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YIXUN mold
8480419090
Fixed Dimensional Precision: Optimized for 85mm outer diameter (tolerance ±0.1mm) with consistent wall thickness (1.5–2.0mm, ±0.05mm) – critical for uniform light diffusion and structural stability.
Optical-Grade PC Compatibility: Tailored for medical/lighting-grade PC (e.g., Lexan™, Makrolon®) with high light transmittance (≥88%) and impact resistance, ensuring diffusers withstand handling and environmental stress.
Diffusion Performance Focus: Molded-in micro-texture or frosted finish (customizable) to eliminate hotspots, distribute light evenly (diffusion angle ≥120°), and maintain color consistency.
Durable Construction: Premium tool steels (S136, H13) with mirror-polished optical cavities (Ra ≤ 0.005μm) and PVD coating, enabling mold life of 1–3 million cycles.
Optical Simulation: 3D CAD (SolidWorks) + CAE (Moldflow) + optical analysis software to optimize cavity geometry, ensuring uniform material flow and avoiding optical defects (e.g., flow marks, sink marks).
Micro-Texture Integration: Laser-engraved micro-texture patterns (dot, sandblasted, or custom) on mold cavities – replicated onto PC diffusers to achieve desired light diffusion without post-processing.
Cooling System Optimization: Circumferential cooling channels (0.8–1.0mm diameter) with equal spacing around the 85mm cavity, maintaining mold temperature uniformity (±2℃) to prevent PC warpage.
Hot-Runner System: Valve-gated hot runners with precise temperature control (±1℃) to avoid PC degradation and ensure smooth, defect-free filling of the 85mm cavity.
Low-Friction Cavities: Mirror-polished surfaces (optical grade) with PVD coating to reduce PC adhesion, eliminate surface scratches, and maintain high light transmittance.
Stress-Relief Design: Gradual cavity transitions and optimized gating positions to minimize internal stress in PC diffusers – preventing yellowing or cracking over time.
Single/Multi-Cavity Options: Single-cavity (prototyping) or 2–4 cavity molds (high-volume production) with cavity-to-cavity accuracy ±0.03mm, ensuring consistent 85mm diameter across all diffusers.
Seamless Demolding: Soft-ejection systems (spring-loaded ejector pins) with non-marring tips to prevent surface damage – critical for preserving optical quality of PC diffusers.
Compatibility with Lighting Assemblies: Molded-in mounting tabs, thread grooves, or snap-fit features (customizable) to enable direct assembly with LED bulbs, fixtures, or sockets.
Customization Flexibility: Adjustable wall thickness, diffusion texture, and 85mm diameter variants (e.g., 85mm×120mm length, hemispherical/oval shapes) to match specific lighting designs.
Light Transmittance: Molded PC diffusers maintain ≥88% light transmittance (ASTM D1003 standard) with no visible defects (bubbles,or haze).
Uniform Diffusion: Diffusion angle ≥120° with no hotspots, validated via optical testing equipment (spectrophotometer, goniophotometer).
Color Consistency: ΔE ≤ 1.0 (CIE Lab) across production batches, ensuring lighting products meet brand color standards.
Certifications: ISO 9001:2015 certified, with compliance to RoHS and REACH standards for PC materials (critical for global lighting markets).
Precision Machining: 5-axis CNC milling, wire EDM, and optical grinding for 85mm cavity accuracy; CMM (Zeiss) inspection to verify dimensional tolerances and texture uniformity.
Trial Run Validation: Mandatory mold testing with optical-grade PC to validate diffuser diameter, wall thickness, optical performance, and production cycle time (typically 25–40 seconds/cavity).
Traceability: Full documentation of mold materials, machining parameters, and optical test results – supporting regulatory compliance for lighting safety standards (UL, CE, CCC).
LED Bulbs: A19, E27, and PAR-style LED bulbs for residential/commercial lighting.
Downlights & Recessed Fixtures: Diffusers for ceiling lights, track lights, and office lighting.
Industrial Lighting: High-bay lights, warehouse fixtures, and outdoor floodlights (PC’s impact resistance ideal for harsh environments).
Medical Lighting: Examination room lights, surgical lamps (using biocompatible PC variants).
Decorative Lighting: Chandeliers, pendant lights, and custom designer lighting with tailored diffusion textures.
Optical-Grade Expertise: Specialized focus on lighting mold design – we understand the unique balance of diffusion, transmittance, and dimensional accuracy required for PC diffusers.
Fixed 85mm Precision: Mold engineered to strict 85mm diameter tolerances, eliminating fitment issues with LED bulbs and fixtures.
PC Material Mastery: Decades of experience molding optical-grade PC, ensuring minimal defects and maximum production efficiency.
Cost-Effective Production: Multi-cavity designs and optimized cycle times reduce unit costs for high-volume 85mm diffuser production.
Collaborative Support: Dedicated engineering team works with your design team to optimize diffuser geometry, texture, and assembly features – from prototyping to mass production.

