Explore our flagship industrial laser systems configured for fine goldsmithing, tool-room mold renovation, and multi-axis automated batch processing.
Bridging traditional goldsmithing craftsmanship with sub-millimeter photonic thermal concentration to achieve zero-porosity joints and crystal integrity.
Traditional torch soldering induces broad Heat-Affected Zones (HAZ), annealing adjacent master-alloy matrices and risking fragile thermal shock fractures in heat-sensitive gemstones such as emeralds, pearls, and tanzanites. Micro-pulse laser soldering concentrates high peak fluence within localized intervals of 0.2 to 20 milliseconds, confining heat to an area under 0.15mm.
Pure silver (Ag 999), 18K/24K yellow gold (Au), and platinum (Pt) reflect upwards of 95% of standard 1064nm infrared laser radiation at room temperature. Shenzhen Youmir’s proprietary beam profile conditioners and dynamic wave-shaping algorithms pre-heat the micro-surface during the first nanoseconds of pulse delivery to overcome reflectivity thresholds smoothly.
Our integrated coaxial and side-blown laminar argon shielding architectures eliminate ambient oxidation during joining. By preventing oxygen and nitrogen entrapment, Youmir laser systems produce homogeneous molten weld pools that match the parent precious metal karat grade without the need for low-karat solder seams, acid pickling, or borax fluxes.
From high-volume hollow chain production lines in Arezzo and Bangkok to bespoke high-jewelry ateliers on Place Vendôme.
Continuous jewelry rope, bismark, and curb chain manufacturing requires microscopic join repetition without weld skips or excessive molten build-up. Youmir's Galvanometer and CNC 3-axis automated systems synchronize sub-millisecond optical pulses with high-speed mechanical wire feedstocks, yielding sustained processing speeds exceeding 1,500 links per minute with 99.98% seam consistency.
Lost-wax precious metal casting frequently yields subsurface micro-voids, dendritic shrinkage pores, and pinhole surface fissures. Youmir’s benchtop and vertical jewelry laser welders utilize variable beam spot diameter (0.1mm - 3.0mm) to feed matching alloy wire directly into defects, eliminating the need to scrap and recast finished mountings.
High-end horological manufacturing demands hermetic micro-assembly on Grade 5 titanium, AISI 316L/904L stainless steel cases, and 18K solid gold bezels. Youmir's high-stability continuous and QCW fiber architectures provide clean, narrow micro-welds that protect delicate movement gears, silicone gaskets, and sapphire crystal assemblies from heat damage.
Shenzhen Youmir Laser Technology Co., Ltd. operates a vertically integrated production ecosystem across its Shenzhen HQ, Zhongshan branch, and Hunan manufacturing facility.
Unlike assemblers reliant on third-party integration, Youmir designs, polishes, and coats high-durability collimating, focus, and protective optics in-house. This ensures stable power density thresholds exceeding 100 J/cm² without focal drift or thermal lensing.
We program our own real-time Digital Signal Processors (DSP) and touchscreen operating systems. Factory clients can customize pulse wave modulations (square, ramp, saddle curves) and integrate proprietary factory MES protocols via RS-485 or Ethernet.
Our machine frames, cantilever structures, swing booms, and optical cavity mountings are precision milled via 5-axis CNC machining centers in our own plant, eliminating mechanical play and ensuring lifetime optical alignment across transit and heavy shop use.
Every laser system leaves our Shenzhen production line only after completing a rigorous 72-hour continuous thermal cycling burn-in, full-power beam output calorimeter profiling, and physical metallurgical sample verification test.
A reference guide to help production managers specify the optimal laser source for fine precious metal fabrication.
| Evaluation Parameter | Pulsed Nd:YAG (Flashlamp) | Quasi-Continuous Wave (QCW Fiber) | Continuous Wave (CW Fiber Wobble) |
|---|---|---|---|
| Primary Application Spectrum | Precision benchtop goldsmithing, stone setting, repair | Automated chain welding, casting repair, micro-molds | Heavy sheet fabrication, structural frames, thick wire |
| Laser Wavelength | 1064 nm | 1070 ± 10 nm | 1080 ± 10 nm |
| Peak Pulse Power Capability | Up to 6.0 kW - 8.0 kW peak | Up to 1.5 kW - 3.0 kW peak | Equal to nominal rated continuous power |
| Minimum Spot Diameter | 0.10 mm (Micro-focus optical train) | 0.08 mm (Ultra-fine beam quality M² < 1.3) | 0.20 mm - 0.50 mm (Wobble head dependent) |
| Electrical Wall-Plug Efficiency | 3% - 5% (Requires integrated water chiller) | 28% - 35% (Air-cooled or compact chiller) | 30% - 38% (High electrical efficiency) |
| Consumable & Maintenance Cycle | Flashlamp replacement at 5M-8M pulses | Solid-state diode: > 100,000 hrs MTBF | Solid-state diode: > 100,000 hrs MTBF |
| Precious Metal Absorption (Au/Ag/Pt) | High peak pulse overcomes initial reflectivity | Excellent balance of peak absorption and low heat | Requires beam wobble to avoid runaway melt pool |
Streamlined export pathways and regulatory compliance for distributors, OEM brand owners, and multinational jewelry groups.
Youmir laser machinery is engineered to meet CE Machinery Directive 2006/42/EC, Low Voltage Directive 2014/35/EU, and international laser radiation safety standards (EN 60825-1: Class 4 laser safety enclosures with Class 1 user-interlocked viewing windows). Certified eye-protection shutter mechanisms protect operators against 1064nm scatter.
Export configurations support single-phase 110V/220V (50/60Hz) for workshop benchtop systems, or three-phase 380V/480V for continuous automated lines. Our dual gas management system supports both Argon (Ar) and Nitrogen (N2) with micro-metered pressure regulators, reducing inert gas consumption down to 3-5 L/min.
All machines are packed in vacuum-sealed moisture barrier foil, desiccated, and secured in fumigated solid timber export crates compliant with ISPM-15. Shipments include comprehensive spare parts packages (replacement protective cover lenses, flashlamp assemblies, specialized copper nozzles, alignment targets, and alignment tools).
Anticipating the demands of smart micro-manufacturing with blue-laser hybrid architectures and AI-driven machine vision.
Precious metals exhibit dramatically higher absorption rates at 450nm (up to 65% for pure gold and copper) compared to standard 1064nm infrared light. Youmir’s photonic lab is engineering a dual-wavelength optical path that utilizes a low-power 450nm blue diode to create the initial molten conduction zone, paired with a 1064nm fiber beam for efficient deep-penetration joining.
Integrating 4K high-magnification telecentric stereo vision with neural network processing enables automated recognition of irregular jewelry seam paths, bezel geometries, and stone boundaries. The system dynamically compensates for hand tremors or fixturing tolerances in real time, preventing accidental laser contact with mounted gemstones.
Equipping production units with secure MQTT cloud communication allows factory managers to monitor pulse counts, laser power decay, shielding gas flow, and operator runtimes across global facilities. Our Shenzhen engineering hub provides predictive maintenance alerts prior to component degradation, ensuring near-zero unplanned downtime.
Detailed technical responses straight from Shenzhen Youmir’s application and service engineers.
Explore our compact benchtop welders, multi-axis mold repair setups, and pulse cleaning systems engineered in Shenzhen.
