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
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92.5% 純銀 + 7.5% copper (for strength).
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低刺激性 (safe for sensitive skin).
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Naturally tarnishes (develops patina over time).
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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?
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Ethically sourced 925 銀 (RJC-certified).
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Advanced CAD/CAM & casting technology.
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Custom designs from sketch to finished product.
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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
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Client consultation: Discuss design ideas, budget, and MOQ.
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CAD (コンピューター支援設計):
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Precision digital modeling.
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Adjustable thickness, prong placement, と彫刻.
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Prototype approval: 3D-printed wax/resin sample for review.
2.2. Material Preparation
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Silver sourcing: Ethically refined 925 silver grains.
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Alloy melting: 銀 + copper blended at 1760°F (960°C).
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Casting ingots: Formed into bars for further processing.
2.3. Casting Techniques
a. Vacuum Casting (Most Common)
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プロセス: Molten silver injected into a mold under vacuum.
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利点:
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High detail accuracy.
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Minimal porosity.
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Used for: Rings, ペンダント, チャーム.
B. Centrifugal Casting
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プロセス: Spins molten silver into mold cavities.
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Best for: Small, intricate pieces (例えば。, chains, フィリグリー).
c. Sand Casting (For Large Pieces)
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プロセス: Silver poured into sand molds.
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Used for: Cuff bracelets, statement rings.
2.4. Post-Casting Processing
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Deburring: Removes rough edges.
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Annealing: Heat treatment to strengthen silver.
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組み立て: Soldering components (例えば。, bails, clasps).
2.5. Finishing Techniques
a. 研磨
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タンブリング: Barrel-polished for smoothness.
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ハンドポーリング: Buffed with microfiber wheels.
B. メッキ (オプション)
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Rhodium plating: 輝きを強化します & prevents tarnish.
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Gold plating: ローズゴールド, イエローゴールド, or black rhodium finishes.
c. Oxidation (Antiquing)
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Liver of sulfur treatment: Creates vintage blackened effects.
D. レーザー彫刻
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Custom text, logos, or patterns.
2.6. 石の設定 (If Applicable)
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Prong, ベゼル, or pave setting for gemstones.
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Quality check: Ensures stones are secure.
2.7. 最終的な品質管理
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Hallmark stamping (“925”).
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XRF testing (verifies metal purity).
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Tarnish resistance test.
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Weight & measurement verification.
3. Advanced Techniques at JINGYING
3.1. Laser Welding for Precision Repairs
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No solder marks, seamless joins.
3.2. Electroforming for Hollow Designs
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Lightweight yet durable statement pieces.
3.3. Diamond Cutting for High-Shine Facets
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Machine-cut edges for brilliance.
4. 品質保証 & 認定
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ISO 9001: 品質管理.
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SGS/RJC Certification: 倫理的な調達.
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XRF & Acid Testing: Guarantees 925 純度.
5. Custom OEM Services at JINGYING
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Private label packaging.
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Custom engraving & ブランディング.
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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!