Editorial Technical Reference

Precision LED Lens Molding Machine

This page explains how Precision LED Lens Molding Machine is classified within Manufacture of Lighting Equipment. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Industrial injection molding machine for producing precision optical lenses for LED lighting

View Full Specifications Explore Manufacturing Sources
Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Precision LED Lens Molding Machine

Definition
The Precision LED Lens Molding Machine is a specialized injection molding machine engineered for manufacturing high-precision optical lenses used in LED lighting fixtures. This equipment produces lenses with exact optical properties for beam shaping, light distribution, and glare reduction, ensuring optimal performance in commercial, industrial, and automotive lighting applications. The machine features precision temperature control and pressure regulation to maintain consistent optical clarity and dimensional accuracy across production runs. Constructed with stainless steel, hardened tool steel, and ceramic heating elements, it is built for durability and reliability in demanding manufacturing environments. Key technical parameters include a clamping force of 1200–3500 kN, injection pressure of 180–250 MPa, and mold temperature control accuracy of ±1°C. The injection cycle time ranges from 20 to 45 seconds, with a maximum mold size of 500×500 mm. The screw diameter varies from 35 to 60 mm, and injection volume ranges from 100 to 400 cm³, with an injection rate of 80–150 cm³/s. Screw speed is adjustable from 0 to 300 rpm, and heating power is 12–25 kW. Total power consumption is 30–60 kW, and the machine weighs 8–15 tons. Dimensions range from 5.5×1.5×2.2 m to 7.0×1.8×2.5 m (L×W×H). Operating temperature should be between 5–45°C, with humidity from 30–85% RH. The machine offers ingress protection rated IP54–IP65. Standards referenced include ISO 20482 for clamping force, ISO 2897-2 for injection pressure, ISO 11413 for screw diameter, and IEC 60068-2-1, IEC 60068-2-78, and IEC 60529 for environmental and protection ratings. These standards serve as procurement references; actual compliance must be verified with the manufacturer. This machine is essential for producing secondary optics that enhance LED lighting performance, offering precise control over lens geometry and optical quality. It is suitable for manufacturers seeking to produce high-quality LED lenses with consistent output. Always verify model-specific values and standards with the legal manufacturer or supplier before purchase.
Working Principle
The machine operates by heating plastic pellets to a molten state, then injecting the material into a precision mold cavity under controlled pressure. The mold is held closed by a clamping force of 1200–3500 kN to prevent flash. After injection, the material cools and solidifies into the lens shape, with mold temperature controlled to ±1°C for optical clarity. Finally, the finished lens is ejected. The process parameters, such as injection pressure (180–250 MPa) and cycle time (20–45 seconds), are precisely regulated to ensure consistent quality.
Common Materials
Stainless Steel, Hardened Tool Steel, Ceramic Heating Elements
Technical Parameters
ParameterTypical rangeNotes & selection driver
Clamping ForceRequired1200–3500 kNMaximum force applied to keep mold closed during injectionISO 20482
Injection PressureRequired180–250 MPaMaximum pressure during plastic injection phaseISO 2897-2
Mold Temperature Control AccuracyRequired±1 °CPrecision of mold temperature regulation
Cycle TimeRequired20–45 secondsTime required for complete injection cycle
Maximum Mold SizeRequired500×500 mmLargest mold dimensions the machine can accommodate
Screw Diameter35–60 mmAffects plasticizing capacity and melt quality.ISO 11413
Injection Volume100–400 cm³Determines maximum lens weight per shot.
Injection Rate80–150 cm³/sHigh rate reduces fill time for thin lenses.
Screw Speed0–300 rpmControls melt temperature and shear.
Heating Power12–25 kWSufficient for high-melting-point optical resins.
Power Consumption30–60 kWIncludes hydraulics, heating, and control systems.
Machine Weight8–15 tAffects installation and floor loading.
Dimensions (L×W×H)5.5×1.5×2.2–7.0×1.8×2.5 mSpace requirement for production line layout.
Operating Temperature5–45 °COutside range may affect hydraulic oil viscosity.IEC 60068-2-1
Humidity Range30–85 %RHHigh humidity can cause condensation on electronics.IEC 60068-2-78
Ingress ProtectionIP54–IP65Protects against dust and water jets.IEC 60529

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Injection Unit
    Melts and injects plastic material into mold
    Material: Hardened Steel with Ceramic Heaters
  • Clamping Unit
    Opens, closes, and holds mold under pressure
    Material: High-Strength Steel Alloy
  • Precision Temperature Controller
    Maintains exact mold and barrel temperatures
    Material: Stainless Steel with PID Controllers
  • Hydraulic Power System
    Provides pressure for injection and clamping operations
    Material: Steel with Hydraulic Components
  • Precision Mold
    The cavity that gives the lens its optical surface; changed for each lens design.
  • Ejection Mechanism
    Pushes the cooled lens out of the cavity to finish the cycle.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Precision LED Lens Molding Machine.

