SAI Series Medium Frequency Precision Resistance Welding Machine

Utilizing advanced medium frequency inverter resistance welding technology, this system features the option of a built-in or external water-cooled transformer. With a control accuracy of 0.1ms, it precisely manages each welding program and process. It offers a wide range of current and energization time adjustments and supports multi-pulse specifications. Widely applied in low-voltage electrical appliances, diverse copper-silver contacts, and micro-connections for PCB boards and sensors.

Product Advantages


Match Touch Screen


Current Accuracy 10A


Control Precision 0.1ms


Mobile APP Real-time Monitoring


Precise Control Of Welding Heat

Product Parameters

SAI Series Medium Frequency Precision Welder
Input Voltage Single-phase AC 220V±10% / 3phase AC 220V~480V±10%
Output Voltage  1000Hz / 5000Hz / 10000Hz / 15~2500Hz , PWM 350~500V
Duty Cycle(ED) 10%
Maximum Output Current (A) 200
Cooling Method Air Cooled
Weld Schedule 16 / 128
Control Method  KSR/KUR/PHA
Secondary Feedback Yes
Solenoid Valve Control  24
Proportional Valve Control 0~10V / 4-20mA / 0~20mA
Ethernet Function No
Fieldbus Option RS422/WIFI

Application Display