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Structure and Design of Warp Knitted Broché Fabric

Author: ZhangZiYe
Tutor: JiangGaoMing
School: Jiangnan University
Course: Textile Engineering
Keywords: Warp knitting Brochéfabric Single-yarn selection mechanism (EFS) Structure Technical design Simulation
CLC: TS184.1
Type: Master's thesis
Year: 2010
Downloads: 51
Quote: 0
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Abstract


The warp knitted brochéfabric, also named Cliptronic? fabric, is a kind of high-grade fabric which is produced on RJWB jacquard-raschel machines. Based on the application of piezo jacquard system (PJS) and Single-yarn selection mechanism (EFS), it can form special tri-dimensional brochépattern motifs positioned on the light and delicate ground anywhere, by taking out the brochéyarns from the knitting process and by interlacing them later on. This kind of product is widely used as mesh curtain, table-cloth, elastic and non elastic laces, which has great development potential and market prospects.Firstly, via the experiment on the warp knitting brochémachine, the paper studied the working principle of this kind of machine as well as EFS from three aspects: relationship of three piezoelectric jacquard systems, Motion cycle of barbed needle and time coordination of barbed needle collecting yarn and JB1.1 doing underlap. Then based on the experimental data the paper gave the displacement curves of knitting elements and detailed analysis of movement rules in knitting process, with a view to provide technical guidance for enterprise to develop warp knitted brochémachine.Secondly, via fabric analysis and consult reference, the paper made a deep study on the structure characters of brochéfabric from the following aspects: brochépattern structure, ground pattern structure,the edge structure and the Shaped-knitting product。And then the paper discussed the jacquard technology of brochéby drawing the lapping movement.Thirdly, colorized design model and loop structure model were set up.The paper also made a theoretical analysis on the horizontal displacement of loop resulting from inlay jacquard and fall-plate jacquard to make the simulation better.Finally, based on the application of the design and simulation function of brochéfabric on the system WKCAD3.0, the paper came up with a systemic and efficient design method of brochéfabric, including pattern design, technical design and Computer-Aided technical design. All is in order to provide the mentality for designers.

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CLC: > Industrial Technology > Light industry,handicrafts > Textile industry,dyeing and finishing industry > Knitting > Knitting process > Theory and Design
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