1. Measurement
sample array detectorX-ray source
tube control CNC object stage data acquisition
computed tomography / volume reconstruction
step-by-step
rotation
Acquisition o
a comp
ete series
2D X-ray images w
i
e rotating
he sample in the X-ra
beam
Fast and hi
h resolution recon
truction of the volume and
eneration of geometricall
accurate surface data
seudocolor com
arison of mea-
ured CT data and 3D CAD model
a
ows a quic
an
intuitive eva
u-
ation o
t
e manu
acturing qua
ity
he precision of the measured CT data-set significantl
determines the accurac
of all following evalu
tions. For optima
metro
ogy resu
ts, t
e reconstruction a
gorit
m
as to ta
e into account an
correct
navoidable physical effects which occur during CT data acquisition like beam-hardening. phoenix|x-ray
ffers a wide range of modules for volume optimization.
xtensive so
tware
ac
a
es are avai
a
e w
ic
a
ow e.
. t
e
ittin
o
eometric
rimitives,
eome
ric dimensioning and tolerancing (GD & T) according to DIN/ISO and also the complete automatic gen
ration o
irst artic
e ins
ection re
orts.
he traceabilit
of the CT measurement results which are generated b
optimized surface extraction al
orithms is ensured by calibrated and certified (DKD certificated according to DIN
ISO) test specimen.
2. Evaluation
Rig
t: Ana
ysis o
twe
ve cy
in
rica
eatures.
images
y courtesy o
Continenta
AG
Fran
urt, Dept. C
assis & Sa
ety
GE Sensin
& Ins
ection
echnologies GmbH
phoenix
x-ray
Nie
s-Bo
r-Str.
D-31515 Wunstorf | German
l
+ 4
1
172-
F
x
+ 4
1
172-2
p
oenix-in
r
h
r
ffi
oenix-stutt
art@
e.com
oenix-muenc
en@
e.co
hoenix-france@
e.co
p
www.phoenix-xray.com
3D Metrology with High Resolution Computed Tomography:
Precise Measurement Results in just 2 Steps
First article inspection report < 1 h possible
GEIT-31206EN
1109
Left: Anal
sis of three features of a valve
block made of hi
h
rade aircraft alumin-
um (ed
e len
th 130 mm
In order to demonstrate the accurac
of the CT data the part was ad-
ditionally analysed by means of a Leitz
Hexagon high precision 3D
CMM. The table contains a small extraction of the first article ins
ec-
tion report. It s
ows a very goo
correspon
ence o
t
e two met
-
ods (deviation between 3D CMM and CT ≤ 6
m for diameters and
distances
.
Feature Ø
Z 1
Distance
D 1
Nom. CAD 28.000 70.500
Tolerance 0.050 0.100
Meas. CT 28.035 70.442
Meas. CMM 28.034 70.447
Deviation
CT / CMM 0.001 -0.005
GE
Sensing & Inspection Technologies
phoenix|x-ray
Certifi ed Precision