11 Apr 2008
ERJ staff report (DS)
Tianjin, China -- Tianjin Saixiang Technology (TST) said it has built a 33.00R51 radial off-road tyre on its uni-stage OTR tyre building machine. The company said the first tyre came off the machine on 20 March. Aside from its 3m diameter, TST said the tyre has a radial runout error off 0.72mm and weight variability of 1.5 percent.
The company claims this is the world's first unistage OTR tyre building machine.
TST said it has won CE certification for the machine. The overall footprint is 1500 m2 and the unit has a total weight of 800 metric tons. The highest point is 9.2 metres (28 feet). The company added, "The equipment is computer controlled with closed loop control. All building actions takeplace on a single linear guide rail."
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Website of TST (Chinese language)
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