Diploma in Jewellery Manufacturing (D.J.M.)

Objectives:
In this course an aspirant will learn manual & casting jewellery manufacturing like melting of metal, soldering, piercing, metal model making, rubber mould packing, vulcanizing, cutting, wax injecting, wax tree making, investment mixing, de-waxing, casting, setting, finishing, polishing, plating etc...

After completion of the course, candidate can establish his/ her own unit of jewellery manufacturing. Can operate jewellery manufacturing unit. Do job in jewellery manufacturing unit.

Syllabus:

• Introduction to tools, consumables and equipments used in the jewellery manufacturing.
• Safety measures taken while making jewellery
• Dimensions used in the jewellery
• Necessity for Alloying and How to melt the Metals
• Rolling mill - operation and use
• Wire Drawing machine - operation and use
• Use of files & Filing Techniques
• Tracing, Piercing, Bending, wire work, forging, etc
• Soldering technique and Soldering practice
• Practical considerations during soldering
• Make different types of collets for prong, Bezel etc…
• Making of rings and Principle of ring sizing,
• Making of pendants of various shapes
• Earring making with clutch
• Operation of Vulcanizer
• Rubber Mould Packing, Vulcanizing and Cutting technique
• Wax injection procedure and Operation of Wax injector
• Wax tree making.
• Contents of Investment powder and Investment mixing
• De-waxing procedure
• Purpose of Burnout cycles
• Different Burnout cycles used in the casting
• Melting metal in the crucible, stirring procedure
• Operation and use of casting machine
• Precautions to be taken during melting of metal for the casting
• Cleaning of investment powder from metal tree
• Defects in casting
• Analysis of defects in casting
• Introduction for different stones used in the jewellery and its cuts and shapes
• Preparation of gravers and tapping tool for master setter
• Different types of Pave and Prong Setting
• Channel setting in RBC, Baguette
• Different types of fittings and hooks used in the jewellery
• Technique of filing, Finishing and polishing
• What is polishing and necessity for polishing?
• Necessity for Emery polish and Use of all the kind of emery papers for jewellery polishing
• Use of emery mandrels, Emery sticks and Emery boards
• Thread polishing
• Buffing
• Use of Dust collector
• Operation and use of Ultrasonic cleaner, Steam cleaner and Magnetic polisher.
• Technique for collection of dust of the filings
• Plating Techniques
• Hands on Practice

Batch Commences: Batch system is not applied on this course. Candidate can join as per his/ her convenience.

Required Documents: Copy of Photo ID, Academic Proof, Birth Proof, 2 Photographs.