Notizie di gioielli

Gioielli in argento sterling OEM Processi e tecniche di Jingying

Pubblicato il da Kingjy

Gioielli in argento sterling OEM Processi e tecniche di Jingying

Introduzione

argento sterling (925 argento) is one of the most popular materials in fine jewelry due to its durata, affordability, and timeless appeal. As a leading OEM (Original Equipment Manufacturer) jewelry producer, Jingying specializes in crafting high-quality sterling silver jewelry for global brands, rivenditori, and designers.

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

By the end, you’ll understand why JINGYING is a trusted partner for sterling silver jewelry manufacturing.

1. Understanding Sterling Silver (925 Argento)

1.1. Composizione & Proprietà

  • 92.5% argento puro + 7.5% rame (for strength).

  • Ipoallergenico (Sicuro per la pelle sensibile).

  • Naturalmente offusca (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 argento (RJC-certified).

  • Advanced CAD/CAM & casting technology.

  • Custom designs from sketch to finished product.

  • Strict quality control (Iso 9001 certificato).

2. Processo di produzione passo-passo

2.1. Progetto & 3D Modellazione

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

  • CAD (Computer-Aided Design):

    • Precision digital modeling.

    • Adjustable thickness, prong placement, and engraving.

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

2.2. Material Preparation

  • Silver sourcing: Ethically refined 925 silver grains.

  • Alloy melting: Argento + copper blended at 1760° f (960° C.).

  • Casting ingots: Formed into bars for further processing.

2.3. Casting Techniques

UN. Vacuum Casting (Most Common)

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

  • Vantaggi:

    • High detail accuracy.

    • Minimal porosity.

  • Used for: Rings, pendenti, charms.

B. Centrifugal Casting

  • Processo: Spins molten silver into mold cavities.

  • Best for: Small, intricate pieces (PER ESEMPIO., chains, filigree).

C. Sand Casting (For Large Pieces)

  • Processo: 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.

  • Assemblaggio: Soldering components (PER ESEMPIO., bails, clasps).

2.5. Finishing Techniques

UN. Lucidare

  • Crollo: Barrel-polished for smoothness.

  • Hand-Polishing: Buffed with microfiber wheels.

B. Placcatura (Opzionale)

  • Rhodium plating: Migliora la lucentezza & prevents tarnish.

  • Gold plating: Oro rosa, yellow gold, or black rhodium finishes.

C. Oxidation (Antiquing)

  • Liver of sulfur treatment: Creates vintage blackened effects.

D. Laser Engraving

  • Custom text, logos, or patterns.

2.6. Ambiente in pietra (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.

  • Peso & 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. Quality Assurance & Certificazioni

  • Iso 9001: Quality management.

  • SGS/RJC Certification: Sourcing etico.

  • Xrf & Acid Testing: Guarantees 925 purezza.

5. Custom OEM Services at JINGYING

  • Private label packaging.

  • Custom engraving & branding.

  • Low MOQ options (50+ pezzi).

Conclusione

Jingying è sterling silver OEM manufacturing combines traditional craftsmanship with cutting-edge technology, garantire di alta qualità, durevole, and beautifully designed jewelry for brands worldwide.

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