4 Girder Casting Crane Supplier by Henan Mine Crane Factory
Product Introduction of Henan Mine’s Four-Girder Casting Bridge Crane
Henan Mine’s four-girder casting bridge crane is a heavy-duty core equipment custom-designed for foundry workshops in steel and non-ferrous metal smelting industries. It precisely adapts to extreme operating conditions such as molten metal handling, ladle transfer, and casting lifting.
Featuring a four-beam, four-rail, dual-trolley structure at its core, the equipment integrates intelligent welding techniques, multi-level safety redundancy design, and enhanced high-temperature protection. This addresses industry pain points inherent in traditional double-beam casting cranes—poor load-bearing stability, weak torsional resistance, and high-temperature failure susceptibility—delivering a safe and reliable material handling solution for 24/7 continuous heavy-duty operations in foundries.
Henan Mine Machinery’s Four-Girder Casting Bridge Crane
Core Technical Advantages
- Four-beam, four-rail structure with stable load-bearing and high torsional resistance: Utilizing a four-beam, four-rail dual-trolley layout, the main beams are constructed from Q235B/Q345B high-strength steel. Optimized through finite element analysis, the structure exhibits superior stiffness under vertical and horizontal loads compared to LQ/1700, with strength ≤1000 kg/cm², far exceeding industry standard requirements. The trolley employs a balanced 20-wheel configuration with uniform wheel pressure distribution, effectively reducing structural steel costs for factory buildings.
- Full-process safety redundancy ensures secure molten material handling:
The main hoisting mechanism employs a redundant design with dual motors, dual reducers, and quadruple braking. If one motor fails, the other can temporarily operate to complete the current cycle. Multiple safeguards include overload warning, forced power shutdown at 1.05 times load capacity, infrared temperature monitoring, and anti-collision systems. An upper limit switch on the power circuit prevents hook collisions with the body, eliminating molten metal splatter. - Intelligent Manufacturing Processes Enhance Overall Reliability:
The main girder welding employs industry-leading intelligent welding robots. Internal welds utilize MAG welding with a mixed shielding gas of Ar and CO₂, while external welds employ automatic submerged arc welding. All welds undergo radiographic testing and ultrasonic flaw detection to ensure welding quality, guaranteeing machining precision and service life. - High-Temperature Adaptive Design for Enhanced Operating Environment
The lower section of the main beam incorporates dual thermal insulation systems. An internal cooling fan maintains optimal operating conditions for electrical control equipment. The operator cab features a fully enclosed, insulated structure with integrated cooling fans/air conditioning. The large-format tempered glass front panel provides expansive visibility while blocking high-temperature radiation. Electrical system utilizes IP55-rated, H-class insulation YZR series metallurgical motors, adapted for foundry workshops’ high-temperature, high-dust conditions to effectively prevent component failure. - Modular customization for diverse production needs
Core parameters are customizable. Rated lifting capacities range from 125/32 to 320/80 tons, with spans ranging from 19 to 28.5 meters and lifting heights from 22 to 32 meters. The gantry hook supports both rotating and non-rotating configurations. Employing modular, equal-strength, equal-lifespan design, transmission and structural components are optimally matched for ease of maintenance. Customizable fully automated operation enables remote monitoring and fault diagnosis, supporting seamless integration with MES production systems. Operational efficiency improves by 32% compared to traditional equipment.
Henan Mine Machinery’s Four-Girder Casting Bridge Crane
Application Scenarios
Specifically engineered for core foundry processes, it is widely used in steel and non-ferrous metal smelting for transporting molten metals (steel/copper), casting, iron blending, lifting large castings, and mold handling. Operates in -30°C to 40°C environments, withstands long-term 1000°C radiation, meets A7 duty cycle standards, and supports continuous operation exceeding 8000 hours annually.
Henan Mine Machinery’s Four-Girder Casting Bridge Crane
Benchmark Case Endorsement
A customized 260/100t four-girder casting bridge crane for a major steel group meets the demands of its 12-million-ton-per-year steelmaking workshop. Post-commissioning, it achieved zero accident rate in molten metal handling, boosted operational efficiency by 32%, and reduced annual maintenance costs by 18%, establishing itself as a flagship equipment for the enterprise’s smart manufacturing upgrade. Leveraging the structural advantages and manufacturing capabilities of this product series, Henan Mining consistently provides customized solutions and spare parts services to major domestic metallurgical enterprises, earning widespread industry recognition.
