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How to Produce an Openwork Rose-Shaped Pendant: Quá trình sản xuất & Cost Breakdown

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How to Produce an Openwork Rose-Shaped Pendant: Quá trình sản xuất & Cost Breakdown

Mục lục

  1. Introduction to Openwork Jewelry

  2. Designing the Rose-Shaped Pendant

  3. Materials Selection

  4. Manufacturing Methods

    • 4.1 CNC Machining

    • 4.2 Laser Cutting

    • 4.3 Đúc (Lost-Wax & 3D in)

    • 4.4 Chế tạo tay

  5. Step-by-Step Production Process

  6. Hoàn thiện & Tùy chọn mạ

  7. Kiểm soát chất lượng & Testing

  8. Cost Breakdown (Nguyên vật liệu, Labor, MOQ Impact)

  9. Choosing Between OEM & ODM Production

  10. Top Manufacturers for Openwork Rose Pendants

  11. Trường hợp nghiên cứu: Sample Production Run

  12. Phần kết luận & Recommendations

1. Introduction to Openwork Jewelry

Openwork (or filigree) jewelry features intricate cut-out designs, making it lightweight yet visually striking. MỘT rose-shaped pendant in this style requires precision manufacturing, typically using:
✔ CNC machining (for sharp, clean edges)
✔ Laser cutting (for delicate patterns)
✔ Đúc đầu tư (for organic shapes)

This guide covers how to produce an openwork rose pendant and analyzes cost factors based on materials, nhân công, and order quantity.

2. Designing the Rose-Shaped Pendant

Key Design Considerations

  • Pattern Complexity (more details = higher cost)

  • Size & Độ dày (affects material usage)

  • Attachment Method (bail, jump ring, or integrated chain)

Software Used

  • CAD (Rhino, Matrix, ZBrush) for 3D modeling

  • Vector (Adobe Illustrator) for laser-cut designs

Example Design Specs:

  • Diameter: 25mm

  • Độ dày: 1.2mm

  • Material: 925 Bạc Sterling

3. Materials Selection

Material Pros Cons Best For
925 Bạc Sterling Premium finish, tarnish-resistant Higher cost High-end jewelry
Thau (Gold-Plated) Có thể chi trả, versatile May tarnish over time Fashion jewelry
Thép không gỉ Durable, hypoallergenic Harder to cut finely Minimalist designs

4. Manufacturing Methods

4.1 CNC Machining

  • Quá trình: A computer-controlled router cuts the design from a metal sheet.

  • Best For: Precise geometric patterns.

  • Cost: $8–$20 per unit (MOQ 50+)

4.2 Laser Cutting

  • Quá trình: A laser burns through metal to create intricate designs.

  • Best For: Ultra-fine details (VÍ DỤ., petal textures).

  • Cost: $5–$15 per unit (MOQ 100+)

4.3 Đúc (Lost-Wax & 3D in)

  • Quá trình: Wax model → Plaster mold → Molten metal casting.

  • Best For: Organic, curved rose shapes.

  • Cost: $10–$30 per unit (MOQ 20+)

4.4 Chế tạo tay

  • Quá trình: Artisans cut and solder metal wires.

  • Best For: Custom one-of-a-kind pieces.

  • Cost: $50–$200 per unit (Labor-intensive)

5. Step-by-Step Production Process

Bước chân 1: Thiết kế CAD & Tạo mẫu

  • Create a 3D model of the rose pendant.

  • Test print in wax or resin before metal production.

Bước chân 2: Metal Cutting/Forming

  • CNC/laser cuts the design from a sterling silver sheet.

  • If casting, inject molten silver into a mold.

Bước chân 3: Làm sạch & Đánh bóng

  • Remove burrs with ultrasonic cleaning.

  • Polish to a mirror or matte finish.

Bước chân 4: Mạ (Không bắt buộc)

  • Gold/Rhodium plating Để có thêm độ bóng.

  • Antique oxidation for vintage effects.

Bước chân 5: Kiểm tra chất lượng

  • Check for defects, cân nặng, and dimensions.

  • Test plating durability (salt spray test).

6. Hoàn thiện & Tùy chọn mạ

Hoàn thành Effect Cost Addition
High Polish Mirror-like shine +$1–$3
Matte/Satin Mềm mại, non-reflective +$2–$5
Gold Plating Luxe rose gold/yellow gold +$3–$10
Oxidized Darkened vintage look +$4–$8

7. Kiểm soát chất lượng & Testing

  • Độ chính xác kích thước (caliper measurement)

  • Plating Adhesion Test (tape peel test)

  • Kháng chiến (humidity chamber)

8. Cost Breakdown

MỘT. Material Costs

Material Cost per Unit
925 Bạc (25mm) $6–$15
Thau (Gold-Plated) $3–$8
Thép không gỉ $4–$10

B. Labor & Production Costs

Method Cost per Unit
CNC Machining $8–$20
Laser Cutting $5–$15
Đúc $10–$30
Handmade $50–$200

C. MOQ Impact on Pricing

Order Quantity Price per Unit
1–50 pcs $25–$80
50–200 pcs $15–$40
200–1000 pcs $8–$25
1000+ pcs $5–$15

Total Estimated Cost Range:

  • Sản xuất hàng loạt (1000+): $10–$25/unit

  • Small Batch (50–100): $20–$50/unit

  • Custom Handmade: $80–$300/unit

9. OEM vs. ODM Production

  • OEM: You provide the design; factory produces it.

  • ODM: Factory designs & manufactures for you.

Best Choice?

  • Startups → ODM (lower design cost)

  • Established brands → OEM (Tùy chỉnh đầy đủ)

10. Top Manufacturers

  1. Trung Quốc: Low-cost, high-volume (MOQ 500+)

  2. Thailand: Handcrafted excellence (MOQ 50+)

  3. Italy: Luxury craftsmanship (MOQ 10+)

11. Trường hợp nghiên cứu: 500-Unit Production Run

  • Thiết kế: Laser-cut sterling silver rose pendant

  • Nhà sản xuất: Guangdong Jewelry Co. (Trung Quốc)

  • Cost: $12/unit ($6,000 total)

  • Timeline: 25 ngày (including shipping)

12. Phần kết luận & Recommendations

  • Best for Budget: Laser-cut brass (gold-plated)

  • Best for Luxury: CNC-milled 925 bạc

  • Best for Small Batches: Đúc + hand-finishing

Next Steps:

  1. Finalize CAD design (or use ODM catalogs).

  2. Request quotes from 3–5 manufacturers.

  3. Order samples Trước khi sản xuất đầy đủ.