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Grating Welding - GT Series

DDIS-GT

GT Model

Single/ Dual Cross Bar Grating Welding
Appliaction | Industrial Construction Industry
  • Grating
Video

Specification:

  • Energy Efficient

Three Phase Inverter DC Output Current Solution
Three phase balanced input with constant DC output can save 70% of energy consumption compared to standard Single Phase AC machines! Lowly connected load of 800kVA for dual bar welding, with primary current being as low as 1400A!

  • Energy Efficient

German Bosch Rexroth Inverter DC Power Supply
The German Bosch Rexroth inverter DC power supply helps making reliable welds with the primary current control and constant output current.

  • Higher Return on Investment

Lower Energy Cost and Efficient Production
With the benefit of energy cost saving up to 70%, it could save up to US$20,000 in annual energy cost compared to AC machines. It is with lower connected load.

  • High Production Efficiency

Preload System
Operators can load the bearing bars onto the preload system for automatic feeding into the welding station without stopping the machine. Safety and efficiency are both reinforced.

  • Manpower Saved & Safety Increased

Cross Bar Automatic Loading System
The pneumatic automatic loader feeds and positions two twisted bars onto the welding position before welding in an accurate manner.

  • Good Welding Quality

High current density with rigid pressure come from the heat-treated cast iron head, which is supported by four heavy duty steel columns results in high penetration and excellent welding quality.

  • Excellent Cooling

The inverter DC transformers, electrodes, and secondary coils are water cooled. The diodes are cooled by chiller* in a continuous manner. A series of built-in fans eliminate condensation and maintain system stability.
* Chiller is an optional equipment.

MODEL DDIS-150X10-GT DDIS-150X12-GT
Description 150kVAX10 150kVAX12
GRATING SPECIFICATION :    
Grating Size 1000mm x 6000mm 1000mm x 6000mm
Bearing Bar Thickness 6mm Thickness 8mm
No. of Bearing Bars 30 Pieces 30 Pieces
Cross Bar Bar Square Twisted 6 x 6mm 6 x 6mm
Cycle Time 9~10 Mins / Grating 9~10 Mins / Grating
ELECTRICAL SUPPLY :    
Transformer Capacity Per Set 150kVA 150kVA
No. of Transformers 10 Sets 12 Sets
Input Voltage; Frequency 380 / 415 / 440Vac, 50Hz 380 / 415 / 440Vac, 50Hz
Control Frequency 1000Hz 1000Hz
Max Short Circuit Current 200,000A 240,000A
Connected Load 500kVA 750kVA
Primary Power Connection Cable 200mm2 Per Phase 300mm2 Per Phase
Programmable Control and Interface Japanese Mitsubishi PLC Controller with Japanese Proface 10" Human Interface System A2-5
Servo Motor Mitsubishi 7.0kW and 400W Servo Motor Mitsubishi 7.0kW and 400W Servo Motor
COOLING WATER AND PRESSURE SUPPLY :    
Cooling Water Supply 150 L/Min 150 L/Min
Chiller Capacity (Option) 45 HP 45 HP
Welding Pressure 70 Ton 70 Ton
Hydraulic Pump 210 KG 210 KG
MODEL DDIS-180X12-GT DDIS-180X15-GT
Description 180kVAX12 180kVAX15
GRATING SPECIFICATION :    
Grating Size 1000mm x 6000mm 1250mm x 6000mm
Bearing Bar Thickness 8mm Thickness 6mm
No. of Bearing Bars 42 Pieces 42 Pieces
Cross Bar Bar Square Twisted 8 x 8mm 8 x 8mm
Cycle Time 9~10 Mins / Grating 9~10 Mins / Grating
ELECTRICAL SUPPLY :    
Transformer Capacity Per Set 180kVA 180kVA
No. of Transformers 12 Sets 15 Sets
Input Voltage; Frequency 380 / 415 / 440Vac, 50Hz 380 / 415 / 440Vac, 50Hz
Control Frequency 1000Hz 1000Hz
Max Short Circuit Current 300,000A 400,000A
Connected Load 1000kVA 1,750kVA
Primary Power Connection Cable 400mm2 Per Phase 600mm2 Per Phase
Programmable Control and Interface Japanese Mitsubishi PLC Controller with Japanese Proface 10" Human Interface System A2-5
Servo Motor Mitsubishi 7.0kW and 400W Servo Motor Mitsubishi 7.0kW and 400W Servo Motor
COOLING WATER AND PRESSURE SUPPLY :    
Cooling Water Supply 200 L/Min 280 L/Min
Chiller Capacity (Option) 45 HP 45 HP
Welding Pressure 70 Ton 70 Ton
Hydraulic Pump 210 KG

* We reserve the right to modify & improve our products without notice.

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