Explore our engineering-grade heavy-duty continuous geared hinges, precision extruded and cycles tested to support extreme high-traffic entrances.
Unlike standard butt hinges that concentrate door weight onto localized points of a door frame, aluminum continuous geared hinges run the full length of the entryway. This uniform load distribution mitigates door sag, reduces stress on frame anchors, and eliminates failure points along high-frequency openings.
Constructed with dual mating geared profiles kept aligned by a continuous channel cover, these components transfer the door's rotational stress uniformly. This eliminates side-load forces on the frame, making them ideal for heavy traffic entryways, high-impact environments, and massive industrial doors.
By shifting to continuous profiles, facilities lower their maintenance expenditures, guarantee long-term alignment, and ensure security profiles are kept tight and non-manipulable.
Established in 2015 and located in Foshan City, Guangdong, LvXing Intelligent Equipment Co., Ltd. boasts a skilled R&D team with extensive experience. We leverage exceptional technical expertise to effectively transform customers' ideas into reality, consistently meeting their precise requirements.
We utilize premium Fenglu aluminum, offering a diverse range of profiles for flexible applications. Our extrusion lines, ranging from 800T to 20,000T, accommodate alloys 1xxx, 2xxx, 3xxx, 5xxx, 6xxx, and 7xxx, allowing us to produce shaped products with section dimensions up to 1.2 meters in width and 28 meters in length. These products are recognized for their precision and meticulous processing, finding broad application in aerospace, military, medical, and industrial sectors.
Our commitment to excellence is evident throughout the manufacturing process, rigorous quality control, thorough packaging, and efficient shipping procedures. 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.
We aspire to be your trusted business partner and warmly invite you to visit our factory.
Leveraging high-performance metallurgical capabilities and multi-decade precision engineering to satisfy elite structural requirements.
Aerospace Grade Certification
We have obtained the “Special Aluminium Materials for Aerospace” Certificate, guaranteeing that the alloys used in our structural components meet the highest standards of tension strength, wind-load resistance, and micro-defect inspection.
Unparalleled Extrusion Press Force
We provide and utilize high-quality Fenglu aluminum profiles. With extrusion lines ranging from 800T to 20,000T, we can produce alloys 1xxx, 2xxx, 3xxx, 5xxx, 6xxx, and 7xxx. We can manufacture fully shaped products with section dimensions up to 1.2 meters in width or 28 meters in length.
15-Year Engineering R&D Team
We have a team of technicians with 15 years of invaluable experience. Our deep understanding of customer requirements allows us to identify potential issues and offer practical insights, turning customer ideas into tangible products that meet specific needs.
Understanding why procurement directors choose China's aluminum hubs for custom engineered hardware components.
Foshan is the heart of global aluminum manufacturing. From raw ingot sourcing, billet casting, tool and die fabrication, to precision CNC machining and custom surface finishing (anodizing, powder coating, PVDF coatings), the entire workflow is confined within a 15km radius. This dramatically decreases turnaround times for customized designs.
By partnering with premium domestic refineries like Fenglu, we utilize primary AA6063 and AA6082 aluminum ingots. This eliminates scrap metal recycled impurities, ensuring perfect anodizing color uniformity, higher shear strength values, and prevention of premature corrosion under coastal architectural installations.
With an in-house tooling workshop, we turn engineering schematics into custom extrusion dies in as little as 10-15 business days. This enables swift development of tailored continuous geared profiles, specific mounting hole configurations, or specialty wire pathways (EPT hinges) without costly tooling delays.
Engineered for mission-critical deployments across various heavy-duty application environments.
Ideal for malls, universities, transit stations, and government complexes. Replaces failed butt hinges to support high-occupancy entryways, absorbing violent impact forces and wind loads while minimizing door clearance maintenance costs.
Featuring flat surface structures and non-shedding internal gear bearings. They minimize micro-particle emission, making them ideal for pharmaceutical processing plants, food packaging sectors, and advanced semiconductor cleanrooms.
Engineered to absorb intense vibratory forces in high-speed rail systems, military shipping vehicles, heavy electrical switchgear cabinets, and industrial generator enclaves where structural reliability is non-negotiable.
