Editorial Technical Reference

Hydraulic Press Brake

This page explains how Hydraulic Press Brake is classified within Fabricated Metal Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A hydraulic press brake is a metal forming machine used to bend sheet and plate material, most commonly steel.

Representative product image. Confirm appearance and specifications with the manufacturer.

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. Typical specifications include a bending force from 100 to 1000 tons, a bending length from 2000 to 6000 mm, and a stroke length from 100 to 300 mm. The throat depth ranges from 200 to 500 mm, and the operating pressure is typically 20 to 31.5 MPa. Bending accuracy is ±0.05 mm, and back gauge positioning accuracy is ±0.02 mm. The main drive motor power ranges from 5.5 to 30 kW, and the machine operates on a three-phase AC supply of 380 V (IEC 60038). The ambient temperature range is 5 to 40 °C, and the protection class is IP54 (IEC 60529). The approximate net weight is between 5000 and 30000 kg. These values are directory reference ranges and must be confirmed for the specific model and application. The machine is constructed with structural steel, a hydraulic cylinder, a CNC controller, and hardened tool steel components. Always verify model-specific values and standards with the legal manufacturer or supplier.
Working Principle
Hydraulic cylinders generate force to drive a ram (punch) downward, pressing the workpiece against a stationary die to achieve a bend angle. The CNC controller regulates the hydraulic system to control the ram's position and speed, ensuring precise bending. The back gauge positions the workpiece accurately for repeatable bends. The operator selects the bending program, and the machine applies the required force to form the metal.
Common Materials
structural steel, hydraulic cylinder, CNC controller, hardened tool steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
TonnageRequired100–1000 tonMaximum bending force
Bending LengthRequired2000–6000 mmMaximum workpiece length
Stroke LengthRequired100–300 mmMaximum ram travel
Throat Depth200–500 mmDistance from frame to center of bed
Operating Pressure20–31.5 MPaHydraulic system pressure.ISO 5208
Bending Accuracy±0.05 mmRepeatability of bend angle.
Back Gauge Positioning Accuracy±0.02 mmAccuracy of back gauge positioning.
Motor Power5.5–30 kWMain drive motor power.
Supply Voltage380 VThree-phase AC, 50/60 Hz.IEC 60038
Ambient Temperature5–40 °COperating temperature range.
Protection ClassIP54Dust and splash protection.IEC 60529
Machine Weight5000–30000 kgApproximate net weight.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

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
    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.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI B11.3 - Safety Requirements for Press Brakes CE Marking - Machinery Directive 2006/42/EC

Quoted from the published standard.

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

Manufacturers of Hydraulic Press Brake

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Changzhou Anchuang Intelligent Equipment Co., Ltd.
Jiangsu, CN
100+ staff
ISO9001 CE
Listed on the company's own website · profile compiled by CNFX from public sources
Jinan Senfeng Laser Technology Co., Ltd.
Jinan, Shandong, CN
TÜV CE FDA ETL SGS
Listed on the company's own website · profile compiled by CNFX from public sources
Wuxi Shenchong Forging Machine Co., Ltd.
Wuxi, Jiangsu, CN
Founded 2002
Listed on the company's own website · profile compiled by CNFX from public sources
Anhui Harting Machinery Technology Co., Ltd.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Dongguan Dadi Electronic Technology Co., Ltd.
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
DurmaPress
Anhui, CN
Listed on the company's own website · profile compiled by CNFX from public sources
G-Press (Jiangsu hongdong industrial automation co.,ltd)
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
HX Machinery
Tianjin, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Jining KeLi Photoelectric Industrial Co.,Ltd
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
MaoFeng
Anhui, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shanghai Metal Corporation
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
World Precise Machinery Group
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What is the typical bending force range for a hydraulic press brake?

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.

What materials can be processed with a hydraulic press brake?

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.

How accurate is the bending process?

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.

What are the electrical requirements for a hydraulic press brake?

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.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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