Sangroove (Jiangsu) Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of heavy-duty mining truck lower crossmember in China. If you're going to wholesale cheap heavy-duty mining truck lower crossmember made in China, welcome to get pricelist from our factory. All customized products are with high quality and low price.
Product Overview
The Heavy Mining Truck Lower Cross Beam is a critical load-bearing structural component of mining dump trucks, rigid mining trucks, and ultra-heavy engineering transport vehicles.
It is installed at the lower section of the chassis, connecting the left and right longitudinal beams and supporting the suspension system. It provides structural reinforcement, load transfer, and anti-torsion functionality, serving as a key structural backbone of the entire vehicle.
In mining operations, vehicles are exposed to extreme overload, heavy impact, and continuous vibration. The lower cross beam must withstand high vertical loads and resist torsional deformation and fatigue stress. Therefore, it requires excellent material strength, internal quality, structural integrity, and dimensional accuracy.
With over 40 years of heavy-duty casting experience, Sangroove (Jiangsu) Machinery Co., Ltd. specializes in manufacturing mining truck lower cross beams, gantry support beams, rear crossmembers, subframe brackets, and other heavy-duty structural castings for global mining equipment OEM customers.
Manufacturing Process
- Product Design Optimization & CAE Analysis
- Mold Development & Manufacturing
- Resin Sand Casting
- Lost Foam Casting
- Induction Furnace Melting & Composition Control
- Normalizing Heat Treatment
- Quenching & Tempering
- Stress Relief Treatment
- CNC Gantry Machining
- Ultrasonic Testing (UT)
- Magnetic Particle Testing (MT)
- CMM Dimensional Inspection
Technical Specifications
| Product Name | Heavy Mining Truck Lower Cross Beam |
| Material | ZG270-500 Cast Steel |
| Optional Materials | ZG310-570, 35CrMn, 42CrMo |
| Weight Range | 100–5000 kg |
| Casting Processes | Resin Sand Casting / Lost Foam Casting |
| Heat Treatment | Normalizing, Quenching & Tempering, Stress Relief |
| Inspection Standards | UT / MT / Dimensional Inspection |
| Machining Capability | CNC Gantry Machining |
| Applications | Mining Dump Trucks, Rigid Mining Trucks |
Product Advantages
• Ultra-High Torsional Strength for Mining Applications
• Excellent Fatigue Resistance via CAE-Optimized Design
• High Structural Integrity with Controlled Internal Quality
• Capability for Large Structural Castings up to 5 Tons
• High Dimensional Accuracy via Gantry Machining
Customer Benefits
• Improved chassis structural strength and stability
• Extended service life under extreme mining conditions
• Reduced downtime and maintenance costs
• Enhanced transport efficiency in heavy-duty operations
• Lower total cost of ownership
• Reliable OEM supply for large mining projects
Why Choose Sangroove
40+ Years of Heavy Casting Experience
Annual Production Capacity Exceeding 100,000 Tons
Four Major Casting Processes: Lost Foam, Resin Sand, Shell Mold, Green Sand
One-Stop Manufacturing from Mold to Finished Machining
Advanced Inspection Equipment: OBLF Spectrometer, ZEISS CMM, UT, MT, X-Ray Systems
Strong OEM supply experience for mining and construction machinery industries
Applications
• Mining Dump Trucks
• Rigid Mining Trucks
• Open-Pit Mining Vehicles
• Heavy Haul Trucks
• Mining Equipment Chassis Systems
• Ultra-Heavy Transport Vehicles
• Special Mining Machinery
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