JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 24

MANUFACTURlNG press

Fig. 2: Force and parallelism cilinders integrated in
the bolster

Fig. 3: Comparison between traditional and short
stroke press

ally, there are four parallelism cylinders at
the corners of the bolster that act to ensure
that the moulds close in parallel on their shut
plane. This is an extremely important function in processes where the material flows,
since the control of the flow and mould
filling (and, in short, whether the part is satisfactory) is closely linked to the extremely
precise control of the parallelism, a feature
for which Fagor Arrasate is significantly
ahead of its competitors. Once the moulding
has concluded and the part has been cured,
the bolster descends to its original position,
at which point the nuts open again and the
external cylinders raise the carriage up to the
top dead centre (Figure 2).

24

Reduced energy consumption
In comparison with a conventional press of
the same tonnage, this type of HCL press
reduces energy consumption and can improve efficiency by approximately 35%. This
is due to the fact that, in conventional presses, the main cylinders need to act during
the approach run when the mould shuts, as
well as in the moulding run, which results in
large movements in the oil flow. In the HCL
press, these two functions are separated and
four cylinders with a much lower piston diameter, but a much longer run, are allocated
for the approach and raising of the slide. The
moulding step is performed by two cylinders
with a large bore but a very short run (e.g.
100mm), resulting in a reduction in the flow
to be moved and greater speed when generating the moulding pressure in the cylinder
chamber (Figure 3).
The importance of the slide deformation
with respect to the bolster should also be
stressed. In conventional presses, this deformation is not parallel, with an O-shaped section appearing between the two components
with a greater deviation in the central part
of the mould than at the ends. HCL presses, however, offer a parallel deformation of
the slide with respect to the bolster, helping
to ensure a more homogeneous thickness
of parts, allowing the raw material to be optimised for use in processes such as SMC,
GMT or D-LFT, where the mass is distributed across the entire length and width of the
mould (Figure 4).
In short, the HCL press offers energy efficiency advantages of up to 35%, a height reduction of up to 40%, a rapid slide approach
of up to 1000 mm/s, deformation control of

jec composites magazine / No112 April - May 2017

Fig. 4: HCL presses offer a parallel deformation of
the slide

the bolster with respect to the slide for optimal use of the raw material, an extremely
short response time when pressurising the
chambers in the main cylinder, and excellent control of parallelism incorporated into
the bolster. With this new HCL press, Fagor
Arrasate will provide solutions to customers
wishing to reduce their energy consumption
or to customers whose premises do not allow
the installation of a conventional press owing
to height limitations.
More information: www.fagorarrasate.com

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Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017

Cover
Edito
Opinion: Civilian robotic
Contents
NEWS
In brief
Yachting
Strategy
Fabric
Agenda
BUSINESS
Additive manufacturing
Carbon
MANUFACTURING
Press
Repair
CNC
Natural fibres
Feature Aeronautics - Will the horizon stay clear?
Simulation
Software
NDT
Tooling
Self healing
Primary structure
Natural fibre
Recycling
Environment
Structures
SOLUTIONS
Sustainability
Sailplane
Lift
Construction
In the world
TECHNOLOGY
Nanomaterials
Thermoplastics
CFRP
Index
Advertisers
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 68
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Cover
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 2
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Edito
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Opinion: Civilian robotic
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 5
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Contents
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 7
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - In brief
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 9
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Yachting
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 11
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Strategy
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 13
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Fabric
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 15
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Agenda
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 17
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Ad IPC
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Ad JEC
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Additive manufacturing
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 19
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Carbon
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 21
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 22
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Press
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 24
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Repair
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - CNC
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 27
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Natural fibres
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 29
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 30
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Simulation
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 32
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Software
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 34
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - NDT
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 36
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Tooling
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 38
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 39
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 40
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Self healing
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 42
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Primary structure
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 44
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Natural fibre
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 46
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 47
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Recycling
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 49
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Environment
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Structures
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 52
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 53
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Sustainability
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Sailplane
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Lift
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Construction
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - In the world
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Nanomaterials
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 60
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 61
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Thermoplastics
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 63
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - CFRP
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 65
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Advertisers
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 67
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