Connection Ends: Torque Capacity Up to 5000 Nm

Component Specifications

Definition

Connection ends are specialized terminal sections of actuators and shafts designed to facilitate reliable mechanical coupling with mating components such as couplings, gears, pulleys, or other shafts. These interfaces ensure precise alignment, torque transmission, and load distribution while maintaining structural integrity under operational stresses. They are critical for power transmission systems in industrial machinery.

Working Principle

Connection ends function by providing standardized geometric features (such as keyways, splines, threads, or tapers) that interlock with corresponding features on mating components. This creates a secure mechanical joint that transmits rotational motion and torque while resisting axial and radial displacement. The design ensures minimal backlash and vibration, optimizing energy transfer efficiency.

Materials

Typically manufactured from high-strength alloy steels (e.g., AISI 4140, 4340), stainless steels (e.g., 304, 316), or hardened tool steels. Surface treatments may include nitriding, carburizing, or chrome plating for enhanced wear resistance and corrosion protection.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Hardness	45-60 HRC
Diameter Range	5-200 mm
Surface Finish	Ra 0.8-3.2 μm
Tolerance Class	IT6-IT8
Torque Capacity	Up to 5000 Nm

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 4156, ISO 773, DIN 5480, DIN 6885

Parent Products

This component is used in the following industrial products

Actuator/Shaft

A mechanical component that transmits rotational motion and torque within damper/louver systems.

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Engineering Analysis

Risks & Mitigation

Misalignment causing premature wear
Insufficient torque capacity leading to slippage
Corrosion in harsh environments
Fatigue failure from cyclic loading

FMEA Triads

Trigger: Improper installation or misalignment
Failure: Accelerated wear, vibration, and eventual joint failure
Mitigation: Use precision alignment tools during assembly and implement regular maintenance checks

Trigger: Material fatigue from cyclic loading
Failure: Crack propagation and catastrophic fracture
Mitigation: Design with appropriate safety factors, use fatigue-resistant materials, and implement non-destructive testing

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.02 mm for critical dimensions, concentricity within 0.05 mm TIR

Test Method

Coordinate measuring machine (CMM) verification, torque testing per ISO 6789, surface roughness measurement per ISO 4287

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.

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Manufacturers of Connection Ends

Manufacturer profiles associated with Connection Ends.

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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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Frequently Asked Questions

What are the main types of connection ends?

Common types include keyed ends (with keyways), splined ends (involute or straight splines), threaded ends, tapered ends (with locking mechanisms), and flanged ends for direct bolting.

How do I select the right connection end for my application?

Selection depends on torque requirements, rotational speed, alignment precision needed, space constraints, and maintenance considerations. High-torque applications typically use splined connections, while keyed connections are common for moderate loads.

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.

Connection Ends