LED Optical Lens Injection Molder LED Secondary Optics Production Machine Precision Optics Molding Press

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 250 MPa injection pressure
flow rate: 0.5-15 cm³/s (injection rate)
clamp force: 50-500 tons (depending on model)
temperature: 50-300°C (mold temperature control range)
shot capacity: 10-500 g (plasticizing capacity)
slurry concentration: Not applicable (handles solid pellets, not slurries)
Media Compatibility
✓ Optical-grade polycarbonate (PC) ✓ Polymethyl methacrylate (PMMA) ✓ Cyclic olefin copolymer (COC)
Unsuitable: Abrasive-filled materials (e.g., glass-filled resins) due to precision mold wear concerns
Sizing Data Required
  • Required lens dimensions and volume (for shot size calculation)
  • Annual production volume (for cycle time and machine capacity)
  • Optical clarity requirements (for mold temperature control precision)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal degradation of optical surfaces
Cause: Excessive or uneven heating during molding cycles leading to lens surface clouding, micro-cracks, or dimensional inaccuracies due to thermal stress and polymer degradation
Precision alignment drift
Cause: Wear in guide rails, ball screws, or mounting components from high-cycle repetitive motion, causing misalignment between mold halves and resulting in flash, incomplete fills, or optical defects
Maintenance Indicators
  • Visible haze or streaks on molded lenses indicating contamination or thermal issues in the molding chamber
  • Audible knocking or grinding during mold closure/opening cycles suggesting mechanical wear or misalignment
Engineering Tips
  • Implement predictive maintenance using thermal imaging cameras to monitor heater zones and mold surface temperatures, enabling early detection of hot spots or cooling inconsistencies before they affect lens quality
  • Establish a precision laser alignment verification program with monthly checks of mold parallelism and platen squareness, coupled with automated lubrication systems for motion components to minimize wear-induced drift

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
CE Marking - Machinery Directive 2006/42/EC ASTM D638 - Standard Test Method for Tensile Properties of Plastics

Quoted from the published standard.

Manufacturing Precision
  • Lens Surface Roughness: Ra ≤ 0.1μm
  • Mold Cavity Dimensional Accuracy: ±0.005mm
Quality Inspection
  • Optical Transmission Testing (ASTM D1003)
  • Coordinate Measuring Machine (CMM) Dimensional Verification

Manufacturers of Precision LED Lens Molding Machine

Manufacturer profiles associated with Precision LED Lens Molding Machine.

Sourcing Precision LED Lens Molding Machine from China?
Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.
Request manufacturers We manufacture this

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

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What materials can this machine process?

The machine is designed for plastic pellets, typically optical-grade resins used for LED lenses. The specific material compatibility should be confirmed with the manufacturer based on your application.

What is the maximum mold size it can accommodate?

The maximum mold size is 500×500 mm. Ensure your mold dimensions fit within this limit for proper operation.

What are the environmental operating conditions?

The machine operates in temperatures from 5–45°C and humidity from 30–85% RH. It has ingress protection rated IP54–IP65, protecting against dust and water jets.

How do I verify the machine's compliance with standards?

The listed standards (e.g., ISO 20482, ISO 2897-2) are references for procurement. You must request documentation from the manufacturer or supplier to confirm actual compliance for the specific model.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

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.
Buyer enquiry

Request manufacturing insight for Precision LED Lens Molding Machine

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes
Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here
We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman
CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim
A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

Your business information is used only to process this request.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at contact@cnfx.com.

Need to Manufacture Precision LED Lens Molding Machine?

Compare manufacturer profiles with relevant product and process capability.

Create Manufacturer Profile Contact Us
Previous Product
Precision LED Encapsulation Machine
Last Product
Get QuotesChat