Manufacturing Process & Quality Assurance

Paper Code: 
24MJD221
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

 

Course Outcomes: 



Course

Learning outcomes

(at course level)

Learning and teaching strategies

Assessment

Strategies

COURSE Code

COURSE Title

24MJD  221
Manufacturing Process & Quality Assurance

 

 

 

 

CO31: Understand the techniques, process terminology, tool & materials used in commercial jewellery manufacture & mass production.

CO32: Gain a comprehensive understanding of soldering fundamentals, including the meaning of soldering, types of solders, and the role of flux in the soldering process.

CO33: Familiarize themselves with different types of clips and connections and the uses

CO34: Create specific and original design and clear processes in production.

CO35: Aware about quality control process and finishing of products .

CO36 : Contribute effectively in course-specific interaction

Approach in teaching: Interactive Lectures, Discussion, Tutorials, Reading assignments, Demonstration, Team work

 

Learning activities for the students: Self-learning assignments, Effective, Effective questions, Seminar presentation, Giving tasks

Class test, Semester end examinations, Quiz, Solving problems in tutorials, Assignments, Presentation, Individual and group projects

 

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: 
  • Untracht, O. (2011). Jewellery concepts & technology. Doubleday.
  • Codina, C. (2007). Goldsmithing & silver work: jewellery, vessels & ornaments. Sterling Publishing Company, Inc.
  • Loney, J. (2009). Metal Jewellery Made Easy: A Crafter's Guide to Fabricating Necklaces, Earrings, Bracelets & More. Sterling Publishing Company, Inc.

 

Academic Year: 
2024-2025
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