Large High Voltage Motor Squirrel-Cage Rotor Brazing Machine with Soldering Machine

• Type: High Frequency Brazing Machine
• Rated Output Powe: 200kw
• Rated Input Voltage: 380V, 3phase, 50Hz.
• Resonant Frequency: 6-10kHz
• Heating Temperature: 850
• Transport Package: Wooden Package
• Trademark: ZHENHUAN
• Origin: China

Product Description

Large high voltage motor squirrel-cage rotor brazing machine with soldering machine
 
I Description of the machine
This machine is used for brazing and heating of motor rotor guide bars. The equipment has strong professionalism, high degree of automation, simple operation, high welding quality of workpieces, no stress on the guide bars after welding, and no broken bars.
II Feature
1. Rated output power: 200kw, equipped with output transformer isolation;
2. Rated input voltage: three-phase 380VAC, 50Hz
3. Resonant frequency: 6-10KHz automatic tracking;
★4. Equipment efficiency ≥96%, power factor ≥0.96 (when output ≥50% rated power, the ratio of transformer box output power to input power).
★5. Adopt reactance analysis control method, stable adjustable range of output current and power: the output current can be adjusted continuously and stably from 1% to 100%, and the output power can be adjusted continuously and stably from 0.2% to 100%.
6. The equipment has the protection functions of resonance overcurrent, short circuit, DC overvoltage, resonance overvoltage, over temperature, phase loss, unit balance, and reactance over-limit protection; it has the functions of power, resonance voltage, volt-hertz, and temperature limit.
7. Choose the 20p industrial chiller as the cold source
★8. Inductor: According to the structural characteristics of the motor end ring, adopt  unilateral bottom plane heating inductor and the heating part is embedded with a high-frequency low-loss silicon steel sheet magnet to improve the heating efficiency.
11. The temperature sensor must be an infrared temperature sensor with laser alignment for short-wave copper metal measurement by a famous German brand (Opus).
12. Heating time: the overall heating and welding time is about 10 minutes, the heating time and holding time can be set independently, and the heating temperature rate can be set and controlled;
III How to use

1. Heating steps: The welding resonance frequency of the motor rotor bar welding heating equipment: 6-10KHz automatic tracking, the temperature is heated to greater than the melting point of the solder, and the heating temperature is about 850 ºC.

 
IV Structure specification
4.1 The whole set of equipment consists of IGBT intermediate frequency power supply (using water cooling), capacitor cabinet, transformer, heating inductor, motor rotor bar brazing bed, temperature control system (including temperature control PLC, man-machine interface operation screen) chiller. Its structure is as follows:

4.2 Introduction of heating sensor:
According to the structural characteristics of the motor end ring, a unilateral bottom plane heating inductor is used, the cooling method of the inductor is water cooling, and the heating part is embedded with a high-frequency low-loss silicon steel sheet magnetic conductor to improve the heating efficiency.

4.3 Motor rotor bar brazing heating machine body
The motor rotor guide bar brazing bed has sufficient rigidity and durability, small thermal deformation, anti-fabrication and anti-corrosion, the lower frame is welded by section steel, and the platform surface is covered with high-temperature epoxy glass fiber insulation board and heat-resistant mica board, anti-magnetic, anti-magnetic hot.
4.4. Temperature automatic control system
The automatic temperature control system is composed of an infrared temperature sensor with laser alignment, a temperature regulator, and an operating table, which is dedicated to short-wave copper metal measurement by a famous German brand (confidential).


5. Chiller
5.1 Closed circulation industrial chiller: rated cooling power ≥ 64KW (to meet the rated power 50% duty cycle operation), water tank capacity: ≥ 200 liters. It has the protection functions of phase error, overload, water temperature and water level, and is linked with the power supply to provide water pressure detection and protection.
5.2 The compressor adopts Panasonic compressor (Panasonic, Japan), which is a world-renowned brand of hermetic scroll compressor, which is 20-30% more energy efficient than reciprocating compressors, and has stable and reliable operation, high efficiency, low failure, low vibration, low noise, and maintenance. convenience and so on.
5.3 304 stainless steel water tank can effectively avoid corrosion and water leakage
5.4 High-performance stainless steel pump can ensure long-term uninterrupted work
5.5 The in-line condensing system is designed to achieve good heat exchange efficiency
5.6 The piping system adopts 304 stainless steel seamless pipe/non-ferrous metal material
5.7 Filters are installed in the media circulation loop and cooling water supply pipeline
According to the usage power of 600KW, select a 50-horse chiller to cool the entire equipment

III Price & sales conditions

No.	Name	Specification	Qty.	Unit price
1	IGBT intermediate frequency power supply	IGBT-200kw/6-10KHz	1
2	Intermediate frequency transformer	PR-2000KVA/10	1
3	Special heating sensor	ZDLC-400	1
4	Brazing machine body	SD-400CX	1
6	Automatic temperature control system	SDCW-900C	1
7	20P industrial chiller	20p	1