A reference checklist for architects, structural designers, and procurement managers sourcing continuous hinges.
| Specification Parameter | Architectural Grade Standard | LvXing Premium Capability |
|---|---|---|
| Alloy Base | Aluminum AA6063-T6 | AA6063-T6, AA6082-T6, and custom 1xxx to 7xxx Series |
| Extrusion Thickness | Nominal 2.5mm - 3.2mm | Up to 5.0mm for high-impact armored or heavy door installations |
| Finish Classification | AAMA 611 Clear/Bronze Anodizing | Class I Anodizing (18µm+), Class II, or Custom Electrophoresis Coating |
| Cycle Performance Rating | ANSI/BHMA A156.26 Grade 1 (1.5M cycles) | Exceeds 1.5 million cycles under maximum heavy load configurations |
| Standard Lengths | 83", 95", 119" | Any customized cut-to-length profile up to 28 meters in length |
| Fire Certification | UL 10C Positive Pressure (3 hours) | Fire rated up to 180 minutes with custom steel stud inserts |
| Bearing Assembly Material | Molded Polymer / Engineered Delrin | High-lubricity self-lubricating Teflon/Delrin composites |
Anticipating next-generation technologies to future-proof commercial entry systems.
Modern access control demands seamless electrical transmission. Next-generation hinges incorporate concealed electrified prep (EPT) channels that route low-voltage wires through the gear assembly without exposure, shielding them from vandalism and weather wear.
Decarbonization is reshaping procurement. Leading architectural systems rely on low-carbon aluminum smelted with renewable hydro-power. LvXing actively implements sustainable manufacturing protocols, reducing carbon offsets in aluminum profiles.
In healthcare, corrections, and educational institutions, safety is paramount. Special continuous profiles featuring institutional-grade tapered tips prevent ligature attachments, supporting high safety standards without compromising aesthetics.
In-depth, direct answers compiled by our structural engineering and quality management divisions.
Geared continuous hinges run the entire length of the door, distributing weight evenly across the frame. This eliminates door sag (often caused by butt hinges at the top of the door frame), reduces stress on the structural frame, and enhances physical security by eliminating gaps that could be exploited by crowbars or cutting tools.
Architectural installations universally specify 6063-T6 aluminum due to its balance of tensile strength, corrosion resistance, and responsiveness to high-quality clear anodizing. For higher stress applications (such as military or transit gates), we utilize 6082-T6 aluminum, which exhibits significantly higher mechanical strength and structural load capacities.
Our geared profiles feature self-lubricating Delrin bearings spaced uniformly throughout the hinge length. The internal gears are lubricated with premium military-grade fluorocarbon grease. This setup prevents metal-on-metal friction and ensures the hinge passes 1.5 million operating cycles without sag or failure, meeting ANSI/BHMA A156.26 Grade 1 standards.
Yes, our continuous hinges are ideal for retrofitting. Because the hinge covers the full height of the opening, it conceals any damage or holes left by previous butt hinges. They can be installed directly onto hollow metal or wood frames, often restoring structural integrity to worn frames by utilizing fresh mounting positions along the vertical face.
We offer Class I (18µm+ thick) and Class II (10µm+) clear, dark bronze, and black anodized finishes compliant with AAMA 611. Class I anodizing is recommended for coastal or high-pollution areas to prevent oxidation, pitting, and salt spray damage over extended periods.
We manufacture custom electrified prep (EPT) hinges. These hinges feature specialized cutouts or concealed wire transfers, allowing power to pass from the door frame into the door slab through the hinge without exposing wires to tampering, damage, or wear from frequent operation.
For custom continuous profiles, die creation takes 10 to 15 business days. Once the tool is verified, mass production (extrusion, heat treating, machining, anodizing) takes between 20 to 30 days depending on total order volume. Standard catalog profiles can be processed and shipped much faster.
Yes, when ordered with our UL-certified steel fire pins, our continuous hinges are fire-rated for up to 3 hours (180 minutes) on wood and hollow metal doors under positive pressure standards (UL 10C). The steel pins engage the door leaf during high temperature events, keeping the door secured in the frame.
Review our core line of premium, certified continuous geared hinges below and contact our engineering team to request customized dimensions and volume price breaks.
LvXing Hinges
