• Sterling Abrasives Limited

Vacuum furnace - TRIBO VAC

Chennai-based Tribology India Limited offers vacuum furnace - TRIBO VAC. The equipment is a double chamber cold wall type supplied by Lindberg, USA - a leading name in the field of vacuum furnace manufacture. This vacuum furnace eliminates the scaling and decarburisation, unavoidable in atmosphere, by shutting out atmosphere. The radiation mode of heating ensures that the work pieces and the heating elements reach the set temperature almost simultaneously with practically minimum time lag. This furnace has the charge basket of size 900 mm x 600 mm x 450 mm with batch quantity capacity 300 kgs. Maximum temperature of the product is 1,200 deg C with temperature uniformity of 5 deg C. Ultimate vacuum of the unit is better than 2 x10^-2 torr. The quenching mediums are nitrogen, argon, and helium. The quenching with the inactive gas nitrogen enables distortion-free heat treatment. The process control is made through programmable PLC and PID controllers. It finds applications in annealing, stress relieving hardening, tempering, normalising of stainless steel and tool steels. It is used for forging, extrusion, casting, and brazing in copper, silver, nickel, and aluminium.