{"id":4972,"date":"2026-04-24T00:00:49","date_gmt":"2026-04-23T16:00:49","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4972"},"modified":"2026-04-22T14:32:53","modified_gmt":"2026-04-22T06:32:53","slug":"%d8%aa%d8%ad%d8%b3%d9%8a%d9%86-%d8%b9%d9%85%d9%84%d9%8a%d8%a9-%d8%b5%d8%a8-%d8%a7%d9%84%d8%b1%d8%ba%d9%88%d8%a9-%d8%a7%d9%84%d9%85%d9%81%d9%82%d9%88%d8%af%d8%a9-%d9%84%d9%87%d9%8a%d8%a7%d9%83%d9%84","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/ar\/news-blog\/industry-news\/optimization-of-lost-foam-casting-for-thin-wall-gearbox-housings\/","title":{"rendered":"\u062a\u062d\u0633\u064a\u0646 \u0639\u0645\u0644\u064a\u0629 \u0635\u0628 \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u0645\u0641\u0642\u0648\u062f\u0629 \u0644\u0647\u064a\u0627\u0643\u0644 \u0639\u0644\u0628 \u0627\u0644\u062a\u0631\u0648\u0633 \u0630\u0627\u062a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629"},"content":{"rendered":"<p><a 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1348w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-foam-casting-of-gray-cast-iron-thin-wall-gearbox-shell-300x209.webp 300w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-foam-casting-of-gray-cast-iron-thin-wall-gearbox-shell-1024x715.webp 1024w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-foam-casting-of-gray-cast-iron-thin-wall-gearbox-shell-768x536.webp 768w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-foam-casting-of-gray-cast-iron-thin-wall-gearbox-shell-18x12.webp 18w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-foam-casting-of-gray-cast-iron-thin-wall-gearbox-shell-600x419.webp 600w\" sizes=\"(max-width: 1348px) 100vw, 1348px\" \/><\/p>\n<h2 id=\"production-conditions-for-thin-wall-gearbox-housings\"><strong>\u0634\u0631\u0648\u0637 \u0625\u0646\u062a\u0627\u062c \u0639\u0644\u0628 \u0627\u0644\u062a\u0631\u0648\u0633 \u0630\u0627\u062a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 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\u0627\u0644\u0623\u0633\u0637\u0648\u0627\u0646\u064a \u0645\u0639 \u0623\u0648\u0632\u0627\u0646 \u062f\u0641\u0639\u0627\u062a \u062a\u0635\u0644 \u0625\u0644\u0649 2100 \u0643\u062c\u0645. \u062a\u064f\u0645\u0643\u0651\u0646 \u0647\u0630\u0647 \u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0645\u0646 \u062a\u0635\u0646\u064a\u0639 \u0643\u0645\u064a\u0627\u062a \u0643\u0628\u064a\u0631\u0629 \u0628\u0643\u0641\u0627\u0621\u0629 \u0639\u0627\u0644\u064a\u0629.<\/p>\n<p>\u062a\u0634\u0645\u0644 \u0623\u0646\u0648\u0627\u0639 \u0647\u064a\u0627\u0643\u0644 \u0639\u0644\u0628 \u0627\u0644\u062a\u0631\u0648\u0633 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0646\u0645\u0627\u0630\u062c \u0628\u0623\u0628\u0639\u0627\u062f \u062a\u0642\u0631\u064a\u0628\u064a\u0629 780 \u00d7 450 \u00d7 440 \u0645\u0645 (\u0633\u064f\u0645\u0643 \u0627\u0644\u062c\u062f\u0627\u0631 5-6 \u0645\u0645\u060c \u0627\u0644\u0648\u0632\u0646 100 \u0643\u062c\u0645)\u060c \u0648680 \u00d7 320 \u00d7 245 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\u0627\u0644\u0639\u0627\u0644\u064a\u0629\u060c \u0648\u0627\u0644\u0623\u0634\u0643\u0627\u0644 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0627\u0644\u0645\u0639\u0642\u062f\u0629\u060c \u0648\u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u062a\u062f\u0641\u0642 \u0645\u0639\u062f\u0646\u064a \u0645\u0646\u062a\u0638\u0645 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0639\u0628\u0626\u0629.<\/p>\n<h2 id=\"typical-material-and-cluster-configurations\"><strong>\u062a\u0643\u0648\u064a\u0646\u0627\u062a \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/strong><\/h2>\n<p>\u064a\u064f\u0633\u062a\u062e\u062f\u0645 \u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0627\u0644\u0631\u0645\u0627\u062f\u064a HT300 \u0643\u0645\u0627\u062f\u0629 \u0623\u0633\u0627\u0633\u064a\u0629\u060c \u062d\u064a\u062b \u064a\u0648\u0641\u0631 \u0642\u0648\u0629\u064b \u0648\u0645\u062a\u0627\u0646\u0629\u064b \u0645\u0646\u0627\u0633\u0628\u062a\u064a\u0646 \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0644\u0628 \u0627\u0644\u062a\u0631\u0648\u0633. \u0648\u062a\u064f\u0646\u062a\u062c \u0642\u0648\u0627\u0644\u0628 \u0627\u0644\u0635\u0628 \u0627\u0644\u0639\u0646\u0642\u0648\u062f\u064a\u0629 \u0645\u0646 6 \u0625\u0644\u0649 8 \u0642\u0637\u0639 \u0644\u0643\u0644 \u0642\u0627\u0644\u0628. \u064a\u064f\u062d\u0633\u0651\u0646 \u0647\u0630\u0627 \u0627\u0644\u0625\u0639\u062f\u0627\u062f \u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0645\u0639 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u062a\u0645\u0627\u0633\u0643 \u0627\u0644\u0631\u0645\u0644 \u0628\u0634\u0643\u0644 \u0645\u062a\u062c\u0627\u0646\u0633 \u062d\u0648\u0644 \u0627\u0644\u0623\u0634\u0643\u0627\u0644 \u0627\u0644\u0645\u0639\u0642\u062f\u0629.