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Pre-preg sheet production device

A manufacturing device and a technology for prepreg, which are applied in the field of related prepreg manufacturing devices, and can solve the problems of low tensile strength and toughness, anisotropy of mechanical properties, etc.

Active Publication Date: 2016-08-24
IHI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The tensile strength and toughness of the prepreg sheet are very high in the fiber direction (fiber length direction), that is, in the alignment direction, but the tensile strength and toughness in the direction perpendicular to the fiber direction (orientation direction) are relatively high. Low, so the mechanical properties are anisotropic

Method used

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Embodiment Construction

[0055]Hereinafter, the prepreg manufacturing apparatus of the present invention will be described in detail with reference to the drawings. In addition, in the following illustrations, each member is set to a recognizable size, so the scale of each member is appropriately changed.

[0056] figure 1 It is a plan view schematically showing one embodiment of the prepreg manufacturing apparatus of the present invention, figure 2 It is a side view schematically showing one embodiment of the prepreg manufacturing apparatus of the present invention. In the figure, reference numeral 1 denotes a prepreg sheet manufacturing apparatus.

[0057] This prepreg manufacturing apparatus 1 includes: an unwinding device 2 for unwinding a roll-shaped prepreg P1; The prepreg material P1 advances; and the transfer device 4, which introduces the prepreg sheet laminate P5 traveling on the main transfer path 3 and transfers it to the downstream side; The cut sheet forming part 5, the second prepr...

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Abstract

Provided is a pre-preg sheet production device (1) that connects pre-preg cut sheets atop a pre-preg base fabric (P1). The device is provided with a main transport path (3), a gap detection unit (10, 19) that detects a gap between front and rear pre-preg cut sheets (P2, P2), and a welding unit that welds the front and rear pre-preg cut sheets together via the pre-preg base fabric. The gap detection unit has a downstream pressing portion that presses a rear end of a leading pre-preg cut sheet, an upstream pressing portion that presses a front end of a subsequent pre-preg cut sheet, and a gap detection sensor that detects a gap between these pre-preg cut sheets. The upstream pressing portion is configured to guide the front end of the subsequent pre-preg cut sheet under the upstream pressing portion and restrict lifting of the front end.

Description

technical field [0001] The present invention relates to a prepreg sheet manufacturing apparatus. [0002] This application claims priority based on Patent Application No. 2014-76057 for which it applied in Japan on April 2, 2014, and uses the content here. Background technique [0003] Conventionally, CFRP and GFRP using carbon fibers or glass fibers as reinforcing fibers are lightweight and highly durable, and thus have been used as various components constituting automobiles, airplanes, and the like. As a method for molding such CFRP or GFRP, there is a well-known method. First, a plurality of prepreg sheets with a thickness of tens to hundreds of μm composed of reinforcing fibers and resin are laminated. A prepreg laminate is manufactured, and then a plurality of prepreg laminates with slightly different shapes are stacked to form a desired three-dimensional shape. [0004] The prepreg laminate is manufactured by laminating a plurality of prepreg sheets. The tensile st...

Claims

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Application Information

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IPC IPC(8): B29B11/16B29C70/06B29C70/10B29K105/10
CPCC08J5/24B29C70/545B29C70/202B29C2793/0027B29C2793/0081B29C70/304B29C70/50B29C70/546B29K2105/0872B29C70/30
Inventor 和田芳幸横浜真诚
Owner IHI CORP
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