{"id":8629,"date":"2025-11-20T13:47:57","date_gmt":"2025-11-20T05:47:57","guid":{"rendered":"https:\/\/www.beierextrusion.com\/?p=8629"},"modified":"2025-12-29T14:11:59","modified_gmt":"2025-12-29T06:11:59","slug":"common-pvc-pipe-extrusion-defects","status":"publish","type":"post","link":"https:\/\/www.beierextrusion.com\/fa\/common-pvc-pipe-extrusion-defects\/","title":{"rendered":"\u06f4 \u0646\u0642\u0635 \u0631\u0627\u06cc\u062c \u0627\u06a9\u0633\u062a\u0631\u0648\u0698\u0646 \u0644\u0648\u0644\u0647 \u067e\u06cc \u0648\u06cc \u0633\u06cc\u060c \u0646\u062d\u0648\u0647 \u062d\u0644 \u0622\u0646\u0647\u0627"},"content":{"rendered":"<h4>\u06f4 \u0639\u06cc\u0628 \u0631\u0627\u06cc\u062c \u0627\u06a9\u0633\u062a\u0631\u0648\u0698\u0646 \u0644\u0648\u0644\u0647 \u067e\u06cc \u0648\u06cc \u0633\u06cc:<\/h4>\n<p>\u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u067e\u0631\u0645\u062e\u0627\u0637\u0631\u0647 \u062a\u0648\u0644\u06cc\u062f \u067e\u0644\u0627\u0633\u062a\u06cc\u06a9\u060c \u0632\u0645\u0627\u0646 \u0627\u0632 \u06a9\u0627\u0631\u0627\u0641\u062a\u0627\u062f\u06af\u06cc \u062f\u0634\u0645\u0646 \u0633\u0648\u062f \u0627\u0633\u062a. <strong><a href=\"\/fa\/pvc-pipe-extrusion-line\/\">\u0627\u06a9\u0633\u062a\u0631\u0648\u0698\u0646 \u0644\u0648\u0644\u0647 \u067e\u06cc \u0648\u06cc \u0633\u06cc<\/a><\/strong> \u06cc\u06a9 \u0641\u0631\u0622\u06cc\u0646\u062f \u062f\u0642\u06cc\u0642 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u062d\u062a\u06cc \u06cc\u06a9 \u0646\u0648\u0633\u0627\u0646 \u062c\u0632\u0626\u06cc \u062f\u0645\u0627 \u06cc\u0627 \u0646\u0627\u062e\u0627\u0644\u0635\u06cc \u0645\u0648\u0627\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0646\u0642\u0635\u200c\u0647\u0627\u06cc \u067e\u0631\u0647\u0632\u06cc\u0646\u0647 \u0634\u0648\u062f. \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627 \u0628\u0627 \u0628\u0647\u0631\u0647\u200c\u06af\u06cc\u0631\u06cc \u0627\u0632 \u06f2\u06f7 \u0633\u0627\u0644 \u062a\u062e\u0635\u0635 \u0645\u0647\u0646\u062f\u0633\u06cc BEIER\u060c \u0639\u0644\u0644 \u0631\u06cc\u0634\u0647\u200c\u0627\u06cc \u062e\u0631\u0627\u0628\u06cc\u200c\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u0627\u06a9\u0633\u062a\u0631\u0648\u0698\u0646 \u0631\u0627 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u06a9\u0631\u062f\u0647 \u0648 \u0631\u0627\u0647\u200c\u062d\u0644\u200c\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc \u0628\u0631\u0627\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u06a9\u06cc\u0641\u06cc\u062a \u062a\u0648\u0644\u06cc\u062f \u0634\u0645\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8632\" src=\"http:\/\/www.beierextrusion.com\/wp-content\/uploads\/2025\/11\/common-pvc-pipe-extrusion-defects-2.webp\" alt=\"Common PVC Pipe Extrusion Defects\" width=\"1100\" height=\"612\" srcset=\"https:\/\/www.beierextrusion.com\/wp-content\/uploads\/2025\/11\/common-pvc-pipe-extrusion-defects-2.webp 1100w, https:\/\/www.beierextrusion.com\/wp-content\/uploads\/2025\/11\/common-pvc-pipe-extrusion-defects-2-300x167.webp 