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Alignment Ring Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

A precision-machined annular component designed to ensure accurate concentric alignment between the die holder and press ram in stamping, molding, or forming machinery. It eliminates radial play and maintains consistent tooling position during high-cycle operations.

Working Principle

Utilizes interference fit or precise clearance with mating surfaces to create a rigid mechanical interface that restricts lateral movement while allowing axial force transmission. The ring's geometric accuracy ensures the die holder remains perfectly centered relative to the press axis.

Materials

High-carbon tool steel (AISI D2/D3), hardened to 58-62 HRC with surface finish Ra ≤ 0.8 μm. Alternative: Tungsten carbide for extreme wear applications.

Technical Parameters

Parallelism ≤ 0.01 mm
ID_tolerance H7
OD_tolerance h6
Concentricity ≤ 0.005 mm
Surface_hardness ≥ 58 HRC
Thermal_stability ≤ 0.002 mm/100°C

Standards

ISO 286-2, DIN 7154

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Alignment Ring.

Parent Products

This component is used in the following industrial products

Die Holder

A mechanical component in an extrusion press that securely clamps and positions the extrusion die during the metal forming process.

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Engineering Analysis

Risks & Mitigation

Concentricity loss causing part defects
Fatigue cracking under cyclic loading
Gallering from improper lubrication

FMEA Triads

Trigger: Insufficient hardness gradient
Failure: Premature wear and loss of concentricity
Mitigation: Implement deep cryogenic treatment during hardening process

Trigger: Thermal expansion mismatch
Failure: Binding during operation cycles
Mitigation: Select materials with matched CTE or design controlled clearance fits

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

ISO 2768-mK for general dimensions, ISO 1101 for geometric tolerances

Test Method

CMM verification per ISO 10360-2, surface roughness per ISO 4287

Buyer Feedback

★★★★☆ 4.9 / 5.0 (39 reviews)

"The Alignment Ring we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

"Found 17+ suppliers for Alignment Ring on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Alignment Ring is very thorough, especially regarding technical reliability."

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Frequently Asked Questions

What causes alignment ring wear in high-cycle applications?

Micro-fretting from cyclic radial loads, abrasive contamination, or thermal expansion mismatches between ring and holder materials.

How often should alignment rings be inspected?

Every 50,000 cycles for preventive measurement of concentricity and surface wear, with replacement recommended at 0.02 mm dimensional deviation.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Alignment Ring