The present invention covers the disc thin blade with a single safety cover, safety usually even during storage to provide a root cutting machine of root crops can be ensured. A safety cover 6 of the roots cutting machine main body 3 only when pushed in root vegetables 1, cover the disc thin blade 10 rotating at a high speed is provided a safety cover 6 alone to rotate. .FIELD 1【課題】単独の安全カバーで円板薄刃を覆い、通常保管中でも安全が確保できる根菜類の根切り加工機を提供する。【解決手段】根切り加工機本体部3の安全カバー6に根菜類1を押し込んだ時だけ、回動する単独の安全カバー6を設け高速回転する円板薄刃10を覆う。【選択図】図1