8YRS
DAHCHING ELECTRIC IND CO., LTD.
886-6-5932646
886-6-5935555
No. 1-57, Gananan Li, Anding Dist.,Tainan City, Taiwan
www.dahching.com

Products

Grating Welding Machine
Grating Welding Machine
DDIS-GT










Single / Dual Cross Bar Grating Welding
Energy Efficient

Three Phase Inverter DC Output Current Solution

Three phase balanced input with constant DC output, 70% energy saving can be achieved compared with standard Single Phase AC machines!

Low 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.



High Return on Investment

Low Energy Cost and Efficient Production

With 70% energy-saving percentage, it could save up to US$20,000 in energy cost per year and have low connected load requirement compared with AC machine.



High Production Efficiency

Preloading System

Without stopping the machine, operator loads the bearing bar onto the preloading system for auto feeding into the welding station. Safety and efficiency enhanced.



Save Labour & Increase Safety

Cross Bar Auto Loading System

The pneumatic auto loader accurately feeds and positions two twisted bars onto the welding position prior to welding.



Stable & Excellent Welding Quality

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



Cooling is Vital in Performance

The Inverter DC transformers, electrodes and secondary coils are water cooled. The diodes are continuously cooled by chiller*. A series of fans are built in to eliminate condensation and maintain system stability.

* Chiller is provided as an option.

 

Specification

MODEL DDIS-150X10-GT DDIS-150X12-GT
Description 150kVAX10 150kVAX12
GRATING SPECIFICATION
Grating Size 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
Cycle Time 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
Control Frequency 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
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
Welding Pressure 70 Ton
Hydraulic Pump 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
Cycle Time 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
Control Frequency 1000Hz
Max Short Circuit Current 300,000A 400,000A
Connected Load 1,000kVA 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
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
Welding Pressure 70 Ton
Hydraulic Pump 210 KG

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