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Electrical & Electronic Testing Devices

Leading Manufacturer, Supplier & Retailer of Electrical DC Upsetting Machines and Electrical Upsetting Machines.

Electrical DC Upsetting Machines

We offer electrical dc upsetting machines. heating transformer works on 3 phase 400vac.dc heating.no skin effect as in ac heating, thereby providing uniform heating across the cross section of the job.heating power infinitely variable by thyristor.auto indexing of anvil after every upsetting cycle.bulb temperature measured by optical infrared pyrometer and controlled by hydraulic servo valve.bulb shape is controlled without wrinkles by anvil speed control using another servo valve.maximum upsetting force 7000kgf.
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Electrical Upsetting Machines

We are offering electrical upsetting machines.A high density of electric current at very low voltage is made to pass through a portion of the end of the bar stock, which is held against an anvil and clamped between two jaws, to generate sufficient heat to make the portion red hot and plastic. An upsetting force is applied axially on the rod against the anvil making the portion, which is in plastic stage to deform into a bulb shape and to gather the required volume. This process is usually followed with a forging operation to get the required shape.Eta supplies production cell with single or twin upsetters and a servo forging press integrated with work handling system for automated production of ic engine valve forgings.
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