Precision in Emptiness: JINGYING’s CNC Piercing Technology for Custom Floral Pendants
Índice
- 
Introduction to CNC Piercing in Jewelry Manufacturing 
- 
Market Demand for Floral Pierced Pendants 
- 
Perfil do cliente: Design Requirements & Expectations 
- 
Technical Specifications of the Floral Pendant 
- 
Material Selection for Pierced Jewelry 
- 
CNC Piercing Technology Explained 
- 
Processo de fabricação passo a passo 
- 
Surface Finishing Techniques 
- 
Medidas de controle de qualidade 
- 
Production Challenges & Soluções 
- 
Embalagem & Apresentação 
- 
Estudo de caso: 10,000 Unit Order Fulfillment 
- 
Comparative Analysis with Traditional Methods 
- 
Feedback do cliente & Market Response 
- 
Future Developments in CNC Jewelry 
- 
Conclusão: The Art of Precision Emptiness 
1. Introduction to CNC Piercing in Jewelry Manufacturing
The art of pierced metalwork dates back centuries, but modern CNC (Computer Numerical Control) technology has revolutionized this ancient craft. JINGYING’s advanced CNC piercing systems combine digital precision with artistic expression, particularly suited for delicate floral pendant designs. This whitepaper examines our proprietary Multi-Axis Micro-Piercing System (MAPS) through the lens of a recent 10,000-unit floral pendant order.

Key Advantages of CNC Piercing:
- 
±0.01mm dimensional accuracy 
- 
85% material waste reduction vs. corte a laser 
- 
Ability to create interlocking pierced patterns 
- 
3D undercuts without secondary operations 
2. Market Demand for Floral Pierced Pendants
Global Jewelry Trends (2024):
- 
Pierced designs account for 38% of pendant sales (McKinsey Luxury Report) 
- 
Floral motifs represent 62% of nature-inspired jewelry 
- 
925 silver pierced pendants show 22% YoY growth 
Preferências do consumidor:
- 
Delicate but durable constructions 
- 
Lightweight wearability (under 15g) 
- 
“See-through” dimensional effects 
- 
Customizable personalization options 
3. Perfil do cliente: Design Requirements
Cliente: Scandinavian jewelry brand (Est. 2015)
- 
Aesthetic: Minimalist Nordic floral designs 
- 
Quantidade do pedido: 10,000 unidades (5 variations) 
- 
Key Requirements: - 
0.3-0.5mm piercing width consistency 
- 
No visible tool marks 
- 
Weight limit: 12g per pendant 
- 
Compatible with 1.5mm chain 
 
- 
4. Especificações técnicas
| Parameter | Especificação | 
|---|---|
| Dimensões | 25mm × 18mm × 1.8mm | 
| Material | 925 Prata de lei | 
| Piercing Width | 0.4mm ±0.05 | 
| Peso | 10.8-11.2g | 
| Bail Opening | 1.6mm ID | 
| Surface Finish | Polimento de espelho + selective oxidation | 
CAD Design Features:
- 
87 intersecting pierced elements 
- 
3-layer depth illusion 
- 
Hidden structural reinforcements 
- 
Engraving plate for customization 
5. Material Selection Rationale
925 Silver Advantages for Piercing:
- 
Optimal machinability (Mohs 2.5-3) 
- 
Minimal tool wear during CNC operations 
- 
Excellent polish retention 
- 
Tarnish-resistant with proper coating 
Alternative Materials Considered:
- 
Ouro: Too soft for fine details 
- 
Titânio: Difficult to pierce thinly 
- 
Latão: Requires additional plating 
6. CNC Piercing Technology Deep Dive
JINGYING’s MAPS System Specifications:
- 
5-axis simultaneous control 
- 
50,000 RPM spindle speed 
- 
0.1mm carbide micro-tools 
- 
Coolant-free dry machining 
- 
Real-time tool wear compensation 
Unique Capabilities:
- 
15° undercut piercing 
- 
Variable width piercing (0.2-1mm) 
- 
On-machine deburring 
- 
Automated tool change (12-tool carousel) 
