Manufacturing Process (Theory)

Paper Code: 
TJD- 501
Credits: 
T 3
Contact Hours: 
45.00
Max. Marks: 
100.00
Objective: 

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
To acquaint students with hallmarking

10.00
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
         
8.00
Unit II: 
Solders & Soldering
  • Meaning
  • Solders
  • Flux
  • Basic soldering techniques :
    • Methods
    • Electronic components
    • Pipe/Mechanical Soldering
    • Stained Glass Soldering
       
7.00
Unit III: 
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
     
15.00
Unit IV: 
Metallic Buildup
  • Sand Blasting
  • Polishing
  • Laser Technology
  • Electroforming : Process
  • Electroplating
    • Process, Strike, Current Density, Brush Electroplating, Electroless Deposition & Cleanliness
       
5.00
Unit V: 
Quality Control Process

a.    Focus on Quality Control
b.    Design
c.    Manufacturing Activities
d.    Purity
e.    Certified Precious Stones:
f.    Price Stability
g.    Process & Information Integrity
h.    Hallmarking

  • Introduction  of Hallmarking,
  • Certification of Gold
  • BIS Mark
  • Indian Scenario
  • BIS and Consumer Awareness
     
Essential Readings: 
  1. Jewellery Concept & Technology  by Oppi Untracht
  2. Jewellery Making Techniques Book: by Elizabeth Olver
     
References: 
  1. Jewelry Making and Design Rose and Cirino Dover
  2. The Design & Creation Of Jewellery By Rober Von Neuman
     
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