2017 Shenzhen jewelry exhibition will be held on September 14-18 at the Shenzhen Convention and Exhibition Center, there will be all kinds of jewelry manufacturing enterprises around 2300, about 700 enterprises, the annual processing worth more than 80 billion yuan, about 200 thousand employees in China, is one of the leading position, is worthy of …
In the casting of models for the production of jewelry, a major problem being faced by producers often has to do with the occurrence of various forms of defects. These defects take place at difference stages of the production process and a source of revenue loss. Experienced players in the jewelry production industry are always …
Guide to Cast Top Quality Jewelry: Problems and Solutions Read More »
Before gold and other precious metals can be converted into jewelries and used for various other purposes. They have to go through a refining process to get them into a useful form. This is to ensure enhanced purity and fluidity to make it easier to form into different shapes. Smelting is an integral part of …
Why do we need to refine gold? The answer is very simple: We cannot use gold in its raw form. It is a precious, noble metal that comes in different forms: As an alloy of silver and platinum, an amalgam, as a part of a stone, or in scattered particles. Or you may even decide …
How to Refine Gold: 2 Major Techniques of Gold Refining Process Read More »
So, what happens after you have mined, processed, and refined or purified your gold? The simple answer is: To use it! This brings us to gold casting, which is the final step or process in gold-making. So, what is gold casting?After refining your gold, all you want to do is to cast it in the …
“Gold is the corpse of value”⋯ Neal Stephenson. The above quote is a simple yet succinct summary of what gold has come to represent both in ancient and modern society. Gold is symbolic of value both literally and metaphorically. At a current price of about $1,300 per ounce, gold is one of the most expensive …
How to Identify Gold: 13 Ways Tell You If Gold Is Real and Avoid Fake Gold Read More »
It is generally believed that the quality of a gold bar depends entirely on the gold bar casting method used in producing it. Over the years, different approaches for casting gold bars have emerged, from the traditional method to Induction Tunnel Systems. However, Vacuum Gold Bar Casting has turned out to be the most effective …
In order to enhance the cohesion of our team, we cultivate team members’ hard-working and courageous dedication to promote the communication between team members, and we have organized this outdoor development in the combination of work and rest. Our destination is the Nan’ao outdoor development base. We entered the field, CS activities, water activities and …
Basic Operation Steps of the Power Unit: Pre-start: Connect the external power, and turn on the Air Switch on the back panel; Turn on the cooling water inlet, and check the outlet of the cooling water to make sure the status of water recycle; Medium frequency power supply PLC operation procedures: After the above steps, …
Gold melting and smelting are metallurgical procedures you can use to concentrate and recover gold. However, most people tend to confuse the two. So, let’s begin by defining each process. Melting is the process of changing gold from solid to liquid state. These could be scrap gold such as jewelry, coins or fittings. On the …
Difference between Gold Smelting Equipment and Gold Melting Machine Read More »
Gold/silver vacuum jewelry casting machine is designed for jewellery castings. This machine is designed to meet the more severe needs in wax casting production. This machine works with new concepts and has several advantages as compared to other ordinary machines. Jewelry vacuum machine benefits over ordinary machines are as follows: Comparatively more space for metal …
Induction System Principle The high-frequency and high-frequency current flows around the heating coil which is made of circular or other shapes, (Usually with made of copper), great and instant magnetic bundle will be produced in the induction coil, This coil is either free standing for heating applications or placed inside of a furnace that acts …
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