Path calculation, technology and opportunities in dry fiber winding: a review

Sofi, Tasdeeq; Neunkirchen, Stefan; Schledjewski, Ralf

doi:10.1080/20550340.2018.1500099

Cited by 24 publications

(24 citation statements)

References 58 publications

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“…Especially, the transversal parts of this shear load lead to slippage on a convex surface and must be supported by friction forces. [2] In this study, only a 0 -load (pulling direction) will be regarded because the highest force can be expected. Also, this setup is simpler and more transferable.…”

Section: Shear Testsmentioning

confidence: 99%

Tack measurement of bindered rovings for the dry fiber winding process

Neunkirchen

Schledjewski

2021

Polymer Composites

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For the winding of dry (e.g., not impregnated) fibers on convex structures, an adhesive force between surface and roving has to be established. Providing friction is necessary to prevent the roving from slipping. Usually, rovings impregnated or coated with (epoxy-) binder material are used. The investigation of the tack performance of these rovings differs from established studies on pressure-sensitive adhesives and prepregs. It was found that the common probe test is not suitable for bindered rovings. Instead, shear tests were performed on a heated, flat plate with a robotic winding setup. The horizontal force to pull the roving from the plate was measured. Variation of temperature was in focus. Compaction force, pulling speed, and twisting of the roving were also investigated. It could be seen that compaction and thorough heating are the key factors. Due to the small surface, twisting had no significant effect on the tack behavior.

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Section: Shear Testsmentioning

confidence: 99%

Tack measurement of bindered rovings for the dry fiber winding process

Neunkirchen

Schledjewski

2021

Polymer Composites

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“…There are many concerns in the manufacturing process of the high-quality composite frames that have been investigated in the past years [ 35 , 36 , 37 , 38 , 39 , 40 ]. The effect of winding patterns in filament winding of composite cylinder was studied by Azevedo et al [ 37 ].…”

Section: Introductionmentioning

confidence: 99%

“…Mlýnek et al described an optimized winding process that was considered for the case of a generally 3D geometrically shaped frame having a constant circular cross-section of the frame [1,23]. The optimization, and also the control of robot trajectory in the fiber winding process, has been the topic of many studies for the accurate fabrication of composite frames [1,35,40,[42][43][44][45][46][47].…”

Section: Introductionmentioning

confidence: 99%

Fabrication of High-Quality Straight-Line Polymer Composite Frame with Different Radius Parts Using Fiber Winding Process

et al. 2021

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The extraordinary features of fibrous composites enable advanced industries to design composite structures with superior performance compared to traditional structures. Composite frame structures have been designed frequently as components of mechanical systems to resist lateral and gravity loads. The manufacturing of high-quality composite frames depends primarily on the accurate fiber winding on frames with different pro-files and curved shapes. The optimal fiber winding process on a nonbearing composite frame with a circular cross-section is described in previous works by the same authors. As an extension to that, this study focuses on the manufacturing of straight-line composite frames with different profile radii at multiple locations. Such production procedure allows continuous winding of fibers gradually on individual parts of the frame and generally with different angles of fiber winding. The winding procedure is performed using fiber-processing head and industrial robot. The procedure for calculating the distance of the winding plane of fibers on the frame from the guide-line of the fiber-processing head is targeted. This distance depends on the required angle of fiber winding, the radius of the frame, and the geometric parameters of the fiber-processing head. The coordination of the speed of winding the fibers on the frame and the speed of the passage of the frame through the winding head is also considered. Determining the correct distance of winding the fibers from the corresponding guide-line of fiber-processing head and right coordination of the winding speed and the speed of passage of the frame through the fiber-processing head ensure compliance of the required angles of fiber windings on the frame and homogeneity of winding fibers, which are the two of the most important prerequisites for producing a quality composite frame. The derived theory is well verified on a practical experimental example.

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“…A similar topic, however, focused rather on the study of trajectory control of an arbitrary shape winding mandrel in 3D circular braiding is explored in [20,23,27]. Sofi et al presented dry fiber winding possibilities and explanation of the most important processes of winding [22], and Polini et al pointed out that the tension of winding during robotic filament winding technology is a very important parameter that influences directly the defects and the mechanical property of composite [23]. Azevedo et al investigated the effects of mosaic winding pattern on carbon-fiber composite cylinder fabricated using filament winding, and found the optimum radius to thickness ratio for optimum strength and stiffness properties [24].…”

Section: Introductionmentioning

confidence: 99%

Fabrication of High-Quality Polymer Composite Frame by a New Method of Fiber Winding Process

et al. 2020

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Polymer composite frame has been frequently used in the main structural body of vehicles in aerospace, automotive, etc., applications. Manufacturing of complex curved composite frame suffer from the lack of accurate and optimum method of winding process that lead to preparation of uniform fiber arrangement in critical location of the curved frame. This article deals with the fabrication of high-quality polymer composite frame through an optimal winding of textile fibers onto a non-bearing core frame using a fiber-processing head and an industrial robot. The number of winding layers of fibers and their winding angles are determined based on the operational load on the composite structure. Ensuring the correct winding angles and thus also the homogeneity of fibers in each winding layer can be achieved by using an industrial robot and by definition of its suitable off-line trajectory for the production cycle. Determination of an optimal off-line trajectory of the end-effector of a robot (robot-end-effector (REE)) is important especially in the case of complicated 3D shaped frames. The authors developed their own calculation procedure to determine the optimal REE trajectory in the composite manufacturing process. A mathematical model of the winding process, matrix calculus (particularly matrices of rotations and translations) and an optimization differential evolution algorithm are used during calculation of the optimal REE trajectory. Polymer composites with greater resistance to failure damage (especially against physical destruction) can be produced using the above mentioned procedure. The procedure was successfully tested in an experimental composite laboratory. Two practical examples of optimal trajectory calculation are included in the article. The described optimization algorithm of REE trajectory is completely independent of the industrial robot type and robot software tools used and can also be used in other composite manufacturing technologies.

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Path calculation, technology and opportunities in dry fiber winding: a review

Cited by 24 publications

References 58 publications

Tack measurement of bindered rovings for the dry fiber winding process

Tack measurement of bindered rovings for the dry fiber winding process

Fabrication of High-Quality Straight-Line Polymer Composite Frame with Different Radius Parts Using Fiber Winding Process

Fabrication of High-Quality Polymer Composite Frame by a New Method of Fiber Winding Process

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