300w, https:\/\/www.beierextrusion.com\/wp-content\/uploads\/2025\/11\/common-pvc-pipe-extrusion-defects-2-1024x570.webp 1024w, https:\/\/www.beierextrusion.com\/wp-content\/uploads\/2025\/11\/common-pvc-pipe-extrusion-defects-2-768x427.webp 768w, https:\/\/www.beierextrusion.com\/wp-content\/uploads\/2025\/11\/common-pvc-pipe-extrusion-defects-2-18x10.webp 18w\" sizes=\"auto, (max-width: 1100px) 100vw, 1100px\" \/><\/p>\n<h4>\u062e\u0631\u0627\u0634\u200c\u0647\u0627\u06cc \u0633\u0637\u062d\u06cc \u0648 \u062e\u0637\u0648\u0637 \u0642\u0627\u0628\u0644 \u0645\u0634\u0627\u0647\u062f\u0647:<\/h4>\n<ul>\n<li>\u0639\u0644\u062a: \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u062f\u0631 \u0627\u062b\u0631 \u062a\u062c\u0645\u0639 \u0645\u0648\u0627\u062f \u06a9\u0631\u0628\u0648\u0646\u06cc\u0632\u0647 \u0634\u062f\u0647 (\u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u0633\u0648\u062e\u062a\u0647) \u062f\u0631 \u0633\u0631 \u0642\u0627\u0644\u0628 \u06cc\u0627 \u0634\u06a9\u0627\u0641\u200c\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u063a\u0644\u0627\u0641 \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u0628\u0646\u062f\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<li>\u0631\u0627\u0647 \u062d\u0644: \u0628\u0647 \u0637\u0648\u0631 \u0645\u0646\u0638\u0645 \u0633\u0646\u0628\u0647 \u0642\u0627\u0644\u0628 \u0648 \u063a\u0644\u0627\u0641 \u0627\u0646\u062f\u0627\u0632\u0647 \u06af\u06cc\u0631\u06cc \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f. \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u062a\u0639\u0648\u06cc\u0636 \u0645\u0648\u0627\u062f \u0627\u0632 \u062a\u0631\u06a9\u06cc\u0628\u0627\u062a \u062a\u0645\u06cc\u0632\u06a9\u0646\u0646\u062f\u0647 \u0628\u0627 \u06a9\u06cc\u0641\u06cc\u062a \u0628\u0627\u0644\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u0645\u0637\u0645\u0626\u0646 \u0634\u0648\u06cc\u062f \u06a9\u0647 \u0633\u0637\u062d \u0622\u0628 \u0645\u062e\u0632\u0646 \u062e\u0646\u06a9 \u06a9\u0646\u0646\u062f\u0647 \u062e\u0644\u0627\u0621 \u067e\u0627\u06cc\u062f\u0627\u0631 \u0627\u0633\u062a \u0648 \u0646\u0627\u0632\u0644 \u0647\u0627\u06cc \u0627\u0633\u067e\u0631\u06cc \u0645\u0633\u062f\u0648\u062f \u0646\u0634\u062f\u0647 \u0627\u0646\u062f.<\/li>\n<\/ul>\n<h4>\u0636\u062e\u0627\u0645\u062a \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u0627\u0647\u0645\u0648\u0627\u0631:<\/h4>\n<ul>\n<li>\u0639\u0644\u062a: \u0642\u0631\u0627\u0631 \u06af\u0631\u0641\u062a\u0646 \u0646\u0627\u0645\u0646\u0627\u0633\u0628 \u0633\u0631 \u0642\u0627\u0644\u0628 \u062f\u0631 \u0645\u0631\u06a9\u0632\u060c \u0646\u0648\u0627\u062d\u06cc \u06af\u0631\u0645\u0627\u06cc\u0634\u06cc \u0646\u0627\u067e\u0627\u06cc\u062f\u0627\u0631 \u06cc\u0627 \u0633\u0631\u0639\u062a\u200c\u0647\u0627\u06cc \u0645\u062a\u063a\u06cc\u0631 \u0645\u0627\u0631\u067e\u06cc\u0686.