Editorial Technical Reference

Locking Mechanism Body

This page explains how Locking Mechanism Body is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

The main structural housing that contains and supports the internal components of a locking system.

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Product Specifications

Technical details and manufacturing context for Locking Mechanism Body

Definition
The Locking Mechanism Body is a primary structural component used in locking systems such as Ball-Lock or Taper systems. It provides a rigid framework that houses and aligns all internal locking elements, ensuring proper engagement and disengagement while withstanding operational forces and environmental conditions. This component is typically manufactured from materials such as stainless steel, aluminum alloy, or carbon steel, depending on the application requirements. The body's design is critical for maintaining the alignment of mating components, guiding the movement of locking elements (balls, tapers, pins), and transferring mechanical loads from the locked interface to the supporting structure. It is available in various configurations, with parameters that include operating temperature (-20 to 80 °C), body material (e.g., 304 stainless steel per ASTM A276), seal material (NBR per ASTM D2000), connection size (DN15–DN50 per ISO 7-1), overall length (80–200 mm per ISO 5752), weight (1.5–8.0 kg), surface finish (Ra 0.8–1.6 μm per ISO 1302), tolerance (±0.05 mm per ISO 2768-m), leakage rate (0.01 ml/min at rated pressure), cycle life (100,000 cycles per ISO 5211), and IP rating (IP65 per IEC 60529). These values are reference ranges and must be verified for the specific model and application. The body is designed to meet industry standards, but compliance should be confirmed with the manufacturer. For proper selection, consider the operating environment, pressure, temperature, and connection requirements. Regular inspection and maintenance are recommended to ensure long-term reliability. Always consult the supplier for model-specific data and certification.
Working Principle
The Locking Mechanism Body provides a fixed reference structure that maintains alignment between mating components. In operation, it guides the movement of locking elements such as balls, tapers, or pins, ensuring they engage and disengage correctly. The body transfers mechanical loads from the locked interface to the supporting structure, distributing forces evenly to prevent deformation or failure. Its rigid construction ensures that the internal components remain properly positioned under varying operational conditions, including pressure and temperature fluctuations. The body also protects internal parts from environmental factors, contributing to the overall durability and performance of the locking system.
Common Materials
Stainless Steel, Aluminum Alloy, Carbon Steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Operating Temperature-20–80 °COutside range seals may fail
Body Material304 SSCorrosion resistanceASTM A276
Seal MaterialNBROil resistanceASTM D2000
Connection SizeDN15–DN50 mmThreaded endsISO 7-1
Overall Length80–200 mmFace-to-face dimensionISO 5752
Weight1.5–8.0 kgDepends on size
Surface FinishRa 0.8–1.6 μmSealing surfacesISO 1302
Tolerance±0.05 mmCritical dimensionsISO 2768-m
Leakage Rate0.01 ml/minAt rated pressure
Cycle Life100000 cyclesMinimum operationsISO 5211
IP RatingIP65Dust-tight and water-jet protectedIEC 60529

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Mounting Flange Part
    Provides attachment points for securing the body to equipment or structures
    Material: Same as body material
  • Internal Bore/Chamber Part
    Houses and guides the locking elements (balls, tapers, pins) during operation
    Material: Same as body material
  • Alignment Features Part
    Ensures proper orientation and mating with counterpart components
    Material: Same as body material
  • Sealing Surfaces Part
    Provides contact areas for seals to prevent contamination ingress
    Material: Same as body material

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
other spec: Max vibration: 5g, IP rating: IP65
temperature: -40°C to 120°C
Media Compatibility
✓ Stainless steel (316L) ✓ Aluminum alloys ✓ Engineering plastics (PEEK, PTFE)
Unsuitable: High-concentration acidic or caustic chemical environments
Sizing Data Required
  • Required locking force (N)
  • Mounting interface dimensions (mm)
  • Environmental sealing requirements

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Wear-induced misalignment
Cause: Friction and repeated mechanical stress on moving parts (e.g., pins, latches) leading to material loss, dimensional changes, and compromised alignment, often accelerated by inadequate lubrication or contamination.
Fatigue cracking
Cause: Cyclic loading from operational forces (e.g., locking/unlocking cycles, vibration) causing progressive crack initiation and propagation in high-stress areas, such as corners or weld joints, potentially due to material defects or design stress concentrations.
Maintenance Indicators
  • Audible grinding, clicking, or unusual noise during operation indicating internal wear or obstruction.
  • Visible misalignment, excessive play, or difficulty in smooth engagement/disengagement of the locking mechanism.
Engineering Tips
  • Implement a regular lubrication schedule using manufacturer-recommended lubricants to reduce friction and wear on moving components, and ensure seals are intact to prevent contamination.
  • Conduct periodic alignment checks and torque verification on fasteners and mounting points to maintain structural integrity and prevent stress-induced failures.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/BHMA A156.5 - Auxiliary Locks and Associated Products DIN 18251 - Door locks and latches

Quoted from the published standard.

Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Surface flatness: 0.1mm
Quality Inspection
  • Dimensional verification with CMM (Coordinate Measuring Machine)
  • Material composition verification via Spectrographic Analysis
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 Locking Mechanism Body

Manufacturer profiles associated with Locking Mechanism Body.

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Frequently Asked Questions

What materials are available for the Locking Mechanism Body?

According to the directory, the body can be made from stainless steel, aluminum alloy, or carbon steel. The specific material grade, such as 304 stainless steel, should be confirmed with the supplier for your application.

What is the rated pressure range for this component?

This is a reference range; the actual rating depends on the model and must be verified with the manufacturer.

What operating temperature range is supported?

The operating temperature range is -20 to 80 °C. Outside this range, seals may fail, so it is important to confirm suitability for your environment.

What standards apply to this component?

Relevant standards include testing, ASTM A276 for material, ISO 7-1 for threads, ISO 5752 for face-to-face dimensions, ISO 1302 for surface finish, ISO 2768-m for tolerances, ISO 5211 for cycle life, and IEC 60529 for IP rating. Compliance should be verified with the supplier.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Locking System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

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.

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 · Page last updated 12 October 2026

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