THE AUTOMATED SYSTEMFOR THE PRODUCTION OF HIGH QUALITY GOLD AND SILVER GRAINS
FLAWLESS GRAINS PRODUCTION IN A SAFE AND TIMELY MANNER
T-Grains™ creates the ideal conditions for the production of prime-quality gold and silver grains. Our automated system consists of several machines which can replace the operators' lengthy and hazardous manual task of pouring molten metal in the graining tank. Moreover, the installation was conceived in such a way as to avoid a decrease in melting temperature, while metal is being moved to the graining tank. This was made possible by placing the metal casting die inside a heated housing provided with a specific inductor.
But there is more. Thanks to T-Grains™, we have minimized the contact time between molten metal and air, and hence oxygen. This is particularly important for the production of flawless grains.
Since the water temperature, with which the molten metal comes into contact, is also key to achieve high-quality gold and silver grains, the T-Grains™ graining tank is also connected to a cooling system by a recirculating pump.
The system ensures therefore that the cooling water maintains a constant temperature for each production batch.
In order to process different metals, one tilting furnace can be used and specific crucibles for each metal type can be installed. However, in order to avoid cross contaminations, all the following production steps must be carried out in different machines for each metal type. As a matter of fact, in order to obtain metal grains as pure as possible, one may use the same tilting furnace for all metals, but the pouring channel, the heated die, the tank as well as the bucket conveyor belt must be different for gold and silver.
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CRITICAL ISSUES AND DISADVANTAGES OF THE TRADITIONAL SYSTEM
- The molten metal is poured manually in the graining tank by operators who handle the crucible directly.
- Operators are at high risk of burn injuries or heat radiation effects
- Heat is frequently dissipated when metal is transferred from the crucible to the water
- In order to collect the grains at the bottom of the tank, the tank must be emptied and refilled
- The amount of grains produced depends on the operator efficiency
- The grains are not completely oxygen-free
THE ADVANTAGES OF AN AUTOMATED SOLUTION
- Molten metal is poured in the graining tank in a semi-automated way, without any direct contact between operators and the crucible, via fixed or wireless control devices.
- Low risks for operators who control the furnace remotely via a remote control
- Nearly no heat is dissipated, since the heated die allows the metal to recover heat and metal comes immediately in contact with the water in the graining tank
- The grains are discharged from the bottom of the tank in an automated way through two Pinch™ valves
- Increased work speed
- Very high-quality grains free from oxygen particles
GOLD AND SILVER GRAINING MACHINE
THE T-GRAINS™ GRAINING MACHINE WORK?
T-Grains™ is an automated system consisting of several machines: a remote-controlled tilting furnace, a heated die, a temperature-controlled graining tank with the Pinch™ double valve and a bucket conveyor belt called T-Lift™.
The processing of grains begins in the tilting furnace. The fine metal reaches here its melting point and operators, through a remote control, pour it into a graining tank which is located very close by.
The metal is poured through a heated isostatic graphite die which makes sure that metal temperature does not drop below its melting point - which is the ideal temperature for the production of high-quality grains - before it comes into contact with the cold water contained in the graining tank.
Once produced, grains settle on the bottom of the tank; however, the tank does not need to be emptied, since grains are discharged by opening the Pinch™ double valve and operating the T-Lift™ bucket conveyor belt at the same time.
AUTOMATION FOR SUPERIOR QUALITY GRAINS
Each Tera Automation machine can be conceived as part of a modular line which can be combined according to the company's needs and facility space. Each machine can be fitted to existing machines and a full line can be developed over time.
T-Grains™ was designed with the purpose of producing flawless grains intended for ingot casting, and can be combined with other machines, according to each operator's specific needs.
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FULL, IMMEDIATE SUPPORT WITHOUT BORDERS
A support service can be deemed efficient, only if it does not require halting production for long periods of time, wherever the customers might be in the world.
Our support team can be reached via direct call, remotely or with maintenance contracts. That means saving time and money.
Constant availability of spare parts
Our support service is particularly efficient, because we provide spare parts which are manufactured even with our own CNC machine, our warehouse is fully stocked with the most important spare parts and we guarantee a fast delivery.
Along with the T-Grains™ graining machine, we provide an original Tera Automation spare parts package, so as to ensure that the machine always operates at full potential. Keeping a stock of the main spare parts is absolutely essential to guarantee production continuity and carry out simple maintenance tasks in an effective and timely manner. Our support team will create the spare parts package most suitable for your needs.
ASK FOR MORE INFORMATION
TERA AUTOMATION S.R.L.
Via Romena, 7/9 - Loc. Porrena
52014 Poppi (AR) - Italy
Phone: +39 0575536625
Fax: +39 0575539851
USA: New York