METHOD FOR CONTROLLING ROUGHNESS DEGREE OF ARTICLE SURFACE

METHOD FOR CONTROLLING ROUGHNESS DEGREE OF ARTICLE SURFACE

FIELD: measuring processes and equipment, namely optical methods for controlling roughness of article surface. SUBSTANCE: method comprises steps of illuminating controlled surface by means of light pulse Tl; passing scattered/reflected irradiation through acoustic-optical modulator in which travelin...

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Hauptverfasser: ZAGREBEL'NYJ V.E, SHULEPOV A.V, LEUN E.V, SERKOVA JU.V, SHEVCHENKO S.A
Format: Patent
Sprache:eng ; rus
Schlagworte:
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PHYSICS
TESTING
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creator ZAGREBEL'NYJ V.E
SHULEPOV A.V
LEUN E.V
SERKOVA JU.V
SHEVCHENKO S.A
description FIELD: measuring processes and equipment, namely optical methods for controlling roughness of article surface. SUBSTANCE: method comprises steps of illuminating controlled surface by means of light pulse Tl; passing scattered/reflected irradiation through acoustic-optical modulator in which traveling acoustic pulse Tac propagates. Irradiation stopped down by said acoustic pulse is registered by means of photodetector. It provides synchronized pulse modes of illumination and excitement of above mentioned modulator and possibility for realizing controlled slow detailed scanning of investigated scattered irradiation step by step from one cycle to another. Roughness parameters of article surface are evaluated according to fluctuation of measured parameters of light flux of controlled part and of reference sample. EFFECT: enlarged functional possibilities, improved accuracy of measurements. 3 cl, 4 dwg
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language eng ; rus
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subjects MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PHYSICS
TESTING
title METHOD FOR CONTROLLING ROUGHNESS DEGREE OF ARTICLE SURFACE
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