Flat belt
A flat belt and wide bandwidth technology, applied in the field of flat belts, can solve problems such as unstable running, easy slipping, and difficult transmission
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no. 1 approach
[0054] figure 1 and figure 2 The first embodiment of the flat belt according to the present invention is shown. figure 1 It is a sectional perspective view and schematically shows the flat belt B in this 1st Embodiment. figure 2 is a sectional view schematically showing the structure of the flat belt B.
[0055] Such as figure 1 and figure 2 As shown, the flat belt B includes an adhesive rubber layer 10, an inner rubber layer 11 as a first rubber layer, and an outer rubber layer 12 as a second rubber layer. The adhesive rubber layer 10 is formed in an endlessly extending ring shape. The rubber layer 11 is laminated on the belt inner side of the adhesive rubber layer 10 , and the outer rubber layer 12 is laminated on the belt outer side of the adhesive rubber layer 10 . The inner rubber layer 11 has, on the surface opposite to the adhesive rubber layer 10 , a contact surface that is in contact with a pulley for winding and running the belt. This flat belt B is formed, ...
Embodiment approach
[0070] In the first embodiment described above, the thicknesses of the cord inner rubber layer 10 a and the cord outer rubber layer 10 b are equal, but the present invention is not limited thereto. The thicknesses of the core inner rubber layer 10 a and the core outer rubber layer 10 b may be different from each other.
[0071] If the thickness of one of the core inner rubber layer 10a and the core outer rubber layer 10b is less than 0.8 times the thickness of the other rubber layer, the inner rubber layer 10a and the outer rubber layer 10b are The difference between the expansion and contraction degrees of the two layers is large when the temperature changes during running, so the adhesive rubber layer 10 itself tends to warp in the width direction. On the other hand, if the thickness of one of the rubber layer inside the core wire 10a and the rubber outside the core wire 10b is thicker than 1.25 times the thickness of the other rubber layer, the rubber layer inside the core ...
Embodiment
[0080] Next, examples for concretely implementing the present invention will be described. In this example, a running test was performed on the flat belt B in the example, which is the flat belt in the present invention, and the amount of warping of the inner rubber layer 11 with respect to the amount of wear was measured. Here, the amount of warpage refers to the amount of deformation by which the inner rubber layer 11 of the flat belt B is deformed from the initial state.
[0081] The flat belt B in the example has the same structure as the flat belt B shown in the above-mentioned first embodiment. The core wire 13 has a structure in which aramid core wires each having a diameter of 2400 denier are bundled together, and the overall diameter is about 0.5 mm. The adhesive rubber layer 10 contains aramid fibers as short fibers. It should be noted that the inner rubber layer 11, the cord inner rubber layer 10a, the cord outer rubber layer 10b, and the outer rubber layer 12 of ...
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Abstract
Description
Claims
Application Information
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