Structured Manufacturing Data (2026)

Hydraulic Power System

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Hydraulic Power System 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 Hydraulic Power System is characterized by the integration of Hydraulic Pump and Hydraulic Reservoir. In industrial production environments, manufacturers listed on CNFX commonly emphasize Hydraulic Oil construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A hydraulic power system that provides controlled fluid pressure to drive the clamping, injection, and ejection mechanisms in a precision LED lens molding machine.

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Product Specifications

Technical details and manufacturing context for Hydraulic Power System

Definition
The hydraulic power system is a critical component of the Precision LED Lens Molding Machine, responsible for generating, regulating, and delivering high-pressure hydraulic fluid to various actuators. It ensures precise and repeatable force application during the molding cycle, including mold clamping to withstand injection pressure, controlled injection of molten plastic, and part ejection, which is essential for producing high-quality, optically precise LED lenses with consistent dimensions and minimal flash.
Working Principle
An electric motor drives a hydraulic pump to pressurize hydraulic fluid (oil) from a reservoir. This pressurized fluid is directed through control valves (such as directional, pressure, and flow control valves) to hydraulic cylinders or motors. The system uses feedback from pressure sensors and position transducers to maintain precise control over force, speed, and position of the molding machine's platens and screw, enabling the high-precision requirements of LED lens production.
Common Materials
Hydraulic Oil, Carbon Steel, Alloy Steel, Seals (NBR/FKM)
Technical Parameters
  • Maximum system working pressure, typically ranging from 14-21 MPa (2000-3000 psi) for precision molding applications. (MPa) Customizable
Components / BOM
  • Hydraulic Pump
    Converts mechanical energy from the motor into hydraulic energy by pressurizing the fluid.
    Material: Alloy Steel
  • Hydraulic Reservoir
    Stores hydraulic fluid, allows for heat dissipation, and helps separate air and contaminants from the fluid.
    Material: Carbon Steel
  • Directional Control Valve
    Directs the flow of hydraulic fluid to control the movement (extend/retract) of hydraulic cylinders.
    Material: Carbon Steel/Alloy Steel
  • Pressure Relief Valve
    A safety component that limits the maximum pressure in the system by diverting excess fluid back to the reservoir.
    Material: Alloy Steel
  • Hydraulic Cylinder
    Converts hydraulic pressure into linear mechanical force and motion to perform clamping, injection, and ejection.
    Material: Hardened Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Hydraulic Power System.

precision LED lens molding hydraulic system hydraulic power unit for injection molding machines hydraulic clamping system for lens production industrial hydraulic pressure control valves NBR FKM seal hydraulic cylinder components

Applied To / Applications

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

Slipform Paver
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 210 bar
flow rate: 5 to 100 L/min
temperature: 10°C to 60°C
slurry concentration: Not applicable (clean hydraulic oil only)
Media Compatibility
✓ ISO VG 46 hydraulic oil ✓ Synthetic ester-based fluids ✓ Water-glycol fire-resistant fluids
Unsuitable: Aqueous or corrosive chemical environments
Sizing Data Required
  • Required clamping force (kN)
  • Injection speed (mm/s)
  • System operating pressure (bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Cavitation
Cause: Low fluid pressure at pump inlet causing vapor bubble formation and implosion, damaging pump components and reducing efficiency.
Internal leakage
Cause: Worn seals, valve spools, or cylinder components due to contamination, aging, or improper assembly, leading to pressure loss and reduced performance.
Maintenance Indicators
  • Unusual whining or knocking noises from pump or valves
  • Visible fluid leaks, especially around seals, fittings, or cylinder rods
Engineering Tips
  • Implement strict contamination control: use high-quality filters, maintain proper fluid cleanliness levels (e.g., ISO 4406 codes), and ensure clean handling during fluid changes.
  • Monitor and maintain optimal operating temperatures and pressures to prevent thermal degradation of fluid and components, and avoid cavitation conditions.

Compliance & Manufacturing Standards

Reference Standards
ISO 4413: Hydraulic fluid power - General rules and safety requirements for systems and their components ANSI/(NFPA) T3.9.70: Hydraulic Fluid Power - Cylinders - Method for Determining the Burst Pressure Rating DIN 24342: Hydraulic fluid power - Flanges and flange connections - Dimensions
Manufacturing Precision
  • Cylinder bore diameter: +/-0.02mm
  • Surface flatness of mounting faces: 0.1mm per 100mm
Quality Inspection
  • Pressure testing for leaks and structural integrity (e.g., hydrostatic test)
  • Dimensional verification using coordinate measuring machine (CMM)

Factories Producing Hydraulic Power System

Manufacturer profiles with relevant production capability in China

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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 maintenance is required for this hydraulic power system?

Regular hydraulic oil changes, seal inspections (NBR/FKM), and pressure relief valve calibration are recommended every 500 operating hours to ensure optimal performance in LED lens molding applications.

How does this system improve precision in LED lens molding?

The system provides consistent, controlled fluid pressure through directional control valves and hydraulic cylinders, ensuring repeatable clamping force and injection timing critical for producing uniform LED lenses with tight tolerances.

What materials make this hydraulic system durable for industrial use?

Constructed with carbon steel and alloy steel components, along with NBR/FKM seals resistant to hydraulic oil degradation, ensuring longevity in continuous machinery and equipment manufacturing environments.

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 for Machinery and Equipment Manufacturing.

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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