Positioning Pins/Bushings: Load Capacity 500-2000N

Component Specifications

Definition

Positioning pins and bushings are precision-engineered components used in body fixtures and carriers to ensure accurate alignment, repeatable positioning, and secure mounting of workpieces during manufacturing processes. They provide mechanical reference points that eliminate positional errors and maintain dimensional stability throughout production cycles.

Working Principle

These components operate on the principle of mechanical interference and geometric precision. The tapered or cylindrical pin engages with a corresponding bushing to create a precise fit, establishing fixed reference points that constrain movement in specific axes while allowing controlled assembly and disassembly.

Materials

Typically manufactured from hardened alloy steel (AISI 4140, 4340), stainless steel (304, 316), or tool steel with surface treatments like nitriding, chrome plating, or carbide coating for wear resistance. Bushings may incorporate bronze or polymer inserts for reduced friction.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Hardness	58-62 HRC
Concentricity	0.01mm TIR
Load Capacity	500-2000N
Surface Finish	Ra 0.4μm
Temperature Range	-20°C to 150°C
Diameter Tolerance	±0.005mm

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 2768, DIN 6325, ISO 8015

Parent Products

This component is used in the following industrial products

Body Fixture / Carrier

A specialized holding and positioning device used to secure vehicle bodies during interior assembly operations.

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Engineering Analysis

Risks & Mitigation

Wear and dimensional degradation over time
Contamination affecting precision
Improper installation causing misalignment
Material fatigue under cyclic loading
Corrosion in harsh environments

FMEA Triads

Trigger: Abrasive wear from repeated insertion/removal cycles
Failure: Increased clearance leading to positional inaccuracies
Mitigation: Implement regular inspection schedules, use hardened materials with wear-resistant coatings, establish replacement intervals based on usage data

Trigger: Contamination by metal chips or debris
Failure: Binding or improper seating causing misalignment
Mitigation: Implement protective covers, regular cleaning protocols, design with self-cleaning features, use sealed bushings where applicable

Trigger: Improper installation force or alignment during assembly
Failure: Component damage or permanent deformation
Mitigation: Use guided installation tools, implement torque-controlled assembly procedures, provide clear installation documentation and training

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Geometric dimensioning and tolerancing per ASME Y14.5, positional tolerance typically ±0.01mm for precision applications

Test Method

Coordinate measuring machine (CMM) verification, functional gaging, laser alignment systems, and periodic calibration against master fixtures

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 Positioning Pins/Bushings

Manufacturer profiles associated with Positioning Pins/Bushings.

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Shaft Bearing

Precision component supporting rotating shafts in vibration motors to reduce friction and maintain alignment.

Seal Groove

Precision-machined groove in aluminum bearing housings designed to accommodate sealing elements for fluid containment and contamination prevention.

Frequently Asked Questions

What is the difference between positioning pins and bushings?

Positioning pins are the male components that provide the locating feature, while bushings are the female receptacles that receive the pins. Together they create a precise mating system for accurate alignment.

How do I select the right positioning pin for my application?

Consider load requirements, precision needs, material compatibility, environmental conditions, and required tolerance levels. Hardened steel pins with precise diameters are standard for high-accuracy applications.

What maintenance do positioning pins and bushings require?

Regular cleaning to remove debris, lubrication if specified by manufacturer, inspection for wear or damage, and periodic replacement based on usage cycles and wear patterns.

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.

Positioning Pins/Bushings