<\/p>\n<h2 id=\"coating-and-sand-preparation-standards\"><strong>\u0645\u0639\u0627\u064a\u064a\u0631 \u062a\u062d\u0636\u064a\u0631 \u0627\u0644\u0637\u0644\u0627\u0621 \u0648\u0627\u0644\u0631\u0645\u0644<\/strong><\/h2>\n<p>\u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0637\u0644\u0627\u0621\u0627\u062a \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u0627\u0631\u0629 \u062a\u062d\u0643\u0645\u064b\u0627 \u062f\u0642\u064a\u0642\u064b\u0627 \u0641\u064a \u0627\u0644\u0644\u0632\u0648\u062c\u0629 \u0648\u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0635\u0644\u0628\u0629 \u0648\u0627\u0644\u062a\u062c\u0641\u064a\u0641. \u064a\u0636\u0645\u0646 \u0647\u0630\u0627 \u0627\u0644\u062a\u062d\u0643\u0645 \u0646\u0641\u0627\u0630\u064a\u0629 \u0627\u0644\u063a\u0627\u0632\u0627\u062a \u0648\u0627\u0644\u0633\u0648\u0627\u0626\u0644. \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u062c\u0646\u0628 \u0636\u063a\u0637 \u0627\u0644\u0631\u0645\u0644 \u0628\u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0623\u064a \u062a\u0634\u0648\u0647 \u0641\u064a \u0627\u0644\u0634\u0643\u0644\u060c \u062e\u0627\u0635\u0629 \u0641\u064a \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0631\u0642\u064a\u0642\u0629. \u062a\u0645\u0646\u0639 \u0647\u0630\u0647 \u0627\u0644\u0639\u0646\u0627\u064a\u0629 \u0627\u062e\u062a\u0631\u0627\u0642 \u0627\u0644\u0645\u0639\u062f\u0646 \u0623\u0648 \u0627\u0644\u0627\u0646\u0647\u064a\u0627\u0631 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0635\u0628.<\/p>\n<h2 id=\"initial-quality-challenges-in-lost-foam-casting\"><strong>\u0627\u0644\u062a\u062d\u062f\u064a\u0627\u062a \u0627\u0644\u0623\u0648\u0644\u064a\u0629 \u0627\u0644\u0645\u062a\u0639\u0644\u0642\u0629 \u0628\u0627\u0644\u062c\u0648\u062f\u0629 \u0641\u064a \u0635\u0628 \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u0645\u0641\u0642\u0648\u062f\u0629<\/strong><\/h2>\n<p>\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0648\u0627\u062c\u0647 \u0627\u0644\u062f\u0641\u0639\u0627\u062a \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u064a\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u0644\u0647\u064a\u0627\u0643\u0644 \u0639\u0644\u0628 \u0627\u0644\u062a\u0631\u0648\u0633 \u0630\u0627\u062a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629 \u0645\u0639\u062f\u0644\u0627\u062a \u0639\u064a\u0648\u0628 \u0639\u0627\u0644\u064a\u0629 \u0623\u062b\u0646\u0627\u0621 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0633\u0631\u0628 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a. \u062a\u0634\u0645\u0644 \u0627\u0644\u0645\u0634\u0643\u0644\u0627\u062a \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0646\u0642\u0627\u0637 \u062a\u0633\u0631\u0628 \u0645\u0631\u0643\u0632\u0629\u060c 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\u0627\u0644\u0642\u0627\u0644\u0628 \u0648\u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u062a\u0635\u0627\u0642 \u0627\u0644\u0631\u0645\u0644.<\/p>\n<h2 id=\"common-defect-mechanisms-in-thin-wall-components\"><strong>\u0622\u0644\u064a\u0627\u062a \u0627\u0644\u0639\u064a\u0648\u0628 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0641\u064a \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629<\/strong><\/h2>\n<p>\u062a\u0624\u062f\u064a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629 \u0625\u0644\u0649 \u062a\u0633\u0631\u064a\u0639 \u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u062d\u0631\u0627\u0631\u0629\u060c \u0645\u0645\u0627 \u064a\u0632\u064a\u062f \u0645\u0646 \u0645\u062e\u0627\u0637\u0631 \u0639\u062f\u0645 \u0627\u0646\u062a\u0638\u0627\u0645 \u0627\u0644\u0637\u0628\u0642\u0629\u060c \u0648\u0627\u0644\u0637\u064a\u0627\u062a\u060c \u0648\u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0629. \u0642\u062f \u062a\u062a\u0633\u0628\u0628 \u0646\u0648\u0627\u062a\u062c \u0627\u0644\u062a\u062d\u0644\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0639\u0646 \u062a\u062d\u0644\u0644 \u0627\u0644\u0631\u063a\u0648\u0629 \u0641\u064a \u0638\u0647\u0648\u0631 \u0644\u0645\u0639\u0627\u0646 \u0643\u0631\u0628\u0648\u0646\u064a \u0623\u0648 \u062a\u062c\u0627\u0639\u064a\u062f \u0625\u0630\u0627 \u0644\u0645 \u064a\u0642\u0645 \u0627\u0644\u0639\u0645\u0627\u0644 \u0628\u062a\u0647\u0648\u064a\u062a\u0647\u0627 \u0623\u0648 \u0627\u0645\u062a\u0635\u0627\u0635\u0647\u0627 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d \u0628\u0648\u0627\u0633\u0637\u0629 \u0627\u0644\u0637\u0644\u0627\u0621. \u062a\u0639\u0645\u0644 \u0627\u0644\u0633\u0631\u0639\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0644\u0644\u0645\u0639\u0627\u062f\u0646 \u0639\u0644\u0649 \u062d\u0628\u0633 \u0627\u0644\u063a\u0627\u0632\u0627\u062a\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0624\u062f\u064a \u0627\u0644\u0633\u0631\u0639\u0627\u062a \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u0625\u0644\u0649 \u0639\u062f\u0645 \u0627\u0643\u062a\u0645\u0627\u0644 \u0627\u0644\u062a\u0639\u0628\u0626\u0629.