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automated tape laying

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003411
EISBN: 978-1-62708-195-5
...Abstract Abstract Automated tape laying is a mature process used in both commercial and military aircraft applications. This article provides a brief history of the process and describes the use of commercially available flat and contour tape-laying equipment. It discusses the advantages...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003434
EISBN: 978-1-62708-195-5
.... It concludes with a discussion on automated tape laying and fiber placement, as well as the numerically aided lay-up process. in-process inspection composite materials lay-up material control quality control automated tape laying fiber placement numerically aided lay-up IN-PROCESS INSPECTION...
Book Chapter

By Don O. Evans
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003410
EISBN: 978-1-62708-195-5
... areas of missing tows. fiber placement FIBER PLACEMENT is a unique process combining the differential tow payout capability of filament winding and the compaction and cut-restart capabilities of automated tape laying. During the fiber placement process, individual prepreg fibers, called tows...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003419
EISBN: 978-1-62708-195-5
... of many manufacturing operations. However, there are also automated means to layup thermoplastic prepreg tapes. Equipment conceptually similar to that used for automated layup of thermoset prepreg tapes (see the article “Automated Tape Laying” in this Section) may also be used to layup thermoplastic...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003409
EISBN: 978-1-62708-195-5
...- niche applications. Unidirectional tape lay-up is better suited to automated tape layers that can rapidly cut and deposit material, provided the lay-up is flat enough (see the article “Automated Tape Laying” in this Volume). Recently, thicker unidirectional tape prepreg has been qualified for aircraft...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003397
EISBN: 978-1-62708-195-5
... in the aerospace industry (see the article “Automated Tape Laying” in this Volume). However, compared to ATP, the cost and ease of use of LOM machine is favorable for production of small (e.g., 60 by 30 by 15 cm, or 24 by 12 by 6 in.) articles. Thus, with regards to PMCs, LOM holds the most short-term potential...
Book Chapter

By Greg Kress
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003392
EISBN: 978-1-62708-195-5
.... The complex equipment for filament winding, automated tape lay-up, RTM, and press, oven, and autoclave curing can become exponentially more expensive as individual components increase in size. Consideration must be given to residual stresses created in materials as they cool from elevated cure temperature...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003360
EISBN: 978-1-62708-195-5
...; multidirectionally reinforced fabrics; hybrid fabrics; woven fabric prepregs; unidirectional and multidirectional tape prepregs; and the prepreg tow. The article discusses three major categories of tape manufacturing processes, namely, the hand lay-up, machine-cut patterns that are laid up by hand, and the automatic...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003395
EISBN: 978-1-62708-195-5
... of automated tape laying and fiber placement, significant programming and capital investment. Mixing the reinforcement with the resin system in situ during the fabrication process allows for three-dimensional reinforcements or continuous processing while increasing material utilization. In wet filament...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003477
EISBN: 978-1-62708-195-5
.... Fig. 20 Materials use in the Typhoon (Eurofighter) airplane The skins of the wing ( Fig. 21 ) are solid laminate, with thicknesses varying from root to tip between about 20 and 4 mm (0.8 and 0.16 in.). They are laminated by automated tape laying. During manufacturing, the wing skins are cured...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003036
EISBN: 978-1-62708-200-6
... process and a fully automated manufacturing sequence. Lay-up system design is determined by material form, part shape, production requirements, and costs. The processes of die, ultrasonic, and computer-controlled ply cutting; flat and contoured tape laying; ply handling; and automated ply lamination...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009071
EISBN: 978-1-62708-177-1
... of prepreg materials, automated tape lay-up of prepreg materials, resin transfer molding, vacuum-assisted resin transfer molding, resin film infusion, wet lay-up, filament winding, pultrusion, and compression molding of sheet molding or bulk molding compound. While these processes are general in description...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003425
EISBN: 978-1-62708-195-5
... or with automated equipment (i.e., contoured tape lay-up machines or fiber placement machines). Individual full plies and partial padup plies (typically 0.14–0.30 mm, or 0.005–0.01 in., thick each) are sequentially placed on a shaped tool and vacuum compacted every 1 to 3 plies to reduce bulking. Once a layup...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003418
EISBN: 978-1-62708-195-5
..., a tube can be wrapped in one operation. When making thick-walled tubing or when using materials with a high bulk factor, it is desirable to wrap the tube in multiple wrap increments, debulking in between wraps by applying and removing shrink tape on automated tape wrapping machines with consistent tape...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003368
EISBN: 978-1-62708-195-5
... costs can be reduced 20 to 35% by use of automated material-placement machines. With thermoplastics, though, total savings from hot tape lay-up will be larger than with thermosets because compaction occurs during lay-up, and autoclave cure is not required. Generally, production volumes must...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003416
EISBN: 978-1-62708-195-5
... (from part to part and from layer to layer). The accuracy can be superior to that of fiber placement and automated tape-laying machines. The capacity to use continuous fibers over the whole component area (without joints) and to orient fibers easily in the load direction. This simplifies...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003394
EISBN: 978-1-62708-195-5
.... Fig. 12 Finite-element mesh (left) and resin flow-front simulation (right) for resin transfer molding injection Fiber Placement and Tape-Laying Interfaces Fiber-placement machines combine the advantages of filament winding, contour tape laying, and computer control to automate...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003426
EISBN: 978-1-62708-195-5
... can keep weight to a minimum. Also unidirectional fiber materials typically have less waste than woven products, unidirectional products lend themselves to automated lay-up in tape-laying machines, and unidirectional products may provide a smoother aerodynamic external surface than woven products...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003045
EISBN: 978-1-62708-200-6
... risking damage and distortion of all plies in the lay-up. The inspector must be on site to verify the work as it is performed during these critical operations. This is even true for automated lay-up operations. Not only angles, but overlap and gap tolerance between segments of tape must also be verified...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003401
EISBN: 978-1-62708-195-5
... covered in the present edition also were described in the 1987 edition, some techniques now covered are new (vacuum infusion and several thermoplastic techniques), and a couple that previously were reported as representing recent developments are now well established (fiber placement and tape laying...