Integrated testing device for compaction characteristics and permeability performance of vacuum-assisted forming fiber fabrics
A technology for fiber fabrics and testing devices, which can be used in measurement devices, textile testing, permeability/surface area analysis, etc., and can solve problems such as low accuracy and high testing costs.
Active Publication Date: 2016-04-27
北京博简复才技术咨询有限公司
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Problems solved by technology
It can be seen that the conventional and recently developed fiber fabric permeability test methods have the problems of low accuracy and high test cost. The integrated test of compaction characteristics and permeability performance not only has important application value, but also has certain technical difficulties. It needs to take into account the influence of many factors to achieve accurate measurement
Method used
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[0024] The present invention will be described in more detail below in conjunction with the accompanying drawings:
[0025] The invention is an integrated testing device for the compaction characteristics and permeability performance of fiber fabrics applied in the vacuum-assisted forming process (please refer to figure 1 and figure 2 ), the test device is composed of a pressure control system 1, a fabric performance test device 2, a fiber fabric thickness test system 3, a fiber fabric pressure test system 4, a container 6 for the soaking liquid, and a host computer 5. The flow pipe 7 is connected with the fiber fabric performance testing device 2, and the fiber fabric thickness testing system 3 is connected with the fiber fabric performance testing device 2 by using nuts 8 up and down the aluminum plate beam 21, and is connected with the upper computer 5 through the USB data connection line 10. connected. The fiber fabric pressure testing system 4 is fixed on the fiber fab...
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The invention provides a vacuum assisted resin infusion fabric compacting characteristic and permeability performance integrated testing device. The invention for the first time provides a fabric compacting characteristic and permeability performance integrated testing idea in vacuum assisted resin infusion, the device is capable of performing integrated experiment test of fabric compacting characteristic and permeability performance, and is capable of accurately researching the influence factors such as compacting strength, compacting time and cycle loading, fabric layers and fabric braiding methods on the compacting characteristic under a dry state and a moisture state of the fabric, and is capable of testing permeability of the fabric in plane and thickness direction. The device can realize the test for the fabric performance under same condition of the vacuum assisted resin infusion, employs a self-designed negative pressure controller, a pressure tester and an eddy current displacement sensor can realize automatic control of various influence factors, and can obviously increase the experiment efficiency of the fabric compacting characteristic and permeability performance test and can optimize the test cost.
Description
technical field [0001] The invention relates to an integrated testing device for the compaction characteristics and permeability performance of fiber fabrics in a vacuum-assisted molding process, in particular to a method for manufacturing a resin-based composite material vacuum-assisted molding process with fiber grating testing and pressure control technology In , the process compaction characteristics and permeability performance of fiber preforms were tested. Specifically, it relates to a device for integrated testing of the compaction properties and in-plane and thickness direction permeability properties of fiber fabrics in dry and wet conditions. Background technique [0002] The vacuum-assisted molding process of carbon fiber reinforced resin matrix composites has been widely used in aerospace, automobile industry and marine fields because of its low cost and easy manufacture of large-scale components. The compaction characteristics and permeability performance of f...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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IPC IPC(8): G01N33/36G01N15/08
Inventor 蒙邦克郭艳丽王长春甘民可白光辉张博明
Owner 北京博简复才技术咨询有限公司