<\/p>\n<h2 id=\"impact-on-hydraulic-pressure-testing\"><strong>\u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0639\u0644\u0649 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a<\/strong><\/h2>\n<p>\u063a\u0627\u0644\u0628\u0627\u064b \u0645\u0627 \u062a\u0638\u0647\u0631 \u062d\u0627\u0644\u0627\u062a \u0641\u0634\u0644 \u0627\u0644\u062a\u0633\u0631\u0628 \u0639\u0646\u062f \u0636\u063a\u0637 3 \u0643\u062c\u0645 \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0645\u0639\u0631\u0636\u0629 \u0644\u0644\u0636\u063a\u0637 \u0623\u0648 \u0641\u064a \u0627\u0644\u0645\u0642\u0627\u0637\u0639 \u0627\u0644\u0631\u0642\u064a\u0642\u0629. \u0648\u062a\u0646\u062a\u062c \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0639\u0646 \u0645\u0633\u0627\u0645\u064a\u0629 \u0627\u0644\u0627\u0646\u0643\u0645\u0627\u0634\u060c \u0623\u0648 \u0634\u0648\u0627\u0626\u0628 \u0627\u0644\u0623\u0643\u0633\u064a\u062f\u060c \u0623\u0648 \u0627\u0644\u0644\u062d\u0627\u0645\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0639\u0646\u062f \u0646\u0642\u0627\u0637 \u0627\u0646\u0635\u0647\u0627\u0631 \u062c\u0628\u0647\u0629 \u0627\u0644\u0645\u0639\u062f\u0646.<\/p>\n<h2 id=\"design-principles-for-thin-wall-applications\"><strong>\u0645\u0628\u0627\u062f\u0626 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629<\/strong><\/h2>\n<p>\u064a\u064f\u0633\u0647\u0645 \u0646\u0638\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0627\u062a \u0627\u0644\u0645\u0641\u062a\u0648\u062d\u060c \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0643\u0635\u0645\u0627\u0645 \u062e\u0627\u0646\u0642\u060c \u0641\u064a \u0627\u0644\u062a\u062d\u0643\u0645 \u0628\u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0639\u0628\u0626\u0629. \u0648\u062a\u0639\u0645\u0644 \u0627\u0644\u0628\u0648\u0627\u0628\u0627\u062a \u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0646\u0642\u0627\u0637 \u0639\u0644\u0649 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0645\u0639\u062f\u0646 \u0628\u0627\u0644\u062a\u0633\u0627\u0648\u064a\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0633\u0627\u062e\u0646\u0629 \u0627\u0644\u0645\u0648\u0636\u0639\u064a\u0629 \u0648\u064a\u064f\u062d\u0633\u0651\u0646 \u0627\u0644\u062a\u0635\u0644\u0628 \u0627\u0644\u0627\u062a\u062c\u0627\u0647\u064a. \u0643\u0645\u0627 \u062a\u064f\u0633\u0627\u0639\u062f \u0642\u0646\u0648\u0627\u062a \u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0623\u0639\u0644\u0649 \u0627\u0644\u0646\u0642\u0627\u0637\u060c \u0648\u0627\u0644\u062a\u064a \u0644\u0627 \u062a\u0642\u0644 \u0645\u0633\u0627\u062d\u0629 \u0645\u0642\u0637\u0639\u0647\u0627 \u0627\u0644\u0639\u0631\u0636\u064a \u0639\u0646 50% \u0645\u0646 \u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0628\u0648\u0627\u0628\u0629\u060c \u0639\u0644\u0649 \u062e\u0631\u0648\u062c \u0627\u0644\u063a\u0627\u0632\u0627\u062a.<\/p>\n<h2 id=\"optimization-of-the-burial-scheme\"><strong>\u062a\u062d\u0633\u064a\u0646 \u0645\u062e\u0637\u0637 \u0627\u0644\u062f\u0641\u0646<\/strong><\/h2>\n<p>\u064a\u0624\u062b\u0631 \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u062f\u0641\u0646 \u062f\u0627\u062e\u0644 \u0627\u0644\u0642\u0627\u0644\u0628 \u0639\u0644\u0649 \u0643\u0644\u064d \u0645\u0646 \u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0627\u062a \u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u0648\u0627\u0644\u062a\u0635\u0644\u0628 \u0627\u0644\u0627\u062a\u062c\u0627\u0647\u064a. \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u062a\u0633\u0628\u0628 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0642\u062f\u064a\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u064f\u0648\u062c\u0647 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u063a\u064a\u0631 \u0627\u0644\u062d\u0627\u0645\u0644\u0629 \u0644\u0644\u0636\u063a\u0637 \u0646\u062d\u0648 \u0627\u0644\u0623\u0633\u0641\u0644 \u0641\u064a \u0639\u062f\u0645 \u0627\u0643\u062a\u0645\u0627\u0644 \u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062d\u0631\u062c\u0629. \u0623\u0645\u0627 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0645\u064f\u062d\u0633\u0651\u0646\u0629 \u0641\u062a\u064f\u0648\u062c\u0647 \u0627\u0644\u0623\u0633\u0637\u062d \u0627\u0644\u062d\u0627\u0645\u0644\u0629 \u0644\u0644\u0636\u063a\u0637 \u0646\u062d\u0648 \u0627\u0644\u0623\u0633\u0641\u0644 \u0645\u0639 \u062a\u0648\u062c\u064a\u0647 \u0627\u0644\u0641\u062a\u062d\u0627\u062a \u0627\u0644\u0643\u0628\u064a\u0631\u0629 \u0646\u062d\u0648 \u0627\u0644\u0623\u0639\u0644\u0649. \u064a\u0633\u0645\u062d \u0647\u0630\u0627 \u0627\u0644\u062a\u063a\u064a\u064a\u0631 \u0628\u062a\u062f\u0641\u0642 \u0645\u062f\u0639\u0648\u0645 \u0628\u0627\u0644\u062c\u0627\u0630\u0628\u064a\u0629 \u0648\u062f\u0639\u0645 \u0623\u0641\u0636\u0644 \u0644\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u0631\u0642\u064a\u0642\u0629. \u0643\u0645\u0627 \u064a\u064f\u062a\u064a\u062d \u0647\u0630\u0627 \u0627\u0644\u062a\u0639\u062f\u064a\u0644 \u0643\u062b\u0627\u0641\u0629 \u0623\u0639\u0644\u0649 \u0644\u0644\u0645\u062c\u0645\u0648\u0639\u0627\u062a - \u0645\u062b\u0644 \u062b\u0645\u0627\u0646\u064a \u0642\u0637\u0639 \u0644\u0643\u0644 \u0642\u0627\u0644\u0628 \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u0646\u0645\u0627\u0630\u062c - \u0645\u0639 \u062a\u062d\u0633\u064a\u0646 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0635\u0628 \u0628\u0634\u0643\u0644 \u0639\u0627\u0645 \u0648\u062a\u0642\u0644\u064a\u0644 \u0645\u0639\u062f\u0644\u0627\u062a \u0641\u0634\u0644 \u0627\u0644\u062a\u0633\u0631\u0628.