Industry-Verified Manufacturing Data (2026)

Stick Cylinder

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Stick 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 Stick Cylinder is characterized by the integration of Cylinder Barrel and Piston. In industrial production environments, manufacturers listed on CNFX commonly emphasize High-strength alloy steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Hydraulic cylinder that controls the extension and retraction of the stick (arm) in a hydraulic excavator or similar equipment.

Product Specifications

Technical details and manufacturing context for Stick Cylinder

Definition
A hydraulic cylinder specifically designed as part of the hydraulic arm assembly (boom and stick) in construction machinery such as excavators. It is responsible for controlling the angular movement of the stick (the middle section of the arm), enabling digging, lifting, and material handling operations by extending or retracting to change the stick's position relative to the boom and bucket.
Working Principle
Operates on hydraulic fluid pressure. When pressurized hydraulic oil enters one side of the cylinder through hydraulic lines, it pushes the piston rod to extend or retract. The opposite side's oil returns to the reservoir. Directional control valves manage oil flow to control movement, with pressure relief valves for safety.
Common Materials
High-strength alloy steel, Chromium-plated steel rod, Polyurethane seals, Bronze bushings
Technical Parameters
  • Bore diameter, rod diameter, stroke length, and mounting dimensions (mm) Customizable
Components / BOM
  • Cylinder Barrel
    Houses the piston and hydraulic fluid, withstands internal pressure
    Material: High-strength alloy steel
  • Piston
    Separates pressure chambers, transfers force to the rod
    Material: Alloy steel with wear-resistant coating
  • Piston Rod
    Transmits linear force to the stick mechanism
    Material: Chromium-plated steel
  • Seal Kit
    Prevents hydraulic fluid leakage and contamination
    Material: Polyurethane, nitrile rubber
  • Mounting Hardware
    Connects cylinder to stick and boom pivot points
    Material: Forged steel
Engineering Reasoning
15-35 MPa (150-350 bar)
42 MPa (420 bar) burst pressure for SAE 100R2AT hose assemblies, 55 MPa (550 bar) for cylinder barrel yield strength in 4140 steel
Design Rationale: Cavitation-induced pitting from pressure drops below 0.5 MPa (5 bar) absolute during rapid retraction, causing vapor bubble collapse and material erosion at 1500 m/s microjet impacts
Risk Mitigation (FMEA)
Trigger Particulate contamination exceeding ISO 4406 18/16/13 cleanliness level
Mode: Spool valve stiction and seal extrusion through 5 μm clearance gaps
Strategy: Integrate 3 μm absolute beta₃≥2000 filter with 0.5 MPa (5 bar) differential pressure switch
Trigger Water ingress exceeding 500 ppm in hydraulic fluid
Mode: Hydrogen-induced cracking in chrome-plated piston rods under 1200 MPa tensile stress
Strategy: Implement vacuum dehydration unit maintaining fluid below 30% relative humidity at 40°C

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Stick Cylinder.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max 350 bar (5000 psi)
flow rate: Up to 200 L/min (53 GPM)
temperature: -20°C to 80°C
slurry concentration: Not applicable - designed for hydraulic oil systems
Media Compatibility
✓ Hydraulic oil (ISO VG 46/68) ✓ Biodegradable hydraulic fluids ✓ Water-glycol hydraulic fluids
Unsuitable: Saltwater or corrosive chemical environments without special seals
Sizing Data Required
  • Required force (kN or lbf)
  • Stroke length (mm or inches)
  • Mounting configuration (clevis, trunnion, flange)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Rod seal leakage
Cause: Wear from contamination ingress, misalignment causing side loading, or improper seal material selection for operating conditions
Cylinder barrel scoring
Cause: Contaminated hydraulic fluid, inadequate filtration, or abrasive particles entering the cylinder assembly
Maintenance Indicators
  • Visible hydraulic fluid leakage around rod seals or cylinder body
  • Audible knocking or scraping sounds during extension/retraction cycles
Engineering Tips
  • Implement proactive contamination control with proper filtration (ISO 4406 cleanliness targets) and regular fluid analysis
  • Ensure proper cylinder alignment and mounting to prevent side loading, and use appropriate cushioning to reduce impact forces at stroke ends

Compliance & Manufacturing Standards

Reference Standards
ISO 6432:2015 (Pneumatic fluid power - Single rod cylinders, 8 to 25 mm bores - Mounting dimensions) ANSI/B93.5M-1985 (Hydraulic Fluid Power - Cylinders - Bore and Rod Diameter, Inch Series) DIN ISO 3320 (Fluid power systems and components - Cylinder bores and piston rod diameters - Metric series)
Manufacturing Precision
  • Bore diameter: +/-0.02 mm
  • Rod straightness: 0.1 mm per 1000 mm length
Quality Inspection
  • Pressure test (leakage and burst)
  • Dimensional verification (bore, rod, stroke, mounting dimensions)

Factories Producing Stick Cylinder

Verified manufacturers with capability to produce this product in China

✓ 96% Supplier Capability Match Found

P Project Engineer from Australia Jan 09, 2026
★★★★★
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Stick Cylinder meets all ISO standards."
Technical Specifications Verified
S Sourcing Manager from Singapore Jan 06, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Stick Cylinder arrived with full certification."
Technical Specifications Verified
P Procurement Specialist from Germany Jan 03, 2026
★★★★★
"Great transparency on the Stick Cylinder components. Essential for our Machinery and Equipment Manufacturing supply chain."
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.”

17 sourcing managers are analyzing this specification now. Last inquiry for Stick Cylinder from USA (1h ago).

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Frequently Asked Questions

What materials are used in this stick cylinder for durability?

Our stick cylinder is built with high-strength alloy steel for the barrel, chromium-plated steel for the piston rod, polyurethane seals for leak resistance, and bronze bushings for smooth operation.

What components are included in the BOM for this cylinder?

The bill of materials includes: Cylinder Barrel, Mounting Hardware, Piston, Piston Rod, and Seal Kit - all designed for easy maintenance and replacement.

What types of equipment is this stick cylinder compatible with?

This hydraulic cylinder is specifically designed for controlling stick/arm extension and retraction in hydraulic excavators and similar heavy machinery in the construction and mining industries.

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.

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