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Briefly explain the calculation of bearing life
The Calculation of Bearing Life
In order to accurately calculate the life span of bearing, one must first understand what a bearing is and what forces can cause it to wear out prematurely. A bearing is a device which supports and locates a rotating shaft in a predetermined position in relation t......
1036 
Sophia
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......
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......
straightness
Straightness is a measure of how straight an object is, usually compared to a theoretical straight line. In metrology, straightness is an important characteristic of linear dimension. An object’s straightness can change over time due to external factors such as temperature, humidity, and force.
......
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......
Deformed iron-chromium-cobalt permanent magnet alloy (YB/T5261-1993)
Introduction
The Deformation FeCrCo Permanent Magnet Alloy, referred to here as FeCrCo PMA, is a new type of magnetic material based on the ferromagnetic properties of iron, cobalt, and chromium metals. It was developed by Tsinghua University and is currently the only such alloy available for com......
40Cr, 45Cr use
40Cr and 45Cr
The term “Cr” in metals stands for chromium and is used in many alloys and compounds, such as steel and other metals. Two of the most common chromium alloys are called 40Cr (or 40 Chromium) and 45Cr (or 45 Chromium). While chromium does have many uses, here we will focus specifica......
Romanian spring steel steel grade
Romania has long been known for its production of high-quality spring steel. It is a popular steel due to its strength and durability, making it an ideal choice for those looking for a steel that can handle extreme temperatures, high shock loads and resist wear. The alloys used in the production o......
X12CrS13 use
X12CrS13 is a type of chromium-manganese stainless steel, primarily used in applications such as blades, cutting tools, and mechanical parts. The alloy is known for its exceptional strength and wear resistance, making it ideal for applications that require high levels of hardness and durability.
......
High carbon chromium bearing steel [YB (T) 1-1980]
High Carbon Chromium Bearing Steel YB (T) 1-1980
High Carbon Chromium Bearing Steel YB (T) 1-1980 is one of the most advanced and highly sought after steels available today. It is a rodless steel, which is free from corrosive elements such as lead and sulphur, and is produced with a superior grad......
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