Henan Mine Machinery’s Four-Girder Casting Bridge Crane
Your Top Questions About Henan Mining's Four-Girder Cast Bridge Cranes and Professional Answers
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What are the advantages of the four-girder structure compared to traditional double-girder cranes?Expert Answer: The core advantages lie in three key dimensions: “greater load stability, enhanced torsional resistance, and optimized cost efficiency.” The four-beam, four-rail layout with 20 evenly distributed wheels ensures uniform load distribution. The dual-trolley independent operation design maintains a minimum safe distance of 3.5 meters between main and auxiliary trolleys. While the main trolley lifts molten metal, the auxiliary trolley can simultaneously transport auxiliary materials, enhancing operational efficiency while eliminating interference risks.
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Can the equipment operate stably long-term in a 1000°C high-temperature environment?Expert Answer: Long-term stable operation is achievable with extremely low electrical system failure risk. We implement triple high-temperature protection: 1. Structural insulation ensures the ambient temperature of electrical control equipment remains ≤40°C. 2. Component adaptation enables resistance to high-temperature radiation and dust erosion. 3. Fully enclosed, insulated operator cab with air conditioning maintains optimal working conditions.
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Can parameters like rated lifting capacity and span be customized?Professional Answer: Full customization is supported with industry-leading lead times. For special requirements, lifting capacity can be extended to 360 tons, span up to 30 meters, and lifting height adjustable to 35 meters based on workshop ceiling height. Gantry hooks can be customized with rotation functionality. Customization Process: Our technical team conducts on-site surveys, performs 3D modeling optimization based on workshop layout and process needs, and utilizes a modular design platform to shorten lead times. Standard custom orders are delivered and operational within 35 days.
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Are equipment maintenance costs high?Professional Answer: Maintenance costs are 30% lower than comparable industry equipment. Standardized maintenance manuals and complimentary technical training ensure operators quickly master skills. Annual maintenance expenses account for only 3% of the equipment's total price.
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What emergency measures ensure molten metal safety during sudden power outages or motor failures?Professional Answer: A triple-layered emergency protection system provides comprehensive risk mitigation. First, power failure emergency response; second, fault emergency response with dual-motor and dual-reducer redundancy in the main hoisting mechanism; third, operational emergency response supporting remote emergency control and on-site manual operation. All emergency functions require no specialized expertise—routine maintenance personnel can respond swiftly.
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Can the equipment integrate with our existing MES production system?Professional Answer: Seamless integration is fully achievable, enabling intelligent collaboration throughout the entire process. The equipment features standardized communication interfaces like OPC UA, facilitating three core synergies with MES systems: automatic task routing, real-time data uploads, and intelligent scheduling optimization—where the system automatically adjusts task priorities based on production progress.
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Compared to other brands, what cost-performance advantages does your product offer?Professional Answer: Significant cost-performance advantages with lower total lifecycle costs. First, lower initial investment—priced 35%-45% lower than comparable specifications. Second, reduced operational costs through variable frequency speed control and energy feedback technology, saving 15,000-25,000 kWh per unit annually. Maintenance costs are 30% lower than industry averages.
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What is the energy efficiency level of the equipment? Does it meet green factory policy requirements?Answer: Energy efficiency is industry-leading and fully compliant with green factory standards. Henan Mining itself is a nationally certified green factory. Our products exhibit a 28% lower carbon emission intensity across their entire lifecycle compared to industry averages. This supports your company's application for green factory certification, enabling access to relevant policy incentives.
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Can we inspect equipment operation at actual project sites before purchase? Is the inspection process complicated?Answer: Absolutely. The inspection process is simple and convenient. Our professional technical team will accompany you throughout, providing on-site explanations of core details like welding processes and safety redundancy designs. We coordinate with project operators to demonstrate workflow procedures and offer one-on-one answers to all your questions.