Apparatus for testing of magnetizable elongated workpieces on diagonal errors in the surface of the workpiece by means of a magnet powder testing

摘要

Apparatus for testing of magnetizable elongated workpieces (1) on diagonal errors in the surface of the workpiece (1) by means of a magnet powder test arrangement, in which the workpiece (1) for testing by means of a coil arrangement is magnetized and the appearance of magnetic powder applied to defects is evaluated, wherein the coil arrangement having in the circumferential direction of the workpiece (1) extending windings on the workpiece (1) can be placed, characterized in that the coil arrangement as a semicircular coil (3) is formed on a part of the circumference of the workpiece (1) can be placed.