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Sterling sølvsmykker OEM -produksjonsprosesser og teknikker ved jingying

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Sterling sølvsmykker OEM -produksjonsprosesser og teknikker ved jingying

Introduksjon

Sterling sølv (925 sølv) is one of the most popular materials in fine jewelry due to its varighet, Rimelig, and timeless appeal. As a leading OEM (Produsent av originalutstyr) jewelry producer, Jingying specializes in crafting high-quality sterling silver jewelry for global brands, forhandlere, and designers.

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

Mot slutten, you’ll understand why JINGYING is a trusted partner for sterling silver jewelry manufacturing.

1. Understanding Sterling Silver (925 Sølv)

1.1. Sammensetning & Properties

  • 92.5% rent sølv + 7.5% kopper (for strength).

  • Hypoallergenisk (trygt for sensitiv hud).

  • 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 sølv (RJC-certified).

  • Advanced CAD/CAM & casting technology.

  • Custom designs from sketch to finished product.

  • Strict quality control (ISO 9001 sertifisert).

2. Trinn-for-trinns produksjonsprosess

2.1. Design & 3D modellering

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

  • CAD (Datastøttet design):

    • Precision digital modeling.

    • Adjustable thickness, prong placement, og gravering.

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

2.2. Material Preparation

  • Silver sourcing: Ethically refined 925 silver grains.

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

  • Casting ingots: Formed into bars for further processing.

2.3. Casting Techniques

EN. Vacuum Casting (Most Common)

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

  • Fordeler:

    • High detail accuracy.

    • Minimal porosity.

  • Used for: Ringer, anheng, sjarm.

B. Centrifugal Casting

  • Behandle: Spins molten silver into mold cavities.

  • Best for: Small, intricate pieces (F.eks., chains, filigran).

C. Sand Casting (For Large Pieces)

  • Behandle: 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.

  • Forsamling: Soldering components (F.eks., bails, låser).

2.5. Finishing Techniques

EN. Polere

  • Tumbling: Barrel-polished for smoothness.

  • Håndpolering: Buffed with microfiber wheels.

B. Platting (Valgfri)

  • Rhodium plating: Forbedrer glans & prevents tarnish.

  • Gold plating: Rosegull, Gult gull, or black rhodium finishes.

C. Oksidasjon (Antiquing)

  • Liver of sulfur treatment: Creates vintage blackened effects.

D. Lasergravering

  • Custom text, logos, or patterns.

2.6. Steininnstilling (If Applicable)

  • Prong, Bezel, or pave setting for gemstones.

  • Quality check: Ensures stones are secure.

2.7. Final Quality Control

  • Hallmark stamping (“925”).

  • XRF testing (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. Kvalitetssikring & Sertifiseringer

  • ISO 9001: Quality management.

  • SGS/RJC Certification: Etisk innkjøp.

  • Xrf & Acid Testing: Guarantees 925 purity.

5. Custom OEM Services at JINGYING

  • Private label packaging.

  • Custom engraving & branding.

  • Low MOQ options (50+ stykker).

Konklusjon

Jingying's sterling silver OEM manufacturing combines traditional craftsmanship with cutting-edge technology, ensuring high-quality, varig, and beautifully designed jewelry for brands worldwide.

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