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Resistance spot welder

240KVA Resistance spot welder, DC spot welding machine

240KVA Resistance spot welder, DC spot welding machine
240KVA Resistance spot welder, DC spot welding machine
  • Refresh time2022-5-14 13:38:01
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Product Description

240KVA Resistance spot welder,  DC spot welding machine

PLC Controlled Three-Phase Medium Frequency DC Spot Welding Machine

Model: SMD-240

SPECIFICATION

Items

Specification

Display

5 Inches Blue Display Screen

Rated Power

240KVA

Input Voltage

AC 380V, 50Hz

Duty Cycle Rate

20%

Maximum Short Circuit Current

60000A

Output VoltageDC11.3V

Inverter Frequency

1000Hz

Welding Pulse Times

3

Current Slow Rise And Down Control

Yes

Throat Depth

400mm


DESCRIPTION
Medium frequency inverter DC resistance control system: Refer to the following picture, the three-phase AC current has been rectified into DC. Then convert into medium frequency 1000Hz square wave and connected into primary of welding transformer through inverter circuit which is composed of IGBT. After the rectification through welding transformer, the current become DC with small pulsation and being supplied to electrode for welding. The inverter will adjust the duty cycle rate of IGBT according to the feedback of primary and secondary welding current so as to achieve constant current during welding process.


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Update time：2022-5-14 13:38:01  【Print this page】
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