Crane Brake System (ELECTRO HYDRAULIC THRUSTOR OPERATED BRAKE)

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ELECTRO HYDRAULIC THRUSTOR OPERATED BRAKE Type:MTOB To calculate the size of Electro magnetic Brake for a given application it is necessary to take into consideration the H.P. Rating and speed in R.P.M. to obtain the required retarding torque. The basic formula against which calculations are made is : Torque in Kg.M. = (71620 x H.P.) / (R.P.M. x 100) OR = (975 x KW) / RPM Electro Hydraulic Thrustor Brake is a heavy duty brake designed to withstand the severe duty conditions imposed by heavy duty machinery in various industries. The Electro Hydraulic Thrustor transmits useful thrust through the levers onto the brake shoe thereby releasing the brake. When the power is switched off, the brake is smoothly applied because the hydraulic thrust acting against the spring pressure is gradually reduced. Drum Dia in Width of shoe face in BRAKING TORQUE IN KGM. * Approximate HP at 1000 r.p.m. Types mm mm A B C D E 100 57 6 - - - - 8 150/160 70 9 - - - - 12.5 200 89 20 32 - - - 25/45 250 110 35 42 - - - 45/55 300/315 130 43 62 - - - 60/85 400 150 80 90 110 - - 110/125/150 500 178 - 185 190 - - 255/265 600 203 - - - 400 600 555/835 Features:: SHOES The brake shoes are self aligning type and are fitted with best quality brake lining with large cooling surface. The lining is designed for high temperature resistance thereby preventing the shoe from getting heated-up. COMPRESSION SPRINGS The compression springs are made of best quality spring steel and are properly heat-treated to give correct hardness. The compression springs provide the necessary working pressure to apply the brake when the power is switched off. The Solenoid or Thrustor exerts a force against the spring pressure and releases the brake when the power is supplied to the magnet or Thrustor.