Manufacturing Process & Quality Assurance

Paper Code: 
MJD 221
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 
  1. Understand the skills and techniques of basic manufacturing, soldering and finishing, setting, re-tipping.
  2. Familiarize with hallmarking.

 

12.00
Unit I: 
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

 

 

12.00
Unit II: 
Solders& Soldering
  • Meaning
  • Solders
  • Flux
  • Soldering jigs
  • Refractory material used for jigs and soldering surfaces
  • Screws bolts and nuts and screw joints
  • Rivets and riveting
  • Soldering techniques & Process

 

 

12.00
Unit III: 
Lock, Clips Connections

·         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

12.00
Unit IV: 
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, Strike, Current Density, Brush Electroplating, Deposition Cleanliness,Costume Fashion & Imitate Jewellery

 

12.00
Unit V: 
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.
  • CSR, Social Audit, Child labor, Women Welfare measures in factories

 

 

Essential Readings: 
  • 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.
  • CSR, Social Audit, Child labor, Women Welfare measures in factories

 

 

References: 

·         Olver, E. (2001). Jewelry Making Techniques Book. North Light Books.

·         McGrath, J. (2005). The Jeweler's Directory of Decorative Finishes: From

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

Le Van, M. (Ed.). (2005).ThePenland Book of Jewelry: Master Classes in Jewelry Techniques. Lark Books

Academic Year: 
2023-2024
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