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Pit gas nitriding furnace

人气: Article Source: Unknown Popularity: Issuing time: 2019-08-02 13:42

Pit gas nitriding furnace with automatic control of nitrogen potential











RN Series Nitriding Furnace Specification Sheet
Note: If the size of the table above is not suitable for you, we can adjust the diameter and depth according to your needs.

1. Purpose:
Used to improve the surface hardness, wear resistance and corrosion resistance of the workpiece. It is suitable for chemical heat treatment of crankshafts, cylinders, piston rings, gears, screw rods, molds, woks and other parts that require increased wear and corrosion resistance. Nitrided parts have been greatly improved in terms of fatigue resistance and corrosion resistance. After high-speed steel tools are nitrided, their service life can be increased by 20-100%. Extrusion dies are nitrided. , Can increase the service life by 3-5 times. The nitrided surface layer is hard but not brittle, and has a certain degree of toughness, which is not prone to spalling

Structure introduction:
RN series well type gas nitriding furnace is made of steel plate with a cylindrical shell, inside is a heating studio made of shaped standard refractory bricks, filled with insulation materials between the heating chamber and the shell ). The heating chamber has a stainless steel welded sealed furnace tank. The upper part of the furnace tank is equipped with a vacuum rubber sealing ring, the lower part is a water cooling jacket, and the top of the furnace cover is equipped with a soaking fan to ensure a uniform atmosphere in the furnace.

Third, the electrical aspect: using smart meters and touch screen
1. The temperature control instrument adopts Xiamen Yudian AI518AP-G-L1 intelligent program control instrument, the accuracy is 0.3, and the temperature control deviation can reach ± 2 ℃. The human-machine interface adopts Shenzhen W EINVIEW Weilun 7-inch touch screen, which is connected to the smart meter through the communication protocol, and the meter operation menu is fully expanded on the touch screen. This makes the operation more realistic and convenient. When the meter parameters are not changed, the touch screen displays all areas of the electric furnace. Working status. (Users can use it selectively)
2. The various data recorded by the paperless recorder, such as the temperature in the furnace and the temperature of the heating furnace space, the data can be directly checked on it, or it can be recorded to the computer through the SD card test bay to achieve data recording and printing .
3. The temperature control instrument can perform self-tuning adjustment of PID and automatic thermal inertia of the heating system. When the furnace temperature is about to reach the set temperature, the instrument automatically reduces the output to prevent temperature overshoot.
4. The actuator adopts SSR relay power module (or KS thyristor), which has extremely low working noise (weak sound with its axial fan), fast switching speed and high switching frequency in unit time. Achieve higher accuracy.
5. The components have high reliability and long life, which is three times that of AC contactors.
6. Complete fault protection measures, such as damage to solid state relay elements, fan failure, and automatic audible and visual alarms
7. Both the ammonia gas flow rate can be adjusted manually and the ammonia gas flow rate can be fully controlled to achieve automatic control of the ammonia decomposition rate at different stages (full automatic control function is optional).

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