GOM光学扫描变形测量分析系统PONTOS
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Josef Spagert BMW Group 4.10.2004 Page 6
Door slam test
Purpose of the test:
Deformation of the door during closing movement relatively the chassis structure
Movements of the doors relatively the chassis at different road characteristics.
Josef Spagert BMW Group 4.10.2004 Page 14
Testing on the 4-poster
Josef Spagert BMW Group 4.10.2004 Page 15
Josef Spagert BMW Group 4.10.2004 Page 3
Highspeed shooting as known
Josef Spagert BMW Group 4.10.2004 Page 4
PONTOS measurement equipment
Josef Spagert BMW Group 4.10.2004
Closing of hood
Purpose of the test:
Behaviour of the hood during closing: - Kinematics - Deformation
Josef Spagert BMW Group 4.10.2004 Page 12
Closing of hood
• The beginning of the Pontos measurement system
• Previous measurement methods
• Todays measurements with the PONTOS system
• Presentation of different applications
Testing under climate
Aim of the test:
Measurement of the deformation of a thermoplastic fender at different temperature levels
Josef Spagert BMW Group 4.10.2004 Page 16
Testing under climate
Josef Spagert BMW Group 4.10.2004 Page 17
Thank you for your attention.
Josef Spagert BMW Group 4.10.2004
Page1 PONTOS in automotive testing
Applications in Exterior Testing
Josef Spagert BMW Group 4.10.2004 Page 2
PONTOS in automotive testing.
Josef Spagert BMW Group 4.10.2004 Page 7
Door slam test
Alignment points are based on the chassis
Josef Spagert BMW Group 4.10.2004 Page 8
Door slam test
Page5 Applications for the PONTOS system
• Closing of hood • Closing of hatch, tailgates • Door slam test • Movement of the convertible top • Testing on shaker- or on 4-poster devices • Testing under temperature variation • Static crash testing
Josef Spagert BMW Group 4.10.2004 Page 10
Door slam test
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Comparison of results at different closing speeds
Displacements [mm]
V1
0
100
200 V 2
V3
V4
Time [ms]
Josef Spagert BMW Group 4.10.2004 Page 11
Purpose of the test:
Deformation/displacement within the door during door slamming
Josef Spagert BMW Group 4.10.2004 Page 9
Door slam test
Alignment points are based on the door
Josef Spagert BMW Group 4.10.2004 Page 13
Testing on the 4-poster
Aim of the test:
Kinematic behaviour of the door when the complete car is tested on the 4-poster.