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Case : Cloning and Modification of Cluster Ring.

Industry: Jewelry Manufacturing

Background:
The customer is a manufacturer and exporter of diamond studded jewelry, located in EPZ/EOU in SEEPZ, Mumbai, and caters to American and other international markets.

Requirement:
Customer had got a diamond studded jewelry piece (one of the very popular designs) and wanted it to be replicated and modified according to different total weight (TW) i.e. 1/4 ct, 1/2 ct. But ensuring that the overall look remains similar.

Issues in conventional model making method:
The look of the gold ring was not working out as per the given breakup of diamonds. They were not able to give the symmetry to the model, which was a prime consideration. Also the desired gold weight was too light to be handmade.

Solutions:
Our project engineer with a jewelry specialization carried out the project by collecting data from Design Department. The data collected was used to generate basic 2D wireframe on CAD and then the 3D model was created. This was supposed to be of parametric nature so as to allow modifications for different diamond sizes. It took a very systematic study of geometry and technical details of jewelry to ensure fulfillment of the customer's need. Finally a parametric CAD file was made with different total weights. The final gold weight was calculated in the software, which came out to be lesser than the customer's gold sample weight.

Manufacturing Process:
This CAD file was exported in .STL format and was processed on a SLA Rapid Prototyping Machine. This machine gives a plastic like resin output.
This plastic model was cleaned for removal of supports. This finished plastic model was then cast in silver of which the master silver model was obtained. From this silver model a wax injection rubber mould was made and then this wax model was investment cast in gold. The final gold sample was approved by the customer and the total weights were achieved.
Resources used:
Software used: I-DEAS 8.
Rapid Prototyping: Done Using SLA Rapid Prototyping Method.
Time Taken: 8 Hours ( to make the CAD model) and 6 Hours for the Rapid Protoype.

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Case : Cloning and Modification of Cluster Ring. Industry: Jewelry Manufacturing
	Background: The customer is a manufacturer and exporter of diamond studded jewelry, located in EPZ/EOU in SEEPZ, Mumbai, and caters to American and other international markets.
Requirement: Customer had got a diamond studded jewelry piece (one of the very popular designs) and wanted it to be replicated and modified according to different total weight (TW) i.e. 1/4 ct, 1/2 ct. But ensuring that the overall look remains similar. Issues in conventional model making method: The look of the gold ring was not working out as per the given breakup of diamonds. They were not able to give the symmetry to the model, which was a prime consideration. Also the desired gold weight was too light to be handmade. Solutions: Our project engineer with a jewelry specialization carried out the project by collecting data from Design Department. The data collected was used to generate basic 2D wireframe on CAD and then the 3D model was created. This was supposed to be of parametric nature so as to allow modifications for different diamond sizes. It took a very systematic study of geometry and technical details of jewelry to ensure fulfillment of the customer's need. Finally a parametric CAD file was made with different total weights. The final gold weight was calculated in the software, which came out to be lesser than the customer's gold sample weight. Manufacturing Process: This CAD file was exported in .STL format and was processed on a SLA Rapid Prototyping Machine. This machine gives a plastic like resin output. This plastic model was cleaned for removal of supports. This finished plastic model was then cast in silver of which the master silver model was obtained. From this silver model a wax injection rubber mould was made and then this wax model was investment cast in gold. The final gold sample was approved by the customer and the total weights were achieved. Resources used: Software used: I-DEAS 8. Rapid Prototyping: Done Using SLA Rapid Prototyping Method. Time Taken: 8 Hours ( to make the CAD model) and 6 Hours for the Rapid Protoype.
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