Technical assessment of 3D-printed spur gears produced from recycled PLA
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 6, 2024
Abstract
Plastic
gears
are
primarily
utilised
in
manufacturing
and
automotive
industries
due
to
their
quiet
operation,
resistance
corrosion,
lightweight
characteristics.
Traditionally,
injection
moulding
(IM)
has
been
the
preferred
method
for
producing
gears.
However,
high
cost
associated
with
IM
made
additive
(otherwise
known
as
“3D
printing”)
an
increasingly
attractive
alternative.
This
study
investigated
potential
benefits
of
3D-printed
spur
from
three
distinct
types
polylactic
acid
(PLA)
materials:
recycled
PLA
(rPLA),
blended
PLA,
virgin
(vPLA).
Gears
varying
tooth
counts
were
designed
based
on
commercially
available
models
printed
using
optimised
printing
parameters,
including
layer
height,
infill
density
nozzle
temperature.
The
performance
polymer
depends
several
engineering
characteristics,
wear
resistance,
running
load,
speed,
operating
To
assess
these
factors,
sound,
temperature,
loss,
rate,
service
life
measured
a
custom-built
testing
machine
at
rotational
speeds
500,
1000,
1500
rpm
under
torque
1.5
Nm.
results
compared
those
injection-moulded
nylon
same
conditions.
experimental
findings
revealed
that
rPLA
exhibited
poorest
across
all
metrics.
In
contrast,
demonstrated
characteristics
similar
vPLA
gears,
although
they
still
fell
short
Язык: Английский
Manufacturing issues with 3D-printed gears mechanical properties
Design of Machines and Structures,
Год журнала:
2024,
Номер
14(2), С. 74 - 83
Опубликована: Ноя. 30, 2024
Additive
manufacturing,
often
known
as
3D
printing,
is
substantially
revolutionizing
the
industrial
environment
by
turning
new
ideas
into
tangible
items.
This
technology
promotes
innovation
in
various
industries,
like
healthcare,
aerospace
and
automotive,
allowing
for
development
of
sophisticated,
one-of-a-kind
designs
while
reducing
waste
expenses.
Prompting
improvements
production,
additive
manufacturing
demonstrates
a
great
deal
design
variation
also
being
very
efficient.
reforms
traditional
production
techniques
makes
solutions
that
were
previously
impossible.
research
delves
mechanical
properties
challenges
additively
manufactured
3D-
printed
gears.
The
evaluation
gear
performance
focuses
on
influence
essential
characteristics,
including
analysis
printing
orientation
infill
patterns,
among
other
factors.
Mechanical
such
tensile
bending
strength
rise
horizontal
direction;
conversely,
vertical
structure,
reverse
true.
Concentric,
grid-like
patterns
improve
materials
PLA
PLA+
surface
quality.
study
examines
significant
challenges,
thermal
expansion
air
gaps
affect
reliability.
Effective
require
refining
designs,
enhancing
heat
dissipation,
optimizing
material
properties.
findings
comprehension
how
3D-printing
parameters
performance,
offering
valuable
insights
manufacture
durable,
high-performance
3D-printed
gears
applications.
Язык: Английский
Service Life and Failure Analysis of Nylon, Polycarbonate, and IGUS i180 Polymer Gears Made by Additive Manufacturing
Machines,
Год журнала:
2024,
Номер
13(1), С. 5 - 5
Опубликована: Дек. 25, 2024
An
assessment
of
different
materials
for
additive
manufacturing
(AM)
polymer
gears
is
presented
in
this
research.
Experimental
testing
carried
out
three
materials.
Two
are
selected
as
the
most
common
used
made
by
manufacturing.
These
nylon
and
polycarbonate
(PC).
The
third
material
IGUS
i180,
which
a
tribological
specially
developed
parts
with
demands
high
resistance
properties
such
to
friction,
wear,
temperatures
essential
long
service
life
gears.
Gears
experimentally
tested
determine
form
operating
cycles
until
failure.
In
addition,
gear
temperature
monitored
during
experimental
testing.
Using
value
maximum
at
moment
total
failure
specific
load
level
enables
categorization
type.
Different
types
failures
categorized
presented.
Taking
into
consideration
type
cycles,
applicability
analyzed
applications
concerning
load,
speed,
thermal
conditions
discussed
end
paper.
main
goal
research
was
test
i180
compare
its
mechanical
other
commonly
manufactured
AM,
(PA6/66)
showed
inferior
design
case
loads.
This
that
PA6/66
still
best
solution
production
using
but
material,
due
constraints,
quite
limited.
Язык: Английский