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Vacuum gas nitriding furnace

人气: Article Source: Unknown Popularity: Issuing time: 2019-07-24 10:52

















Vacuum gas nitriding furnace product specification table

Note: The nitriding furnaces produced by our company are controlled by pulse PLC, and can also be produced according to the needs of users.

1. Purpose:
Vacuum gas nitriding furnace, vacuum in the furnace cavity fully avoids the possibility of workpiece oxidation. It is suitable for chemical heat treatment of high-precision workpieces such as crankshafts, cylinders, piston rings, gears, screw rods, molds, etc. that require increased wear resistance. Nitrided parts have been greatly improved in terms of fatigue resistance and corrosion resistance. After high-speed steel tools are nitridized, their service life can be increased by 20-200%. 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:
The vacuum gas nitriding furnace is made of steel plate with a cylindrical shell. Inside it is a heating working room made of shaped standard refractory bricks. The heating chamber and the shell are filled with insulation material. 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 data recorded by the paperless recorder, such as the temperature in the furnace and the tank, can be directly checked on it, or you can use the SD card to test the computer to record and print the data.
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. Fully automatic control function can control the flow of ammonia gas.

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