PREMET Technologies FZE, was founded in January 2015 in Saif zone Sharjah UAE. The company was founded by Mr Dipen Shah , A graduate Mechanical Engineer with more than 21 Years of Techno commercial experience specially for the Precious Metal.. Read More
Our technology allows to obtain excellent results in the annealing and deoxidation of wires, strips, casting products and, in general, all the products made of precious alloys. The furnace is composed of: Refractory steel shovel for the manual loading Heating chamber made of special refractory steel alloy, designed for controlled atmosphere Stainless steel and refractory steel cooling chamber Stainless steel cooling tank Stainless steel basket for the manual discharge Automatic regulation of temperature Weekly and daily timer for automatic switching on/off Timer to set the annealing time. Buzzer alarm at the end of the cycle. The furnace can be required with ammonia dissociator or, alternatively, with hydrogen and nitrogen gas mixer. Advantages Homogeneous annealing all over the length of the useful chamber High deoxidizing standard which makes the furnace useful for the finished products, too.
Inextensible Mono station injector. Equipped of one melting tank, one vacuum meter for checking the vacuum inside the mold, RFID microchip reader is included. Micro syringe of 12 cmc with final setting up of the temperature and autocentering clamp with plates 120x90x(8-45)* mm. Compact and Inexpensive Compact and small Medium-small waxes Production of 2.000 pcs/day Only one operator  Machine: 42 kg - 60x38xh53 cm Wooden box: 68 kg - 83x50xh70 cm. (*) for special requests plates 120x120x(23-60) mm. Automatic Belt System Double the Standard Production Simplifies the production process Injector Intuitive - quality&flessibility 20 different mold for thickness&dimension in the same batch Medium-smaller waxes Reduced number of defected pieces No stress for the operator  Moves automatically the molds into the injection area and then into the cooler. In the same batch allows to work up to 20 different molds in thickness and dimensions. Equipped of one melting tank, one vacuum meter for checking the vacuum inside the mold, RFID microchip reader, T-600 cooler and tablet Google Nexus 7. Micro syringe of 8 cmc with final setting up of the temperature and auto centering clamp with plates 120x90x(8-45) mm. Machine:  95 kg - 130x72xh53 cm Wooden box:  130 kg - 152x92xh85 cm. Bi Maxi Intuitive Well-Rounded for Special Moulds For smaller and bigger waxes Only one operators on two working positions in order to avoid any "dead" time Optional: double tank  Independent, inextensible Bi injector station. Equipped of one melting tank, one vacuum meter for checking the vacuum inside the mold, RFID microchip reader is included. Syringe of 12 and 120 cmc with final setting up of the temperature and auto centering clamp with plates from 50x30x8 mm to 250x155x80* mm. Machine: 65 kg - 110x38xh53 cm Wooden box: 97 kg 121x47xh70 cm. (*) for special requests plates from 185x155x70 to 330x180x90 Bi Intuitive Compact and Inexpensive The most inexpensive as working position Medium-smaller waxes Prod. 4.000 pcs/day One/two operators Optional: double tank  Injector with two independent inextensible working stations. Equipped of one melting tank, one vacuum meter for checking the vacuum inside the mold, RFID microchip reader is included. Micro syringe of 12 cmc with final setting up of the temperature and auto centering clamp with plates 120x90x(8-45)* mm. Machine: 58 kg - 90x38xh53 cm Wooden box: 90 kg - 121x47xh70 cm. (*) for special requests plates 120x120x(23-60) mm. Mono Maxi Intuitive Well-Rounded for Special Moulds The strongest of the serial Bigger waxes Only one operator  Inextensible Mono station injector. Equipped of one melting tank, one vacuum meter for checking the vacuum inside the mold, RFID microchip reader is included. Syringe of 120 cmc with final setting up of the temperature and autocentering clamp with plates 250x155x(45-80)* mm. Machine: 54 kg - 81x38xh53 cm Wooden box: 85 kg - 121x47xh70 cm. (*) for special requests plates 185x155x70mm or 330x180x(70-90) mm Vacuum Industrial Wax Injector Technical Description Injection by pressure Precise, Accurate & Strong Repeatability of the process Programmable & easy to use Injectable from the top or from the bottom  Equipped of one melting tank, vacuum meters for vacuum control inside the mold and tank, RFID microchip reader, injection syringe of 1 kg with final temperature setting up and clamp for molds with maximum dimension of 290x290x155mm. Tank capacity: 30 lt. Machine: 80 kg - 120x76x110cm. Vacuum pump included.
