446-88 Test method for cold cracking of welding pins
Weld flash burr test method
Weld flash burr test method is a testing method used to evaluate the quality of cold and/or strain cracks on welds by using a plug-in mechanism. This testing method has been widely used in a variety of industries to determine the quality of welds, including shipbuildin......
International Casting Standard Catalog
International Standards for Casting
Casting is a manufacturing process in which a material, typically metal, is heated by means of a furnace and then poured into a mold or die. The heated material is then cooled and solidified in order to produce parts with desired shapes. Casting is a versatile a......
GB 12249-89 Steam trap sign
Steam Traps Symbols
Steam traps are components of plumbing systems designed to use steam energy to control the flow of liquids. In industrial settings, steam traps are important for controlling the release of condensate, water, and other liquids. A steam trap symbol is a visual identification mar......
GB 12827-91 standard reference acetylene carbon black and identification method
Carbon black refers to black powdery or granular material, which is composed of many tiny particles with the average particle size of between 10 and 2000 nanometers. It is composedot many carbon atoms buthydrophobic in nature. Carbon black can be prepared by pyrolysis of hydrocarbons such as coal ......
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