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AutoGrid® vario system 격자 패턴 3D 분석장비

제품 Spec

1) Measuring head
4 progressive scanning CCD cameras 780 (H) x 582 (V)
active pixel with high quality measuring lenses;
PC connection and power supply via a single 4 m cable
using the firewire interface convenient transport box
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2)Computer
brand mark first class PC with worldwide service
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3)Environment temperature: operating 10 ... 35° C, non-operating: -40 ... +70° C
humidity: 20%...93% non-condensing
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Software Microsoft Windows XP Professional
full compatibility with Microsoft Office applications and other standard software
Measuring volume up to 500(400(200 mm³ per image set (other volumes on demand)
Field of data up to 12.000 measured points per single measurement;
combined measurements without size limitation
Calibration fixed optical setup maintaining long term calibration;
automated, robust self-calibration procedure (3 min) using certified calibration gauge
Measuring time 3-5 min for a complete analysis of one image set
Results 3D shape: coordinates x,y,z [mm] at grid line crossing points; engineering strain ε [%],
true strain ?, v.Mises equivalent strain, thinning [%], thickness [mm], safety strain, max.
failure
Grid size/
recommended FOV
mm 1.0 2.0 2.5 5.0
mm³ 80x60x30 160x120x60 200x150x75 400x300x150
Strain accuracy
(rms)
for grid size 2.0 mm Δε = 0.2%
Graphs 3D surface display using original object grid for direct result mapping to object
colour encoded presentation of strain and thickness as texture on the 3D object
2D data profiles along user defined curves
forming limit diagram (FLD) with various FLC’s and auxiliary lines
interactive tool for the creation of FLC’s from strain data sets
free editable FLD reports
Export graphs: printer, clipboard, *.bmp, *.tif, *.png, *.jpg, *.vrml, *.ps, *.eps
data: ASCII, AutoForm, Pam-Stamp, *.stl, AutoCAD, LS-Dyna

Highest flexibility for component analysis and in-process materials testing

ViALUX provides a fast and accurate tool for the determination of forming limit curves (FLCs) of sheet metal materials. Directly connected to the testing machine, the system gives precise ac-cess to the maximum strain value just before necking and subsequent cracking occurs.
The AutoGrid® software package allows to create FLCs from a set of specimens very effectively.

With the knowledge of the original undeformed grid size, the system is able to determine a field of strain values in the range of 0.5 % to more than 100 % without any unambiguity. Grid sizes range between 1-5mm. Images sequences of up to 24x4 frames per second can be recorded. In case of the standard testing velocity of 1-2 mm ? s, a punch depth resolution of less than 0.1 mm can be achieved. The system also features additional data inputs that can track different values from the testing machine.

For example, press load and punch stroke can be stored with each measurement. Automatic evaluation helps to generate complete forming limit curves. All process variables of differently shaped specimen are provided to determine reliable FLC data. Advanced software features can be used to process an export the measurement data and to make reports. The system also meets the requirements of bulge or tensile testing