INDUSTRY COMPONENT

Die Table

A precision-machined platform on a rotating turret that securely holds dies for stamping, punching, or forming operations in industrial machinery.

Component Specifications

Definition
The die table is a critical structural component of a rotating turret system, typically a circular or polygonal plate with precisely machined mounting surfaces and locating features (such as T-slots, bolt patterns, or dowel pin holes). It rotates to index different dies into the working position of the press or forming machine. Its primary function is to provide a rigid, flat, and accurately positioned base to which individual die sets are mounted and clamped, ensuring proper alignment with the machine's ram or tool holder during high-speed, repetitive operations.
Working Principle
The die table operates on the principle of rotational indexing. It is mounted on a central spindle or bearing assembly within the turret. A drive mechanism (often servo-controlled) rotates the table to bring a specific die station into the machine's work zone. Precision locking mechanisms (hydraulic, pneumatic, or mechanical) then secure the table in position to withstand the forces of the forming operation. This allows for rapid tool changes and multi-station processing without manual die handling.
Materials
Typically manufactured from high-strength, stress-relieved alloy steel (e.g., 4140, 4340) or ductile iron. Key properties include high rigidity, good machinability, and resistance to deformation under cyclic loading. Surface treatments like nitriding or hard chrome plating may be applied to wear surfaces to enhance durability and corrosion resistance.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Diameter500mm to 2500mm (typical range)
Rotation SpeedUp to 30 RPM (varies by size and drive)
Table Thickness50mm to 200mm
Indexing Accuracy±0.01° to ±0.05°
Max Load Capacity500kg to 5000kg per station
Mounting Stations4 to 24 stations (common)
Flatness Tolerance≤0.05mm/m

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

Standards
ISO 12100, ISO 13849-1, DIN 5510, DIN 8580

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Misalignment due to wear or improper mounting leading to part defects or tool damage
  • Fatigue failure from cyclic loading causing cracks in the table structure
  • Indexing errors resulting in collision between dies and machine components
  • Overloading beyond rated capacity causing permanent deformation
FMEA Triads
Trigger: Wear in indexing drive components (gears, bearings)
Failure: Loss of positional accuracy, leading to misaligned stamping/punching
Mitigation: Implement preventive maintenance schedules, use high-wear-resistant materials, install real-time position feedback sensors
Trigger: Improper die mounting or uneven clamping force
Failure: Die shift during operation, causing part inaccuracies or tool damage
Mitigation: Use standardized mounting procedures, torque-controlled clamping, and regular inspection of mounting surfaces
Trigger: Material fatigue from high-cycle operations
Failure: Crack propagation in the table body, leading to catastrophic failure
Mitigation: Design with adequate safety factors, perform periodic non-destructive testing (e.g., ultrasonic inspection), avoid overloading

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Flatness: ≤0.05mm/m; Indexing: ±0.02°; Parallelism: ≤0.03mm; Surface finish: Ra ≤1.6μm for mounting areas
Test Method
Flatness tested with precision level or laser interferometer; indexing accuracy verified with rotary encoder feedback and dial indicator; load capacity validated with static and dynamic load testing per ISO 230-1

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Die Table

Manufacturer profiles associated with Die Table.

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Frequently Asked Questions

What is the primary function of a die table in a rotating turret?

Its primary function is to securely hold and accurately position multiple die sets, allowing for rapid indexing between different forming or punching operations without manual tool changes, thereby increasing production efficiency.

How is indexing accuracy maintained on a die table?

Indexing accuracy is maintained through precision-ground gears or direct-drive servo motors, high-accuracy bearings, and positive locking mechanisms (like taper locks or hydraulic clamps) that eliminate backlash and ensure repeatable positioning within tight tolerances.

What are common maintenance requirements for a die table?

Regular maintenance includes lubrication of bearings and gears, inspection of locking mechanisms for wear, checking flatness and alignment, cleaning of mounting surfaces to prevent debris buildup, and verifying indexing accuracy with laser alignment tools.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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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