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| MANUFACTURING PROCESS | ||||||
We use our latest imported AMADA, JAPAN make CNC machine for entire punching, notching, piercing, shearing and forming. After this process, we make the necessary bending by CNC Press Brake machine of AMADA, JAPAN make. As the total process is taken automatically by the signals of special software, programmed through AutoCAD, the accuracy of every operation is upto a tolerance of +/- 0.005%. Where ever any bracket is to be welded it is done through spot welding without use of grinding machine. After completing the entire fabrication, all the sheet metal components undergo for anti-corrosive 7-tank hot phosphate process, i.e., alkali prickling for removing oil and fats, water rinsing to take out the scaled oil fats after alkali prickling. Then acid prickling is done for removing the corrosion scales and washed by water rinsing and further carried to phosphating in hot condition with a bath temperature of 70 to 80 Degree Centigrade to deposit a layer of phosphate, having thickness of 10 to 15 Microns and then washed by agitated water and finished by passivation bath. All the prickling takes place in automatic conveyor, electronically programmed and sensed by PLC. Further the treated sheet metal components undergo powder coating by a totally automatic process and the coated powder is baked in a heating furnace with a maintained temperature of 250 Degree Centigrade. This process builds up a bonding of polyvinyl 80-micron hard thick layer of powder paint, which gives an excellent finish and long life to the sheet metals providing anti-corrosion. The assembly shop is equipped with latest numeric tools for drilling, screwing, tapping. All the Bus Bar is fabricated by hydraulic programmable bending machine & cutting machines, which give a perfect finish with accurate punch & cut to the Bus. All the wiring is being done with adequate quality, highly insulated flexible copper wire, ISI marked with every end lugged with copper socket and all the marking ferrule printed with proper level by programmed electronic machine which gives a perfect finishing to the marks. Finally, the finished panels undergo routine test by calibrated instruments for continuity, high-voltage insulation, high-voltage breakdown, primary and secondary injection etc. |
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