| 摘要 |
PURPOSE:To prevent damage to cutting edge and have uniform provision of cutting edge by contacting a grinding wheel in rotation with the cutting edge of a tool, determining the amount of grinding in this condition, pressing the grinding wheel to the cutting edge with a fluid pressure and by reciprocating in the longitudinal direction of the tool for traced grinding. CONSTITUTION:A traveling member 6 is moved by a prime mover 7 so that the grinding wheel 36 reaches the surface of a tool 1, and then a liquid cylinder is actuated to press a restriction board 31 at all times to the front, and another prime mover 21 is operated at the same time to give rotational motive to the grinding wheel 36. Then a feed shaft 32 is screw-rotated, and after the wheel 36 comes in contact with the cutting edge of the tool 1, the feed shaft 32 is stopped screwing at the point of time when a dial gauge 35 gives desired indica tion, and now the amount of grinding is set. The grinding wheel 36 is pressed to the cutting edge face by fluid pressure from said point of contacting, and reciprocated in the longitudinal direction of the tool, and the fluid pressure applied to the cutting edge face is once released until the wheel 36 makes back ward or forward motion. This assures uniform provision of cutting edge. |
