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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......
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High-silicon corrosion-resistant iron castings (abstract) GB 8491-87) (instead of jb2262-78)
GB 8491-87 Ductile Cast Iron Anti-Corrosion Parts
GB 8491-87 is a standard developed by the China State Technical Supervision strictly inspecting the quality and performance of various types of ductile cast iron anti-corrosion parts. These parts are commonly used in various commercial and residen......
Aluminum and aluminum alloy drawing (rolling) pipe for industrial use GB 6893-86
1 Introduction
The manufacture of aluminum and aluminum alloy pipes using the method of drawing or rolling is a popular method of fabrication in the industrial sector. This method is known as GB 6893-86 and is set out in the Standard for Industrial Aluminum and Aluminum Alloys Rolling (Pulling) P......
Boiler raw material incoming inspection jb 3375-83
Boiler Raw Materials Incoming inspection jb 3375-83
Inspections of raw materials prior to their incorporation with the boiler process are often employed to ensure the quality of the end product. The quality assurance standard of the incoming inspection of raw materials for boilers is jb 3375-83-......
Stalk chopping and returning machine jb51235-1999
Introduction
The jb51235-1999 is a tractor-mounted stalk cutter that is often used in the tilling of fields. This machine consists of a frame, a rotary cutter, an engine, and a transport wheel. The frame consists of a heavy-duty steel frame and provides a stable platform for the machine when it i......
jb/T4750-2003 "Pressure Vessels for Refrigeration Devices" is a recommended industry standard (replacing jb6917-1998)
Pressure Vessels for Refrigerating Apparatus
This industry standard jb/T4750—2003 replaces jb6917-1998 and provides instructions for design and assessment tests for safe performance of pressure vessels for refrigerating apparatus.
1. Scope
This standard applies to pressure vessels used in the ......
JGJ81-2002 Construction steel structure welding technical specification (twenty-nine)
Steps for Welding Steel Structures According to JGJ 81-2002
Welding of steel structures is an important process in the construction and manufacturing industry. In the past, welding processes were largely undocumented and the industry relied on trial and error methods of welding that were often ti......
Low temperature steel welding rod jb 2835-79
Low-temperature Steel Welding Rod jb 2835-79
Low-temperature steel welding rods are a type of welding rods commonly used in many industries to join two pieces of metal regardless of their exact properties, such as strength, flexibility, etc. jb 2835-79 is a low-temperature steel welding rod for v......
Titanium and titanium alloy castings GB 6614-86
Introduction
Titanium and titanium alloys are becoming increasingly important materials in naval and aeronautical engineering and nuclear engineering. As one of the important materials in the industrial and national defense industries, the research and development of casting technology of titaniu......
C85W use
Computer Security Technology
Computer security technology refers to the collection of tools and processes used to protect networks, systems, and data from malicious attacks, damage, and unauthorized access. Computer security technologies are designed to protect networks by preventing malicious ou......
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