Structured Manufacturing Data (2026)

Bed / Die

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Bed / Die used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Bed / Die is characterized by the integration of T-slots and Bed Frame. In industrial production environments, manufacturers listed on CNFX commonly emphasize Cast iron construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The stationary lower component of a hydraulic press brake that supports the die and provides a stable foundation for bending operations.

Product Specifications

Technical details and manufacturing context for Bed / Die

Definition
In a hydraulic press brake, the bed/die is the fixed lower section that holds the die (tooling) in place. It provides a rigid, stable platform against which the upper ram presses the workpiece to create precise bends. The bed typically includes T-slots or other mounting systems for securing various die configurations, and its flatness and rigidity are critical for maintaining bending accuracy across the entire working length of the machine.
Working Principle
The bed remains stationary during operation while supporting the die. When the hydraulic ram descends with the punch, the workpiece is pressed between the punch and the die mounted on the bed, causing plastic deformation and creating the desired bend angle. The bed's rigidity ensures minimal deflection under load, maintaining consistent bending force across the entire workpiece.
Common Materials
Cast iron, Steel alloy
Technical Parameters
  • Working length of the bed, determining maximum bendable sheet width (mm) Per Request
Components / BOM
  • T-slots Part
    Provide mounting points for securing various die configurations along the bed length
  • Bed Frame
    Main structural component providing rigidity and stability to support bending forces
  • Mounting Holes Part
    Additional securing points for specialized die setups and accessories

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Bed / Die.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 1000 MPa (depends on press brake tonnage and die design)
other spec: Bed flatness tolerance: ±0.05 mm/m, Surface hardness: 45-55 HRC, Maximum deflection under load: <0.1 mm
temperature: Ambient to 150°C (typical press brake operating range)
Media Compatibility
✓ Cold-rolled steel sheets ✓ Stainless steel plates ✓ Aluminum alloys
Unsuitable: Abrasive slurry environments (causes premature wear on bed surface)
Sizing Data Required
  • Maximum press brake tonnage (kN)
  • Required bed length (mm) for longest workpiece
  • Die mounting system type (e.g., T-slots, bolt pattern)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking
Cause: Cyclic loading from repeated forming operations leading to stress concentration at geometric discontinuities
Wear and surface degradation
Cause: Abrasive contact with workpiece materials and thermal cycling causing material loss and dimensional inaccuracies
Maintenance Indicators
  • Visible cracks or surface spalling on die faces
  • Abnormal noise during operation (e.g., grinding, popping sounds)
Engineering Tips
  • Implement regular dimensional inspections and surface condition monitoring using precision measurement tools
  • Apply proper lubrication and temperature control during operations to reduce thermal stress and friction

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ASTM A36/A36M - Standard Specification for Carbon Structural Steel CE Marking - Machinery Directive 2006/42/EC
Manufacturing Precision
  • Flatness: +/- 0.1mm per meter
  • Bore/Die Opening: +/- 0.02mm
Quality Inspection
  • Dimensional Verification with CMM (Coordinate Measuring Machine)
  • Magnetic Particle Inspection for Surface Cracks

Factories Producing Bed / Die

Manufacturer profiles with relevant production capability in China

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 is the primary function of a press brake bed?

The press brake bed serves as the stationary lower component that supports the die and provides a stable, rigid foundation for precise metal bending operations in hydraulic press brakes.

Why are T-slots included in press brake bed design?

T-slots allow for flexible die mounting and positioning, enabling operators to secure various die types and adjust setups quickly for different bending applications while maintaining stability.

How does material choice affect press brake bed performance?

Cast iron provides excellent vibration damping and stability, while steel alloy offers higher strength-to-weight ratios. Both materials ensure minimal deflection during high-tonnage bending 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.

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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