<\/li>\n<li>\u0631\u0627\u0647 \u062d\u0644: \u067e\u06cc\u0686\u200c\u0647\u0627\u06cc \u062a\u0646\u0638\u06cc\u0645 \u0642\u0627\u0644\u0628 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0636\u062e\u0627\u0645\u062a\u200c\u0633\u0646\u062c \u0627\u0648\u0644\u062a\u0631\u0627\u0633\u0648\u0646\u06cc\u06a9 \u062d\u0631\u0641\u0647\u200c\u0627\u06cc \u0628\u0631\u0627\u06cc \u0646\u0638\u0627\u0631\u062a \u0644\u062d\u0638\u0647\u200c\u0627\u06cc\u060c \u062f\u0642\u06cc\u0642 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f. \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u062a\u0631\u0645\u0648\u06a9\u0648\u067e\u0644\u200c\u0647\u0627 \u0642\u0631\u0627\u0626\u062a\u200c\u0647\u0627\u06cc \u062f\u0642\u06cc\u0642\u06cc \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f \u06cc\u0627 \u062e\u06cc\u0631\u061b \u06cc\u06a9 \u0633\u0646\u0633\u0648\u0631 \u0645\u0639\u06cc\u0648\u0628 \u062f\u0631 \u0646\u0627\u062d\u06cc\u0647 \u06f3 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u06a9\u0644 \u0645\u062d\u0635\u0648\u0644 \u0631\u0627 \u062e\u0631\u0627\u0628 \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<h4>\u0634\u06a9\u0646\u0646\u062f\u06af\u06cc \u0648 \u0645\u0642\u0627\u0648\u0645\u062a \u0636\u0631\u0628\u0647 \u067e\u0627\u06cc\u06cc\u0646:<\/h4>\n<ul>\n<li>\u0639\u0644\u062a: \u0633\u0631\u0639\u062a \u0646\u0627\u062f\u0631\u0633\u062a \u0645\u0627\u0631\u062f\u0627\u0646 (\u0628\u0631\u0634 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f) \u06cc\u0627 \u0646\u0631\u0645\u200c\u0633\u0627\u0632\u06cc \u0636\u0639\u06cc\u0641 \u0628\u0647 \u062f\u0644\u06cc\u0644 \u062f\u0645\u0627\u06cc \u0645\u0630\u0627\u0628 \u067e\u0627\u06cc\u06cc\u0646.<\/li>\n<li>\u0631\u0627\u0647 \u062d\u0644: \u062a\u0646\u0638\u06cc\u0645\u0627\u062a RPM \u0631\u0627 \u0628\u0647\u06cc\u0646\u0647 \u06a9\u0646\u06cc\u062f. \u0627\u06af\u0631 \u0645\u0627\u062f\u0647 \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u06a9\u0627\u0641\u06cc \u0646\u0631\u0645 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u062d\u0631\u0627\u0631\u062a \u0631\u0627 \u062f\u0631 \u0646\u0648\u0627\u062d\u06cc \u0645\u06cc\u0627\u0646\u06cc \u0628\u0634\u06a9\u0647 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0647\u06cc\u062f. \u0627\u0632 CaCO3 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u062f.<sup>3<\/sup> \u0646\u0633\u0628\u062a (\u06a9\u0631\u0628\u0646\u0627\u062a \u06a9\u0644\u0633\u06cc\u0645) \u062f\u0631 \u0641\u0631\u0645\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 \u0634\u0645\u0627 \u062f\u0631 \u0645\u062d\u062f\u0648\u062f\u0647 \u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0648\u0635\u06cc\u0647 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u06af\u0631\u06cc\u062f \u062e\u0627\u0635 \u0644\u0648\u0644\u0647 \u0634\u0645\u0627 \u0627\u0633\u062a.<\/li>\n<\/ul>\n<h4>\u062c\u0644\u0648\u0647 \/ \u062a\u0627\u0628 \u0628\u0631\u062f\u0627\u0634\u062a\u0646 \u00ab\u0645\u0627\u0631\u00bb<\/h4>\n<ul>\n<li>\u0639\u0644\u062a: \u062e\u0646\u06a9 \u0634\u062f\u0646 \u0646\u0627\u0647\u0645\u0648\u0627\u0631 \u062f\u0631 \u0645\u062e\u0632\u0646 \u062e\u0644\u0627\u0621 \u06cc\u0627 \u06a9\u0634\u0634 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u062f\u0631 \u062d\u06cc\u0646 \u062d\u0645\u0644 \u0648 \u0646\u0642\u0644.