SWITCHING MECHANISM FOR CHECKING HEAD OF MAGNETIC DISK SURFACE

摘要

PURPOSE:To reduce the dimensions of a switching mechanism in the X axis direction by using an X axis carriage to which a burnishing head and a projection checking head are attached and a Y axis carriage to which the X axis carriage is mounted. CONSTITUTION:A fixed radius line 1a of a magnetic disk 1 is used as an action line of a burnishing head 2 and a projection checking head 5 respectively. Both heads 2 and 5 are switched with each other and performed their functions, when they are moved to the position of the line 1a with the shift of an X axis carriage 8 carried out by the revolution or a drive motor 9. A Y axis carriage 10 holding the carriage 8 is moved by the revolution of a drive motor 11 and carries out a burnishing or projection checking action up to the center from the outside of a magnetic disk 1 along the line 1a. Thus the space occupation factor is reduced since both heads 2 and 5 are attached to the carriage 8. Then a compact switching mechanism is obtained.