Structured Manufacturing Data (2026)

Hydraulic Press Brake

Based on aggregated insights from structured 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

Industry Taxonomies & Aliases

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

Industrial Ecosystem & Supply Chain Structure

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

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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 Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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