<\/li>\n<li>\u0631\u0627\u0647 \u062d\u0644: \u062c\u0631\u06cc\u0627\u0646 \u0622\u0628 \u062e\u0646\u06a9 \u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u0645\u062a\u0639\u0627\u062f\u0644 \u06a9\u0646\u06cc\u062f. \u0627\u06af\u0631 \u06cc\u06a9 \u0637\u0631\u0641 \u0644\u0648\u0644\u0647 \u0633\u0631\u06cc\u0639\u062a\u0631 \u0627\u0632 \u0637\u0631\u0641 \u062f\u06cc\u06af\u0631 \u062e\u0646\u06a9 \u0634\u0648\u062f\u060c \u06a9\u0634\u06cc\u062f\u0647 \u0648 \u062e\u0645 \u0645\u06cc \u0634\u0648\u062f. \u0645\u0637\u0645\u0626\u0646 \u0634\u0648\u06cc\u062f \u06a9\u0647 \u0633\u0631\u0639\u062a \u062f\u0633\u062a\u06af\u0627\u0647 Haul-off \u06a9\u0627\u0645\u0644\u0627\u064b \u0628\u0627 \u062e\u0631\u0648\u062c\u06cc \u0627\u06a9\u0633\u062a\u0631\u0648\u062f\u0631 \u0647\u0645\u0627\u0647\u0646\u06af \u0627\u0633\u062a.<\/li>\n<\/ul>\n<h4>\u0686\u0631\u0627 BEIER \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u0645\u061f<\/h4>\n<p>\u0634\u0631\u06a9\u062a BEIER \u067e\u06cc\u0634\u06af\u0627\u0645 \u062c\u0647\u0627\u0646\u06cc \u062f\u0631 \u0641\u0646\u0627\u0648\u0631\u06cc \u0627\u06a9\u0633\u062a\u0631\u0648\u0698\u0646 \u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u0627\u0633\u062a. \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0646\u062f\u0647 \u0631\u0627\u0647\u06a9\u0627\u0631\u0647\u0627\u06cc \u0622\u0645\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u0644\u0648\u0644\u0647\u060c \u067e\u0631\u0648\u0641\u06cc\u0644\u060c \u062a\u062e\u062a\u0647\u060c \u0648\u0631\u0642 \u0648 \u06a9\u0627\u0634\u06cc \u0633\u0642\u0641\u06cc PE\/PVC\/O-PVC\/PPR. \u0628\u0627 \u062a\u06a9\u06cc\u0647 \u0628\u0631 \u0646\u0648\u0622\u0648\u0631\u06cc \u0648 \u0628\u0647\u0631\u0647\u200c\u0648\u0631\u06cc \u0627\u0646\u0631\u0698\u06cc\u060c \u0628\u0647 \u0645\u0646\u0638\u0648\u0631 \u06a9\u0627\u0647\u0634 \u0647\u0632\u06cc\u0646\u0647\u200c\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0648 \u0628\u0647 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0631\u0633\u0627\u0646\u062f\u0646 \u0628\u0627\u0632\u06af\u0634\u062a \u0633\u0631\u0645\u0627\u06cc\u0647 (ROI) \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647\u200c\u0627\u06cc\u0645. \u0627\u0632 \u0637\u0631\u0627\u062d\u06cc \u067e\u06cc\u0686 \u0633\u0641\u0627\u0631\u0634\u06cc \u06af\u0631\u0641\u062a\u0647 \u062a\u0627 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u067e\u0633 \u0627\u0632 \u0641\u0631\u0648\u0634 \u0645\u062d\u0644\u06cc\u060c \u0645\u0627 \u0634\u0631\u06cc\u06a9 \u0642\u0627\u0628\u0644 \u0627\u0639\u062a\u0645\u0627\u062f \u0634\u0645\u0627 \u062f\u0631 \u0627\u0642\u062a\u0635\u0627\u062f \u0686\u0631\u062e\u0634\u06cc \u0647\u0633\u062a\u06cc\u0645.