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Coupling Probe/Pin Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

A coupling probe or pin is a critical component in input/output couplers designed to ensure precise alignment and secure connection between rotating or stationary machine elements. It functions as a male connector that engages with corresponding female receptacles to transmit torque, motion, or signals while maintaining positional accuracy and minimizing misalignment forces.

Working Principle

The coupling probe/pin operates on the principle of mechanical interference fit or keyed engagement. When inserted into a mating receptacle, it creates a rigid connection that transfers rotational forces while maintaining axial and radial alignment. Precision-ground surfaces ensure minimal clearance for vibration reduction and optimal power transmission efficiency.

Materials

Typically manufactured from case-hardened alloy steel (e.g., AISI 4140, 4340) or stainless steel (e.g., 17-4PH, 316SS) with surface treatments including nitriding, chrome plating, or black oxide coating for corrosion resistance and wear protection.

Technical Parameters

Length Range 10-200 mm
Straightness 0.01 mm/100 mm
Load Capacity Up to 500 N·m
Surface Hardness 58-62 HRC
Diameter Tolerance ±0.005 mm

Standards

ISO 9409, DIN 332

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Coupling Probe/Pin.

Parent Products

This component is used in the following industrial products

Input/Output Couplers

Components that facilitate signal transfer between RF filters/duplexers and external circuits.

View Product Details

Engineering Analysis

Risks & Mitigation

Misalignment causing premature wear
Improper installation leading to connection failure
Material fatigue under cyclic loading

FMEA Triads

Trigger: Excessive radial load
Failure: Bending or fracture of probe
Mitigation: Implement proper alignment procedures and use probes with adequate diameter and material strength

Trigger: Corrosive environment
Failure: Surface degradation and loss of dimensional accuracy
Mitigation: Use corrosion-resistant materials and protective coatings

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

ISO 286-2:2010 for dimensional tolerances

Test Method

Dimensional verification per ISO 1, hardness testing per ISO 6508, torque testing per ISO 6789

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

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 coupling probe/pin?

The primary function is to ensure precise alignment and secure mechanical connection between mating components in couplers, enabling efficient torque transmission while minimizing vibration and misalignment.

How do I select the right coupling probe material?

Material selection depends on application requirements: alloy steel for high torque applications, stainless steel for corrosive environments, and surface treatments for enhanced wear resistance and durability.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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.

Coupling Probe/Pin