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Safety operating rules that lathe workers should abide by
Rails Security Rules
Railways are an important component of our transportation infrastructure and are used to transport goods and passengers around the country. However, they can be hazardous places if operated incorrectly, so it is important to understand and obey the rules of railway security a......
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Visual symbols for operation instructions of metal cutting machine tools (7)
1. On/off switch
This symbol indicates the on/off switch of the CNC machining process. This symbol activates the machine’s digital components such as its spindle and table.
2. Direction control knob
The direction control knob is used to switch between clockwise and counterclockwise motion and is......
Commonly used wire gauge number and nominal diameter comparison table
Fillet Weld Size
Fillet welds are used for many applications and are important for the strength of the joint. Fillet weld size is usually specified on the drawing. Understanding the fillet weld symbols and their meaning is important for producing strong and reliable joints.
Fillet welds are str......
Regulations on the Safety Management of Hazardous Chemicals
Regulation on the Safety Management of Hazardous Chemicals
Introduction
The safety management of hazardous chemicals is a matter of great importance to the public’s health and safety. It is essential that hazardous chemicals are properly handled, stored, and disposed of in order to ensure the s......
Common terms used in steel standards
Steel Standards Terminologies
Steel is one of the most widely used materials in the world, with many different uses ranging from construction to automotive to industrial. As a result, there are a large number of steel standards that have been created in order to specify and classify the different......
Unified numerical code system for steel and alloy grades (GB/T 17616-1998)
，题目为Steel and alloy grade number unified numerical code system(GB/T 17616-1998)
Steel and alloy grade number unified numerical code system (GB/T 17616-1998) is a standard regulating the uniform digital coding system for steel and alloy grades. This standard was initially established in 1998 and......
Ferroalloy grades and representation methods
Common grades of ferrous-based alloys
Ferrous-based alloys are a group of metals composed of iron combined with other elements, such as carbon, chromium, manganese and nickel. Ferrous alloys have various grades and types that are used for different purposes. Every grade has its own characteristic......
Brief introduction to the representation method of metal material grades in China (GB)
Introduction
China has a unique system of numbering and coding a wide range of metallic materials, called Chinese Standard (GB) Metal Materials Numbering System (in Chinese “gong bu”). Generally, it is a four-digit designations for classifying and determining basic Metal materials.
The Purpose......
Chinese-English Comparison Table of Commonly Used Economic Terms
Money Matters: Common Economic Terms and Their meanings
The world of economics is complex and filled with terminology that can be difficult to understand. To make things easier, here is a helpful guide that defines some of the most common economic terms and their meanings.
Gross Domestic Product......
Commonly used Japanese for machinery: hardware molds
1.Metal mold is a kind of mold with higher precision, larger size, higher requirements on structure design, material selection and processing technology than ordinary plastic mold. Metal mold technology is the infrastructure of metal cutting, plastic mold production, casting process and its techno......
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