Connecting Bracket: Surface Finish Ra 3.2 μm or better

Component Specifications

Definition

A connecting bracket is a precision-engineered structural component designed to securely join multiple linkage elements (such as rods, levers, or arms) within a mechanical assembly. It functions as a critical interface that maintains geometric alignment, distributes operational loads (including tension, compression, and shear forces), and provides mounting points for adjacent parts. Typically manufactured through processes like casting, forging, or CNC machining, it is integral to the stability and kinematic accuracy of linkage systems in various industrial machinery.

Working Principle

The connecting bracket operates on the principle of providing a rigid, fixed connection point between moving linkage elements. It constrains degrees of freedom as required by the assembly design, transferring forces and moments from one linkage member to another while maintaining positional accuracy. Its geometry and mounting features ensure that the connected parts move in their intended paths without introducing unwanted play or deflection, thereby preserving the mechanical advantage and motion profile of the linkage system.

Materials

Common materials include: Carbon steel (e.g., AISI 1045 for general use), alloy steel (e.g., AISI 4140 for high-strength applications), stainless steel (e.g., AISI 304 for corrosion resistance), aluminum alloys (e.g., 6061-T6 for lightweight needs), or ductile iron. Material selection depends on load requirements, environmental conditions (corrosion, temperature), and weight constraints.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Weight	Varies by material (e.g., 0.5-2.5 kg)
Load Capacity	Rated for dynamic loads up to 5000 N
Surface Finish	Ra 3.2 μm or better
Operating Temperature	-20°C to 150°C
Mounting Hole Tolerance	H7 for precision fits

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-m, DIN 71802

Parent Products

This component is used in the following industrial products

Linkage Assembly

A mechanical assembly that transmits motion and force between control mechanisms and damper/vanes.

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Engineering Analysis

Risks & Mitigation

Fatigue failure under cyclic loads
Misalignment due to improper installation
Corrosion in humid or chemical environments
Overloading beyond design limits

FMEA Triads

Trigger: Insufficient material strength or poor heat treatment
Failure: Cracking or permanent deformation under load
Mitigation: Use certified materials with proper mechanical properties, conduct finite element analysis (FEA) during design, and implement regular non-destructive testing (NDT) inspections.

Trigger: Incorrect bolt torque or loose fasteners during assembly
Failure: Bracket loosening, leading to vibration, misalignment, and accelerated wear
Mitigation: Follow specified torque values using calibrated tools, apply thread-locking compounds if needed, and include torque checks in maintenance schedules.

Trigger: Exposure to corrosive agents without protective coating
Failure: Corrosion-induced weakening or seizing of mounting points
Mitigation: Select corrosion-resistant materials (e.g., stainless steel), apply protective coatings (e.g., zinc plating, powder coating), and ensure proper environmental sealing in design.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Geometric tolerances per ISO 1101, with positional tolerance of ±0.1 mm for critical holes

Test Method

Load testing per ISO 898-1 for fasteners, dimensional inspection via CMM (Coordinate Measuring Machine), and fatigue testing under simulated operational cycles

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.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Connecting Bracket

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Huizhou Lintai Industrial Co., Ltd.

Huizhou, Guangdong, CN

Also makes: Panel Enclosure

Listed on the company's own website · profile compiled by CNFX from public sources

Listed there as: “Connecting Bracket”
View source page ↗ lintai-enclosures.com · recorded 2026-09-08

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Explore company information and manufacturing capabilities, then discuss the scope of your project with a relevant supplier.

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 is the primary function of a connecting bracket in a linkage assembly?

Its primary function is to provide a secure, rigid connection point between linkage elements, ensuring precise alignment, load distribution, and kinematic accuracy within the mechanical system.

How do I select the right material for a connecting bracket?

Select based on operational requirements: use carbon steel for general strength, alloy steel for high-stress applications, stainless steel for corrosion resistance, or aluminum alloys for weight-sensitive designs, considering factors like load, environment, and cost.

What are common failure modes for connecting brackets?

Common failures include fatigue cracking due to cyclic loading, deformation from overloading, corrosion in harsh environments, and wear at mounting interfaces, which can lead to misalignment or reduced system performance.

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.

Connecting Bracket