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!