The
foot
is
a
p
a
rt of

the
hum
an
bod
y
to
und
ert
a
ke
m
a
n
y

ac
tivi
ties
using sho
e
s or
slipp
e
rs.
The
foot
d
e
form
itie
s
tend
to
m
a
ke

people hav
e

alw
a
y
s
exp
e
rien
ced

pain wh
en
engaging in

activities
.

Th
is has
promoted
the importan
c
e of
the need fo
r th
e produ
ct,
especi
all
y
footw
ear insole
shoes ortho
tic.
Th
e
technolog
y
of
co
m
puter-aided
m
a
nufacturing
(C
AM) PowerMill2016 used to
do

optim
izat
ion
fiv
e
p
a
ram
e
t
e
rs,
i
.
e
.

toolp
a
th
stra
teg
y
,

feed
r
a
t
e

(B),
spindle speed
(C
), step
over
(D)
,

and number
of
f
l
utes (
E
)
. T
h
e
optimum value
was obtain
e
d for
surface roughn
ess
R
a

= 6.15
µm and Mach
ining

Time (
T
a

= 3
.
72
5 hours).