{
  "name": "穴あけ・切削回転数計算機",
  "short_name": "穴あけ・切削回転数計算機",
  "description": "被削材とドリル径に基づいて、ドリルやフライスマシンの理想的な回転数（RPM）を計算します。工具の焼き付きを防ぎます。",
  "start_url": "/ja/utilities/categories/diy/drill-rpm-calculator/",
  "scope": "/ja/utilities/categories/diy/drill-rpm-calculator/",
  "icons": [
    {
      "src": "/images/utilities/drill-rpm-calculator.webp",
      "sizes": "512x512",
      "type": "image/webp",
      "purpose": "any"
    }
  ],
  "theme_color": "#0f172a",
  "background_color": "#0f172a",
  "display": "standalone",
  "orientation": "portrait"
}