High-fatigue-resistance composite material automobile plate spring and manufacturing method thereof
A composite material and automobile plate technology, which is applied in the field of high fatigue-resistant composite material automobile leaf spring and its production, can solve the problems of inability to achieve the strength between high-rise layers, not meeting industrialization requirements, and cumbersome preform process. Excellent shearing, high stiffness and light weight results
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[0030] Such as Figure 4 As shown, it is a kind of high fatigue resistance composite automobile leaf spring provided by the present invention. At least one layer of two-dimensional braided sleeve on the outer surface.
[0031] Such as Figure 1 to Figure 3 Shown, the present invention also provides the manufacture method of this high fatigue resistance composite material automobile leaf spring, comprises the following steps:
[0032] Laying the at least one unidirectional fiber layer 1 in layers;
[0033] The at least one layer of two-dimensional braided sleeve 2 is covered with the at least one layer of unidirectional fiber layer 1 to prepare a fiber preform (such as figure 2 and image 3 shown), the number of unidirectional fiber layers and the number of two-dimensional braided sleeve layers can be adjusted according to the required stiffness, strength and product thickness to prepare a fiber preform;
[0034] The fiber preform is put into the forming mold, impregnated...
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