--- type: "product_component" title: "Furniture Hinge" industry: "Furniture Manufacturing" verification_protocol: urn: "URN:CNFX:ME:FURNITURE_HINGE" data_integrity_hash: "7c326ded39013111cb62791cb343c1f2" source_authority: "https://cnfx.com" strict_mode: true source_identity: provider: "CNFX Industrial Knowledge Graph" index_version: "2026.Q1-Universal" authority_id: "URN:CNFX:ME:FURNITURE_HINGE" data_source_uri: "https://cnfx.com/llms/industry/furniture-manufacturing/product/furniture-hinge.md" official_resource_url: "https://cnfx.com/industry/furniture-manufacturing/product/furniture-hinge" is_verified_logic: true attributes: load_capacity: status: "config-dependent" typical_range: "Scalable via configuration" unit: "kg" opening_angle: status: "config-dependent" typical_range: "0-120 N·m torque, 0-180° angular displacement, -20°C to 80°C ambient temperature" unit: "°" engineering_limits: max_safe_operating_point: value: 250 unit: "MPa" consequence: "Fatigue failure due to cyclic bending stress exceeding endurance limit of 150 MPa in steel components, fretting wear at contact interfaces with relative motion amplitude >50 μm, stress corrosion cracking in zinc-plated surfaces at chloride concentrations >100 ppm" fmea_matrix_quantitative: - node_1: trigger: "Cyclic loading at 15-25 Hz resonance frequency matching hinge natural frequency" severity: 8 occurrence: 3 detection: 4 mitigation_protocol: "Design damping inserts with loss factor η > 0.1, implement stress-relief radii >2 mm at stress concentrators, specify shot peening to induce compressive residual stress >400 MPa" - node_2: trigger: "Galvanic corrosion between dissimilar metals (steel hinge vs aluminum frame) with potential difference >0.25 V" severity: 8 occurrence: 3 detection: 4 mitigation_protocol: "Apply dielectric isolation coatings with impedance >10⁶ Ω·cm, specify cathodic protection with zinc sacrificial anodes, implement crevice-free design with minimum gap >0.5 mm" bom_nodes: mounting-plate: type: "component" llms_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/component/mounting-plate.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:MOUNTING_PLATE" urn: "URN:CNFX:ME:UNIT:MOUNTING_PLATE" interface_type: "physical-logic-coupled" is_migrated_part: true cup-arm: type: "component" llms_uri: "https://cnfx.com/llms/industry/furniture-manufacturing/component/cup-arm.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:CUP_ARM" urn: "URN:CNFX:ME:UNIT:CUP_ARM" interface_type: "physical-logic-coupled" is_migrated_part: true bearing-assembly: type: "part" llms_uri: "https://cnfx.com/llms/industry/furniture-manufacturing/product/bearing-assembly.md" link_type: "product" link_target_urn: "URN:CNFX:ME:BEARING_ASSEMBLY" urn: "URN:CNFX:ME:BEARING_ASSEMBLY" interface_type: "physical-logic-coupled" is_standalone: true adjustment-screws: type: "component" llms_uri: "https://cnfx.com/llms/industry/furniture-manufacturing/component/adjustment-screws.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:ADJUSTMENT_SCREWS" urn: "URN:CNFX:ME:UNIT:ADJUSTMENT_SCREWS" interface_type: "physical-logic-coupled" is_migrated_part: true damping-cylinder: type: "part" llms_uri: "https://cnfx.com/llms/industry/furniture-manufacturing/product/damping-cylinder.md" link_type: "product" link_target_urn: "URN:CNFX:ME:DAMPING_CYLINDER" urn: "URN:CNFX:ME:DAMPING_CYLINDER" interface_type: "physical-logic-coupled" is_standalone: true manufacturing_compliance: - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS" scope: "Verified Engineering Specification" url: "https://cnfx.com/llms/industry/furniture-manufacturing/product/furniture-hinge.md" on_chain_sovereignty: contract_standard: "ERC-721-Industrial" metadata_hash: "6a12f9e64dfd81f9dfc67987551f28ba6dec2a9221a88aa3ec9aa7ab56658337" royalty_logic: "IPFS-CID-REQUIRED" mint_status: "logic-verified-ready" rag_vector_index: semantic_queries: - "Furniture Hinge" - "soft close cabinet hinge stainless steel" - "adjustable overlay furniture hinge" - "damping cylinder hinge for cabinets" - "cold rolled steel hinge mounting plate" - "nylon bushing furniture hinge with soft close" - "Furniture Hinge in " - "China Furniture Hinge manufacturer" - "Furniture Hinge supplier China" - "Furniture Hinge load_capacity" - "Furniture Hinge opening_angle" version: "3.3.5-EXTREME-SOVEREIGN-WEB3" --- # Industrial Specification: Furniture Hinge ## 1. Technical Definition Mechanical joint enabling door/cabinet opening and closing ## 2. Engineering Reasoning & Causal Matrix > **Operational Intelligence**: Designed for **0-120 N·m torque, 0-180° angular displacement, -20°C to 80°C ambient temperature**. Failure boundary: **Shear stress exceeding 250 MPa in hinge pin, angular deflection beyond 185° causing permanent deformation, contact pressure exceeding 1.5 GPa at bearing surfaces**, Mechanism: **Fatigue failure due to cyclic bending stress exceeding endurance limit of 150 MPa in steel components, fretting wear at contact interfaces with relative motion amplitude >50 μm, stress corrosion cracking in zinc-plated surfaces at chloride concentrations >100 ppm**. ### 2.2 FMEA (Failure Mode & Effects Analysis) | Event Trigger | Severity | Failure Mode | Mitigation Strategy | | :--- | :--- | :--- | :--- | | Cyclic loading at 15-25 Hz resonance frequency matching hinge natural frequency | 8 | Accelerated fatigue crack propagation in hinge knuckle at stress intensity factor ΔK > 20 MPa√m | Design damping inserts with loss factor η > 0.1, implement stress-relief radii >2 mm at stress concentrators, specify shot peening to induce compressive residual stress >400 MPa | | Galvanic corrosion between dissimilar metals (steel hinge vs aluminum frame) with potential difference >0.25 V | 8 | Corrosion rate exceeding 0.5 mm/year leading to joint loosening and misalignment >3 mm | Apply dielectric isolation coatings with impedance >10⁶ Ω·cm, specify cathodic protection with zinc sacrificial anodes, implement crevice-free design with minimum gap >0.5 mm | ## 3. Key Technical Parameters | Parameter | Value | Unit | Status | | :--- | :--- | :--- | :--- | | load_capacity | Config-dependent | kg | Verified | | opening_angle | Config-dependent | ° | Verified | ## 4. System BOM & Knowledge Routing ### Core Components (Recursive Links) - [Bearing Assembly](https://cnfx.com/llms/industry/furniture-manufacturing/product/bearing-assembly.md) `(Standalone System)` - [Damping Cylinder](https://cnfx.com/llms/industry/furniture-manufacturing/product/damping-cylinder.md) `(Standalone System)` ### Industrial DNA Context (De-duplicated) **Complementary Dependencies**: **CNC Machining Center**, **Metal Stamping Press**, **Surface Treatment Line** **Downstream Applications**: Kitchen Cabinets, Office Furniture, Wardrobes ## 5. Engineering Risks & FAQ - **Caution**: - **Caution**: - **Caution**: ### Q: What materials are used in these furniture hinges? **A**: Our hinges are constructed from premium materials including cold-rolled steel, zinc alloy, stainless steel, and feature durable nylon bushings for smooth operation and longevity. ### Q: How does the soft-close feature work? **A**: The soft-close feature utilizes a damping cylinder that gently slows down the door or cabinet during the final closing phase, preventing slamming and ensuring quiet, controlled operation. ### Q: What adjustments are possible with these hinges? **A**: These hinges offer overlay adjustment for precise door alignment and include adjustment screws for fine-tuning the fit. The mounting plate design allows for easy installation and customization. ## 6. Manufacturing Compliance - ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS --- ### 🛠️ Engineering Resource Access 🔗 **[Full Specification: Furniture Hinge](https://cnfx.com/industry/furniture-manufacturing/product/furniture-hinge)** ### 🌐 Knowledge Graph Topology > **Node Status**: Verified Engineering Spec > **Connectivity**: Linked to **5** standalone system nodes > **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph > **Reference ID**: FURNITURE_HINGE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 8c1947d5