스털링 실버 쥬얼리 OEM 제조 공정 및 기술

스털링 실버 쥬얼리 OEM 제조 공정 및 기술

소개

Sterling silver (925 은) is one of the most popular materials in fine jewelry due to its 내구성, affordability, and timeless appeal. As a leading OEM (Original Equipment Manufacturer) jewelry producer, 징징 specializes in crafting high-quality sterling silver jewelry for global brands, retailers, 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
마무리 손질 & quality assurance
Custom OEM services

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


1. 스털링 실버 이해 (925 은)

1.1. 구성 & Properties

  • 92.5% 순수한은 + 7.5% 구리 (for strength).

  • hypoallergenic (safe for sensitive skin).

  • 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 은 (RJC-certified).

  • Advanced CAD/CAM & casting technology.

  • Custom designs from sketch to finished product.

  • Strict quality control (ISO 9001 인증).


2. 단계별 제조 공정

2.1. 설계 & 3D 모델링

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

  • 치사한 사람 (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: 은 + copper blended at 1760° F (960° C).

  • Casting ingots: Formed into bars for further processing.

2.3. Casting Techniques

에이. Vacuum Casting (Most Common)

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

  • Advantages:

    • High detail accuracy.

    • Minimal porosity.

  • Used for: Rings, 펜던트, charms.

B. Centrifugal Casting

  • Process: Spins molten silver into mold cavities.

  • Best for: Small, intricate pieces (예를 들어, chains, 선조).

기음. Sand Casting (For Large Pieces)

  • Process: 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.

  • Assembly: Soldering components (예를 들어, bails, clasps).

2.5. Finishing Techniques

에이. 세련

  • Tumbling: Barrel-polished for smoothness.

  • Hand-Polishing: Buffed with microfiber wheels.

B. 도금 (선택 과목)

  • Rhodium plating: Enhances shine & prevents tarnish.

  • Gold plating: Rose gold, 옐로우 골드, or black rhodium finishes.

기음. Oxidation (Antiquing)

  • Liver of sulfur treatment: Creates vintage blackened effects.

D. Laser Engraving

  • Custom text, logos, or patterns.

2.6. Stone Setting (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. Quality Assurance & 인증

  • ISO 9001: Quality management.

  • SGS/RJC Certification: 윤리적 소싱.

  • XRF & Acid Testing: Guarantees 925 청정.


5. Custom OEM Services at JINGYING

  • Private label packaging.

  • Custom engraving & branding.

  • Low MOQ options (50+ 조각).


결론

징징 sterling silver OEM manufacturing combines traditional craftsmanship with cutting-edge technology, 보장 high-quality, 튼튼한, and beautifully designed jewelry for brands worldwide.

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