| 摘要 |
PURPOSE:To expand the vertical movement and cope with a large work by supporting a longitudinally moving body on a laterally moving body on a support frame vertically moving along stanchions, supporting a vertically moving body on it, and fitting a grindstone head vertically movably. CONSTITUTION:An upper support frame 4 is vertically moved by a motor 8, a moving body 16 is laterally moved by a motor 19, a rotary body 27a longitudinally moved by a motor supported by it and laterally rotated around a shaft 23 supports a rotary body 32 longitudinally rotated around a pin 33 by a handle 34, and a moving body 37 vertically moved by a motor 40 is supported on it. A grindstone head 48 vertically moved by a cylinder 52 is fitted to a vertically moving coupling 44 via a sliding body 45 and a support arm 46. Accordingly, the grindstone head 48 is applied with the vertical motion by a cylinder 52 in addition to the vertical motion of the support frame 4 and the moving body 37 and is moved largely vertically, and a large work W can be coped with.
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