The tire building drum comprises a hollow main shaft and an inner shell collapsing mechanism as well as an outer shell collapsing mechanism which are nested on the hollow main shaft, which is characterized by: the inner shell collapsing mechanism comprises an inner shell telescopic sleeve nested on the hollow main shaft, the fixing ring sleeved on the inner shell left hinge seat of the inner shell telescopic sleeve and the sliding inner shell right hinge seat matching nested on the right side of the inner shell telescopic sleeve.
The utility model tire building drum solves the limitation that the collapsing radius of the traditional forming drum cannot be sufficiently small by adopting the double-layered collapsing manner of the inner and outer shells, so that the collapsing radius of the building drum can reach a satisfactory collapsing radius, and the large enough diameter of technological requirements can be achieved when expanding, thus making the production process easier and faster.
Customized various tire building drums for Bias Tires, Engineering Tires, Agricultural Radial Tires, etc.
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Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia