--- type: "product_component" title: "Hydraulic Press Brake" industry: "Fabricated Metal Product Manufacturing" verification_protocol: urn: "URN:CNFX:ME:HYDRAULIC_PRESS_BRAKE" data_integrity_hash: "8464a898456eb5b68f8b0c57bef92e58" 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:HYDRAULIC_PRESS_BRAKE" data_source_uri: "https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/hydraulic-press-brake.md" official_resource_url: "https://cnfx.com/industry/fabricated-metal-product-manufacturing/product/hydraulic-press-brake" is_verified_logic: true attributes: tonnage: status: "verified" value: "100–1000" unit: "ton" bending_length: status: "verified" value: "2000–6000" unit: "mm" stroke_length: status: "verified" value: "100–300" unit: "mm" throat_depth: status: "verified" value: "200–500" unit: "mm" operating_pressure: status: "verified" value: "20–31.5" unit: "MPa" bending_accuracy: status: "verified" value: "±0.05" unit: "mm" back_gauge_positioning_accuracy: status: "verified" value: "±0.02" unit: "mm" motor_power: status: "verified" value: "5.5–30" unit: "kW" supply_voltage: status: "verified" value: "380" unit: "V" ambient_temperature: status: "verified" value: "5–40" unit: "°C" protection_class: status: "verified" value: "IP54" unit: "" machine_weight: status: "verified" value: "5000–30000" unit: "kg" engineering_limits: max_safe_operating_point: value: 750 unit: "bar" consequence: "Seal failure occurs via extrusion at 750+ bar pressure differentials due to elastomer yield strength of 15 MPa; stick-slip results from boundary lubrication breakdown at 0.05 mm/s when fluid film thickness drops below 1 μm; frame yielding initiates at 6600 kN bending moment where von Mises stress exceeds S355 steel yield strength of 355 MPa" fmea_matrix_quantitative: - node_1: trigger: "Hydraulic fluid contamination with 15+ μm particles exceeding ISO 4406 18/16/13 cleanliness level" mitigation_protocol: "Install dual 3 μm absolute filters with differential pressure monitoring and automatic bypass at 3 bar ΔP" - node_2: trigger: "Asymmetric loading exceeding 5% side force differential during 90+ degree bending" mitigation_protocol: "Implement strain-gauge monitored pre-stressed tie-rod construction with 10 MN preload force per rod" bom_nodes: hydraulic-power-unit: type: "part" llms_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/hydraulic-power-unit.md" link_type: "product" link_target_urn: "URN:CNFX:ME:HYDRAULIC_POWER_UNIT" urn: "URN:CNFX:ME:HYDRAULIC_POWER_UNIT" interface_type: "physical-logic-coupled" is_standalone: true ram-punch: type: "part" llms_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/ram-punch.md" link_type: "product" link_target_urn: "URN:CNFX:ME:RAM_PUNCH" urn: "URN:CNFX:ME:RAM_PUNCH" interface_type: "physical-logic-coupled" is_standalone: true bed-die: type: "part" llms_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/bed-die.md" link_type: "product" link_target_urn: "URN:CNFX:ME:BED_DIE" urn: "URN:CNFX:ME:BED_DIE" interface_type: "physical-logic-coupled" is_standalone: true back-gauge: type: "part" llms_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/back-gauge.md" link_type: "product" link_target_urn: "URN:CNFX:ME:BACK_GAUGE" urn: "URN:CNFX:ME:BACK_GAUGE" interface_type: "physical-logic-coupled" is_standalone: true cnc-control-system: type: "part" llms_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/cnc-control-system.md" link_type: "product" link_target_urn: "URN:CNFX:ME:CNC_CONTROL_SYSTEM" urn: "URN:CNFX:ME:CNC_CONTROL_SYSTEM" interface_type: "physical-logic-coupled" is_standalone: true manufacturing_compliance: - standard: "CE MARKING - MACHINERY DIRECTIVE 2006/42/EC" scope: "Verified Engineering Specification" url: "https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/hydraulic-press-brake.md" on_chain_sovereignty: contract_standard: "ERC-721-Industrial" metadata_hash: "6aa05a0731b115ca95709d563bf0807b9344e3f4caa5e9235a9d560e1b949a24" royalty_logic: "IPFS-CID-REQUIRED" mint_status: "logic-verified-ready" rag_vector_index: semantic_queries: - "Hydraulic Press Brake" - "hydraulic press brake" - "metal bending machine" - "sheet metal forming" - "press brake specifications" - "Hydraulic Press Brake in Fabricated Metal Product Manufacturing" - "China Hydraulic Press Brake manufacturer" - "Hydraulic Press Brake supplier China" - "Hydraulic Press Brake tonnage" - "Hydraulic Press Brake bending_length" - "Hydraulic Press Brake stroke_length" version: "3.3.5-EXTREME-SOVEREIGN-WEB3" --- # Industrial Specification: Hydraulic Press Brake ## 1. Technical Definition A hydraulic press brake is a metal forming machine used to bend sheet and plate material, most commonly steel. ## 2. Engineering Reasoning & Causal Matrix > **Operational Intelligence**: Designed for **70-700 bar hydraulic pressure, 0.1-100 mm/s ram speed, 20-6000 kN bending force**. Failure boundary: **Hydraulic