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Automatic (semi-automatic) thread rolling machine operating procedures
Auto-Screw Machine Operation Procedure
1. Worker Preparation and Safety
Before beginning to operate an auto-screw machine, the worker must make sure they are wearing the appropriate safety equipment. This should include: hard hat, safety goggles and gloves, and hearing protection. Appropriate c......
1044 
Caroline
fitter
Introduction
Whether you work on vehicles or in a factory, identifying and understanding the tools of a trade is a key part of the job. As a mechanic or a machinist, different types of pliers are among the most important tools of the trade. By understanding the differences between pliers, you’ll......
Replacement and Repair Technology of Main Bearing of Large Jaw Crusher
Gyratory Crusher Maintenance
A gyratory crusher is a large crushing machine designed primarily to crush ore and rock materials. It is a very common type of crushing equipment used in quarries and mines, as well as in large industrial facilities such as asphalt plants. The maintenance required for......
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......
Dimensions, weight and allowable deviation of cold-rolled ribbed steel bars (GB 13788-2000)
Cold Rolled Ribbon Ribbed Steel Bars Dimensions, Weight and Tolerances (GB 13788-2000)
Cold rolled ribbon ribbed steel bars, commonly referred to as ‘ribbed steel bars’ in technical specifications, are bars produced by cold rolling open round billets manufactured in steel mills. Ribbed steel ba......
0Cr13 use
Introduction
Cr13 is a type of martensitic stainless steel family, which is adding the Cr to make the steel have the highest hardness and abrasion resistance. It is a martensitic type containing Cr at 13%.
Advantages
Cr13 offers outstanding abrasion resistance, which is mainly caused by the har......
40CrNi use
The 40CrNi Steel is a low alloy steel with high strength and mechanical characteristics. This steel is produced by adding Cr and Ni elements to the 40Cr steel stock. The Cr element improves hardness and elasticity while the Ni element improves strength and corrosion resistance. The use of this all......
45CrNi, 50CrNi use
Introduction
45CrNi and 50CrNi are two kinds of commonly used alloy round steel, the mechanical properties and process performance are very stable. In common applications, the silicon content in the two kinds of steels is the same, the carbon content is slightly different, and the manganese conte......
The difference between steel structure grades ss400 and Q235B
The Difference Between SS400 and Q235B
Steel is one of the most important materials used in modern construction, and has been around for centuries. Special care must be taken when selecting the proper steel grade for a particular application. Two of the most common steel grades used in today’s c......
American easy-cut structural steel bars
The Types of Steel Shapes and Beams Used in Construction
Steel shape, also known as structural steel, is a material used in construction. Steel shape is used in the design of buildings, bridges, ships, and other structural projects. Steel shape can be fabricated into a variety of shapes including......
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