Medium and High Frequency DC Welding Machine Transformer and Controller

Product Details
Customization: Available
Application: Diode, Resistance Welding Machine
Batch Number: 2023+
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  • Medium and High Frequency DC Welding Machine Transformer and Controller
  • Medium and High Frequency DC Welding Machine Transformer and Controller
  • Medium and High Frequency DC Welding Machine Transformer and Controller
  • Medium and High Frequency DC Welding Machine Transformer and Controller
  • Medium and High Frequency DC Welding Machine Transformer and Controller
  • Medium and High Frequency DC Welding Machine Transformer and Controller
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Basic Info.

Model NO.
MF/ZMF
Material
Element Semiconductor
Model
Mf/Zmf
Package
Water Cooling Diode
Signal Processing
Analog Digital Composite and Function
Voltage
Low on State Voltage Drop
Frequency
Medium, High
Current
Super Large Current
Resistance
Minium Thermal Resistance Thermal
Type
Welding Diode Assembly
Brand
Sailton/Sti
Transport Package
Carton Box
Specification
400*300*300
Trademark
Sailton/Sti
Origin
China
HS Code
85413000
Production Capacity
10000000

Packaging & Delivery

Package Size
30.00cm * 30.00cm * 30.00cm
Package Gross Weight
8.000kg

Product Description

Medium And High Frequency DC Welding Machine Transformer And Controller


Medium and High Frequency DC Welding Machine Transformer and Controller
Application 

 

1) Spot Welder 2) SEAM Welder 3) Projection Welder 4) High Frequency Induction Heating

For all kinds of intermediate frequency, power frequency 

resistance welding machine.Such as automobile welding clamp,

seam welding machine, mesh welding machine and so on.

 

 

Brief introduction 

 Medium-frequency (MF) transformers are a result of recent advances in resistance welding technology. 

They are powered by a transistor inverter, supplying square wave AC 500 V @ 1000 Hz which is converted 

by the MF transformer to a low voltage high current AC. This low voltage AC current is rectified to DC by 

a diode block built into the transformer.The higher operating frequency of an MF system allows efficient 

energy conversion using a smaller and lighter transformer.Other benefits with MF transformers used in 

portable and robotic welding guns are:The reactance of the welding loop only limits the upslope and down

slope of the welding current, while the peak welding current in limited only by the welding loop's resistance. 

The net result is again smaller transformer, especially when welding with large throat, high-impedance guns.

MF welding is less demanding on the plant power system. The MF inverter draws balanced line current from 

all 3 phases and operates at a high power factor (0.9).With MF transformers the peak welding current almost 

equals its RMS value, which helps to obtain quality welds with no splash and constantstrength even at lower 

pressure.The high frequency permits much faster - 1000 times per second - process control, which again results

in better weld quality.

 

Technology selection table

TYPE Unit MF6160 MF170-3G MF130 MF170 MF220 MF225

primary nominal voltage

v 500 500 500 500 500 500
frequency Hz 1000 1000 1000 1000 1000 1000
nominal power at 20%ED kVA 170 170 130 170 220 350
nominal power at 50%ED

 
kVA 105 105 85 105 150 225
nominal power at 100%ED

 
kVA 75 75 58 75 117 170
secondary  voltage V 9 9 9 9 13 13

permanent DC current 100%   

A 8500 8500 6500 8500 9000 13000
short-circuit current KA 38 38 32 38 45 55
turns ratio N1/N2 55:1 55:1 55:1 55:1 38:1 38:1
weight kg 20 20 15 20 25 40
temperature switch   2 x 150 °C, 1 x 70 °C   Temperature switch 
 
insulation class   F(155°C)
eddy current testing   150mV/KA±3%  150mV/KA±3%  150mV/KA±3%  150mV/KA ±3% - 150mV/KA±3% 
size mm 171.5×127×295 160*130*256 150*106*276+82 160X125X262 160×125×318 171.5*151*450
cooling water quant. Q       Tmax. 30ºC I/ min 8 8 8 8 12 12
pressure drop p (Q=6l / min ) Mpa <0.2 <0.2 <0.2 160X125X262 <0.1 <0.1
Note: The electrode output mode can be adjusted as needed. Built-in () welding diodes   2 2 2 2 4 4

 

Load endurance chart
Medium and High Frequency DC Welding Machine Transformer and Controller

 

NOTE:

If the secondary connection and secondary voltage need to be adjusted , please contact Manufacture  

Duty factor diodes:from the beginning of one welding time to the beginning of the next welding  (Spot to Spot)

Duty factor transformer:all welding time within 60s

Medium and High Frequency DC Welding Machine Transformer and Controller

Medium and High Frequency DC Welding Machine Transformer and Controller

CE certificate


Medium and High Frequency DC Welding Machine Transformer and Controller

Company Certificate

Medium and High Frequency DC Welding Machine Transformer and Controller


Medium and High Frequency DC Welding Machine Transformer and Controller

Factory environment display:

Medium and High Frequency DC Welding Machine Transformer and Controller

Medium and High Frequency DC Welding Machine Transformer and Controller


Medium and High Frequency DC Welding Machine Transformer and Controller
Medium and High Frequency DC Welding Machine Transformer and Controller

Medium and High Frequency DC Welding Machine Transformer and Controller

 
 

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