| 摘要 |
PURPOSE: A curing method of a TB(Truck and Bus) tire is provided to improve the molding performance of a green tire in curing the TB tire, to shorten the curing time, and to improve quality. CONSTITUTION: A curing method of a TB tire comprises steps of supplying steam the pressure of which is 15¯25 kg/cm2 and the temperature of which is 200¯230 degrees centigrade, to the inside of a bladder(3) for 3¯4 minutes; supplying the steam for 5¯9 minutes to the inside of the bladder and supplying steam the temperature of which is 130¯150 degrees centigrade to the inside of a dome(4); circulating and supplying high-temperature water the temperature of which is 160¯180 degrees centigrade, to the inside of the bladder for 2¯3 minutes; supplying the high-temperature water of 160¯180 degrees centigrade to the inside of the bladder for 20¯40 minutes while supplying steam of 130¯150 degrees centigrade to the inside of the dome; gradually reducing pressure while mixing and supplying steam, the pressure of which is 15¯25 kg/cm2 and the temperature of which is 200¯230 degrees centigrade, and high-temperature water the pressure of which is 2¯4kg/cm2, for 1¯2 minutes; and discharging a cured medium from the bladder and the dome.
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