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SM 500 Series Inverter Welding Machines

The ultimate cost saving welding machines, designed to adapt with your work requirements.

These exceptional welding machines allow you to purchase as required, any or all of these options:

MMA / TIG / MIG / PULSE TIG / PULSE MIG

Should your welding requirements change, you can upgrade these machines at a later date, all you need to do is contact WB ALLOYS to arrange a suitable time to have the additional functions added.

Our Quality System is approved in Accordance with BS EN ISO 9001-2000 by LLOYDS REGISTER CERTIFICATE No. LRQ 0911238/D

SM 500
Multiple Functions MMA / TIG / MIG / Pulse TIG / Pulse MIG
Advanced IGBT Inverter Power Saving & Light Weight
Thermal Overload Protection Prevents damage by overheating
Internal Dust Sensor Prevents damage by dust
Internal Moisture Sensor Prevents damage by moisture
Simple LCD Display Easy to use

 

 

Technical Specifications “500” series

Specification S-500 ST-500 SM-500 STM-500
Rated input voltage (V) 3-Phase AC~380/415V~50/60Hz
Input voltage range (V) 260V~460V
Rated output capacity (A) 500A~40V
Rated no-load voltage (V) 55V~80V
Duty cycle ≥60%
Power factor COS (φ) ≥0.85
Efficiency (η) ≥85%
Insulation grade H
Case protection grade IP23
Dimensions (mm) 610×320×600
Net weight (Kg) 38
Parameter memory block 30

 

Parameters for MMA welding

  S-500 ST-500 SM-500 STM-500
Current (A) 10-500 10-500 10-500 10-500
Arc force 0-10 0-10 0-10 0-10
Start current (A) 10-500 10-500 10-500 10-500
Start time(sec.) 0.01-1 0.01-1 0.01-1 0.01-1
Arc break adjust (V) 20-80 20-80 20-80 20-80

 

Parameters for DC.TIG welding

  S-500 ST-500 SM-500 STM-500
Current (A)   5-500   5-500
Slope up (A/sec.)   1-500   1-500
Slope down (A/sec.)   1-500   1-500
Start current (A)   40-500   40-500
Pilot current (A)   5-500   5-500
Gas pre-flow (sec.)   0.1-12   0.1-12
Gas pre-flow (sec.)   0.1-50   0.1-50
Tig switching methods   7   7

 

Parameters for Pulsed TIG welding

  S-500 ST-500 SM-500 STM-500
Peak current (A)   5-500   5-500
Slope up (A/s)   1-500   1-500
Slope down (A/s)   1-500   1-500
Start current (A)   40-500   40-500
Pilot current (A)   5-500   5-500
Gas pre-flow (sec.)   0.1-12   0.1-12
Gas post-flow (sec.)   0.1-50   0.1-50
Tig switching methods   7   7
Base current (A)   5-500   5-500
Base time (ms)   1-500   1-500
Peak time (ms)   1-500   1-500

 

Parameters for TIG spot welding

  S-500 ST-500 SM-500 STM-500
Spot welding current (A)   5-500   5-500
Gas pre-flow (sec.)   0.1-12   0.1-12
Gas post-flow (sec.)   0.1-50   0.1-50
Spot welding time (sec.)   0.01-5   0.01-5
Slope down (A/sec.)   1-500   1-500

 

Parameters for GMAW & Pulsed-GMAW welding

  S-500 ST-500 SM-500 STM-500
Current (A)     30-500 30-500
Voltage (V)     10-42 10-42
Arc force     1-10 1-10
Welding type     0-11 0-11
Trigger switching methods     2T, 4T 2T, 4T
Second current (A)     30-500 30-500
Second voltage (V)     10-42 10-42
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