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Bevel gear ion carburizing process
Material: SCM21 Steel [caption id="attachment_7256" align="alignnone" width="505"] SCM21 Steel[/caption] Technical requirements: the depth of the seepage layer is 0.8~1.0mm; the hardness is above 60: the variation of the outer diameter is ≤0.10mm. SCM21 steel made of 14 kinds of gears with...
Vacuum Carburizing of Small Diesel Engine Fuel Injection Needle Valve Body
The material is 18Cr2Ni4WA steel The technical requirements are: the depth of the carburized layer in the valve body and seat surface is 0.75~0.85mm, the mass fraction of carbon is 0.70%~0.85%, the hardness of the carburized layer is ≥58HRC, and the injection hole is also required to be carburiz...
Vacuum Quenching Process Curve of High Speed Steel Disc
Material: High Speed Steel Technical requirements: The hardness of the matrix is 62~64HRC. The deformation is less than o.10mm. Parts are: φ150mmX30mm disc The vacuum heat treatment of high-speed steel parts is widely used. The vacuum heat treatment process used by the disc is shown in Figure 1....
Low Vacuum Nitrocarburizing Process for Structural Steel
Material: Structural Steel Heat treatment requirements: nitrocarburizing layer 0.01~0.015mm, surface hardness 500~1000HVo.1. The heat treatment method of structural steel in low vacuum combined with nitrocarburizing is the low vacuum nitrocarburizing process. The function of low vacuum can ensur...
Vacuum Heat Treatment of 2Cr13 Pins
Material: 2Cr13 steel Technical requirements: 50~55HRC The dimensions of the shaft are shown in Figure 1, and the hardness is required to be 50~54HRC. The original use of salt bath furnace heating oil cooling quenching, cleaning is very difficult, and the surface quality is poor, can not meet the...
Bearing Industry’s Demand For Heat Treatment Equipment
Bearing heat treatment is directly related to the subsequent processing quality, which ultimately affects the performance and life of parts. At the same time, bearing heat treatment is also a major energy consumer and polluter in bearing manufacturing. The heat treatment equipment of the bearing ...
Soft Magnetic Materials Vacuum Heat Treatment Process
The raw materials of soft magnetic alloy are mainly bar, strip and plate, etc., and the parts are cut, punched and cut, stamped or wound in cold working way. In the process of machining, the original grain structure of the material will be destroyed, so that the magnetic conductivity of the mater...
Advantages of Plasma Nitriding Piston Rings
The surface hardness of the piston ring is improved by plasma nitriding (≥ 700HV0.1), the friction torque is small, the friction coefficient is small, the friction reduction performance is good, and the wear resistance is high, which prolongs the service life of the piston ring. The surface cryst...
Preparation Process of Multilayer Metal Composites
According to the different physical states of the member materials in the preparation process of multilayer composites, the preparation methods of multilayer composites can be roughly divided into three categories: solid-solid composite, liquid-solid composite, liquid-liquid composite composite. ...
Production Process of Stainless Steel Powder for Metal Injection Molding
Metal injection molding technology is developed from powder injection molding technology of ceramic parts, and it is a new type of powder metallurgy near-net forming technology. The main production steps of metal injection molding technology are as follows: metal powder and binder mixing – ...