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-4976\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/lost-foam-casting-equipment-manufacturer-China.webp\" alt=\"\u0634\u0631\u0643\u0629 \u062a\u0635\u0646\u064a\u0639 \u0645\u0639\u062f\u0627\u062a \u0635\u0628 \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u0645\u0641\u0642\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0635\u064a\u0646\" width=\"768\" height=\"576\" srcset=\"https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/lost-foam-casting-equipment-manufacturer-China.webp 768w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/lost-foam-casting-equipment-manufacturer-China-300x225.webp 300w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/lost-foam-casting-equipment-manufacturer-China-16x12.webp 16w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/lost-foam-casting-equipment-manufacturer-China-600x450.webp 600w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/p>\n<h2 id=\"influence-of-orientation-on-solidification-sequence\"><strong>\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u062a\u0648\u062c\u064a\u0647 \u0639\u0644\u0649 \u062a\u0633\u0644\u0633\u0644 \u0627\u0644\u062a\u0635\u0644\u0628<\/strong><\/h2>\n<p>\u062a\u0639\u0645\u0644 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0645\u0639\u0631\u0636\u0629 \u0644\u0644\u0636\u063a\u0637 \u0628\u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0623\u0633\u0641\u0644 \u0639\u0644\u0649 \u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u062a\u0635\u0644\u0628 \u0627\u0644\u062a\u062f\u0631\u064a\u062c\u064a \u0645\u0646 \u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u0631\u0642\u064a\u0642\u0629 \u0625\u0644\u0649 \u0627\u0644\u0633\u0645\u064a\u0643\u0629. \u0648\u0647\u0630\u0627 \u064a\u0633\u0627\u0639\u062f \u0639\u0644\u0649 \u0627\u0644\u062a\u063a\u0630\u064a\u0629 \u0648\u064a\u0642\u0644\u0644 \u0645\u0646 \u0645\u0633\u0627\u0645\u064a\u0629 \u0627\u0644\u0627\u0646\u0643\u0645\u0627\u0634.<\/p>\n<h2 id=\"cluster-density-improvements\"><strong>\u062a\u062d\u0633\u064a\u0646\u0627\u062a \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0627\u062a<\/strong><\/h2>\n<p>\u0623\u062f\u062a \u062f\u0639\u0627\u0645\u0627\u062a \u0627\u0644\u062f\u0641\u0646 \u0627\u0644\u0645\u064f\u0639\u062f\u0651\u0644\u0629 \u0625\u0644\u0649 \u0632\u064a\u0627\u062f\u0629 \u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u062f\u0648\u0646 \u0627\u0644\u0625\u0636\u0631\u0627\u0631 \u0628\u062a\u062f\u0641\u0642 \u0627\u0644\u0631\u0645\u0627\u0644 \u0625\u0644\u0649 \u0627\u0644\u062a\u062c\u0627\u0648\u064a\u0641 \u0627\u0644\u0645\u0639\u0642\u062f\u0629\u060c \u0645\u0645\u0627 \u064a\u0639\u0632\u0632 \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u064a\u0629.<\/p>\n<h2 id=\"optimization-of-negative-pressure-parameters\"><strong>\u062a\u062d\u0633\u064a\u0646 \u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0633\u0644\u0628\u064a<\/strong><\/h2>\n<p>\u064a\u0624\u062b\u0631 \u0627\u0644\u062a\u062d\u0643\u0645 \u0628\u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0633\u0644\u0628\u064a \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0642\u0627\u0644\u0628 \u0627\u0644\u0631\u0645\u0644\u060c \u0648\u0625\u062e\u0631\u0627\u062c \u0627\u0644\u063a\u0627\u0632\u060c \u0648\u062a\u0643\u0648\u0651\u0646 \u0627\u0644\u0639\u064a\u0648\u0628 \u0641\u064a \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u0645\u0641\u0642\u0648\u062f\u0629. \u062a\u064f\u0638\u0647\u0631 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u0646\u0647\u062c\u064a\u0629 \u0636\u0645\u0646 \u0646\u0637\u0627\u0642 \u064a\u062a\u0631\u0627\u0648\u062d \u0645\u0646 0.040 \u0625\u0644\u0649 0.052 (\u0628\u0632\u064a\u0627\u062f\u0627\u062a \u0642\u062f\u0631\u0647\u0627 0.001) \u0642\u064a\u0645\u0629\u064b \u0645\u062b\u0627\u0644\u064a\u0629\u064b \u062a\u0628\u0644\u063a \u062d\u0648\u0627\u0644\u064a 0.049 \u0644\u0623\u063a\u0644\u0641\u0629 \u0639\u0644\u0628 \u0627\u0644\u062a\u0631\u0648\u0633 \u0630\u0627\u062a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629. \u0639\u0646\u062f \u0647\u0630\u0627 \u0627\u0644\u0645\u0633\u062a\u0648\u0649\u060c \u062a\u0646\u062e\u0641\u0636 \u0645\u0639\u062f\u0644\u0627\u062a \u0627\u0644\u062a\u0633\u0631\u0628 \u0628\u0634\u0643\u0644 \u0645\u0644\u062d\u0648\u0638 (\u0625\u0644\u0649 \u062d\u0648\u0627\u0644\u064a 25%)\u060c \u0625\u0644\u0649 \u062c\u0627\u0646\u0628 \u0627\u0646\u062e\u0641\u0627\u0636 \u0639\u064a\u0648\u0628 \u0627\u0644\u062e\u0628\u062b (\u062d\u0648\u0627\u0644\u064a 22%). \u064a\u0639\u0645\u0644 \u0627\u0644\u0641\u0631\u0627\u063a \u0639\u0644\u0649 \u0636\u063a\u0637 \u0627\u0644\u0631\u0645\u0644 \u062c\u064a\u062f\u064b\u0627 \u062f\u0648\u0646 \u0627\u0644\u062a\u0633\u0628\u0628 \u0641\u064a \u0627\u0646\u0647\u064a\u0627\u0631 \u0627\u0644\u0642\u0627\u0644\u0628 \u0623\u0648 \u0627\u0644\u062a\u0635\u0627\u0642 \u0627\u0644\u0631\u0645\u0644 \u0628\u0634\u0643\u0644 \u0645\u0641\u0631\u0637. \u062a\u0624\u062f\u064a \u0627\u0644\u0636\u063a\u0648\u0637 \u0627\u0644\u0623\u0639\u0644\u0649 \u0623\u0648 \u0627\u0644\u0623\u0642\u0644 \u0625\u0644\u0649 \u0627\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0639\u064a\u0648\u0628 \u0628\u0633\u0628\u0628 \u0636\u0639\u0641 \u0627\u0644\u0636\u063a\u0637 \u0623\u0648 \u0627\u0646\u062d\u0628\u0627\u0633 \u0627\u0644\u063a\u0627\u0632.