Method for measurement of angle between two neighboring shelves of profile of rectangular tubes

摘要

Method for measurement of angle between two neighboring shelves of profile of rectangular tubes includes its measurement with angle meter each guide of which is placed on respective shelf of profile. Position of each guide on the shelf is determined by position of two supports installed on the shelf hear the boundary of transition of the shelf to angles of profile adjoining it. The guides are additionally equipped with slat with scale installed with possibility of displacement along the guide. At that the slat is pressed to the shelf.