pressure exceeding 750 bar causes seal extrusion, ram speed below 0.05 mm/s induces stick-slip vibration, bending force beyond 110% rated capacity yields frame deformation**, Mechanism: **Seal failure occurs via extrusion at 750+ bar pressure differentials due to elastomer yield strength of 15 MPa; stick-slip results from boundary lubrication breakdown at 0.05 mm/s when fluid film thickness drops below 1 μm; frame yielding initiates at 6600 kN bending moment where von Mises stress exceeds S355 steel yield strength of 355 MPa**. ### 2.1 Analytical Physics Model Governed by the **Thin-Wall Pressure Vessel Stress Analysis**: > **Primary Equation**: $\sigma_h = \frac{P \cdot D}{2t}$ > **Engineering Impact**: Determines the hoop stress boundary to prevent rupture. | Symbol | Variable Definition | Localized Reference | | :--- | :--- | :--- | | P | Internal Pressure | Engineering Constant | | D | Diameter | Engineering Constant | | t | Wall Thickness | Engineering Constant | ### 2.2 FMEA (Failure Mode & Effects Analysis) | Event Trigger | Severity | Failure Mode | Mitigation Strategy | | :--- | :--- | :--- | :--- | | Hydraulic fluid contamination with 15+ μm particles exceeding ISO 4406 18/16/13 cleanliness level | Not specified | Servo valve spool jamming with 0.5+ mm displacement restriction | Install dual 3 μm absolute filters with differential pressure monitoring and automatic bypass at 3 bar ΔP | | Asymmetric loading exceeding 5% side force differential during 90+ degree bending | Not specified | Ram deflection inducing 0.2+ mm parallelism error across 3 m bed length | Implement strain-gauge monitored pre-stressed tie-rod construction with 10 MN preload force per rod | ## 3. Key Technical Parameters | Parameter | Value | Unit | Status | | :--- | :--- | :--- | :--- | | Tonnage | 100–1000 | ton | Verified | | Bending Length | 2000–6000 | mm | Verified | | Stroke Length | 100–300 | mm | Verified | | Throat Depth | 200–500 | mm | Verified | | Operating Pressure | 20–31.5 | MPa | Verified | | Bending Accuracy | ±0.05 | mm | Verified | | Back Gauge Positioning Accuracy | ±0.02 | mm | Verified | | Motor Power | 5.5–30 | kW | Verified | | Supply Voltage | 380 | V | Verified | | Ambient Temperature | 5–40 | °C | Verified | | Protection Class | IP54 | | Verified | | Machine Weight | 5000–30000 | kg | Verified | ## 4. System BOM & Knowledge Routing ### Core Components (Recursive Links) - [Hydraulic Power Unit](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/hydraulic-power-unit.md) `(Standalone System)` - [Ram / Punch](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/ram-punch.md) `(Standalone System)` - [Bed / Die](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/bed-die.md) `(Standalone System)` - [Back Gauge](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/back-gauge.md) `(Standalone System)` - [CNC Control System](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/cnc-control-system.md) `(Standalone System)` ### Industrial DNA Context (De-duplicated) **Complementary Dependencies**: **Sheet Metal Shearing Machine**, **CNC Punching Machine**, **Material Handling Crane** **Downstream Applications**: Metal Enclosures, Ductwork Components, Structural Brackets ## 5. Engineering Risks & FAQ - **Caution**: - **Caution**: - **Caution**: ### Q: What is the typical bending force range for a hydraulic press brake? **A**: The directory reference range for bending force is 100 to 1000 tons. The actual tonnage required depends on the material type, thickness, and bend length. Confirm the specific model's capacity with the manufacturer. ### Q: What materials can be processed with a hydraulic press brake? **A**: Common materials include structural steel and other metals. The machine uses hardened tool steel for the punch and die. The specific material grades and thicknesses that can be processed depend on the machine's tonnage and tooling. ### Q: How accurate is the bending process? **A**: The directory reference for bending accuracy is ±0.05 mm, and back gauge positioning accuracy is ±0.02 mm. Actual accuracy depends on machine condition, tooling, and material properties. Verify with the manufacturer for your application. ### Q: What are the electrical requirements for a hydraulic press brake? **A**: The machine typically requires a three-phase AC supply of 380 V (IEC 60038) with a frequency of 50/60 Hz. The main drive motor power ranges from 5.5 to 30 kW. Always check the nameplate and local electrical codes. ## 6. Manufacturing Compliance - CE MARKING - MACHINERY DIRECTIVE 2006/42/EC --- ### 🛠️ Engineering Resource Access 🔗 **[Full Specification: Hydraulic Press Brake](https://cnfx.com/industry/fabricated-metal-product-manufacturing/product/hydraulic-press-brake)** ### 🌐 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**: HYDRAULIC_PRESS_BRAKE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: aff462b1