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Detailed Roll Inspection

1- Concentric and cylindrical measurements

Automatic measurement
Truth of running
Cylindrical shape
Present
March 2019
March 2019

2- Video-/photo-analysis of inner structure

Digital endoscope
Photo of interior cooling channel
Video analysis
Present
March 2019
March 2019

3- Ultrasonic measurement of wall-thickness

US-measurement (2)
US-measurement (3)
Present
March 2019

4- Ultrasonic measurement of cracks

US reflection test (2)
US reflection test (1)
Magnetic test (carbon powder)
Present
March 2019
March 2019

5- Liquid penetration test („red-white“)

Penetration test (1)
Penetration test (1)
1) cleaning – 2) color – 3) cleaning – 4) developer
Present
March 2019
Present

6- Detailed measurement

Mesurement of the silhouette
Rougness document
Mesurement of the roughness
Present
March 2019
Present

7- Hardness test

Hardness test (1)
Hardness test (2)
Hardness test (3)
Present
March 2019
Present