Examine our precision-machined heavy-duty hinges designed for high-frequency traffic doors, architectural entrances, and robust industrial closures.
Traditional pivot and butt hinges concentrate the entire gravitational load and dynamic shear force of a heavy door onto a few localized screw groupings. This engineering bottleneck inevitably results in door sag, structural misalignment, and structural fatigue over cycles of high-intensity operation.
Aluminum continuous geared hinges revolutionize this dynamic. By distributing load uniformly along the entire length of the door frame, continuous geared hinges neutralize structural leverage. The gear-driven mesh mechanism ensures absolute alignment, frictionless rotational action, and unparalleled lifetime cycles. Engineered from high-strength architectural-grade and aerospace-grade aluminum alloys, these hardware systems are critical components in modern high-traffic infrastructure.
Leveraging premier materials and massive machinery to realize complex custom specifications.
Established in 2015 and located in Foshan City, Guangdong, LvXing Intelligent Equipment Co., Ltd. boasts a highly skilled R&D team with extensive experience. We leverage exceptional technical expertise to effectively transform customer concepts into functional architectural and mechanical realities, consistently meeting precise parameters.
We utilize premium Fenglu aluminum, offering a diverse selection of high-grade profiles for demanding structural applications. Our extrusion capabilities range from 800T up to a massive 20,000T, allowing us to process alloys in the 1xxx, 2xxx, 3xxx, 5xxx, 6xxx, and 7xxx series. This machinery allows us to manufacture fully shaped products with cross-sectional dimensions up to 1.2 meters in width and 28 meters in length. These continuous extrusions are recognized for their dimensional precision and meticulous post-processing, finding broad application in the aerospace, military, medical, and industrial sectors.
Our commitment to excellence is evidenced by our rigorous quality control procedures, thorough packaging, and reliable shipping systems. This dedication has earned us recognition as a national excellent and honest enterprise, along with quality system certification in accordance with GB/T19001-2016/ISO9001:2015 standards.
Our facility has obtained the prestigious “Special Aluminium Materials for Aerospace” Certificate. This validates our raw material purity, thermal processing control, and structural integrity under high fatigue criteria.
Utilizing high-grade Fenglu profiles, we process alloy series (1xxx-7xxx) to produce extra-long profiles up to 28 meters and structural profile widths up to 1.2 meters. Ideal for heavy industrial architectural projects.
Our engineering division holds 15 years of technical expertise. We analyze customer designs for potential installation, clearance, and load defects, offering valuable modifications before extrusion.
From extreme weather infrastructure to ultra-hygienic laboratory environments, custom aluminum geared hinges provide long-term structural reliability.
In public facilities such as schools, hospitals, and transit hubs, doors undergo hundreds of thousands of cycles annually. Continuous geared hinges prevent door sagging, reducing recurring maintenance and liability risks.
For blast-resistant assemblies and hurricane-prone coastal regions, the continuous geared design provides comprehensive interlock. It distributes extreme lateral forces evenly across the frame, keeping barriers secure.
Modern behavioral health centers and high-security detention facilities require specialized hardware. Continuous hinges leave no gaps between the door leaf and frame, preventing tampering and hanging points.
Urban density and accessibility compliance (such as ADA regulations in the U.S. and EN standards in the EU) require larger, heavier door designs. Standard hinges struggle with these loads. Additionally, architectural aesthetics favor clean, integrated profiles. Custom-finished aluminum geared hinges meet these requirements, serving as an architectural feature while handling significant weight.
Optimizing mechanical performance through precision chemistry, heat treatment, and anodization.
The performance of a geared hinge depends heavily on its base alloy. At Lvxing, we select materials based on specific mechanical and environmental demands:
To resist corrosive environments, our hinges undergo Class I/II anodizing or hard-coat anodizing. This electro-chemical process creates a durable aluminum oxide surface layer integrated into the metal, preventing corrosion in coastal environments and withstands regular sanitization in cleanroom projects.
Understand the factors that influence manufacturing costs and guide the selection of custom geared hinge profiles.
| Hinge Model Series | Alloy Class | Common Widths (mm) | Standard Lengths (in/mm) | Typical Applications | Price Index Factor |
|---|---|---|---|---|---|
| LX-H01 Series (Concealed Heavy Duty) | 6063-T6 | 80 - 110 mm | 83", 95", 120" | Commercial Entrances, Storefronts | Baseline (1.0) |
| LX-H02 Series (Half-Mortise System) | 6063-T6 / 6005-T6 | 90 - 120 mm | 83", 95", 120" | Retrofit Doors, High-Traffic Retail | 1.15x |
| LX-H03 Series (Full Surface Mounted) | 6063-T6 | 100 - 130 mm | 83", 95", 119" | Heavy Utility Enclosures, Metal Frames | 1.10x |
| LX-H04 Series (CE Rated / Security) | 6005A-T61 | 95 - 125 mm | Custom up to 3000 mm | Correctional Centers, Psychiatric Wards | 1.30x |
| LX-H05 Series (Precision Industrial) | 6063-T6 / 7075-T6 | 110 - 150 mm | Custom sizes | Aerospace access gates, Heavy Machinery | 1.50x - 2.0x (Alloy dependent) |
Pricing is based on: 1. Alloy Grade (e.g., 6063 vs. 7075); 2. Profile Width & Wall Thickness (influences weight per meter); 3. Machining Steps (CNC drilling patterns, custom clearance notches, EPT power transfers); 4. Finish Type (Clear Satin, Dark Bronze, or Custom Powder Coat); and 5. Order Quantity (optimized for high-tonnage production runs).
Addressing common engineering and sourcing questions about custom continuous geared hinges.
Continuous geared hinges spread the door's weight along the entire height of the frame, reducing stress at critical points. Pivot hinges focus all the load on the top and bottom corners, which can lead to door sag and frame damage. Geared hinges also block access to the gap between the door and frame, improving security and preventing pinched fingers.
For standard industrial use, 6063-T6 aluminum with Class I Clear Anodizing (MIL-A-8625 Type II) works well. For marine environments, wastewater plants, or chemical processing sites, we suggest 6005A-T61 or 5xxx series alloys with hard-coat anodizing (Type III) for enhanced protection against pitting and corrosion.
Yes. With extrusion lines ranging from 800T to 20,000T, we can produce custom designs. We work with alloys in the 1xxx through 7xxx series, creating continuous hinges up to 28 meters long and 1.2 meters wide. Our engineering team assists with CAD/BIM drawing checks, tolerances, and mechanical validation.
Our products undergo testing including cycle testing (exceeding 1.5 million cycles without failure), dimensional checks, salt spray tests for anodized coatings, and load-deflection testing to verify compliance with architectural standards.
Select a model below to request technical drawings, custom pricing, and shipping schedules.