| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a grinding device capable of performing grinding work without arranging a mark on a surface of thin plate glass while accurately performing work by performing the grinding work by using photographing data of a camera when grinding an end surface of the thin plate glass used for a display image screen of a portable terminal such as a cellular phone. <P>SOLUTION: In S4, the machine origin of a work stage is calculated from a position of a reference pin. In S5, a gravity center position of an external shape of an actual work and a gravity center position of a hole are calculated from data on the actual work. Afterwards, in S6, the gravity center position of the actual work (the gravity center position of the external shape and the gravity center position of the hole part) and a gravity center position of a model (the gravity center position of the external shape and the gravity center position of the hole part) are made to coincide with each other. In S7, the machine origin of the work stage is compared with the gravity center position of the actual work, and a dislocation quantity from the machine origin (a dislocation quantity X in the horizontal direction, a dislocation quantity Y in the vertical direction and a dislocation quantityθin the rotational direction) is arithmetically operated. The actual work Wi is compared with Wm, and a shave-in quantityΔw is also arithmetically operated by an external shape difference. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