<\/p>\n<h2 id=\"vacuum-effects-on-mold-integrity-and-gas-removal\"><strong>\u062a\u0623\u062b\u064a\u0631\u0627\u062a \u0627\u0644\u0641\u0631\u0627\u063a \u0639\u0644\u0649 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0639\u0641\u0646 \u0648\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u063a\u0627\u0632\u0627\u062a<\/strong><\/h2>\n<p>\u064a\u064f\u062d\u0633\u0651\u0646 \u0627\u0644\u0641\u0631\u0627\u063a \u0627\u0644\u0645\u0639\u062a\u062f\u0644 \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0631\u0645\u0644 \u062d\u0648\u0644 \u0627\u0644\u0642\u0648\u0627\u0644\u0628 \u0645\u0639 \u0625\u0632\u0627\u0644\u0629 \u063a\u0627\u0632\u0627\u062a \u0627\u0644\u062a\u062d\u0644\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u060c \u0645\u0645\u0627 \u064a\u0645\u0646\u0639 \u062d\u062f\u0648\u062b \u0627\u0644\u0637\u064a\u0627\u062a \u0648\u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0629. \u0623\u0645\u0627 \u0627\u0644\u0641\u0631\u0627\u063a \u0627\u0644\u0645\u0641\u0631\u0637 \u0641\u064a\u064f\u0639\u0631\u0651\u0636 \u0627\u0644\u0642\u0648\u0627\u0644\u0628 \u0627\u0644\u0631\u0642\u064a\u0642\u0629 \u0644\u062e\u0637\u0631 \u0627\u0644\u0627\u0646\u0647\u064a\u0627\u0631.<\/p>\n<h2 id=\"temperature-fluidity-relationship-in-gray-iron\"><strong>\u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0628\u064a\u0646 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u0633\u064a\u0648\u0644\u0629 \u0641\u064a \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0627\u0644\u0631\u0645\u0627\u062f\u064a<\/strong><\/h2>\n<p>\u062a\u0639\u0648\u0636 \u062f\u0631\u062c\u0629 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0641\u0627\u0626\u0642\u0629 \u0627\u0644\u0645\u0631\u062a\u0641\u0639\u0629 \u0639\u0646 \u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0633\u0631\u064a\u0639 \u0641\u064a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629\u060c \u0645\u0645\u0627 \u064a\u0636\u0645\u0646 \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0627\u0644\u0646\u0645\u0637 \u0628\u0627\u0644\u0643\u0627\u0645\u0644 \u0642\u0628\u0644 \u0627\u0644\u062a\u0635\u0644\u0628. \u0648\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0646\u0637\u0627\u0642\u0627\u062a \u0627\u0644\u0645\u062b\u0644\u0649 \u0628\u064a\u0646 \u0627\u0644\u0633\u064a\u0648\u0644\u0629 \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0646\u0628\u0639\u0627\u062b \u0627\u0644\u063a\u0627\u0632.<\/p>\n<h2 id=\"optimization-of-carbon-equivalent\"><strong>\u062a\u062d\u0633\u064a\u0646 \u0645\u0643\u0627\u0641\u0626 \u0627\u0644\u0643\u0631\u0628\u0648\u0646<\/strong><\/h2>\n<p>\u064a\u0624\u062b\u0631 \u0645\u0643\u0627\u0641\u0626 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (CE)\u060c \u0627\u0644\u0645\u062d\u0633\u0648\u0628 \u0643\u0646\u0633\u0628\u0629 \u0645\u0626\u0648\u064a\u0629 \u0645\u0646 \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0648\u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646 (CE = C + Si\/3)\u060c \u0639\u0644\u0649 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u0645\u062c\u0647\u0631\u064a\u0629\u060c \u0648\u0627\u0644\u0633\u064a\u0648\u0644\u0629\u060c \u0648\u0633\u0644\u0648\u0643 \u0627\u0644\u0627\u0646\u0643\u0645\u0627\u0634 \u0641\u064a \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0627\u0644\u0631\u0645\u0627\u062f\u064a. \u0648\u0642\u062f \u0623\u0638\u0647\u0631\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u064a \u0623\u062c\u0631\u064a\u062a \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u064a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 3.6% \u06484.3% \u0623\u0646 \u0627\u0644\u0646\u0633\u0628\u0629 \u0627\u0644\u0645\u062b\u0644\u0649 \u0647\u064a 4.1%. \u062a\u064f\u0639\u0637\u064a \u0647\u0630\u0647 \u0627\u0644\u0642\u064a\u0645\u0629 \u0623\u0642\u0644 \u0645\u0639\u062f\u0644\u0627\u062a \u0644\u0644\u062a\u0633\u0631\u0628 (12%) \u0648\u0627\u0644\u062e\u0628\u062b (10%) \u0639\u0646\u062f \u062f\u0645\u062c\u0647\u0627 \u0645\u0639 \u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0635\u0628 \u0645\u0646\u0627\u0633\u0628\u0629 (1515-1525 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629). \u0643\u0645\u0627 \u0623\u0646\u0647\u0627 \u062a\u064f\u0648\u0627\u0632\u0646 \u0628\u064a\u0646 \u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u062c\u0631\u0627\u0641\u064a\u062a \u0627\u0644\u0644\u0627\u0632\u0645 \u0644\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0622\u0644\u064a \u0648\u0628\u064a\u0646 \u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0627\u0644\u0643\u0627\u0641\u064a\u0629 \u0644\u062a\u0644\u0628\u064a\u0629 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0636\u063a\u0637. \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0630\u0644\u0643\u060c \u062a\u064f\u0642\u0644\u0644 \u0647\u0630\u0647 \u0627\u0644\u0646\u0633\u0628\u0629 \u0645\u0646 \u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u0642\u0627\u0637\u0639 \u0627\u0644\u0631\u0642\u064a\u0642\u0629.