Industry-Verified Manufacturing Data (2026)

Cylinder Housing

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Cylinder Housing used in the Fabricated Metal Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Cylinder Housing is characterized by the integration of Pin Chambers and Mounting Holes. In industrial production environments, manufacturers listed on CNFX commonly emphasize Brass construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The protective outer casing that encloses and supports the internal components of a lock cylinder.

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Product Specifications

Technical details and manufacturing context for Cylinder Housing

Definition
The cylinder housing is the structural component of a lock cylinder that provides a secure enclosure for the plug, pins, springs, and other internal mechanisms. It serves as the interface between the lock cylinder and the door or fixture, offering protection against physical attacks and environmental factors while maintaining precise alignment of internal components.
Working Principle
The cylinder housing functions as a stationary protective shell that remains fixed in the lock assembly. It contains precisely machined chambers for the pin tumblers and provides a cylindrical bore for the plug to rotate within. When the correct key is inserted, the pins align at the shear line, allowing the plug to rotate independently of the housing, thereby operating the lock mechanism.
Common Materials
Brass, Zinc Alloy, Steel
Technical Parameters
  • Outer diameter and length dimensions that determine compatibility with lock assemblies and door preparations (mm) Customizable
Components / BOM
  • Pin Chambers
    Holds pin tumblers and springs in precise alignment
    Material: Same as housing material
  • Mounting Holes
    Allows secure attachment to door or fixture
    Material: Same as housing material
  • Cylinder Bore
    Provides rotating surface for the plug
    Material: Same as housing material
Engineering Reasoning
0-150 MPa internal pressure, -40°C to 120°C temperature
Yield strength exceeded at 180 MPa (aluminum alloy 6061-T6) or 250 MPa (stainless steel 316L), causing permanent deformation; fatigue failure after 10^6 cycles at 100 MPa stress amplitude
Design Rationale: Plastic deformation via dislocation movement beyond yield point (Hooke's law violation); fatigue crack propagation from stress concentrators following Paris' law (da/dN = C(ΔK)^m)
Risk Mitigation (FMEA)
Trigger Corrosive environment (chloride concentration > 100 ppm) with galvanic potential difference > 0.25V
Mode: Pitting corrosion penetration exceeding 0.5 mm depth, compromising structural integrity
Strategy: Cathodic protection system with -0.85V vs. SCE reference electrode; 50 μm PVD aluminum oxide coating
Trigger Thermal cycling (ΔT > 80°C) at frequency > 0.1 Hz causing differential expansion (α = 23×10^-6/°C for aluminum vs 12×10^-6/°C for steel internals)
Mode: Thermal fatigue cracks initiating at housing-internal component interfaces, propagating at 0.01 mm/cycle
Strategy: Thermal expansion matching via Invar alloy inserts (α = 1.2×10^-6/°C); controlled gradient heating during assembly

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Cylinder Housing.

Cylinder Case Lock Shell Cylinder Body brass lock cylinder housing zinc alloy cylinder casing steel cylinder bore housing precision pin chamber cylinder housing fabricated metal lock cylinder enclosure

Applied To / Applications

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

Lock Cylinder
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 2 bar
other spec: Max torque resistance: 50 Nm
temperature: -40°C to 120°C
Media Compatibility
✓ Indoor air environments ✓ Dry mechanical systems ✓ Low-corrosion industrial settings
Unsuitable: High-pressure hydraulic systems
Sizing Data Required
  • Cylinder core diameter (mm)
  • Required keyway profile
  • Mounting interface dimensions

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking
Cause: Cyclic pressure loading leading to stress concentration at geometric discontinuities (e.g., bolt holes, corners)
Corrosion pitting
Cause: Exposure to moisture, chemicals, or atmospheric contaminants causing localized material degradation
Maintenance Indicators
  • Visible fluid leaks around sealing surfaces or joints
  • Abnormal vibration or audible knocking during operation
Engineering Tips
  • Implement regular non-destructive testing (e.g., ultrasonic thickness measurement) to monitor wall thickness degradation
  • Apply protective coatings and ensure proper drainage to prevent fluid accumulation and corrosion initiation

Compliance & Manufacturing Standards

Reference Standards
ISO 6020-1: Hydraulic fluid power - Mounting dimensions for single rod cylinders, 16 MPa (160 bar) series ANSI/B93.5M: Hydraulic Fluid Power - Cylinders - Bore and Rod Diameter and Port Sizes for Square Head and Square Flange Mounted Cylinders DIN ISO 6020-2: Hydraulic fluid power - Mounting dimensions for single rod cylinders, 25 MPa (250 bar) series
Manufacturing Precision
  • Bore Diameter: +/-0.02 mm
  • Surface Flatness: 0.05 mm per 100 mm
Quality Inspection
  • Dimensional Verification with CMM (Coordinate Measuring Machine)
  • Pressure Testing for Leakage and Structural Integrity

Factories Producing Cylinder Housing

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

T Technical Director from United States Jan 30, 2026
★★★★★
"Reliable performance in harsh Fabricated Metal Product Manufacturing environments. No issues with the Cylinder Housing so far."
Technical Specifications Verified
P Project Engineer from United Arab Emirates Jan 27, 2026
★★★★☆
"Testing the Cylinder Housing now; the technical reliability results are within 1% of the laboratory datasheet. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Australia Jan 24, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

8 sourcing managers are analyzing this specification now. Last inquiry for Cylinder Housing from Poland (55m ago).

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Frequently Asked Questions

What materials are best for cylinder housings in high-security applications?

For high-security applications, brass offers excellent durability and corrosion resistance, while hardened steel provides maximum tamper resistance. Zinc alloy is a cost-effective option for standard security needs with good mechanical properties.

How do mounting holes affect cylinder housing installation?

Precision mounting holes ensure proper alignment and secure fastening to door frames or locking mechanisms. Incorrect hole placement can compromise security and cause mechanical failure.

What are pin chambers and why are they important in cylinder housing design?

Pin chambers house the locking pins that interact with the key. Precise chamber dimensions and alignment are critical for smooth key operation, security against picking, and reliable lock performance.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Fabricated Metal Product Manufacturing sector.

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