7. Fabricação passo a passo
Fase 1: Digital Preparation
- 
CAD file optimization (SolidWorks) 
- 
Toolpath simulation (Mastercam) 
- 
Nesting for material efficiency 
Fase 2: Usinagem CNC
- 
Roughing (0.8mm end mill) 
- 
Semi-finishing (0.4mm ball nose) 
- 
Precision piercing (0.1mm tapered tool) 
- 
Bail drilling (1.6mm drill bit) 
- 
Gravação (30° V-bit) 
Fase 3: Pós-processamento
- 
Ultrasonic cleaning 
- 
Magnetic tumbling (8 horas) 
- 
Polimento manual (wheel + compound) 
- 
Rodium Plating (opcional) 
8. Surface Finishing Techniques
Multi-Stage Polishing Process:
- 
Barrel tumbling (24h) 
- 
Micro-abrasive blasting (selective areas) 
- 
Manual buffing (muslin wheels) 
- 
Electrolytic polishing 
- 
Anti-tarnish coating (3μm thickness) 
Quality Verification:
- 
White glove inspection (10× magnification) 
- 
Weight tolerance check (±0.2g) 
- 
Piercing width measurement (optical comparator) 
9. Quality Control Protocol
| Checkpoint | Método | Padrão | 
|---|---|---|
| Precisão Dimensional | CMM | ±0.05mm | 
| Piercing Cleanliness | Microscope | No burrs >0.02mm | 
| Polish Quality | Light chamber | Ra ≤0.1μm | 
| Bail Strength | 5KG Teste de puxão | No deformation | 
| Material Purity | Xrf | 92.5-93% AG | 
10. Production Challenges & Soluções
Desafio 1: Tool breakage in fine details
Solução: Implemented adaptive feed rate control
Desafio 2: Maintaining piercing width consistency
Solução: Developed temperature-controlled machining environment
Desafio 3: Post-processing part handling
Solução: Custom 3D-printed holding fixtures
11. Packaging Innovation
Protective Packaging:
- 
Individual PETG form-fitting inserts 
- 
Anti-tarnish strips with oxygen scavengers 
- 
Scratch-resistant inner coating 
Retail Packaging:
- 
FSC-certified paper boxes 
- 
Embedded NFC authenticity chips 
- 
Multi-language care instructions 
12. Estudo de caso: 10,000 Ordem de Unidade
Production Metrics:
- 
Yield Rate: 98.7% 
- 
Average machining time: 23 minutes per piece 
- 
Material utilization: 82% 
- 
Entrega no prazo: 100% 
Client ROI:
- 
Retail price: €189-€249 
- 
Sell-through rate: 91% in Q1 
- 
Generated €1.8M revenue for client 
13. Análise Comparativa
VS Laser Cutting:
- 
40% faster production 
- 
Better edge quality 
- 
No heat-affected zones 
VS Traditional Hand Piercing:
- 
300% consistency improvement 
- 
65% cost reduction 
- 
Ability to replicate designs exactly 
14. Feedback do cliente
“The precision of JINGYING’s CNC piercing allowed us to achieve designs we previously thought were only possible in renderings. Their technical team’s understanding of our aesthetic vision was remarkable.”
15. Future Developments
Next-Gen Piercing Technology:
- 
AI-powered toolpath optimization 
- 
Hybrid additive/subtractive systems 
- 
Nanoscale piercing capabilities (0.05mm) 
- 
Self-cleaning piercing tools 
16. Conclusão
JINGYING’s CNC piercing technology represents the perfect marriage of Renaissance craftsmanship and Industry 4.0 precisão. This case study demonstrates how advanced manufacturing can bring even the most delicate floral designs to life with unprecedented accuracy and repeatability.
Key Takeaways:
- 
CNC piercing enables previously impossible design complexities 
- 
Material science is as crucial as machining parameters 
- 
Post-processing determines final quality as much as cutting 
- 
Every pierced design requires unique toolpath strategies 
For designers seeking to push the boundaries of metal emptiness, our doors—and our CNC workstations—are always open.
