Precision-engineered men's semi-rimless optical frames designed for reliable prescription lens fitting and professional everyday wear. Combining a structured upper brow bar with an open lower lens rim secured by high-tensile optical nylon retention cord, these frames deliver a lightweight visual profile suited to classic and contemporary optical lines.
As an integrated manufacturing and export enterprise, we support full OEM/ODM project development-including customized frame dimensions, laser-engraved branding, custom ion plating colorways, and retail-ready packaging solutions. Request a technical datasheet, catalog, or production samples for your distribution channel.
Structural Engineering & Component Specifications
|
Component |
Design & Material Configurations |
Manufacturing & Quality Control Focus |
|
Upper Brow Bar |
Stainless steel, titanium, or high-density acetate |
CNC precision milling and stamping; uniform groove depth to secure upper lens bevel. |
|
Lower Retention Cord |
High-tensile optical-grade nylon monofilament |
Calibrated tensioning to hold lens edge securely without inducing micro-stress fractures. |
|
Hinges & Temples |
Barrel hinges, spring flex hinges, or rigid optical joints |
Fatigue-tested open/close movement; secure alignment without lateral wobble. |
|
Bridge & Nose Pads |
Adjustable metal pad arms with silicone pads or integrated saddle bridges |
Secure laser welding at joint junctions; hypoallergenic, anti-slip contact points. |
Sizing Standards & Prescription Lens Compatibility
Standard Size Format: Conventional configurations follow universal optical sizing . Custom tooling adjustments are available for regional demographic requirements.
Lens Edging Requirements: Half-rim structures require a precise V-groove or flat-edge profile with a matching slot to securely lock the nylon retention cord.
Prescription Range: Fully compatible with single-vision, progressive, and anti-fatigue lenses. High-index lens materials (1.60, 1.67, 1.74) are recommended to minimize edge thickness along the open lower boundary.
Supply State: Frames can be delivered empty with demonstration lenses or pre-assembled according to specific project agreements.
OEM/ODM & Private-Label Customization Capabilities
Laser Branding & Logo: Precise laser engraving, acid etching, or metal badge inlay on temples, temple tips, or bridge back-walls.
Surface Finishes & Plating: IP (Ion Plating) vacuum coating ensuring durable matte, glossy, brushed, or dual-tone metallic color preservation.
Custom Packaging Suites: Branded hard protective cases, microfiber cleaning cloths, drawstring pouches, and customized outer retail presentation boxes.
Quality Control & Batch Inspection Standards
To eliminate bulk delivery risks, production lines adhere to strict pre-shipment inspection protocols aligned with international optical quality benchmarks:
Dimensional Verification: Caliper measurement checks for bridge width, lens aperture, and overall front frame width against approved engineering blue-prints.
Mechanical Durability: Cycle testing on spring hinges and pull-force verification on lower nylon cord retention strength.
Surface Defect Screening: 100% visual inspection under magnification for plating bubbles, micro-scratches, or solder joint irregularities.
Golden Sample Locking: Once a pre-production sample (PPS) receives formal sign-off, bulk production runs are locked strictly to the approved reference standard.
Protective Packaging & Bulk Logistics Security
International freight requires robust transit protection. To ensure frames arrive at your distribution hub undamaged, export packaging follows structured safety protocols:
Individual Polybagging & Protection: Each optical frame is wrapped and sealed in an individual protective sleeve to prevent friction or scratching during transit.
Reinforced Inner Boxes: Frames are arranged securely within compartmented inner boxes to absorb external shocks and prevent frame front deformation.
Export-Grade Outer Cartons: Multi-layer corrugated master cartons are utilized, complete with waterproof strapping and clear shipping labels for smooth customs clearance and warehouse intake.
FAQ
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