INTRODUCTION TO JEWELRY
Jewelry is that ornament which everyone likes to wear. Jewelry means any piece of precious metal which is used to fascinate yourself. Jewelry like the ring, bracelet, necklace, and other personal accessories is the demand of everyone, and all people love to have jewelry with them. Jewelry is made up of natural minerals like bone, shell, wood, and other stones. All these minerals are rough in-state but after certain treatments, they used to make jewelry.
ARTISTIC AND FASHIONABLE PURPOSE
Jewelry has been mostly used in art and is fashioned items. At some places, jewelry has been used as an accessory which enhances the standard and beauty of the people.
Some jewelry items like buckles, pins, and other accessories discovered the purely functional and practical things. They form as part of beautiful jewelry and have their own practical use.
Jewelry is also used to show the status of the person and to consider its display of wealth in many ways. Jewelry is used to enhance the culture and feelings.
CURRENCY AND INVESTMENT
In ancient times jewelry has been used as currency or as the barter system. It is also used for investment purposes for future benefits. Jewelry will be invested by many people.
In some parts of the country, it is usual to wear jewelry for devotional purposes, for some purpose of safety, or to save yourself from bad luck.
Jewelry manufacturing is the art of making jewelry by using several equipment and techniques on a large basis for other special purposes. This process is known as mass jewelry manufacturing.
PROCESS OF JEWELRY MANUFACTURING
The process for manufacturing of jewelry requires several steps.
The process of jewelry designing includes crafting, creating, and producing designs of jewelry. Jewelry designing is the prime step of manufacturing the jewelry item. Jewelry designs are made by the professional jewelry designers, who have high knowledge about the designs of pieces of jewelry. The designs of jewelry created by jewelry designers are made on the basis of future trends of jewelry and on the basis of the stability of jewelry in the future market.
Some jewelry items like buckles, pins, and other accessories are discovered because of functional and practical items. There are some jewelry items, whose functional and practical uses are diminished.
PRE- CASTING REQUIREMENTS
The process of Precasting needs certain things to be furnished.
CREATION OF MOLD/ CAST
The creation of a cast is the requirement of casting. Mold is the reversible shape of jewelry, is made from refractory material.
CREATION OF METAL ALLOY
While making the jewelry, metal like gold is not used in jewelry manufacturing because it contains pure twenty-four karat metal because of its softness.
METHODS OF CASTING
The casting of jewelry can be done by some popular methods, classified under.
LOST WAX CASTING
This is the most common method used for casting techniques. This casting method is made from melted wax and has been covered with fired clay.
Sand casting is the oldest form of casting technique. The technique is natural and has greensand which is packed with wood and metal. Mold is used to remove the casting.
Shell mold casting is similar to sand casting, which has a mixture of sand and resin, and holds grain. Its process is very cheap and has a good surface and geometry. This technique is made up of metal and has a two-piece pattern and is heated and coated with spray.
Plaster mold casting is similar to sand casting. This plaster is the substitute for sand. The plaster is composed of 70-80% gypsum and 20-30% water. The plaster has a good surface and accuracy. It is basically used for metals like aluminum, zinc, and copper and has the base of alloy.
It is similar to plaster mold casting. It has ceramic material and can be used instead of plaster. It also provides casting of good quality.
Die casting is the process of forcing the molten metal under high pressure and has steel molds. These molds are also called as dies.
Centrifugal casting is the process of casting the molds that are attached to the outside edge of the tube. This metal is liquid in form.
Continuous casting is the process in which metal casts are being produced by the casting on a regular basis. In this, liquid metal has been poured into the mold from the end.
It is the process of removal of casting investment from the casting tree. It is done with the help of two methods, they are Dry devestment and Wet devestment. In wet devestment, water has been used to break, and in dry devestment stripping devices has been used.
It is the process through which the surface of the piece has been cleaned and polished. It is an important part of the process of jewelry manufacturing because basically, all the jewelry items need finishing. It can be done in various different steps to modify the jewelry.
It cover-ups all the operational activities that alter the surface of the metal piece. Metal finishing can be done after casting of metal. Metal finishing can be done in various processes to clean the metal properly in a good way. It includes many things of finishing like cleaning, plating, and texturing.
It cover-ups all the operational activities that alter the characteristics of the gemstones to attain some property. It is performed after the process of mining of the gemstone. If a stone has been cut and polished in a good way, then it has been considered a beautiful finishing of the stone.