スターリングシルバージュエリーOEM製造プロセスとジンジーのテクニック

スターリングシルバージュエリーOEM製造プロセスとジンジーのテクニック

導入

スターリングシルバー (925 銀) is one of the most popular materials in fine jewelry due to its 耐久性, affordability, and timeless appeal. As a leading OEM (Original Equipment Manufacturer) jewelry producer, ジンジー specializes in crafting high-quality sterling silver jewelry for global brands, 小売業者, デザイナー.

This in-depth guide explores the entire manufacturing process of sterling silver jewelry at JINGYING, covering:
Material selection & quality control
Advanced production techniques
仕上げ & 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 銀)

1.1. Composition & Properties

  • 92.5% 純銀 + 7.5% copper (for strength).

  • 低刺激性 (safe for sensitive skin).

  • Naturally tarnishes (develops patina over time).

  • 金やプラチナよりも柔らかい (requires proper craftsmanship).

1.2. Why Choose JINGYING for OEM Sterling Silver Jewelry?

  • Ethically sourced 925 銀 (RJC-certified).

  • Advanced CAD/CAM & casting technology.

  • Custom designs from sketch to finished product.

  • 厳格な品質管理 (ISO 9001 認定).


2. Step-by-Step Manufacturing Process

2.1. Design & 3Dモデリング

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

  • CAD (コンピューター支援設計):

    • Precision digital modeling.

    • Adjustable thickness, prong placement, と彫刻.

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

2.2. Material Preparation

  • Silver sourcing: Ethically refined 925 silver grains.

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

  • Casting ingots: Formed into bars for further processing.

2.3. Casting Techniques

a. Vacuum Casting (Most Common)

  • プロセス: Molten silver injected into a mold under vacuum.

  • 利点:

    • High detail accuracy.

    • Minimal porosity.

  • Used for: Rings, ペンダント, チャーム.

B. Centrifugal Casting

  • プロセス: Spins molten silver into mold cavities.

  • Best for: Small, intricate pieces (例えば。, chains, フィリグリー).

c. Sand Casting (For Large Pieces)

  • プロセス: 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.

  • 組み立て: Soldering components (例えば。, bails, clasps).

2.5. Finishing Techniques

a. 研磨

  • タンブリング: Barrel-polished for smoothness.

  • ハンドポーリング: Buffed with microfiber wheels.

B. メッキ (オプション)

  • Rhodium plating: 輝きを強化します & prevents tarnish.

  • Gold plating: ローズゴールド, イエローゴールド, or black rhodium finishes.

c. Oxidation (Antiquing)

  • Liver of sulfur treatment: Creates vintage blackened effects.

D. レーザー彫刻

  • Custom text, logos, or patterns.

2.6. 石の設定 (If Applicable)

  • Prong, ベゼル, or pave setting for gemstones.

  • Quality check: Ensures stones are secure.

2.7. 最終的な品質管理

  • 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. 品質保証 & 認定

  • ISO 9001: 品質管理.

  • SGS/RJC Certification: 倫理的な調達.

  • XRF & Acid Testing: Guarantees 925 純度.


5. Custom OEM Services at JINGYING

  • Private label packaging.

  • Custom engraving & ブランディング.

  • Low MOQ options (50+ 作品).


結論

ジンジー sterling silver OEM manufacturing combines traditional craftsmanship with cutting-edge technology, 保証 high-quality, 耐久性, and beautifully designed jewelry for brands worldwide.

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