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A double box girder gantry crane is an overhead crane built on top of a structure that is supported by freestanding legs, eliminating the need for an overhead runway system. Gantry cranes are built on movable frameworks with wheels that enable the structure to be moved along a track or rail system.
Double Box Girder gantry crane are designed with two girders configuration, providing various load capacities. Double box girder gantry crane are used to lift extremely heavy loads.
NANTE Double Box Girder gantry crane are designed with the highest engineering standards for safety and high performance by advanced technology. NANTE manufactures and supplies custom double girder gantry crane with the capacity up to 300 tons and span up to 50 meters for your demands.
----------------------------------------------------------Design and Manufacturing Feature-----------------------------------------------------------------
Design Code:
NANTE's Double Girder Gantry Crane follows the design code of FEM, CMAA, ISO EN, BS, GB standard.
Open Winch:
Heavy Duty Design, compact structure, smooth operation, accurate positioning, high Safety reliability, and Maintenance-friendly.
Girder:
Compact Design and low weight, use Q355B steel material(ISO EN S355, DIN ST52, ASTM A 572 Grade 50), welding specification follows ISO 15614, AWS D14.1, deflection can from 1/700 ~ 1/1000, MT or PT is requested for Fillet welding and UT is requested for joint welding.
End Carriage:
Direct Driving design with high transmission efficiency. Using hollow tube for the steel housing. Wheel material is alloy steel with proper heat treatment which is more stable and durable.
Gear Motor:
Worldwide top brand gear motor to make sure the quality, IP55, F insulation class, overheat protection, manual release bar, and equipped with electro-magnetic brake.
Control Panel:
Follow IEC standard, IP55 powder coating high quality enclosure, socket plug-in for easy connection, DIN standard terminal, international brand for the inverter, MCB, Contact and electrical devices on the panel
Festoon System:
Double line Galvanized C track system with flexible flat cable, one line for hoist power and signal transmission, one line for the pendent control trolley movement. No-welding claw is design for the brackets of the festoon system fixing.
Safety Protection Functions:
NANTE Double Girder Gantry Crane include a lot of protection functions, like Overheat protection for the lifting, load cell type overload limit switch, up&down position limit switch, cross limit switch for the cross travel and long travel. Phase sequence relay, and other optional functions, like crane monitoring system, LED load displayer.
Controls:
NANTE Double Girder Gantry Crane can offer both options of remote control and pendent control.
Anti-corrosive Treatment:
Shoot Blasting follow ISO8501-1 SA2.5 class, roughness follow ISO 8503 G class, and clearness follow 8502-3 Level II. Use top brand's Rich zinc epoxy painting for the prime, middle layer coating. Use polyurethane topcoat for the finished layer coating. All NANTE painters are trained or inspected by NACE or FROSIO level II Inspector
-------------------------------------------------------------------------- Application --------------------------------------------------------------------------------
Double Box Girder gantry crane is the ideal material lifting and transporting equipment for indoor and outdoor applications such as mining, general fabrication, train building yards, precast concrete and ship building industries, or special outdoor projects like construction of a bridge, or in places like steel mills where overhead room may be an issue.
| Technical Data of Double Girder Overhead Crane with Hoist | ||||||||||
| Capacity | 5t | 10t | 16t | 20t | 25t | 32t | 40t | 50t | 63t | |
| Duty Group(ISO/FEM) | M5/2m | M5/2m | M5/2m | M5/2m | M5/2m | M5/2m | M5/2m | M5/2m | M4/1Am | |
| Span | m | 10~40 | ||||||||
| Height of Lifting | m | 6~40 | ||||||||
| Left Cantilevel | m | <= span=""> | ||||||||
| Right Cantilevel | m | <= span=""> | ||||||||
| Power | 220v, 240,380v,400v,415v, 440v,460v,480v,525v / 3P / 50hz, 60hz | |||||||||
| Control Voltage | 24v, 36v, 48v, 110v, 220v | |||||||||
| Lifting Speed | m/min | 5/0.8 | 5/0.8 | 4/0.6 | 4/0.6 | 2.8/0.5 | 3.2/0.7 | 2.8/0.6 | 0.7~3.3 | 0.7~3.3 |
| Trolley Speed | 5/20 (Inverter Control) | |||||||||
| Long Travel Speed | 5/20, 8/32, 10/40, 15/60, 20/80 (Inverter Control) | |||||||||
| Lifting Motor | kW | 6.1 | 9.5 | 15 | 15 | 18 | 9.5/1.5 | 22 | 40 | 40 |
| Trolley Motor | 0.37x2 | 0.37x2 | 0.95x2 | 0.95x2 | 1.1x2 | 1.5x2 | 1.5x2 | 2.2x2 | 3x2 | |
| Long Travel Motor | 0.55~1.1kw × 2 | 0.75~2.2kw × 2 | 0.75~1.5kw × 4 | 1.5~2.2kw × 4 | ||||||
| Model of Hoist | NHA-D Low Head Room Double Girder Hoist (Double Lifting Speed is defualt, Inverter control is optional) |
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| Model of End Carriage | HSE Hollow Shaft End Carriage or Bogie Design | |||||||||
| Gear Motor & Inverter Brand | Worldwide Brand and NANTE | |||||||||
| Festoon System Type | C track/I beam with Flat cable | |||||||||
| Long Travel Power Supply | High-Tro Reel (HTR-3, HTR-4),Enclosed Conductor Rail (HFP52, HFP56), Unipole Conductor Rail (NSP24, NSP32) |
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| Control Model | Pendent Control, Remote Control, Crane Cabin | |||||||||
| Recommended Crane Rail | 50×30 | 60x40 | 70×40 | 80×40 | 100x40 | |||||
| IP/Insulation Class | IP55/F Class is default , IP65,IP66 and H class is optional | |||||||||
| Brake Type | Electro-Magnetic Brake | |||||||||
| Safety Protection Function | Hoisting Overheat Protection, Phase Sequence Relay, Secondary up position limit Switch, Overload Switch, Up&Down Position Limit Switch, Cross Limit Switch |
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| Safety Device (Opitional) | LED Load Displayer, Hoist Monitoring System, Alarm System | |||||||||
Q1: Are you Manufacturer or Trading Company?
A1:We are an integrated industrial and trade enterprises. We have our own R&D team, factory and marketing department.
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