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Visual symbols for operation instructions of metal cutting machine tools (5)
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 ......
1070 
Olivia
Domestic CNC machine tools standard
Introduction
With the advent of the 21st century and the rapid development of modern technology, numerically controlled machine tools and tools have increasingly become one of the important tools for manufacturing, especially in China. In modern factories, numerically controlled machine tools and......
anchorage length
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Reinforced concrete has been profoundly applied to the construction of widely varied structures due to its unique properties of strength, durability, ductility and economical construction cost. A structural element of reinforced concrete is just like any other structural member in terms of its d......
Civil Building Reliability Appraisal Standard (GB50292-1999)
1 Introduction
The purpose of this standard is to provide standard parameters for evaluating the reliability of civilian buildings. This standard is designed to enable authorities to identify and validate structures that are safe and reliable.
2 Scope of Application
This standard is applicable ......
Color marking of steel
Paint or coating color marking is an important part of steel marking and identification system.Steel is an important material used in the construction of bridges, buildings, machinery and many other products. Steel is produced in a variety of sizes and shapes and there is a great deal of variety t......
Surfacing welding rod GB 984-85
Welding is an important process when it comes to manufacturing various objects and structures. Welding is a process by which two or more materials are joined to form a single, solid piece. It is typically performed by applying heat and pressure to the materials, usually in the form of welding rods......
20CrMnSi use
20CrMnSi
20CrMnSi is a low alloy steel made up of 20% chrome, 11.2% manganese, and 1.4% silicon. It is primarily used for a variety of applications involving the automotive and aircraft industries. This steel is heat treatable and resistant to corrosion and abrasion which make it a popular choice......
11SPb20 use
Smooth Sailing on the High Seas
On a bright summers day, a young couple is happily sailing in the open ocean. The waves are gentle, the clouds are fluffy, and the sun is shining. On the horizon is a beautiful distant island that they have been eagerly anticipating arriving at. This is their first......
JGJ81-2002 Welding Technical Regulations for Building Steel Structures (Part 21)
Welding Procedure Specifications for Steel Structures of JGJ81-2002
Welding procedure specifications, commonly referred to as WPS, are documents approved by qualified welding personnel or welding engineers (often referred to as WPQRs) that contain instructions and procedures for welding process a......
German ribbed steel bar
A ribbed reinforcement steel bar, also known as a deformed bar, is a type of steel bar that has ribs, lugs, or deformations on its surface that increase the bond with the concrete. Ribbed steel bars are usually used in reinforced concrete and masonry buildings, bridge decks and highways. Reinforci......
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