<\/p>\n<h2 id=\"microstructural-benefits-of-optimized-ce\"><strong>\u0627\u0644\u0641\u0648\u0627\u0626\u062f \u0627\u0644\u0645\u064a\u0643\u0631\u0648\u064a\u0629 \u0644\u0644\u062a\u062d\u0633\u064a\u0646 \u0641\u064a \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u063a\u0644\u064a\u0641 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/strong><\/h2>\n<p>\u064a\u064f\u0639\u0632\u0632 \u0627\u0644\u062a\u063a\u0644\u064a\u0641 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u062c\u0631\u0627\u0641\u064a\u062a \u0627\u0644\u0631\u0642\u0627\u0626\u0642\u064a \u0645\u0645\u0627 \u064a\u064f\u062d\u0633\u0651\u0646 \u0627\u0644\u062a\u062e\u0645\u064a\u062f \u0648\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644. \u0643\u0645\u0627 \u0623\u0646\u0647 \u064a\u064f\u0642\u0644\u0644 \u0645\u0646 \u0645\u062e\u0627\u0637\u0631 \u062a\u0643\u0648\u0651\u0646 \u0627\u0644\u0643\u0631\u0628\u064a\u062f\u0627\u062a \u0641\u064a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629.<\/p>\n<h2 id=\"additional-process-optimizations-coating-and-pattern-considerations\"><strong>\u062a\u062d\u0633\u064a\u0646\u0627\u062a \u0625\u0636\u0627\u0641\u064a\u0629 \u0644\u0644\u0639\u0645\u0644\u064a\u0629: \u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0637\u0644\u0627\u0621 \u0648\u0627\u0644\u0646\u0645\u0637<\/strong><\/h2>\n<h3 id=\"refractory-coating-permeability-and-thickness-control\"><strong>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0646\u0641\u0627\u0630\u064a\u0629 \u0648\u0633\u0645\u0643 \u0627\u0644\u0637\u0644\u0627\u0621 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u062d\u0631\u0627\u0631\u0629<\/strong><\/h3>\n<p>\u062a\u0644\u0639\u0628 \u0646\u0641\u0627\u0630\u064a\u0629 \u0627\u0644\u0637\u0644\u0627\u0621 \u0644\u0644\u063a\u0627\u0632\u0627\u062a \u0648\u0627\u0644\u0633\u0648\u0627\u0626\u0644 \u062f\u0648\u0631\u064b\u0627 \u0631\u0626\u064a\u0633\u064a\u064b\u0627 \u0641\u064a \u0627\u0644\u062a\u062d\u0643\u0645 \u0628\u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u0648\u062a\u0643\u0648\u0651\u0646 \u0627\u0644\u0639\u064a\u0648\u0628. \u0648\u064a\u064f\u062d\u0642\u0642 \u0633\u064f\u0645\u0643\u064c \u0645\u064f\u0633\u062a\u0647\u062f\u0641 \u064a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 0.25 \u06480.50 \u0645\u0645 \u062a\u0648\u0627\u0632\u0646\u064b\u0627 \u0628\u064a\u0646 \u0627\u0644\u0639\u0632\u0644 \u0648\u0627\u0644\u0646\u0641\u0627\u0630\u064a\u0629. \u0641\u0627\u0644\u0646\u0641\u0627\u0630\u064a\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u062a\u062d\u0628\u0633 \u0646\u0648\u0627\u062a\u062c \u0627\u0644\u062a\u062d\u0644\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0648\u062a\u064f\u0633\u0628\u0628 \u0639\u064a\u0648\u0628\u064b\u0627 \u0633\u0637\u062d\u064a\u0629 \u0645\u062b\u0644 \u0622\u062b\u0627\u0631 \u0627\u0644\u062f\u064a\u062f\u0627\u0646 \u0623\u0648 \u0627\u0644\u0637\u064a\u0627\u062a. \u0623\u0645\u0627 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u0633\u0628\u0648\u0643\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629\u060c \u0641\u0625\u0646 \u0627\u0644\u0637\u0644\u0627\u0621\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0646\u0641\u0627\u0630\u064a\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0644\u0644\u0633\u0648\u0627\u0626\u0644 \u062a\u064f\u0633\u0627\u0639\u062f \u0639\u0644\u0649 \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0628\u0642\u0627\u064a\u0627 \u0639\u0646\u062f \u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0645\u0646\u062e\u0641\u0636\u0629.<\/p>\n<h3 id=\"foam-pattern-density-and-quality\"><strong>\u0643\u062b\u0627\u0641\u0629 \u0648\u062c\u0648\u062f\u0629 \u0646\u0645\u0637 \u0627\u0644\u0631\u063a\u0648\u0629<\/strong><\/h3>\n<p>\u064a\u064f\u062d\u0633\u0651\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0631\u063a\u0648\u0629 \u0627\u0644\u0628\u0648\u0644\u064a\u0633\u062a\u0631\u064a\u0646 \u0627\u0644\u0645\u0648\u0633\u0639 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u0643\u062b\u0627\u0641\u0629 (\u0627\u0644\u0645\u064f\u0635\u0645\u0645\u0629 \u0644\u062a\u062d\u0642\u064a\u0642 \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0628\u064a\u0646 \u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0648\u0627\u0644\u062a\u062d\u0644\u0644) \u0645\u0646 \u0645\u0644\u0621 \u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u0631\u0642\u064a\u0642\u0629. \u0645\u0639 \u0630\u0644\u0643\u060c \u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u0623\u0645\u0631 \u0639\u0646\u0627\u064a\u0629 \u0641\u0627\u0626\u0642\u0629 \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u062a\u0634\u0648\u0647. \u062a\u064f\u0633\u0628\u0628 \u062a\u062f\u0631\u062c\u0627\u062a \u0627\u0644\u0643\u062b\u0627\u0641\u0629 \u062f\u0627\u062e\u0644 \u0627\u0644\u0642\u0648\u0627\u0644\u0628 \u062a\u0634\u0648\u0647\u064b\u0627 \u0623\u0648 \u0639\u062f\u0645 \u0627\u0646\u062a\u0638\u0627\u0645 \u0641\u064a \u0627\u0644\u0645\u0644\u0621. \u062a\u064f\u0642\u0644\u0644 \u0638\u0631\u0648\u0641 \u0627\u0644\u0646\u0641\u062e \u0627\u0644\u0645\u0646\u062a\u0638\u0645\u0629 \u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0643\u0644\u0627\u062a. