AC/DC TIG WELDING MACHINE


TECHNICAL SPECIFICATION 
Model SI-TWM-300
Mains connection voltage  3ph, 50/60 Hz 380...460 V ±10 %
Maximum supply current  12...16 A
Fuse  16 A
Open circuit voltage (average)   MMA, 50 V
Rated maximum output at 40 °C  40 % TIG, 300 A / 22 V
Range of output TIG 3 A / 1 V ... 300 A / 38 V
MMA 10 A / 10 V ... 250 A / 39 V
Power factor, λ 400 V, MMA 250 A /30V, 0.9
Efficiency, ƞ 400 V, MMA 190A/27.6V, 85%
Idle power  TIG 20 W
Operating temperature range  -20...+45 °C
Storage temperature range  -20...+60 °C
EMC class  A
Degree of protection  IP23S
Voltage supply for cooling unit Ucu  380...460 V
Recommended generator power (MIN) Sgen, 20 kVA
Wireless communication type for remote Transmitter Frequency and power, 2.4 GHz Bluetooth, 2400-2483.5 MHz, 10 dBm
Wired communication type  Remote, Analog
CAN BUS  Can Bus
Stick electrode diameters  ø mm 1.6…4.0 mm
Standards  IEC60974-1,-3,-10
IEC 61000-3-12
AS 60974.1-2006 (3 GB 15579.1
Functions TIG: TIG HF Start, TIG LIFT Start & TIG Spot available
Pre Flow 0 to 10 Sec
Start Current Adjustment  5 - 300%
Up Slope  adjustable 0-5 Secs (Steps of 0.1sec);
Down Slope  0.1 – 15 sec.
Post Flow  0 to 30 sec
Hot Start level  - 80% to + 100%
Hot Start time  0.1 sec to 9.9 sec
TIG Pulse Frequency  0.2 Hz to 300 Hz
Double Pulse Feature  Yes
2/4 stroke  Yes
Memories  90 memory
Current mode  DC-/ DC+ / AC/ MIX
AC Waveform  Sine /Optima/Square
AC Frequency  30 Hz ... 250 Hz
AC+ / AC- balance -60 %...0 %
MIX TIG AC (time) ratio 10 %...90 %,step 1 %
MIX TIG cycle time 0.1s... 1.0s, step 0.1 s
MMA settings:  
Hot start  -10 ... +10, step 1 (Default = 0)
Arc force  -10 ... +10, step 1 (Default = 0)
MMA antifreeze OFF / ON (Default = OFF) Yes
VRD mode OFF / ON (Default = OFF) Yes
Cooling Unit minimum specifications  
Connection voltage  220...460 V AC, 1~/3~
Maximum rated supply current  1.0 A
Rated cooling power at 1 l/min  0.9 kW
Cooling power at 1.6 l/min  1.0 kW
Recommended coolant  MPG 4456
Coolant pressure 0.4 MPa
Tank volume  3.0 1
Operating temperature range *  -20 ... +45 °C
Storage temperature range  -20 ... +60 °C
EMC class  A
Degree of protection **  IP23S
Standards IEC 60974-2
IEC 60974-10
Features :  
A) Power Source: 
•Error code display for maintenance purpose.
• Auto cut off built in the power source. Over heat, under voltage, phase absence protections, phase failure indicator provided . Suitable indication/alarm on the above failure 
•Protection circuit.
•provided infinitely variable stepless current controls.
•support both TIG and MMA welding with AC/DC output with control feature and frequency control.
• Pre-set waveform control in AC welding, Sine, square and optima wave form.
• Capable of micro tacking function controller.
• Capability to change the welding current during welding without extinguishing of the arc.
• Function to set the search arc and tail arc while performing.
• Machine Compatible with Water Cooling unit
B) Display must be compatible with following selection
• Compatible with selection of material about to weld Fe / SS /AL
• Compatible with Selection of Welded material.
• Compatible with selection of Joint.
• Compatible with selection of Joint Position.
• Compatible with Water Cooling unit