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Plasma Industrial Nitriding Furnace for AISI 420 Steel

Min.Order Quantity: 1 Set/Sets Plasma Industrial Nitriding Furnace for AISI 420 Steel

Supply Ability: 2 Set/Sets per Month Plasma Industrial Nitriding Furnace for AISI 420 Steel

Payment Terms: L/C,T/T,


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Plasma Industrial Nitriding Furnace for AISI 420 Steel

Ion nitriding is a process method of preparing nitriding layer by plasma glow discharge in ion nitriding equipment, so as to improve the wear resistance, fatigue resistance, corrosion resistance and high temperature resistance of workpiece surface.

Ion nitriding is divided into three stages. The first stage is the generation of active nitrogen atoms, the second stage is the migration of active nitrogen atoms from the medium to the workpiece surface, and the third stage is the transfer of nitrogen atoms from the workpiece surface to the core. The mechanisms of the first stage ionization and the third stage diffusion are relatively clear. The mechanism of how the active nitrogen atoms migrate from the medium to the workpiece surface in the second stage is still controversial, and the "sputter deposition" theory is generally accepted. The specific principle is as follows: when high-energy ions bombard the workpiece surface, iron atoms splash out from the matrix and react with active nitrogen atoms in space to form iron nitride. Iron nitride molecules are condensed and deposited on the workpiece surface. At a certain nitriding temperature, iron nitride is decomposed into iron nitride compounds with low nitrogen content, nitrogen atoms are released, and iron nitride continuously forms a nitriding layer with a certain thickness.

Advantages of ion nitriding technology

(1) The phase composition of workpiece coating can be adjusted by adjusting the proportion of nitrogen, hydrogen and other atmospheres (such as carbon, oxygen, sulfur, etc.) according to the expected performance requirements.

(2) The coating preparation time is one third to one fifth of that of ordinary nitriding, and the efficiency is high.

(3) The preparation process is very clean, pollution-free, without additional heating and testing equipment, with uniform temperature distribution, energy consumption of 40 ~ 70% of gas nitriding, energy saving and environmental protection; The gas consumption is very small (only for gas penetration). A small amount of nitrogen) can greatly reduce the common defects of ion nitriding; Suitable for various materials and temperatures.

(4) After the workpiece is prepared and coated, an oxidation free machined surface with high surface finish and small deformation can be obtained.

 

 

Model LDMC-75 Heat treatment pit type stainless steel gas nitriding furnace
Maximum average output current 75A
Maximum peak output current 150A
Max nitride area 60000cm2
Max loading weight 800kgs
Output supply 75KW
Output status Rectangular web
Frequency 1000HZ
The arc velocity ≤20 Microsecond
Control method Fixed frequency width
Occupy space rate 0-85% continue adjustable

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