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0623\u0634\u0643\u0627\u0644 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0627\u0644\u0645\u0639\u0642\u062f\u0629\u060c \u062a\u064f\u062d\u0633\u0651\u0646 \u062f\u0628\u0627\u0628\u064a\u0633 \u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0627\u0644\u0645\u064f\u062b\u0628\u062a\u0629 \u0645\u0633\u0628\u0642\u064b\u0627 \u0623\u0648 \u0627\u0644\u062b\u0642\u0648\u0628 \u0627\u0644\u0645\u062d\u0641\u0648\u0631\u0629 \u0628\u0639\u062f \u0627\u0644\u0637\u0644\u0627\u0621 \u0645\u0646 \u062a\u0635\u0631\u064a\u0641 \u0627\u0644\u063a\u0627\u0632.<\/p>\n<h3 id=\"sand-compaction-and-vibration-parameters\"><strong>\u0645\u0639\u0627\u064a\u064a\u0631 \u0636\u063a\u0637 \u0627\u0644\u0631\u0645\u0644 \u0648\u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632<\/strong><\/h3>\n<p>\u064a\u0645\u0646\u0639 \u062a\u062d\u0633\u064a\u0646 \u062a\u0631\u062f\u062f \u0648\u0633\u0639\u0629 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 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\u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/strong><\/h2>\n<p><strong>\u0645\u0627 \u0647\u064a \u0627\u0644\u062a\u062d\u062f\u064a\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0641\u064a \u0635\u0628 \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u0645\u0641\u0642\u0648\u062f\u0629 \u0644\u0647\u064a\u0627\u0643\u0644 \u0639\u0644\u0628 \u0627\u0644\u062a\u0631\u0648\u0633 \u0630\u0627\u062a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629\u061f<\/strong><\/p>\n<p>\u062a\u0632\u064a\u062f \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629 (5-7 \u0645\u0645) \u0645\u0646 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0627\u0644\u062a\u062d\u0627\u0645 \u0627\u0644\u0628\u0627\u0631\u062f\u060c \u0648\u062a\u0631\u0627\u0643\u0645 \u0627\u0644\u062e\u0628\u062b\u060c \u0648\u0641\u0634\u0644 \u0627\u0644\u062a\u0633\u0631\u0628\u060c \u0648\u0627\u0644\u0637\u064a\u0627\u062a\u060c 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\u0648\u0646\u0641\u0627\u0630\u064a\u0629 \u0627\u0644\u0637\u0644\u0627\u0621 \u0623\u0645\u0631\u0627\u064b \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629.<\/p>\n<p><strong>\u0643\u064a\u0641 \u064a\u064f\u062d\u0633\u0651\u0646 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0633\u0644\u0628\u064a \u062c\u0648\u062f\u0629 \u0627\u0644\u0635\u0628\u061f<\/strong><\/p>\n<p>\u064a\u0636\u0645\u0646 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0633\u0644\u0628\u064a \u0627\u0644\u0623\u0645\u062b\u0644 (\u062d\u0648\u0627\u0644\u064a 0.049) \u062a\u0645\u0627\u0633\u0643\u064b\u0627 \u0645\u0633\u062a\u0642\u0631\u064b\u0627 \u0644\u0644\u0631\u0645\u0644\u060c \u0648\u0625\u0632\u0627\u0644\u0629 \u0641\u0639\u0627\u0644\u0629 \u0644\u0644\u063a\u0627\u0632\u060c \u0648\u062a\u0642\u0644\u064a\u0644 \u0627\u0646\u0647\u064a\u0627\u0631 \u0627\u0644\u0642\u0627\u0644\u0628 \u0623\u0648 \u0627\u0644\u062a\u0635\u0627\u0642 \u0627\u0644\u0631\u0645\u0644. \u0643\u0645\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u0627\u0644\u062a\u0633\u0631\u0628 \u0648\u0639\u064a\u0648\u0628 \u0627\u0644\u062e\u0628\u062b \u0645\u0639 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u0631\u0642\u064a\u0642\u0629.<\/p>\n<p><strong>\u0645\u0627 \u0647\u0648 \u0627\u0644\u0645\u0643\u0627\u0641\u0626 \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u064a \u0627\u0644\u0630\u064a \u064a\u0648\u0641\u0631 \u0623\u0641\u0636\u0644 \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u0644\u0647\u064a\u0627\u0643\u0644 \u0639\u0644\u0628 \u0627\u0644\u062a\u0631\u0648\u0633 \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0627\u0644\u0631\u0645\u0627\u062f\u064a HT300\u061f<\/strong><\/p>\n<p>\u062a\u064f\u0633\u0627\u0647\u0645 \u0646\u0633\u0628\u0629 4.1% \u062a\u0642\u0631\u064a\u0628\u064b\u0627 \u0645\u0646 \u0645\u0627\u062f\u0629 CE \u0641\u064a \u062a\u062d\u0642\u064a\u0642 \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0628\u064a\u0646 \u0627\u0644\u0633\u064a\u0648\u0644\u0629 \u0648\u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u0645\u062c\u0647\u0631\u064a\u0629 (\u0627\u0644\u062c\u0631\u0627\u0641\u064a\u062a \u0627\u0644\u0631\u0642\u0627\u0626\u0642\u064a) \u0648\u0627\u0644\u0645\u062a\u0627\u0646\u0629. \u0643\u0645\u0627 \u0623\u0646\u0647\u0627 \u062a\u064f\u0642\u0644\u0644 \u0645\u0646 \u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0629 \u0648\u0627\u0644\u062a\u0633\u0631\u0628\u060c \u0648\u062a\u064f\u0639\u0632\u0632 \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0639\u0646\u062f \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647\u0627 \u0645\u0639 \u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0635\u0628 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629.