VEA001
OEM
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Product Description
The Folding Car Joint Lower Casting Part is a critical structural component in collapsible vehicle systems, manufactured through high-precision die casting or investment casting processes. Utilizing high-strength aluminum alloys (A360 or A380) or ductile iron (EN-GJS-500-7), this part enables smooth folding motion while maintaining rigidity under load. Designed with integrated bearing surfaces and reinforced pivot points, it withstands repetitive folding cycles without wear deformation. These castings meet stringent automotive OEM specifications for durability and safety in convertible roof mechanisms, folding seats, and retractable cargo solutions.
Product Name | Folding car joint lower part |
Standard /Non- Standard | Non-Standard Products |
Model | VEA001 |
Material | Carbon Steel |
Classification | Transport Tool Casting Part - Vehicle Accessories |
Process | Silica Sol Investment Casting +CNC machining |
Certification | ISO9001:2015 + SGS |
Service | OEM One-Stop Investment Casting &CNC Machining Service |
Technical Parameters
Product General Specs | |
Material | Austenitic stainless steel: 201, 303, 304, 316, 316L, 1.4581, scs14, scs16 |
Hardened stainless steel:17-4PH, 410, 420, 440C | |
Alloy cast steel: 4140, 4150, 4340, 8620, GS-25CrMo4 | |
Casting alloy tool steel: CS-2, CS-7, CrWMn | |
Carbon steel: 1020, 1025(WCB), 1030, 1040, 1045, 1050 | |
Weight | 1g-30kg |
Casting tolerance | CT4-CT7/GBT6414-1999; VDG Merkblad P690 |
Surface Roughness | Ra1.6-Ra6.3 |
Thickness | Min 2mm (1mm in Micro-region) |
Casting Radius | Round radius ≥0.3mm, Internal fillet radius≥0.5mm |
Blind Hole Depth | Max 30mm (Diamter 10mm) |
Machining | Turning,Milling,Drilling,Boring,Threading, Grinding,CNC Machining & test equipment |
Heat Treatment | Annealing,Hardening, Normalizing,Carburizing, Aging |
Surface Finishing | Black Oxide,Black Coating,Anti-Pollution Flashover Coating,Mirror Polish |
Industry Standards | ASTM, ICI, BS, DIN, JIS, ISO |
Design Software | Pro-E, UG,Solidworks, AutoCAD |
File Format | IGS, STP, XT, PDF, JPEG, JPG |
Product Uses & Advantage
Uses:
Convertible Roof Systems – Serves as the foundational hinge component in soft-top and hardtop folding mechanisms, ensuring precise alignment and structural integrity during repeated opening/closing cycles.
Collapsible Seating Arrangements – Provides robust pivot points for third-row stadium seats or fold-flat configurations in SUVs and minivans, supporting dynamic occupant loads.
Retractable Cargo Solutions – Forms the load-bearing base for folding trunk dividers and expandable truck bed systems, maintaining stability when extended.
Advantages:
Fatigue Resistance – Optimized grain structure from controlled solidification prevents crack propagation under 50,000+ folding cycles.
Weight Efficiency – Hollow-core casting designs reduce mass by 30% versus steel counterparts while meeting equivalent strength requirements.
Maintenance-Free Operation – Self-lubricating bronze bushings cast directly into pivot points eliminate periodic greasing needs.
Product Application
The Folding car joint lower part is a kind of Vehicle Accessories. Here are some specific application scenarios of Vehicle Accessories:
Electric Convertibles – Lightweight aluminum versions for emerging EV roadsters where weight savings directly impact battery range.
Off-Road Vehicles – Heavy-duty ductile iron variants for folding steps and rock sliders exposed to impact loads.
Commercial Fleet Vehicles – Corrosion-resistant designs for taxi partition hinges and delivery van load floor systems.