High Capacity Rubber Buffer Spring, Application Industrial, UsageApplication Automotive Industry, Material Stainless Steel

Miners u. S. A., R. F, 8 rubber pads for high tensile coupler, Types rf, 361 and sl, 76 for heavy haulage freight wagons, Used in high tensile couplers for wagon. Efficiently replaces steel spring. Good capacity under specified deflection. Effortless installation process and maintain. Ability to stand varying weather condition and wide temperature range without deterioration in functional properties. Standard size 287 mm x 197 mm x 42 mm. Minimum capacity 450 kgm for a set of two springs. Polymer usednatural rubber suitably blendedoperation temperature, 10 c to 70 coperational atmosphereheavy/dusty/sandy/corrosive/saltyoperational humidity0 to 100%metal parts specsteel is 2062, Fe 410 wa shore a hardness65 to 75 ash content5% maximumspecific gravity1. 25 maximumtensile strength180 kg/cm2 minimum. Elongation at break300% minimum. Modulus at 200%40 kg/cm2 minimumbond strength600 psi / 42. 18 kg/sq. Cmcompression set30% max. After heat ageing change in sh, 5,, 0change in ts 20%change in eb 30%change in modulus 20% compressive load, Deflection characteristicstest parameters temperature 27 2 c & machine speed 10 5 mm/min, Dead load 50 kgload 2. 25 ton, Deflection 10 to 12 mmfatigue test, Vertical modefrequency 2 hzload 0, 3. 5 toncycle 10, 00, 000 minimumpermanent set after test completion 1. 5 mm maximumfatigue test, Longitudinal modefrequency 2 hzpre, Compression 2. 5 tondeflection 0, 27 mmcycle 10, 00, 000 minimumpermanent set after test completion 1. 5 mm maximum high capacity buffer spring 4 nos. In each set