Tire testing method and tire testing machine
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United States of America Patent
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Apr 26, 2016
Grant Date -
Dec 25, 2014
app pub date -
Apr 22, 2014
filing date -
Jun 19, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
To prevent occurrence of a slip between a tire and a drum and a flat spot on the tire and to reduce cycle time at a time of testing the tire, this tire testing method includes causing a control mechanism to control a motor to drive the tire to rotate at a predetermined rotational speed lower than a specified rotational speed if a linear sensor detects that the tire transported onto a center conveyor is sandwiched between an upper spindle and a lower spindle, and to control a moving mechanism to move a drum until the drum contacts the tire that rotates at the predetermined rotational speed. If a load cell detects the contact between the tire and the drum, then the control mechanism accelerates the rotation of the tire from the predetermined rotational speed to the specified rotational speed and increases a load applied to the tire by the drum, and the tire is tested.
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