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Milling of Rectangular Splines
Milling of Rectangular Keys
Milling of rectangular keys is an important secondary machining process and is used to form keyways in machine shafts. Various standard sizes of rectangular parallel keys are available in a number of materials. While they are often small in size, they are critical comp......
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metal processing technology metal processing technology
Metal Processing Technology
The use of metal processing technology dates back centuries, to the early forges and blacksmiths of pre-industrial times. In modern industry, metal processing still forms an essential element of any equipment’s design, manufacture and maintenance. Humans, more than an......
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......
Research on Localization of Cold Stamping Die for Imported NC Punch Press
In the traditional machining process, the precision and efficiency of parts processing are limited to some extent. Fortunately, with the development of numerical control technology, the processing quality is ensured, and the production efficiency is improved to a certain level. In the current situ......
Industry standard for automation instruments and devices
Automation Instrumentation and Devices Industry Standard
Automation instrumentation and devices are an essential part of modern industry. Automation instrumentation and devices provide a reliable, easy to use platform for monitoring processes and controlling equipment. Automation instrumentation ......
Spring steel (GB 1222-64) (1)
Spring Steel (GB 1222-64) (1) Introduction Spring steel is a special type of steel that is used in the production of springs and other related products. It is a high carbon steel with a tensile strength range of between 35 to 75 kg/mm². The main chemical elements that make up spring steel are mang......
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......
GB 3531-1996 Designation and chemical composition of low-alloy steel plates for low-temperature pressure vessels
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Low alloy steel plates for pressure vessels operating at subzero temperatures are designated according to their chemical composition and mechanical properties. The grade of such steel plates, published by the Chinese national standards organization, can include Grades H480Y, H340Y, H420Y, H440Y,......
GB 3531-1996 Mechanical properties and technological properties of low-alloy steel plates for low-temperature pressure vessels
Mechanical and Process Properties of Low-alloy Steel Plates for Low-temperature Pressure Containers GB3531-1996
Abstract
This article mainly introduces the mechanical properties of low-alloy steel plates for low-temperature pressure containers GB3531-1996. According to the experimental results, ......
GB 6654-1996 Size, Shape, Weight and Allowable Deviation of Steel Plates for Pressure Vessels
SYNOPSIS
This GB 6654–1996 specifies the dimensions, shapes, masses, and permissible deviations of steel plates used for pressure vessels. The plates that are covered by this document are those with a nominal thickness of 4.75 mm or more, and a nominal width of 600 mm or more. The characteristic......
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