Structured Manufacturing Data (2026)

CNC Press Brake

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard CNC 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 CNC Press Brake is characterized by the integration of Ram / Punch Holder and Bed / Die Holder. In industrial production environments, manufacturers listed on CNFX commonly emphasize High-Strength Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A computer-controlled machine tool that bends sheet metal into precise angles and shapes using a punch and die system.

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Product Specifications

Technical details and manufacturing context for CNC Press Brake

Definition
A core component within an Automated Metal Fabrication Cell System, the CNC Press Brake is responsible for the precise bending and forming of sheet metal components. It receives flat metal blanks from upstream processes (like laser cutting) and, through programmed tool paths and force application, creates complex 3D geometries, angles, and forms essential for fabricating enclosures, brackets, chassis, and structural parts. Its integration into the automated cell is typically managed by a central control system for material handling, tool change coordination, and quality verification.
Working Principle
The machine clamps a sheet metal workpiece between a matching punch (upper tool) and die (lower tool). A hydraulic or electric servo system drives the ram, forcing the punch into the workpiece and into the die cavity. The CNC system precisely controls the ram's position, speed, and tonnage based on the material properties and desired bend angle, achieving high repeatability. Backgauge fingers position the workpiece accurately for sequential bends.
Common Materials
High-Strength Steel, Tungsten Carbide (for tooling inserts)
Technical Parameters
  • Bending length capacity (e.g., 3000 mm) (mm) Per Request
Components / BOM
  • Ram / Punch Holder
    The moving upper beam that holds the punch tool and applies the downward force to bend the metal.
    Material: Cast Steel
  • Bed / Die Holder
    The stationary lower beam that holds the die tool, providing the forming surface against which the metal is bent.
    Material: Cast Steel
  • Backgauge System
    A programmable positioning system with fingers that accurately locates the metal sheet for consistent bend placement.
    Material: Aluminum Alloy, Steel
  • CNC Controller
    The computer and interface that stores bending programs, calculates bend deductions, and controls all machine axes (ram, backgauge).
    Material: Electronics (various)

Industry Taxonomies & Aliases

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

high-precision CNC press brake for metal fabrication computer-controlled sheet metal bending machine CNC press brake with tungsten carbide tooling industrial press brake for fabricated metal products automated metal bending machine with backgauge

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 1000 tons (maximum bending force)
other spec: Sheet thickness: 0.5-25 mm, Bending length: 1000-6000 mm, Positioning accuracy: ±0.01 mm
temperature: Ambient to 50°C (operating environment)
Media Compatibility
✓ Mild steel sheets ✓ Stainless steel plates ✓ Aluminum alloys
Unsuitable: Abrasive or corrosive environments without protective coatings
Sizing Data Required
  • Maximum sheet thickness (mm)
  • Required bending length (mm)
  • Desired bending angle accuracy (degrees)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Hydraulic system leakage
Cause: Worn seals, damaged hoses, or loose fittings in the hydraulic circuit, often due to contamination, high pressure cycles, or improper maintenance
Back gauge positioning inaccuracy
Cause: Wear in ball screws, misalignment of linear guides, or encoder failure, typically from excessive loading, lack of lubrication, or environmental contamination
Maintenance Indicators
  • Unusual knocking or grinding noises during bending operations
  • Visible hydraulic fluid leaks around cylinders or connections
Engineering Tips
  • Implement regular hydraulic fluid analysis and filtration to prevent contamination-related failures
  • Establish a precision alignment and calibration schedule for the back gauge system and ram parallelism

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems CE Marking - Machinery Directive 2006/42/EC ANSI B11.3 - Power Press Brakes Safety Requirements
Manufacturing Precision
  • Bending angle accuracy: +/-0.5°
  • Backgauge positioning repeatability: +/-0.01mm
Quality Inspection
  • Laser interferometer calibration for axis positioning
  • Load testing with strain gauges for frame deflection

Factories Producing CNC 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.

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.

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Frequently Asked Questions

What materials can a CNC press brake bend effectively?

CNC press brakes excel at bending various metals including mild steel, stainless steel, aluminum, and copper, with high-strength steel construction and tungsten carbide tooling inserts for durability and precision.

How does the CNC controller improve bending accuracy?

The CNC controller automates the bending process, ensuring consistent angles and dimensions through programmed sequences, reducing human error and increasing repeatability for fabricated metal products.

What maintenance does a CNC press brake require?

Regular maintenance includes lubricating the ram and backgauge system, inspecting tungsten carbide tooling for wear, and calibrating the CNC controller to maintain precision in metal fabrication operations.

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 for Fabricated Metal Product Manufacturing.

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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