<\/p>\n<p><strong>\u0645\u0627 \u0645\u062f\u0649 \u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0637\u0644\u0627\u0621 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u062d\u0631\u0627\u0631\u0629 \u0641\u064a \u0635\u0628 \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u0645\u0641\u0642\u0648\u062f\u0629 \u0630\u0627\u062a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629\u061f<\/strong><\/p>\n<p>\u062a\u062a\u062d\u0643\u0645 \u0646\u0641\u0627\u0630\u064a\u0629 \u0627\u0644\u0637\u0644\u0627\u0621 \u0648\u0633\u0645\u0627\u0643\u062a\u0647 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0641\u064a \u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0639\u0628\u0626\u0629\u060c \u0648\u062a\u0633\u0631\u0628 \u0627\u0644\u063a\u0627\u0632\/\u0627\u0644\u0633\u0627\u0626\u0644\u060c \u0648\u062a\u0643\u0648\u0651\u0646 \u0627\u0644\u0639\u064a\u0648\u0628. \u0648\u062a\u0645\u0646\u0639 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\u0627\u0644\u0645\u0633\u0627\u0628\u0643 \u0627\u0644\u0630\u064a\u0646 \u064a\u0628\u062d\u062b\u0648\u0646 \u0639\u0646 \u062d\u0644\u0648\u0644 \u0645\u0648\u062b\u0648\u0642\u0629 \u0648\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0643\u0641\u0627\u0621\u0629 \u0644\u062e\u0637\u0648\u0637 \u0625\u0646\u062a\u0627\u062c \u0635\u0628 \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u0645\u0641\u0642\u0648\u062f\u0629 \u0627\u0644\u0627\u0633\u062a\u0641\u0627\u062f\u0629 \u0645\u0646 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u062a\u0642\u062f\u0645\u0629 \u0627\u0644\u0645\u0635\u0645\u0645\u0629 \u062e\u0635\u064a\u0635\u064b\u0627 \u0644\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0631\u0642\u064a\u0642\u0629 \u0648\u0627\u0644\u0645\u0639\u0642\u062f\u0629 \u0645\u062b\u0644 \u0623\u063a\u0644\u0641\u0629 \u0639\u0644\u0628 \u0627\u0644\u062a\u0631\u0648\u0633. <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/ar\/\"><strong>\u062a\u0643\u0646\u0648\u0644\u0648\u062c\u064a\u0627 OC<\/strong><\/a> \u062a\u064f\u0639\u062f\u0651 \u0634\u0631\u0643\u0629\u064b \u0645\u062a\u062e\u0635\u0635\u0629\u064b \u0641\u064a \u062a\u0635\u0646\u064a\u0639 \u0648\u062a\u0648\u0631\u064a\u062f \u0645\u0639\u062f\u0627\u062a \u0635\u0628 \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u0645\u0641\u0642\u0648\u062f\u0629 \u0627\u0644\u0630\u0643\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062c\u0648\u062f\u0629\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/ar\/product-category\/%d9%85%d8%a7%d9%83%d9%8a%d9%86%d8%a9-%d8%b5%d8%a8-%d8%a7%d9%84%d8%b1%d8%ba%d9%88%d8%a9\/\"><strong>\u0622\u0644\u0627\u062a \u0635\u0628 \u0627\u0644\u0631\u063a\u0648\u0629<\/strong><\/a>\u060c \u0648\u0622\u0644\u0627\u062a \u0627\u0644\u0631\u063a\u0648\u0629 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\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0631\u0645\u0644 \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0641\u0631\u0627\u063a \u0628\u0643\u0641\u0627\u0621\u0629 \u0639\u0627\u0644\u064a\u0629. \u0627\u0643\u062a\u0634\u0641 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0643\u0627\u0645\u0644\u0629 \u0645\u0646 \u0645\u0639\u062f\u0627\u062a \u0625\u0646\u062a\u0627\u062c \u0635\u0628 \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u0645\u0641\u0642\u0648\u062f\u0629. <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/ar\/%d8%a7%d9%84%d8%a7%d8%aa%d8%b5%d8%a7%d9%84\/\"><strong>\u062a\u0648\u0627\u0635\u0644 \u0645\u0639 \u0627\u0644\u0641\u0631\u064a\u0642<\/strong><\/a> \u0644\u062a\u0643\u0648\u064a\u0646\u0627\u062a \u062e\u0637\u0648\u0637 \u0645\u062e\u0635\u0635\u0629 \u062a\u0639\u0645\u0644 \u0639\u0644\u0649 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u064a\u0629 \u0648\u0623\u062f\u0627\u0621 \u0627\u0644\u0635\u0628.<\/p>","protected":false},"excerpt":{"rendered":"<p>Lost foam casting, also known as evaporative pattern casting or the EPC process, stands as an advanced near-net-shape forming technology widely used in modern foundry production. This method offers excellent dimensional accuracy, good surface finish, and low environmental impact compared to traditional sand casting. In the process, a polystyrene foam pattern coated with refractory material [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4975,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[160,161],"tags":[],"class_list":["post-4972","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","category-news-blog"],"acf":[],"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/www.oc-epc.com\/ar\/wp-json\/wp\/v2\/posts\/4972","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oc-epc.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oc-epc.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/ar\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/ar\/wp-json\/wp\/v2\/comments?post=4972"}],"version-history":[{"count":3,"href":"https:\/\/www.oc-epc.com\/ar\/wp-json\/wp\/v2\/posts\/4972\/revisions"}],"predecessor-version":[{"id":4983,"href":"https:\/\/www.oc-epc.com\/ar\/wp-json\/wp\/v2\/posts\/4972\/revisions\/4983"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/ar\/wp-json\/wp\/v2\/media\/4975"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/ar\/wp-json\/wp\/v2\/media?parent=4972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/ar\/wp-json\/wp\/v2\/categories?post=4972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/ar\/wp-json\/wp\/v2\/tags?post=4972"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}