Preparation method of preformed sample for evaluating waviness of floating-coat-free automobile panel

The invention discloses a preparation method of a preformed sample for evaluating the waviness of a floating-coat-free automobile panel. The preparation method comprises the following steps of 1) smearing vaseline on the surface of a steel plate to be subjected to sample cutting; (2) stacking a plur...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI BAIJUN, DING ZIZHENG, GAO XINGCHANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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