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Manufacturing Process [1]

Paper Code: 
JWT 602
Credits: 
3
Contact Hours: 
45.00
Max. Marks: 
100.00
Objective: 

Objective:

  1. To understand the skills and techniques of basic shaping, soldering and finishing, setting, re-tipping and to understand the areas of repairs, modifications & production of jewellery
  2. To acquaint students with hallmarking

 

9.00
Unit I: 
Manufacturing process:

Manufacturing process:                                     

  • Handmade
  • Modeling
  • Casting :
  • Method of giving form to Molten metal.
  • The Development of  casting technology
  • Model Types
  • Lost Wax Casting
    • Advantages & Limitations
  • Type of Wax
    • Hand carving Wax
    • Building or Sculpture Wax
    • Soft Wax
    • Tacky Sticks
    • Water Soluble wax
    • Injection Wax

 

 

9.00
Unit II: 
Solders & Soldering :

Solders & Soldering :                                       

  • Meaning
  • Solders
  • Flux
  • Soldering jigs
  • Refractory material used for jigs and soldering surfaces
  • Screws bolts and nuts and screw joints
  • Rivets and reviting

Soldering techniques & Process

 

9.00
Unit III: 
Clips & Connections:

Clips [2]  &  Connections [3]:                                                          

·         A Keg Closing  

·         A Box Closing

·         Spring Clip

·         A Bayonet Closing

·         Locks (Stop)

·         Clips For Earring

·         Connections With Half Ring For Settings

·         Connection With A Hinged Stud

·         A Nail Connection

Basic  type of joints

9.00
Unit IV: 
Metallic Buildup:

: Metallic Buildup:                                                                    

Metal  Finishing : Achieving desired surface appearance                      

  • Type of finish on metal
  • Type of soil on metals
  • Hand polish and buffing
  • Abrasives
  • Laser Technology
  • Electroforming  Process

Electroplating

Process [4], Strike [5], Current Density [6], Brush Electroplating [7], Electroless Deposition [8] & Cleanliness [9]

 

 

9.00
Unit V: 
Quality Control Assurance parameters :

Quality Control Assurance parameters :                               

·            Focus on Quality Control

·            Design

·            Manufacturing Activities

·            Purity

·            Certified Precious Stones:

·            Price control

·            Process & Information Integrity

Health Hazards to artisans due to various processes in Jewellery Manufacturing and their preventions

Essential Readings: 
  1. Untracht, O. (2011). Jewelry concepts & technology. Doubleday.
  2. Olver, E. (2001). Jewelry Making Techniques Book. North Light Books.
  3. McGrath, J. (2005). The Jeweler's Directory of Decorative Finishes: From

Enameling and Engraving to Inlay and Granulation.  Krause Publications Craft.

  1. Le Van, M. (Ed.). (2005). The Penland Book of Jewelry: Master Classes in Jewelry Techniques. Lark Books.
  2. Codina, C. (2007). Goldsmithing & silver work: jewelry, vessels & ornaments. Sterling Publishing Company, Inc..
  3. Loney, J. (2009). Metal Jewelry Made Easy: A Crafter's Guide to Fabricating Necklaces, Earrings, Bracelets & More. Sterling Publishing Company, Inc..

 

 

References: 
  1. Zhang, X. J., Tong, K. K., Chan, R., & Tan, M. (1995). Gold jewellery casting: Technology design and defects elimination. Journal of materials processing technology, 48(1-4), 603-609.
  2. Pardue, D. (2007). Contemporary Southwestern Jewelry. Gibbs Smith.
  3. McCreight, T., & McCreight. (1999). The Metalsmith's Book of Boxes & Lockets (Vol. 6). Hand Books Press.
  4. Bovin, M., & Codina, C. (1964). Jewelry Making. Bovin.
  5. McCreight, T. (2005). Jewelry Making: Techniques for Metal. Courier Corporation.

 

Academic Year: 
2019-2020 [10]

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Source URL: https://www.jewellery.iisuniv.ac.in/courses/subjects/manufacturing-process-3

Links:
[1] https://www.jewellery.iisuniv.ac.in/courses/subjects/manufacturing-process-3
[2] http://www.goldsmith.it/us/culturale/tecniche/clips/clips1.html
[3] http://www.goldsmith.it/us/culturale/tecniche/congiuzioni/congpg1.html
[4] http://en.wikipedia.org/wiki/Electroplating#Process#Process
[5] http://en.wikipedia.org/wiki/Electroplating#Strike#Strike
[6] http://en.wikipedia.org/wiki/Electroplating#Current_density#Current_density
[7] http://en.wikipedia.org/wiki/Electroplating#Brush_electroplating#Brush_electroplating
[8] http://en.wikipedia.org/wiki/Electroplating#Electroless_deposition#Electroless_deposition
[9] http://en.wikipedia.org/wiki/Electroplating#Cleanliness#Cleanliness
[10] https://www.jewellery.iisuniv.ac.in/academic-year/2019-2020