Structured Manufacturing Data (2026)

Precision Optical Lens Polishing Machine

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Precision Optical Lens Polishing Machine used in the Manufacture of Optical Instruments and Photographic Equipment sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Precision Optical Lens Polishing Machine is characterized by the integration of Polishing Spindle Assembly and Lens Holding Fixture. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel 304 construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Industrial machine for achieving nanometer-level surface finish on optical lenses through automated polishing processes.

Product Specifications

Technical details and manufacturing context for Precision Optical Lens Polishing Machine

Definition
The Precision Optical Lens Polishing Machine is a specialized industrial equipment designed for the final surface finishing stage in optical lens manufacturing. It employs advanced polishing techniques to achieve ultra-smooth surfaces with nanometer-scale roughness, critical for minimizing light scattering and maximizing optical performance. This machine serves as essential capital equipment in the optical instrument supply chain, enabling manufacturers to produce high-quality lenses for cameras, microscopes, telescopes, and medical imaging devices. Its automated operation ensures consistent results while reducing manual labor requirements in precision optics production facilities.
Working Principle
Utilizes rotating polishing pads with precisely controlled abrasive slurries to gradually remove microscopic material from lens surfaces through mechanical abrasion, achieving specified surface roughness and flatness through programmable pressure, speed, and motion patterns.
Common Materials
Stainless Steel 304, Aluminum Alloy 6061, Polyurethane Polishing Pads, Ceramic Abrasive Slurries
Technical Parameters
  • Final surface roughness achieved after polishing (nm) Standard Spec
  • Maximum deviation from perfect flatness in wavelength units (λ) Standard Spec
Components / BOM

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Precision Optical Lens Polishing Machine.

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0.1-0.5 MPa (polishing head pressure)
flow rate: 5-20 L/min (coolant/slurry circulation)
temperature: 15-30°C (operating environment)
slurry concentration: 5-15% by weight (abrasive content)
Media Compatibility
✓ BK7 optical glass ✓ Fused silica ✓ Zerodur ceramic glass
Unsuitable: High-vibration environments (e.g., near heavy stamping presses)
Sizing Data Required
  • Lens diameter range (mm)
  • Required surface roughness (Ra in nm)
  • Production throughput (lenses/hour)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Surface contamination and scratches
Cause: Improper slurry filtration leading to abrasive particle contamination, or worn polishing pads introducing micro-scratches during the polishing process.
Spindle bearing degradation
Cause: Continuous high-speed operation under load causing lubrication breakdown, thermal expansion, or particulate ingress leading to increased vibration and eventual bearing failure.
Maintenance Indicators
  • Audible high-frequency whine or grinding noise from spindle assembly during operation
  • Visual haze or inconsistent surface finish on polished lenses despite normal process parameters
Engineering Tips
  • Implement real-time slurry filtration and monitoring system with particle counters to maintain optimal abrasive particle size distribution and prevent contamination.
  • Establish predictive maintenance program using vibration analysis and thermal imaging on spindle bearings, with scheduled lubrication replenishment using manufacturer-specified high-temperature grease.

Compliance & Manufacturing Standards

Reference Standards
ISO 10110-5:2015 (Surface form tolerances) ANSI/OEOSC OP1.002-2009 (Optical component specifications) DIN 3140-7:2016 (Precision engineering tolerances)
Manufacturing Precision
  • Surface roughness: Ra ≤ 0.01 μm
  • Centering error: ≤ 0.005 mm
Quality Inspection
  • Interferometric surface testing
  • Coordinate measuring machine (CMM) verification

Factories Producing Precision Optical Lens Polishing Machine

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.

Frequently Asked Questions

What surface roughness can this optical lens polishing machine achieve?

This machine achieves nanometer-level surface finishes, specifically in the Ra (roughness average) range suitable for high-precision optical applications, typically below 10nm Ra for premium optical components.

What materials are compatible with this polishing machine?

The machine is designed for optical glass, crystals, and similar materials used in lens manufacturing. It uses ceramic abrasive slurries and polyurethane pads that are compatible with these materials without causing contamination.

How does the pressure control mechanism improve polishing results?

The precision pressure control system maintains consistent polishing force across the lens surface, ensuring uniform material removal and preventing edge rounding or center defects, which is critical for achieving optical-grade surface quality.

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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