Precision in Emptiness: JINGYING’s CNC Piercing Technology for Custom Floral Pendants
Sommario
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Introduction to CNC Piercing in Jewelry Manufacturing 
- 
Market Demand for Floral Pierced Pendants 
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Client Profile: Design Requirements & Aspettative 
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Technical Specifications of the Floral Pendant 
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Material Selection for Pierced Jewelry 
- 
CNC Piercing Technology Explained 
- 
Processo di produzione passo-passo 
- 
Surface Finishing Techniques 
- 
Misure di controllo della qualità 
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Production Challenges & Soluzioni 
- 
Confezione & Presentation 
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Caso di studio: 10,000 Unit Order Fulfillment 
- 
Comparative Analysis with Traditional Methods 
- 
Client Feedback & Market Response 
- 
Future Developments in CNC Jewelry 
- 
Conclusione: 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:
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±0.01mm dimensional accuracy 
- 
85% material waste reduction vs. taglio laser 
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Ability to create interlocking pierced patterns 
- 
3D undercuts without secondary operations 
2. Market Demand for Floral Pierced Pendants
Global Jewelry Trends (2024):
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Pierced designs account for 38% of pendant sales (McKinsey Luxury Report) 
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Floral motifs represent 62% of nature-inspired jewelry 
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925 silver pierced pendants show 22% YoY growth 
Preferenze del consumatore:
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Delicate but durable constructions 
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Lightweight wearability (under 15g) 
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“See-through” dimensional effects 
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Customizable personalization options 
3. Client Profile: Design Requirements
Cliente: Scandinavian jewelry brand (Est. 2015)
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Aesthetic: Minimalist Nordic floral designs 
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Quantità dell'ordine: 10,000 unità (5 variations) 
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Key Requirements: - 
0.3-0.5mm piercing width consistency 
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No visible tool marks 
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Weight limit: 12g per pendant 
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Compatible with 1.5mm chain 
 
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4. Specifiche tecniche
| Parameter | Specifica | 
|---|---|
| Dimensioni | 25mm × 18mm × 1.8mm | 
| Materiale | 925 Argento sterling | 
| Piercing Width | 0.4mm ±0.05 | 
| Peso | 10.8-11.2G | 
| Bail Opening | 1.6mm ID | 
| Surface Finish | Mirror polish + selective oxidation | 
CAD Design Features:
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87 intersecting pierced elements 
- 
3-layer depth illusion 
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Hidden structural reinforcements 
- 
Engraving plate for customization 
5. Material Selection Rationale
925 Silver Advantages for Piercing:
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Optimal machinability (Mohs 2.5-3) 
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Minimal tool wear during CNC operations 
- 
Excellent polish retention 
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Tarnish-resistant with proper coating 
Alternative Materials Considered:
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Oro: Too soft for fine details 
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Titanio: Difficult to pierce thinly 
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Ottone: Requires additional plating 
6. CNC Piercing Technology Deep Dive
JINGYING’s MAPS System Specifications:
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5-axis simultaneous control 
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50,000 RPM spindle speed 
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0.1mm carbide micro-tools 
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Coolant-free dry machining 
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Real-time tool wear compensation 
Unique Capabilities:
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15° undercut piercing 
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Variable width piercing (0.2-1mm) 
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On-machine deburring 
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Automated tool change (12-tool carousel) 
7. Produzione passo-passo
Fase 1: Digital Preparation
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CAD file optimization (SolidWorks) 
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Toolpath simulation (Mastercam) 
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Nesting for material efficiency 
Fase 2: CNC Machining
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Roughing (0.8mm end mill) 
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Semi-finishing (0.4mm ball nose) 
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Precision piercing (0.1mm tapered tool) 
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Bail drilling (1.6mm drill bit) 
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Incisione (30° V-bit) 
Fase 3: Post-elaborazione
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Pulizia ad ultrasuoni 
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Magnetic tumbling (8 ore) 
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Hand polishing (wheel + compound) 
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Rhodium Plating (opzionale) 
8. Surface Finishing Techniques
Multi-Stage Polishing Process:
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Barrel tumbling (24h) 
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Micro-abrasive blasting (selective areas) 
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Manual buffing (muslin wheels) 
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Electrolytic polishing 
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Anti-tarnish coating (3μm thickness) 
Quality Verification:
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White glove inspection (10× magnification) 
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Weight tolerance check (±0.2g) 
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Piercing width measurement (optical comparator) 
9. Quality Control Protocol
| Checkpoint | Metodo | Standard | 
|---|---|---|
| Precisione dimensionale | CMM | ±0,05 mm | 
| Piercing Cleanliness | Microscope | No burrs >0.02mm | 
| Polish Quality | Light chamber | Ra ≤0.1μm | 
| Bail Strength | 5kg pull test | No deformation | 
| Material Purity | Xrf | 92.5-93% Ag | 
10. Production Challenges & Soluzioni
Sfida 1: Tool breakage in fine details
Soluzione: Implemented adaptive feed rate control
Sfida 2: Maintaining piercing width consistency
Soluzione: Developed temperature-controlled machining environment
Sfida 3: Post-processing part handling
Soluzione: Custom 3D-printed holding fixtures
11. Packaging Innovation
Protective Packaging:
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Individual PETG form-fitting inserts 
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Anti-tarnish strips with oxygen scavengers 
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Scratch-resistant inner coating 
Retail Packaging:
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FSC-certified paper boxes 
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Embedded NFC authenticity chips 
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Multi-language care instructions 
12. Caso di studio: 10,000 Unit Order
Production Metrics:
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Yield Rate: 98.7% 
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Average machining time: 23 minutes per piece 
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Material utilization: 82% 
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On-time delivery: 100% 
Client ROI:
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Retail price: €189-€249 
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Sell-through rate: 91% in Q1 
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Generated €1.8M revenue for client 
13. Analisi comparativa
VS Laser Cutting:
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40% faster production 
- 
Better edge quality 
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No heat-affected zones 
VS Traditional Hand Piercing:
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300% consistency improvement 
- 
65% cost reduction 
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Ability to replicate designs exactly 
14. Client Feedback
“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:
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AI-powered toolpath optimization 
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Hybrid additive/subtractive systems 
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Nanoscale piercing capabilities (0.05mm) 
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Self-cleaning piercing tools 
16. Conclusione
JINGYING’s CNC piercing technology represents the perfect marriage of Renaissance craftsmanship and Industry 4.0 precisione. This case study demonstrates how advanced manufacturing can bring even the most delicate floral designs to life with unprecedented accuracy and repeatability.
Punti chiave:
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CNC piercing enables previously impossible design complexities 
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Material science is as crucial as machining parameters 
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Post-processing determines final quality as much as cutting 
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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.
