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Grating Welding Machines

Dual Crossbar Welding

Energy Efficient
Three Phase Inverter DC Output Current Solution
Three phase balanced input with constant DC output, 70% energy saving can be achieved when compared to 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 the 70% energy cost saving, it could save up to US$20,000 in energy cost per year compared with AC machine. low connected load requirement.
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 weld.
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 is built in to eliminate condensation and maintain system stability.
* Chiller is provided as an option.

Specifications

MODEL DDIS-150X10-GT DDIS-150X12-GT DDIS-180X12-GT DDIS-180X16-GT
Description 150KVAX10 150KVAX12 180KVAX12 180KVAX16
GRATING SPECIFICATION
Grating Size (W x L) 1000mm×6000mm 1250mm×6000mm
Bearing Bar Thickness 6mm Thickness 8mm Thickness 6mm
No. of Bearing Bars 30pieces 30pieces 42pieces 42pieces
Cross Bar Bar Square Twisted 6×6mm 8×8mm
Cycle Time 9~10min / Grating
ELECTRICAL SUPPLY
Transformer Capacity (Per Set*) 150kVA 150kVA 180kVA 180kVA
No. of Transformers 10sets 12sets 12sets 16sets
Input Voltage; Frequency 380Vac、50Hz(415Vac,440Vac)
Control Frequency 1000Hz
Max Short Circuit Current 200,000A 240,000A 300,000A 400,000A
Connected Load 500KVA 750KVA 1,000KVA 1,750KVA
Primary Power Connection Cable 200mm²
per phase
300mm²
per phase
400mm²
per phase
600mm²
per phase
Programmable Control & Interface Japanese Mitsubishi PLC Controller with Japanese Proface 10”
Human Interface System
Servo Motor Mitsubishi 7.0 kW and 400W servo motor
COOLING WATER AND PRESSURE SUPPLY
Cooling Water Supply 150 L/Min 150 L/Min 200 L/Min 280 L/Min
Chiller Capacity (Option) 45HP
Welding Pressure 70Ton
Hydraulic Pump 210KG

■ To allow for continuing innovation, product dimensions are subject to change without prior notice.

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スポット溶接電極用テーパゲージ/TAPER RING & PLUG GAGES