Fixed Dimensional Precision: Optimized for 85mm outer diameter (tolerance ±0.1mm) with consistent wall thickness (1.5–2.0mm, ±0.05mm) – critical for uniform light diffusion and structural stability.
Optical-Grade PC Compatibility: Tailored for medical/lighting-grade PC (e.g., Lexan™, Makrolon®) with high light transmittance (≥88%) and impact resistance, ensuring diffusers withstand handling and environmental stress.
Diffusion Performance Focus: Molded-in micro-texture or frosted finish (customizable) to eliminate hotspots, distribute light evenly (diffusion angle ≥120°), and maintain color consistency.
Durable Construction: Premium tool steels (S136, H13) with mirror-polished optical cavities (Ra ≤ 0.005μm) and PVD coating, enabling mold life of 1–3 million cycles.
Optical Simulation: 3D CAD (SolidWorks) + CAE (Moldflow) + optical analysis software to optimize cavity geometry, ensuring uniform material flow and avoiding optical defects (e.g., flow marks, sink marks).
Micro-Texture Integration: Laser-engraved micro-texture patterns (dot, sandblasted, or custom) on mold cavities – replicated onto PC diffusers to achieve desired light diffusion without post-processing.
Cooling System Optimization: Circumferential cooling channels (0.8–1.0mm diameter) with equal spacing around the 85mm cavity, maintaining mold temperature uniformity (±2℃) to prevent PC warpage.
Hot-Runner System: Valve-gated hot runners with precise temperature control (±1℃) to avoid PC degradation and ensure smooth, defect-free filling of the 85mm cavity.
Low-Friction Cavities: Mirror-polished surfaces (optical grade) with PVD coating to reduce PC adhesion, eliminate surface scratches, and maintain high light transmittance.
Stress-Relief Design: Gradual cavity transitions and optimized gating positions to minimize internal stress in PC diffusers – preventing yellowing or cracking over time.
Single/Multi-Cavity Options: Single-cavity (prototyping) or 2–4 cavity molds (high-volume production) with cavity-to-cavity accuracy ±0.03mm, ensuring consistent 85mm diameter across all diffusers.
Seamless Demolding: Soft-ejection systems (spring-loaded ejector pins) with non-marring tips to prevent surface damage – critical for preserving optical quality of PC diffusers.
Compatibility with Lighting Assemblies: Molded-in mounting tabs, thread grooves, or snap-fit features (customizable) to enable direct assembly with LED bulbs, fixtures, or sockets.
Customization Flexibility: Adjustable wall thickness, diffusion texture, and 85mm diameter variants (e.g., 85mm×120mm length, hemispherical/oval shapes) to match specific lighting designs.
Light Transmittance: Molded PC diffusers maintain ≥88% light transmittance (ASTM D1003 standard) with no visible defects (bubbles,or haze).
Uniform Diffusion: Diffusion angle ≥120° with no hotspots, validated via optical testing equipment (spectrophotometer, goniophotometer).
Color Consistency: ΔE ≤ 1.0 (CIE Lab) across production batches, ensuring lighting products meet brand color standards.
Certifications: ISO 9001:2015 certified, with compliance to RoHS and REACH standards for PC materials (critical for global lighting markets).
Precision Machining: 5-axis CNC milling, wire EDM, and optical grinding for 85mm cavity accuracy; CMM (Zeiss) inspection to verify dimensional tolerances and texture uniformity.
Trial Run Validation: Mandatory mold testing with optical-grade PC to validate diffuser diameter, wall thickness, optical performance, and production cycle time (typically 25–40 seconds/cavity).
Traceability: Full documentation of mold materials, machining parameters, and optical test results – supporting regulatory compliance for lighting safety standards (UL, CE, CCC).
LED Bulbs: A19, E27, and PAR-style LED bulbs for residential/commercial lighting.
Downlights & Recessed Fixtures: Diffusers for ceiling lights, track lights, and office lighting.
Industrial Lighting: High-bay lights, warehouse fixtures, and outdoor floodlights (PC’s impact resistance ideal for harsh environments).
Medical Lighting: Examination room lights, surgical lamps (using biocompatible PC variants).
Decorative Lighting: Chandeliers, pendant lights, and custom designer lighting with tailored diffusion textures.
Optical-Grade Expertise: Specialized focus on lighting mold design – we understand the unique balance of diffusion, transmittance, and dimensional accuracy required for PC diffusers.
Fixed 85mm Precision: Mold engineered to strict 85mm diameter tolerances, eliminating fitment issues with LED bulbs and fixtures.
PC Material Mastery: Decades of experience molding optical-grade PC, ensuring minimal defects and maximum production efficiency.
Cost-Effective Production: Multi-cavity designs and optimized cycle times reduce unit costs for high-volume 85mm diffuser production.
Collaborative Support: Dedicated engineering team works with your design team to optimize diffuser geometry, texture, and assembly features – from prototyping to mass production.