<\/p>\n<p>\u0644\u0637\u0641\u0627 \u0627\u06cc\u0645\u06cc\u0644\u060c \u0634\u0645\u0627\u0631\u0647 \u062a\u0644\u0641\u0646 \u0648 \u0646\u0627\u0645 \u0634\u0631\u06a9\u062a \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u062f\u0633\u062a\u06af\u0627\u0647 \u0627\u06cc\u0646\u062c\u0627 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f\u060c \u0645\u0627 \u0638\u0631\u0641 \u06f1\u06f2 \u0633\u0627\u0639\u062a \u067e\u0627\u0633\u062e \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f. \u06cc\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u0627 \u0645\u0627 \u062a\u0645\u0627\u0633 \u0628\u06af\u06cc\u0631\u06cc\u062f: \u0627\u06cc\u0645\u06cc\u0644: <a href=\"mailto:info@beierpm.com\"><strong>info@beierpm.com<\/strong><\/a> \u06cc\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0648\u0627\u062a\u0633\u0627\u067e\/\u0648\u06cc\u200c\u0686\u062a +\u06f8\u06f6 \u06f1\u06f3\u06f8\u06f1\u06f4\u06f8\u06f8\u06f0\u06f1\u06f8\u06f6.<\/p>","protected":false},"excerpt":{"rendered":"<p>Top 4 Common PVC Pipe Extrusion Defects: In the high-stakes world of plastic manufacturing, downtime is the enemy of profit. PVC pipe extrusion is a precision-driven process where even a minor temperature fluctuation or material impurity can lead to costly defects. Drawing from BEIER\u2019s 27 years of engineering expertise, this guide identifies the root causes of common extrusion failures and provides actionable solutions to restore your production quality. Surface Scratches and Visible Lines: Cause: Usually caused by carbonized material (burnt plastic) buildup in the die head or nicks in the sizing sleeve. Solution: Regularly inspect the die mandrel and sizing sleeve. Use high-quality cleaning compounds during material changeovers. Ensure the vacuum cooling tank&#8217;s water level is stable and the spray nozzles are not clogged. Uneven Wall Thickness: Cause: Improper centering of the die head, unstable heating zones, or inconsistent screw speeds. Solution: Fine-tune the die adjustment bolts using a professional-grade ultrasonic thickness gauge for real-time monitoring. Check if the thermocouples are providing accurate readings; a faulty sensor in Zone 3 can ruin the entire batch. Brittleness and Low Impact Strength: Cause: Incorrect screw speed (over-shearing) or poor plasticization due to low melt temperature. Solution: Optimize the RPM settings. If the&#8230; <\/p>","protected":false},"author":1,"featured_media":8633,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[92],"tags":[],"class_list":["post-8629","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-extrusion-knowledge"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Top 4 Common PVC Pipe Extrusion Defects, How to Solve Them<\/title>\n<meta name=\"description\" content=\"Facing surface scratches or uneven wall thickness in PVC pipes? To solve common extrusion defects and improve production yield.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.beierextrusion.com\/fa\/common-pvc-pipe-extrusion-defects\/\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Top 4 Common PVC Pipe Extrusion Defects, How to Solve Them\" \/>\n<meta property=\"og:description\" content=\"Facing surface scratches or uneven wall thickness in PVC pipes? 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