Structured Manufacturing Data (2026)

Piston Rod/Cylinder

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Piston Rod/Cylinder used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Piston Rod/Cylinder is characterized by the integration of Cylinder Barrel and Piston. In industrial production environments, manufacturers listed on CNFX commonly emphasize Chrome-plated steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The piston rod and cylinder assembly that converts hydraulic or pneumatic pressure into linear motion within an oscillation actuator.

Product Specifications

Technical details and manufacturing context for Piston Rod/Cylinder

Definition
In an oscillation actuator, the piston rod/cylinder assembly is the core mechanical component responsible for generating controlled reciprocating motion. The cylinder houses the piston, which is connected to the piston rod, and together they transform fluid pressure into precise linear displacement that drives the actuator's oscillating output.
Working Principle
Hydraulic or pneumatic pressure is applied to one side of the piston within the sealed cylinder, creating a force differential that pushes the piston and attached rod in a linear direction. Reversing the pressure direction causes the assembly to move in the opposite direction, enabling controlled oscillation when integrated with valve systems and control mechanisms.
Common Materials
Chrome-plated steel, Stainless steel, Aluminum alloy
Technical Parameters
  • Bore diameter and rod diameter are critical specifications determining force output and motion characteristics (mm) Standard Spec
Components / BOM
  • Cylinder Barrel
    Houses the piston and contains the working fluid under pressure
    Material: Steel or aluminum alloy
  • Piston Part
    Creates pressure differential by separating fluid chambers within the cylinder
    Material: Steel with sealing elements
  • Piston Rod Part
    Transmits linear force from the piston to the external load
    Material: Chrome-plated steel
  • Rod Seal Part
    Prevents fluid leakage while allowing rod movement
    Material: Polyurethane or nitrile rubber

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Piston Rod/Cylinder.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 300 bar (hydraulic), 10 bar (pneumatic)
flow rate: Dependent on cylinder bore size and actuator design
temperature: -40°C to +120°C
slurry concentration: Not recommended for slurry applications; maximum particle size < 25μm if unavoidable
Media Compatibility
✓ Hydraulic oil (ISO VG 32-68) ✓ Compressed air (filtered, lubricated) ✓ Water-glycol hydraulic fluids
Unsuitable: Abrasive slurries or corrosive chemicals without specialized seals/coatings
Sizing Data Required
  • Required force/thrust (N)
  • Stroke length (mm)
  • Operating pressure (bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive wear/scoring
Cause: Contamination in hydraulic fluid (particles, debris) or misalignment causing metal-to-metal contact between rod and seal/bushing
Corrosion/pitting
Cause: Exposure to moisture, corrosive fluids, or improper material selection for operating environment, leading to surface degradation and seal failure
Maintenance Indicators
  • Visible fluid leakage around rod seal or cylinder body
  • Audible knocking or scraping sounds during piston movement
Engineering Tips
  • Implement strict fluid cleanliness protocols (ISO 4406 monitoring) and proper filtration to prevent abrasive contamination
  • Ensure correct rod alignment during installation and use protective rod boots/wipers to exclude external contaminants

Compliance & Manufacturing Standards

Reference Standards
ISO 6432:2015 (Miniature pneumatic cylinders) ANSI/B93.5M-1985 (Hydraulic fluid power - Cylinders) DIN ISO 3320 (Fluid power systems and components - Cylinder bores and piston rod diameters)
Manufacturing Precision
  • Bore diameter: H8 tolerance (e.g., 50mm bore: +0.039mm/0mm)
  • Piston rod straightness: 0.1mm per 1000mm length
Quality Inspection
  • Hardness testing (Rockwell C scale for piston rods)
  • Surface roughness measurement (Ra ≤ 0.4μm for sealing surfaces)

Factories Producing Piston Rod/Cylinder

Manufacturer profiles with relevant production capability in China

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

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are available for piston rod and cylinder assemblies?

Our assemblies are manufactured using chrome-plated steel for durability, stainless steel for corrosion resistance, and aluminum alloy for lightweight applications in machinery and equipment manufacturing.

What are the main components in a piston rod/cylinder assembly?

The key components include the cylinder barrel, piston, piston rod, and rod seal, which work together to convert hydraulic or pneumatic pressure into precise linear motion within oscillation actuators.

How do I select the right piston rod and cylinder for my machinery?

Consider your operating pressure, environmental conditions, required precision, and material compatibility. Chrome-plated steel offers excellent wear resistance, stainless steel is ideal for corrosive environments, and aluminum alloy provides weight savings for dynamic applications.

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 Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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