How To Do Jewelry Finishing Process.pptx

Hey jewelry enthusiasts! Dive into the glittering world of jewelry finishing with our easy-to-grasp guide. From the sparkle of chain jewelry to the shine of rings, brooches, and earrings, we've got you covered. Learn how to weld, polish, and bring your designs to life with mechanical magic. Discover the secrets of magnetic, vibrating, and drag polishing for that perfect finish. Plus, unleash the power of laser welding for precision and quality. Whether you're a jewelry store, designer, or e-commerce seller, this is your one-stop guide to elevate your craft. Gear up for business growth with our all-in-one OEM and ODM solutions. Shine bright, jewelry world!

1. How To Do Jewelry Finishing Process Get entire article, please visit: https://sobling.jewelry/jewelry-finishing-process/

2. CONTENTS 3 . Mechanical Polishing Technology Laser Welding Technology 4 . 1 . Introduction to Jewelry Finishing Process Finishing Process for Different Types of Jewelry 2 .

3. 01 Introduction to Jewelry Finishing Process

4. Introduction to Jewelry Finishing Process

5. 02 Finishing Process for Different Types of Jewelry

6. Finishing Process for Different Types of Jewelry

7. Finishing Process for Different Types of Jewelry Shaping Sprue Bottom link chain Dropped Line Hook Chain 1. The finishing process of chain jewelry

8. Finishing Process for Different Types of Jewelry Welding Chain Processing Tongue of clasp Clasp Adjustment Processing the number “8” shape of secure latch Remove Sand holes Sanding wood bar

9. Finishing Process for Different Types of Jewelry 2. The jewelry finishing process of bangle Assemble the bangle  Shaping correct Clasp Adjustment Grinding the bottom File (metalworking and woodworking)

10. Finishing Process for Different Types of Jewelry 3. The jewelry finishing process of the ring Ring shaping Hammer letter stamp Inlayed accessories Filing the ring

11. Finishing Process for Different Types of Jewelry Welded large sand pits Alum water boiling Finger Ring sanding Ring polishing by hair brush

12. Finishing Process for Different Types of Jewelry 4. The jewelry finishing process of Brooch (Shirt Pin)  Installing the hinge Welding brooch hinge position Welding clasp part

13. Finishing Process for Different Types of Jewelry 5. The jewelry finishing process of Earrings and Pendants Welding the ear pin Welding the teardrop bail

14. 03 Mechanical Polishing Technology

15. Mechanical Polishing Technology

16. Mechanical Polishing Technology Vibrating Polishing machine Magnetic Polisher Single barrel drum polishing machine Sink polishing machine Turntable Polishing Machine   Drag polishing machine

17. Mechanical Polishing Technology Comparison of Performance and Characteristics of Different Types of Polishers Machine Type Expanding polishing medium Grinding Medium Advantages Disadvantages Suitable jewelry workpiece Vibratory Polishing machine Wood chips, porcelain pieces, walnut shell particles, corn flour, steel balls Ceramics， plastics Cheap, large items, stamped parts Long processing time, low pressure, has indentations, poor smoothness effect, cannot achieve ideal results with dry processing Small chain, machine chain Magnetic polishing machine Steel needles none Bright surface, short processing time Not smooth, has dents, steel needle will prick the surface, brightness is insufficient Gold silk pearl, inner wall of jewelry Tumbling Polishing Machine Wooden cubes, wooden pins, walnut shell particles, jade rice flour, steel balls Ceramic, plastic Inexpensive Long processing time, inconvenient processing, surface dust, surface compression Various jewelry pieces Rotary Table Polishing Machine Walnut shell particles, porcelain pieces, plastic Ceramic, plastic High efficiency, short processing time, machine completes 70% of the workload, fewer processes, jewelry is clean, easy to process, high surface quality Can only handle non-heavy jewelry workpieces (up to 20g), cannot process gem seats on small chains Most jewelry pieces, industrial products, watch cases Drag Polishing Machine Walnut shell particles Walnut shell particles Can polish large and heavy jewelry workpieces, no impact No wet grinding Various jewelry pieces that can be fixed on a rack

18. Mechanical Polishing Technology Types of Polishing Medium Wet Processing Dry Processing Grinding Polishing Grinding Polishing Ceramic Grain Porcelain Grain Walnut shell granules Walnut shell granules Plastic granules Steel ball Corn Grits Corn Grits Wood Chips Wood Chips Plastic Plastic Others Others

19. Mechanical Polishing Technology  Wax Removal Flying disc Grinding Grinding emery Wheel  Steel disk Grinding

20. 04 Laser Welding Technology

21. Laser Welding Technology

22. Laser Welding Technology Typical parameters for laser welding machines used in the jewelry manufacturing (according to John, 2001) Dimensions of the welding machine, Length x Width x Height (mm) (700 ~ 1350)x(250 ~ 550)x(650 ~ 860) Quality (kg) 85 ~ 150 Power supply 115 or (200 ~ 240 V) / (50 ~ 60 Hz) , single phase Maximum average operating power (W) 30 ~ 80 Focus diameter (mm) 0.2 ~ 2.0 Pulse energy (J) 0.05 ~ 80 Peak pulse power (kW) 4.5 ~ 10 Pulse duration (ms) 0.5 ~ 20 Pulse frequency (Hz) Single, 10 Pulse voltage (v) 200 ~ 400

23. Laser Welding Technology Typical laser welding parameters for some jewelry materials (according to John, 2001) Alloy Composition Pulse Voltage (V) Pulse Duration (ms) Result Pt Alloy 200 ~ 300 1.5 ~ 10 Excellent welding 99.99 Au 300 ~ 400 10 ~ 20 Weld area becomes dark, high power required 18KY 250 ~ 300 2.5 ~ 10 Excellent welding 18KW 250 ~ 280 1.7 ~ 5.0 Excellent welding 925 Silver/835 Silver 300 ~ 400 7.0 ~ 20 Weld area becomes dark, high power required Titanium 200 ~ 300 2.0 ~ 4.0 Inert atmosphere recommended Stainless Steel 200 ~ 300 2.0 ~ 15 Inert atmosphere recommended

24. Laser Welding Technology  Melting points and thermal conductivities of platinum alloys (according to John, 2001) Alloy Thermal Conductivity Melting Point (℃) Alloy Thermal Conductivity Melting Point (℃) 999Pt 0.245 1773 Pd 0.24 1555 990Pt 0.245 1773 5%Pd 0.247 1765 5%Cu 0.288 1745 10%Pd 0.247 1755 5%Co 0.223 1765 15%Pd 0.247 1750 3%Co/7%Pd 0.229 1740 5%Rh 0.25 1820 5%Co/10%Pd 0.22 1730 5%Ru 0.255 1795 5%Ir 0.245 1795 5%W 0.267 1845 10%Ir 0.242 1800 Pure Au 1.2 1063 15%Ir 0.241 1800 Pure Ag 1.702 962 20%Ir 0.237 1830 　 　 　

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