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Procese și tehnici de fabricație OEM de bijuterii argintii sterlină la Jingying

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Procese și tehnici de fabricație OEM de bijuterii argintii sterlină la Jingying

Introducere

Argint veritabil (925 argint) is one of the most popular materials in fine jewelry due to its durabilitate, affordability, and timeless appeal. As a leading Oem (Producator de echipamente originale) jewelry producer, Jingying specializes in crafting high-quality sterling silver jewelry for global brands, Comercianți cu amănuntul, and designers.

This in-depth guide explores the entire manufacturing process of sterling silver jewelry at JINGYING, covering:
✔ Material selection & quality control
✔ Advanced production techniques
✔ Finisare & quality assurance
✔ Custom OEM services

Până la sfârșit, you’ll understand why JINGYING is a trusted partner for sterling silver jewelry manufacturing.

1. Înțelegerea argintului sterlin (925 Argint)

1.1. Compoziţie & Properties

  • 92.5% Argint pur + 7.5% cupru (pentru putere).

  • Hipoalergenic (sigur pentru pielea sensibilă).

  • Naturally tarnishes (develops patina over time).

  • Softer than gold or platinum (requires proper craftsmanship).

1.2. Why Choose JINGYING for OEM Sterling Silver Jewelry?

  • Ethically sourced 925 argint (RJC-certified).

  • Advanced CAD/CAM & casting technology.

  • Custom designs from sketch to finished product.

  • Control strict al calității (ISO 9001 certified).

2. Step-by-Step Manufacturing Process

2.1. Proiecta & 3D Modelarea

  • Client consultation: Discuss design ideas, buget, and MOQ.

  • CAD (Proiectare asistată de computer):

    • Precision digital modeling.

    • Adjustable thickness, prong placement, și gravură.

  • Prototype approval: 3D-printed wax/resin sample for review.

2.2. Material Preparation

  • Silver sourcing: Ethically refined 925 silver grains.

  • Alloy melting: Argint + copper blended at 1760°F (960°C).

  • Casting ingots: Formed into bars for further processing.

2.3. Casting Techniques

O. Vacuum Casting (Most Common)

  • Proces: Molten silver injected into a mold under vacuum.

  • Advantages:

    • High detail accuracy.

    • Minimal porosity.

  • Used for: Inele, pandantive, farmece.

B. Centrifugal Casting

  • Proces: Spins molten silver into mold cavities.

  • Cel mai bun pentru: Mic, intricate pieces (De ex., lanţuri, filigree).

C.. Sand Casting (For Large Pieces)

  • Proces: Silver poured into sand molds.

  • Used for: Cuff bracelets, statement rings.

2.4. Post-Casting Processing

  • Deburring: Removes rough edges.

  • Annealing: Heat treatment to strengthen silver.

  • Asamblare: Soldering components (De ex., bails, clasps).

2.5. Finishing Techniques

O. Lustruire

  • Tumbling: Barrel-polished for smoothness.

  • Lustruire manuală: Buffed with microfiber wheels.

B. Placare (Opțional)

  • Placare cu rodium: Enhances shine & prevents tarnish.

  • Placă de aur: Rose gold, yellow gold, or black rhodium finishes.

C.. Oxidare (Antiquing)

  • Liver of sulfur treatment: Creates vintage blackened effects.

D.. Gravura cu laser

  • Custom text, logos, or patterns.

2.6. Decor de piatră (If Applicable)

  • Prong, lunetă, or pave setting for gemstones.

  • Quality check: Ensures stones are secure.

2.7. Final Quality Control

  • Hallmark stamping (“925”).

  • Testarea XRF (verifies metal purity).

  • Tarnish resistance test.

  • Weight & measurement verification.

3. Advanced Techniques at JINGYING

3.1. Laser Welding for Precision Repairs

  • No solder marks, seamless joins.

3.2. Electroforming for Hollow Designs

  • Lightweight yet durable statement pieces.

3.3. Diamond Cutting for High-Shine Facets

  • Machine-cut edges for brilliance.

4. Asigurarea calității & Certificări

  • ISO 9001: Quality management.

  • SGS/RJC Certification: Ethical sourcing.

  • XRF & Acid Testing: Guarantees 925 puritate.

5. Custom OEM Services at JINGYING

  • Private label packaging.

  • Custom engraving & branding.

  • Low MOQ options (50+ bucăți).

Concluzie

JINGYING’s sterling silver OEM manufacturing combines traditional craftsmanship with cutting-edge technology, asigurarea calitate superioară, durabil, and beautifully designed jewelry for brands worldwide.

Interested in a custom sterling silver collection? Contact JINGYING today for a quote!