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DIT intermediate frequency inverter spot welding machine

Performance and characteristics

1. 1000HZ working frequency, time control accuracy is 1ms, control accuracy is more than 20 times of traditional SCR resistance welding machine, secondary output is DC, strong output capability, flat waveform, zero inductance impedance, almost no during welding It produces spatters and good solder joint surface quality. It is especially suitable for welding thick workpieces and highly conductive metals such as copper and aluminum.

2. Intermediate frequency inverter spot welding machine is widely used. The welding transformer has a small volume and large output energy. Because its welding transformer frequency is from the current mains 50 / 60HZ, it can greatly reduce the weight of the iron core material. The rectifier diode in the secondary circuit of the transformer converts the electrical energy into a DC power supply for use by the welding machine, which can greatly improve the value of the secondary circuit inductance and save more than 30% of the power consumption of the user.

3. The power demand of the workshop is low, which is only one-third of the traditional rectifier resistance welding machine.

4. Since the welding current is non-zero, the effective value of welding is greatly increased, so that the actual welding time is reduced, and the welding current is smooth, which can greatly reduce the demand for electrode pressure and reduce the deformation of the workpiece.

5. The company's intermediate frequency welding system has been optimized and designed. It uses a faster welding current rising speed and can also replace energy storage welding machines and sub-pole rectification welding machines. The welding performance on galvanized and aluminum plates is very good , Is an economical solution for high-power energy storage welders and secondary rectifier welders.

6. Adopt high-speed microprocessor and intelligent algorithm to improve welding stability as a whole.

7, secondary current closed-loop control, can accurately control the actual welding current at high speed.

8, welding cycle from pre-pressure, pressurization, pre-heating, slow-rising, welding 1, cooling 1, welding 2, cooling 2, welding 3, slow down, cooling 3, tempering, maintenance, rest, etc. Multi-pulse function can meet the welding process requirements of various materials.

9. The operation interface adopts a large-screen LCD screen, with Chinese and English switching display, and the operation is very friendly and in line with modern trends.

10. It has automatic connection interface and system fault self-diagnosis function, which is convenient for maintenance.

11. Suitable for spot welding machines, seam welding machines, butt welding machines, brazing machines, gantry welding and other automatic welding special machines.

12. The cylinder reversing valve adopts the imported British "Nuoguan" solenoid valve, which has fast response speed, large flow rate, long service life, and adapts to high-speed RBI requirements.

13. The standard components are purchased from large factories, so that the overall quality of the welding machine reaches a high level.

Technical Parameters

model DIT-80 DIT-130 DIT-170 DIT-300 DIT-450
rated power 80KVA 130KVA 170KVA 300KVA 450KVA
Input voltage Three-phase 380V Three-phase 380V Three-phase 380V Three-phase 380V Three-phase 380V
Load factor 50% 50% 50% 50% 50%
Inverter frequency 1000HZ 1000HZ 1000HZ 1000HZ 1000HZ
Short circuit current 20KA 30KA 40KA 60KA 80KA
Cylinder stroke 60mm 80mm 80mm 100mm 100mm
control method

Primary constant current / secondary constant current

Electrode pressure 6000N 10000N 10000N 20000N 25000N
Cylinder stroke Ф125mm Ф160mm Ф160mm Ф200mm Ф225mm
Electrode tip Ф16mm Ф20mm Ф20mm Ф20 m Ф20mm
Electrode rod diameter Ф25mm Ф30mm Ф30mm Ф30mm Ф30mm
Brass rod diameter Ф60mm Ф75mm Ф75mm Ф75mm Ф100mm
Welding thickness (aluminum) 2 + 2mm 2.5 + 2.5mm 3 + 3mm 3.5 + 3.5mm 5 + 5mm
weight 380KG 460KG 500KG 880KG 960KG
Recommended input lead 16mm2 16mm2 16mm2 35mm2 50mm2

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