JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 119

pultrusion TECHNOLOGY

Lighter,
stronger and cheaper carbon profiles

The pultrusion process has aroused growing interest during the past ten years
as it can produce high-performance continuous fibre-reinforced composite parts
(especially when using carbon fibres) with lower weight and low manufacturing
costs. Structil has been a leader in carbon pultrusion since 1985.
DR. JÉRÉMY VIALE,
Development and
Methods Engineer,
Safran Structil

S

tructil, a subsidiary of the Safran Group located near Paris, is a
major player of high-tech composite manufacturing for industrial applications, producing structural adhesives, prepregs and
carbon profiles. Since 1985, Structil has been a leader in the field of
carbon pultrusion. The company develops aerospace materials and
semi-products, and its customers span a broad range of sectors such
as aerospace, medical, sports & leisure and industry.
To meet the needs of customers in the best possible way, the company manufactures many different part geometries. Circular-section
pipes are at the core of its business, but it can also produce rods,
square pipes, Ω-shape beams, trilobal pipes, flat profiles and wingshape profiles (Figure 1).
The pultrusion process
The pultrusion process has strongly developed over the past years
due to its low manufacturing costs. It is a mature process for the con-

Fig. 1: Some carbon
profiles available
from Structil

tinuous manufacture of composite profiles. This process was first
described in the 1950's by Sir Brandt Goldsworthy, who designed a
machine for this composite manufacturing technique. The principle
of pultrusion is as follows: first, spools of reinforcement fibres are
placed on a creel, where their initial position and tension are managed. Then the tows are driven through distribution grids to accurately set the position of the fibres. Then comes the impregnation
step. In the traditional process, the fibres are pulled through a resin
bath where feed bars maintain the roving below the resin surface.
Another impregnation method uses an injection chamber. Structil
uses a patented chamber to impregnate fibres with a polyurethane
resin. The impregnated fibres are positioned using a calibration
system. The final shape is determined by the curing system, which
is composed of an external heating die that can be associated with
mandrels in the case of hollow profiles. After the die, the continuous profile is pulled at a constant speed that directly corresponds to
the output rate. Several types of pulling systems are available, such
as caterpillar or alternating plates. Finally, the profile is cut by an online cutting unit set to a given length (Figure 2).

Fig. 2: Principle of traditional pultrusion

N°111 March 2017

/ jec composites magazine

119



Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o

Cover
Edito
Opinion: Composites parts producer
Contents
NEWS
In brief
Construction & public transport
Meeting
Agenda
BUSINESS
Overview 2016
Carbon fibre
MANUFACTURING
Resin
Software
Simulation
Automatic process
Pultrusion
Integrated process
3D printing
AFP
Special JEC World 2017 - The largest composites show in the world
Planets
JEC World 2017 Conference Programme
JEC World 2017 Awards Programme
Process
Nano-materials
Innovation
Nano-materials
Milestone
Natural fibres
Seismic
Regulations
SOLUTIONS
Tank
Marine
Automotive
TECHNOLOGY
Simulation
Natural fibres
Behaviour
Pultrusion
Index
Advertisers
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 124
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Cover
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 2
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Edito
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Opinion: Composites parts producer
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 5
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Contents
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 7
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 8
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - In brief
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 10
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 11
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 12
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Construction & public transport
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Meeting
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 15
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 16
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 17
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Agenda
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 19
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 20
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Overview 2016
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 22
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 23
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Ad1
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Ad2
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Carbon fibre
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 25
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Resin
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 27
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 28
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Software
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 30
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 31
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Simulation
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 33
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Automatic process
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 35
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 36
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 37
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Pultrusion
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 39
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Integrated process
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 41
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 42
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 43
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 3D printing
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 45
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - AFP
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 47
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 48
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 49
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Special JEC World 2017 - The largest composites show in the world
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Planets
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 52
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 53
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - JEC World 2017 Conference Programme
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 55
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 56
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 57
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 58
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - JEC World 2017 Awards Programme
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 60
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 61
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 62
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 63
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 64
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 65
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 66
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Process
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 68
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 69
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Nano-materials
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 71
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 72
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Innovation
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 74
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 75
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 76
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 77
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 78
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 79
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 80
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 81
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 82
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 83
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 84
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 85
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 86
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 87
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 88
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 89
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 90
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 91
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Nano-materials
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 93
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Milestone
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 95
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Natural fibres
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 97
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Seismic
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 99
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Regulations
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 101
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 102
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 103
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Tank
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 105
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Marine
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 107
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Automotive
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 109
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Simulation
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 111
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 112
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 113
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Natural fibres
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 115
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Behaviour
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 117
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 118
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Pultrusion
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 120
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 121
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - Advertisers
JEC COMPOSITES MAGAZINE - Issue #111 - March 2017 - Special JEC World - o - 123
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