{"id":2943,"date":"2026-06-16T09:10:34","date_gmt":"2026-06-16T01:10:34","guid":{"rendered":"https:\/\/jtlcnc.com\/?p=2943"},"modified":"2026-06-16T09:10:35","modified_gmt":"2026-06-16T01:10:35","slug":"what-is-the-accuracy-grade-standard-for-granite-square-boxes","status":"publish","type":"post","link":"https:\/\/jtlcnc.com\/ar\/2026\/06\/16\/what-is-the-accuracy-grade-standard-for-granite-square-boxes\/","title":{"rendered":"\u0645\u0627 \u0647\u0648 \u0645\u0639\u064a\u0627\u0631 \u062f\u0631\u062c\u0629 \u0627\u0644\u062f\u0642\u0629 \u0644\u0644\u0635\u0646\u0627\u062f\u064a\u0642 \u0627\u0644\u0645\u0631\u0628\u0639\u0629 \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u062c\u0631\u0627\u0646\u064a\u062a\u061f"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u0623\u0648\u0644\u0627\u064b: \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062a\u0646\u0641\u064a\u0630\u064a\u0629<br>\u0645\u0639\u064a\u0627\u0631 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\u0627\u0644\u0645\u0635\u0646\u0639 \/ \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u062f\u0648\u0631\u064a \u0648\u0641\u0642\u064b\u0627 \u0644\u0645\u0627 \u064a\u0644\u064a: \u0644\u0627\u0626\u062d\u0629 \u0627\u0644\u0645\u0639\u0627\u064a\u0631\u0629 JJG 117-2013 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0633\u0637\u062d\u064a\u0629.<br>\u062f\u0644\u064a\u0644 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0633\u0631\u064a\u0639<br>000 \u0627\u0644\u062f\u0631\u062c\u0629: \u063a\u0631\u0641 \u0627\u0644\u0642\u064a\u0627\u0633\u060c \u0646\u0642\u0644 \u0627\u0644\u0642\u064a\u0645\u060c \u0645\u0639\u0627\u064a\u0631\u0629 \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629<br>00 \u0627\u0644\u062f\u0631\u062c\u0629: \u0641\u062d\u0635 \u062c\u0648\u062f\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 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Executive StandardsManufacturing Standard: JB\/T 10027-2017 &#8220;Granite Surface Plates, Straight Edges, Squares, and Square Boxes&#8221;Verification Standard: JJG 117-2013 &#8220;Verification Regulation for Surface Plates&#8221;Accuracy Grade: Grade 000, Grade 00, Grade 0 (the smaller the number, the higher the accuracy); some scenarios still use the old standard Grade 1 (General Industrial Grade). II. 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