Materials Research Express,
Journal Year:
2024,
Volume and Issue:
11(10), P. 105304 - 105304
Published: Oct. 1, 2024
Abstract
Many
automobile
components
and
machine
parts
can
be
fabricated
using
the
Fused
Deposition
Modeling
(FDM)
process
with
materials
such
as
Polylactic
Acid
(PLA),
Acrylonitrile
Butadiene
Styrene
(ABS),
Polyethylene
Terephthalate
Glycol
(PET-G),
polymeric
composite
(e.g.,
PLA
carbon
fiber,
glass
fiber).
In
this
study,
a
new
material
was
natural
flax
fiber
analysed
for
tensile
stress,
elongation,
impact
load
resistance
Taguchi
Analysis.
This
analysis
optimized
printing
parameters,
including
layer
thickness
(0.15,
0.25,
0.35
mm),
nozzle
movement
speed
(80,
100,
120
mm
s
−1
),
filling
structure
(Lines
-
a,
Triangular
b,
Octet
c),
occupancy
rate
(20%,
40%,
60%).
The
American
Society
Testing
Materials
(ASTM)
standards
strength
(ASTM
D638)
D256)
were
used
evaluation.
As
result,
found
to
most
effective
variable
improving
characteristics,
compared
extruder
temperature,
rate,
or
pattern.
Mechanical
properties
of
0.25
mm,
an
ratio
20%
bottom
2nd
40%
top
4th
layer,
triangular
octet
structures,
100
,
temperature
200
°C
are
considered
appropriate
parameters
producing
automotive
in
Three
Dimensional
(3D)
Printing.
Due
its
resistance,
these
settings
utilized
potential
application
wide
variety
vehicle
components.
Journal of Engineering Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 1, 2024
Additive
Manufacturing
(AM)
techniques
add
material
layer-by-layer
to
fabricate
parts
or
products,
compared
subtractive
manufacturing
processes,
where
the
is
removed
obtain
final
product.
The
most
common
method
among
AM
fused
filament
fabrication
(FFF),
which
uses
print
objects
into
end
products.
present
study's
aims
include
of
a
custom
FFF-based
3D
printer
and
investigating
effects
three
process
parameters
on
tensile
properties
3D-printed
samples.
Initially,
was
successfully
fabricated.
This
Marlin
Firmware
2.0
as
programming
code
control
different
functionalities
printing
processes.
After
construction
calibration,
few
samples
successfully.
Moreover,
design
experiments
plan
formulated
specimens
based
levels
parameters.
Tensile
testing
performed,
analysis
variance
(ANOVA)
confirmed
that
significantly
affected
properties.
were
then
analyzed,
along
with
defect
formation
microstructure
analysis.
Finally,
optimum
for
PLA
better
figured
out
constructed
printer.
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
23, P. 102779 - 102779
Published: Aug. 26, 2024
The
present
study
used
polymers
such
as
PLA
and
ABS
filaments
for
the
3D
printing
parts
with
varying
layer
thicknesses.
mechanical
properties
surface
finish
of
as-printed
epoxy
resin-coated
samples
were
investigated.
Noteworthy
findings
indicate
that
when
material
is
printed
at
a
thickness
0.06
mm
followed
by
no
coating
one
can
achieve
superior
tensile
strength
approximately
39
MPa
compared
to
20
material.
ultimate
coated
materials
averaged
15
both
ABS.
roughness
showed
95.13
%
reduction
after
coating.
Despite
being
harder
than
material,
emerged
most
influential
factor
in
enhancing
hardness.
dominance
lower
over
other
conditions
particularly
evident
modulus
elasticity.
In
addition
experimental
investigation,
non-linear
structural
analysis
uniaxial
behaviour
uncoated
prints
was
also
carried
out.
fracture
modes
deformation
behaviours
numerical
modelling
results
across
various
parametric
found
be
good
agreement.
Specifically,
loading
samples,
conditions,
mirrored
outcomes.
MANUFACTURING TECHNOLOGY,
Journal Year:
2024,
Volume and Issue:
24(3), P. 458 - 464
Published: May 15, 2024
Today,
3D
printed
wrist-hand
orthoses
can
be
used
to
immobilize
the
arms
instead
of
plaster
or
fi-berglass
casts.
Typically,
arm
models
for
modelling
created
using
a
scanning
system.
Our
previous
study
shows
that
smartphone
cameras
and
photogrammetry
tech-niques
professional
systems,
but
accuracy
photogram-metric
has
not
yet
been
fully
investigated.
This
paper
presents
results
verifica-tion
reconstructed
from
2D
images
captured
with
camera.
The
forearm
parts
photogrammetric
model
were
subjected
virtual
inspection
by
compar-ing
them
corresponding
an
scanner.
In
addition,
physical
verification
was
carried
out
assessing
contact
between
interest
ac-tual
orthosis
reference
model.
test
show
achieve
necessary
serve
as
construction
orthoses.
