LDMC-30AZ Series Pulse Power Supply Glow Ion Nitriding Furnace
Samy
LDMC-30AZ
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Application：
As an effective steel and alloy surface strengthening technology, ion nitriding has been widely used in the industrial field. Ion nitriding is different from traditional gas nitriding. Ion nitriding is mainly used for surface normalizing, quenching and tempering and ion nitriding treatment of alloy structural steel, bearing steel, spring steel, die steel, tool steel and other materials.
LDMC-30 series pulse ion nitriding equipment
Main technical indicators：
Output voltage | 0-900V continuously adjustable |
Maximum output average current | 30A |
Pulse peak current | 60A |
Pulse frequency | 1000Hz |
Furnace working volume | φ600×800mm |
Working temperature | ≦650℃ |
Rated load | 300KG |
Ultimate vacuum degree | ≤6.67Pa |
Pressure rise rate | ≤0.13Pa/min |
Vacuum to 20Pa time | ≤30min |
Arc extinguishing time | ≤15μs |
Temperature control accuracy | ±1°C |
Pressure control accuracy | ±1Pa |
Process | automatic control |
Equipment lifting | effective stroke 1000mm |
Pulse ion nitriding equipment features:
The company has accumulated a lot of experience in ion nitriding equipment and technology, focusing on the reliability, stability and advancement of equipment. The equipment mainly has the following technical characteristics:
1.The vacuum furnace body is manufactured in strict accordance with the welding process to ensure that the sealing surfaces are not deformed and the vacuum sealing requirements are guaranteed for a long time.
2.The protection cut-off circuit is specially designed, even if there is a short circuit between the cathode and the anode, it can be automatically protected, and the equipment and the work-piece in the furnace will never be damaged.
3.The rectifier circuit of the power supply, the silicon controlled rectifier, the diode and the IGBT components of the pulse generating circuit all adopt imported modules, the circuit is simple and the quality is reliable.
4.The operation buttons are mutually protected, even if the operator makes mistakes, the equipment will not be damaged.
5.The action control adopts solidified circuit, the circuit is simple, and the reliability is greatly improved.
6. All operations and controls are input from the computer and completed by PLC to realize the automatic control of the process. The automatic control is realized by Mitsubishi programmable controller and man-machine interface, and the whole temperature and pressure are controlled by PLC. The technical indicators of the system are as follows:
6.1. The temperature control accuracy is ±1°C.
6.2. Pressure control accuracy ±1Pa.
6.3. Use the man-machine interface to set process parameters and monitor the nitriding process in real time.
Compared with the traditional DC power supply, the pulse power supply has more advantages:
▲ It can extinguish the arc more reliably and quickly, and the arc cleaning speed is fast;
▲ The pulse power supply can suppress the hollow cathode effect, which is beneficial to the nitriding of complex parts such as deep holes, blind holes or grooves, and effectively improves the uniformity of the temperature of the nitriding work-piece and the uniformity of the structure of the nitriding layer;
▲ Compared with the DC power supply of the same power, the pulse power supply greatly improves the power output.
LDMC-30 series pulse ion nitriding equipment configuration table
Name | Specification introduce | Qty |
Vacuum furnace body | Chamber size：φ600×800mmH | 1 |
Vacuum pump | 2X-15 | 1 |
Electric vacuum butterfly valve | China GID-50 | 1 |
Vacuum solenoid valve | China DDC-JQ50 | 1 |
Mass flow controller | China D07 | 2 |
Film type absolute pressure vacuum gauge | China ZJ-1C | 1 |
Pressure control | Japan SR3 | 1 |
Temperature control | Japan SRS13 | 1 |
Rectifier transformer | China (36KVA oil-immersed) | 1 |
PLC(Programmable controller) | Mitsubishi FX series from Japan | 1 |
Industrial PC | 15＂ color touch-able display | 1 |
Equipment lifting device | Effective stroke 1000MM(hydraulic lifting) | 1 |
Cooling tower (tank) | Flow ≥2M3/h | 1 |
LDMC-30 Series Ion Nitriding Furnace Selection and Function
Model | LDMC-30A | LDMC-30AZ | LDMC-30AS | LDMC-30AZS |
Chamber size | ¢600x800mm | ¢600x800mm | ¢600x800mm | ¢600x800mm |
Heating power（kw） | 30 | 30 | 30 | 30 |
Limited vacuum（Pa） | ≤6.7 | ≤6.7 | ≤6.7 | ≤6.7 |
Rising rate（Pa/min） | ≤0.13Pa | ≤0.13Pa | ≤0.13Pa | ≤0.13Pa |
Max loading（kg） | 300 | 300 | 300 | 300 |
Treated maximum surface area | 3.0㎡ | 3.0㎡ | 3.0㎡ | 3.0㎡ |
Normal operating temperature(℃) | 500±50 | 500±50 | 500±50 | 500±50 |
Maximum operating temperature(℃) | ≤650 | ≤650 | ≤650 | ≤650 |
Maximum peak current(A) | 60 | 60 | 60 | 60 |
Maximum current(S) | 30 | 30 | 30 | 30 |
Maximum output voltage(V) | 0-900V Continuously adjustable | 0-900V Continuously adjustable | 0-900V Continuously adjustable | 0-900V Continuously adjustable |
Frequency(Hz) | 1000 | 1000 | 1000 | 1000 |
Control mode | Fixed frequency width adjustment | Fixed frequency width adjustment | Fixed frequency width adjustment | Fixed frequency width adjustment |
Output waveform | Rectangular square wave | Rectangular square wave | Rectangular square wave | Rectangular square wave |
Arc Speed | ≤15μs | ≤15μs | ≤15μs | ≤15μs |
Temperature control mode | PID Automatic control | PID Automatic control | PID Automatic control | PID Automatic control |
Pressure control mode | Manual control | PID Automatic control | Manual control | PID Automatic control |
Pressure sensor type | Absolute pressure transmitte | Absolute pressure transmitte | Absolute pressure transmitte | Absolute pressure transmitte |
Flow control mode | Manual control | PID Automatic control | Manual control | PID Automatic control |
Ammonia flow-meter type | Glass rotor flow-meter | Mass flow-meter | Glass rotor flow-meter | Mass flow-meter |
Carbon flow-meter type | Glass rotor flow-meter | Mass flow-meter | Glass rotor flow-meter | Mass flow-meter |
Parameter input mode | Key input | Touch screen input | Key input | Touch screen input |
Parameter recording mode | Recorder (temperature) | Computer automatic input | Recorder (temperature) | Computer automatic input |
Manual operation mode | Yes | Yes | Yes | Yes |
Automatic operation mode | No | Yes | No | Yes |
Programmable controller(PLC) | No | Yes | No | Yes |
Industrial control computer | No | Yes | No | Yes |
Furnace body lifting system | No | No | Yes | Yes |
Furnace cooling mode | Multi-channel water inlet manual adjustment | Multi-channel water inlet manual adjustment | Multi-channel water inlet manual adjustment | Multi-channel water inlet manual adjustment |
Control cabinet size | 1400*700*2000mm | |||
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