S M OpticalsSpectacle Frame Manufacturer · India Sales Desk+91-8047836571
S M OpticalsSpectacle Frame Manufacturer · India Explore our export-ready optical selections engineered to meet ISO 12870 mechanical strength, nickel-release, and precision tolerance standards.
A technical evaluation framework designed for enterprise eyewear procurement specialists, optical lab directors, and brand developers.
| Material Classification | Yield Strength (MPa) | Elastic Modulus (GPa) | Corrosion Resistance | Optician Adjustability | Strategic Market Application |
|---|---|---|---|---|---|
| Pure Titanium (Grade 1 & 2) | 240 – 345 | 103 – 107 | Immune to human sweat & oceanic brine | Requires precise localized heat profiling | High-end rimless bridges, luxury minimalist business styles |
| Beta-Titanium (β-Ti 15-3-3-3) | 880 – 1020 | 75 – 85 | Exceptional resistance to chemical oxidation | High spring memory, retains alignment | Flexible pressure-free temples, screwless hinges, sports optical |
| Memory Titanium (NiTi Shape Memory) | 600 – 800 | 40 – 60 | Superb biocompatible inert passivity | Non-adjustable; returns to native blueprint | Active lifestyle, kid-proof optical frames, high-flex bridges |
| High-Tensile Stainless Steel (316L) | 290 – 310 | 190 – 205 | High (passivated chrome layer) | Standard bench cold-alignment tools | Cost-effective thin sheet rims, urban unisex daily eyewear |
Analyzing supply chain optimization, automated micromachining, surface engineering, and the integration of hybrid structural composites.
Traditional liquid electroplating is being phased out across high-tier optical manufacturing. Modern procurement mandates Physical Vapor Deposition (PVD) in vacuum chambers, utilizing titanium nitride (TiN) and chromium nitride coatings. This produces an inert surface film exceeding 2.5 microns, ensuring 0% nickel leaching, exceptional resistance to cosmetics and seawater, and lasting wear resistance over years of daily usage.
Selective Laser Melting (SLM) using pure spherical titanium powder enables internal structural channels, organic lattice geometry, and custom bridge ergonomics previously unattainable with conventional CNC wire cutting. Sourcing teams are leveraging 3D printing to cut prototyping cycles from 60 days to 72 hours, reducing high upfront mold costs and eliminating material waste.
The global retail market is migrating away from miniature hinge screws that strip or loosen over time. Advanced Chinese precision factories specialize in mechanically folded and press-fitted β-titanium hinges. These systems utilize calibrated spring dynamics and integrated friction sleeves, eliminating screw maintenance and significantly lowering retail warranty claim rates.
Bridging traditional fashion aesthetics with lightweight ergonomics, hybrid combinations mount high-definition cellulose acetate rings inside cold-rolled pure titanium grooved rims. This construction maintains frame rigidity down to 1.8mm profiles, accommodating high diopter prescription lenses while maintaining a total frame weight under 12 grams.
Driven by strict European and North American carbon-neutral procurement protocols, leading Chinese exporters are adopting aerospace-certified recycled titanium ingot melting (VAR processes). This reduces the environmental impact of raw rutile ore extraction by up to 68% while strictly maintaining medical-grade purity and structural integrity.
With an aging demographic across key global markets, titanium frames are being engineered with precise pantoscopic tilts (8–10 degrees) and standardized B-measurements (minimum 36mm). This optimization maximizes vertical corridors for digital free-form progressive and multifocal glazing without cutting into reading zones.
Combining state-of-the-art CNC micro-machining with strict optical laboratory testing parameters.
Titanium instantly oxidizes and embrittles when welded in standard ambient atmosphere. Our workshop uses robotic laser micro-welding inside sealed chambers filled with 99.999% ultra-pure argon gas. This process prevents interstitial nitrogen and oxygen absorption, eliminating structural brittleness at bridge and end-piece joints and ensuring dependable load-bearing durability.
Every production batch undergoes automated mechanical fatigue testing under strict lab observation. Hinges are cycled open and closed through a 120-degree sweep for 25,000 continuous movements without lubricant application. The batch passes only if joint friction remains stable with zero lateral play, material cracking, or mechanical degradation.
Frames are placed in artificial perspiration chambers at 45°C with controlled saline acidity (pH 4.7) for a continuous 48-hour testing cycle. This matches five years of humid daily wear, confirming our PVD titanium finishes resist bubbling, flaking, pitting, or surface discoloration.
Our computerized 5-axis CNC machines cut lens eye-wire grooves to tight tolerances within ±0.03mm. This precise machining ensures clean lens seating without frame warping, enabling optical labs to edge and insert polycarbonate, high-index 1.67/1.74, and mineral glass lenses efficiently.
We provide flexible OEM/ODM private labeling solutions for chain brands and independent distributor networks. Our services cover laser logo engraving, high-resolution color pad printing, bespoke temple sleeve moulding, and tailor-made micro-fiber presentation packaging with rapid 7-day prototype sample turnarounds.
All finished optical collections are manufactured and certified in compliance with international health and safety mandates, including CE mark directives, US FDA Device Registration (21 CFR 801.410 drop-ball testing), and REACH Regulation (EC) No 1907/2006 for nickel release limits.
Need custom titanium frame CAD blueprints, material spectrometry test sheets, or volume wholesale quotations? Submit your technical requirements directly to our factory team.
Send an InquiryAddressing core material validations, production timelines, international shipping, and OEM options.
We provide lot-traceable Raw Material Mill Test Certificates along with third-party X-ray Fluorescence (XRF) spectrometry reports for every export batch. These certifications confirm a titanium content of 99.2% to 99.6%, while verifying the total absence of lead, cadmium, and unrestricted nickel alloys.
For custom OEM design tooling and custom color runs, our standard minimum is 300 pieces per model (divided across 3 distinct colorways). For our in-stock, unbranded catalog styles, wholesale buyers can place orders starting at just 50 pieces per model for swift fulfillment.
Yes. Our titanium rim profiles are cold-rolled with reinforced eyewire cross-sections ranging from 1.6mm to 2.2mm. This robust profile holds high-diopter cylindrical and spherical prescriptions (from -8.00D to +6.00D) securely without lens edge pop-out or rim warping.
Ion-plated Satin Black (TiC), Light Gold (TiN), Brushed Gunmetal, and Rose Gold applied via vacuum magnetron sputtering offer superior scratch and sweat resistance. They deliver pencil hardness scores exceeding 4H to 6H, preventing common cosmetic wear caused by sweat and handling.
Ready-to-ship catalog inventory is packed and handed to international air couriers (FedEx, DHL, UPS) within 72 hours. Custom OEM batch manufacturing typically requires 45 to 60 days, covering raw material cutting, argon-chamber welding, hand polishing, PVD finishing, assembly, and QA checks.
We supply interchangeable medical-grade silicone nose pads on pure titanium pad arms, paired with adjustable β-titanium temple cores. This layout allows optical dispensers to adjust temple rake, spread angles, and nose pad heights cleanly using standard bench pliers without damaging the finish.
Yes. We offer comprehensive OEM branding options including precision laser temple engraving, pad-printed demo lenses, custom microfiber cleaning cloths, hard-shell optical cases, and barcoded retail boxes designed to support direct-to-consumer and boutique retail distribution.
