Industry-Verified Manufacturing Data (2026)

Hydraulic Press Brake

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Hydraulic Press Brake used in the Fabricated Metal Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Hydraulic Press Brake is characterized by the integration of Hydraulic Power Unit and Ram / Punch. In industrial production environments, manufacturers listed on CNFX commonly emphasize structural steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Industrial machine for bending sheet metal using hydraulic force.

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Product Specifications

Technical details and manufacturing context for Hydraulic Press Brake

Definition
A hydraulic press brake is a metal forming machine used to bend sheet and plate material, most commonly steel. It operates by applying a controlled hydraulic force to a punch, which presses the workpiece into a V-shaped die to create precise bends. These machines are fundamental in metal fabrication shops for producing brackets, enclosures, frames, and various structural components. They are valued for their power, precision, and ability to handle a wide range of material thicknesses.
Working Principle
Hydraulic cylinders generate force to drive a ram (punch) downward, pressing the workpiece against a stationary die to achieve a bend angle.
Common Materials
structural steel, hydraulic cylinder, CNC controller, hardened tool steel
Technical Parameters
  • Maximum bending force capacity (ton) Standard Spec
  • Usable length of the bed (mm) Standard Spec
Components / BOM
  • Hydraulic Power Unit
    Generates and regulates hydraulic pressure
    Material: Steel casing, hydraulic components
  • Ram / Punch
    Applies downward force to the workpiece
    Material: Hardened tool steel
  • Bed / Die
    Stationary surface supporting the workpiece and die
    Material: Hardened tool steel
  • Back Gauge
    Positions workpiece accurately for repeatable bends
    Material: Steel, linear guides
  • CNC Control System Optional
    Controls ram position, angle, and back gauge
    Material: Electronics, display
Engineering Reasoning
70-700 bar hydraulic pressure, 0.1-100 mm/s ram speed, 20-6000 kN bending force
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
Design Rationale: 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
Risk Mitigation (FMEA)
Trigger Hydraulic fluid contamination with 15+ μm particles exceeding ISO 4406 18/16/13 cleanliness level
Mode: Servo valve spool jamming with 0.5+ mm displacement restriction
Strategy: Install dual 3 μm absolute filters with differential pressure monitoring and automatic bypass at 3 bar ΔP
Trigger Asymmetric loading exceeding 5% side force differential during 90+ degree bending
Mode: Ram deflection inducing 0.2+ mm parallelism error across 3 m bed length
Strategy: Implement strain-gauge monitored pre-stressed tie-rod construction with 10 MN preload force per rod

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Hydraulic Press Brake.

press brake hydraulic bending machine CNC hydraulic press brake for structural steel industrial sheet metal bending machine high tonnage hydraulic press brake precision metal fabrication press brake custom hydraulic cylinder press brake

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 25 MPa (system pressure)
other spec: Flow rate: 20-100 L/min (hydraulic system), Bending accuracy: ±0.1 mm
temperature: 5°C to 40°C (operating ambient)
Media Compatibility
✓ Mild steel sheets ✓ Stainless steel plates ✓ Aluminum alloys
Unsuitable: Corrosive chemical environments (e.g., acid mist, salt spray)
Sizing Data Required
  • Maximum bending length (mm)
  • Material thickness (mm)
  • Required bending force (tons)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Hydraulic fluid contamination
Cause: Ingress of particulate matter, moisture, or air due to inadequate filtration, seal degradation, or improper fluid handling, leading to valve sticking, pump wear, and system inefficiency.
Ram misalignment or bending
Cause: Uneven loading, worn guide ways, or improper die setup causing off-center forces, resulting in inaccurate bends, excessive wear on cylinders, and potential structural fatigue.
Maintenance Indicators
  • Audible knocking or grinding from the hydraulic pump or cylinders during operation
  • Visible hydraulic fluid leaks around seals, fittings, or hoses, especially under pressure
Engineering Tips
  • Implement a strict hydraulic fluid cleanliness program with regular ISO particle count testing and scheduled filter changes based on condition monitoring.
  • Perform periodic laser alignment checks on the ram and bed, and maintain proper lubrication of guide ways to ensure even load distribution and prevent premature wear.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ANSI B11.3 - Safety Requirements for Press Brakes CE Marking - Machinery Directive 2006/42/EC
Manufacturing Precision
  • Bending Angle Accuracy: +/-0.5 degrees
  • Ram Parallelism: 0.02mm per 1000mm length
Quality Inspection
  • Load Testing - Verification of rated tonnage capacity
  • Hydraulic System Pressure Leak Test - 1.5x operating pressure for 30 minutes

Factories Producing Hydraulic Press Brake

Verified manufacturers with capability to produce this product in China

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T Technical Director from Brazil Jan 02, 2026
★★★★★
"Great transparency on the Hydraulic Press Brake components. Essential for our Fabricated Metal Product Manufacturing supply chain."
Technical Specifications Verified
P Project Engineer from Canada Dec 30, 2025
★★★★☆
"The Hydraulic Press Brake we sourced perfectly fits our Fabricated Metal Product Manufacturing production line requirements. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from United States Dec 27, 2025
★★★★★
"Found 38+ suppliers for Hydraulic Press Brake on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

6 sourcing managers are analyzing this specification now. Last inquiry for Hydraulic Press Brake from Mexico (1h ago).

Supply Chain Commonly Integrated Components

Lower Blade

The stationary cutting blade in a sheet metal guillotine shear that works in conjunction with the upper blade to shear metal sheets.

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Aluminum Shell

The outer protective casing component of a pharmaceutical vial aluminum seal

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Material Handling Crane

Overhead lifting equipment for transporting aluminum profiles between processing stations in an anodizing line

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Anodizing Tank Module

A modular tank unit designed for the electrochemical anodizing process of aluminum profiles, containing electrolyte solution and electrodes.

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Frequently Asked Questions

What materials can a hydraulic press brake bend effectively?

Hydraulic press brakes excel at bending structural steel, sheet metal, and other fabricated metals using hardened tool steel dies, with CNC control ensuring precision for various thicknesses and alloys.

How does the CNC controller improve press brake operation?

The CNC controller automates bending sequences, stores programs for repeat jobs, adjusts ram position and tonnage precisely, and integrates with back gauges for consistent, high-accuracy bends in metal fabrication.

What factors determine the tonnage required for a press brake?

Tonnage depends on material type (e.g., structural steel), thickness, bend length, and die opening. Higher tonnage (e.g., 50+ tons) handles thicker metals, while proper selection prevents machine overload and ensures quality bends.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Fabricated Metal Product Manufacturing sector.

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