All the G.B. F.LLI BERTONCELLO models of melting furnaces, mod. BETA static, mod. IDEAL with tilting crucible, mod. MINI - mod. DELTA - mod. LARRY with vertical continuous casting, mod. LOGIC with horizontal continuous casting, have been designed by our engineers to achieve the best metallurgical quality on precious metal alloys melting process, with optional 1500°C melting temperature as require d by some special alloys. Advantages Silent working High-performing medium frequency induction generators Stainless steel frame Perfect homogeneity of the alloys thanks to our Pulse Mixing System Quick melting Easy control of the working parameters by PLC and touch screen video, temperature control by thermocouple, optional by optical detector Monitor display for self-diagnosing and possible alarms with buzzer Possibility to save the working recipes and parameters Programmed maintenance with display warning Protective gas injector to prevent metal oxidation Graphite crucible with ceramic casing Tongs to handle the extractable crucible
TIP furnaces are designed to manufacture any size of ingots, from 100 g to kilo-bar either in gold or silver. Ingots are obtained by melting pre-weighted grains in a graphite mould placed inside the vacuum chamber and then by cooling appropriately the ingot during the solidification phase. The machine is fully automatic having more than 100 programs for different ingot sizes. The operator only has to load the graphite mould with pre-weighted grains into the holding disk, close the loading chamber and press the START button to launch the automatic cycle. At the end of the cycle the furnace will return the gold or silver bar ready for the market stamp. In order to increase productivity, the system has been conceived with 2 loading chambers and one melting chamber. This configuration allows for melting the next ingot while the previous one is cooling. This overlapped working mode is also important to decrease the running cost of the process because they are mainly related to the graphite mould consumption. A colder graphite mould in output increases the life of the same. The heart of the machine is the induction generator and its coil, designed to maximize the heat transfer during the cycle. After loading the graphite mould, a pneumatic jack will lift the part up perfectly into the center of the magnetic field and the melting step will begin. All melting and cooling process occur in a closed chamber in which vacuum and inert gases guarantee no metal or graphite oxidation. Gas can be chosen between Argon or Nitrogen. Â Â
TCC - Vacuum Continuous Casting Machines TCC Vacuum Continuous Casting machines have been design with the most up-to-date technologies to give you semi-finished products with the best quality and in the shortest time. With only one machine, you will be able to obtain the semi-finished product you desire, such as wires, sheets or tubes. TCC machines are equipped with Gas Wash Purge procedure which removes oxygen with the vacuum pump and fills back the melting chamber with inert gas, preventing the oxidation of the alloy in a very fast and efficient way.  Medium frequency induction heating stirs the melted alloy and leads to a perfect homogeneity, while the temperature is constantly monitored by two independent temperature controls. As on option, it is possible to have an additional vacuum loading chamber, positioned on top of the cover with automatic crucible feeding mechanism, for continuous production.  During drawing, the temperature of the die is constantly monitored to obtain always the best density and quality in the semi-finished products. In addition, there are two independent temperature controls for preventing liquid metal leakage, one of them with an optical pyrometer aiming directly on the bar coming out from the die. The drawing unit can also be equipped with an extra induction generator, which allows to restart the cycle after the production shutdown.  Pulling unit is equipped with devices for automatic detection of slippage phenomena between the roller and the semi-finished product. Another specific device will also detects the end of the cycle, when the bar reaches its end.  To reduce the risk of oxidation during drawing, the semi-finished products are under a constant inert gas flushing as they come out of the die.  In addition, when a quicker cooling is required, semi-finished products can be cooled down by a direct water sprinkle aiming on their profile.  Hydraulic cutting on the run is available on request, with automatic and programmable measurement of the profile length.
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