{"id":4895,"date":"2026-03-19T14:16:37","date_gmt":"2026-03-19T06:16:37","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4895"},"modified":"2026-03-16T15:58:34","modified_gmt":"2026-03-16T07:58:34","slug":"%e0%a4%96%e0%a5%8b%e0%a4%8f-%e0%a4%97%e0%a4%8f-%e0%a4%ab%e0%a5%8b%e0%a4%ae-%e0%a4%95%e0%a4%be%e0%a4%b8%e0%a5%8d%e0%a4%9f%e0%a4%bf%e0%a4%82%e0%a4%97-%e0%a4%aa%e0%a5%8d%e0%a4%b0%e0%a4%95%e0%a5%8d-4","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/hi\/news-blog\/industry-news\/how-does-an-eps-pre-expander-machine-work-in-the-lost-foam-casting-process\/","title":{"rendered":"\u0916\u094b\u090f \u0917\u090f \u092b\u094b\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u0947\u0902 \u090f\u0915 \u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928 \u0915\u0948\u0938\u0947 \u0915\u093e\u092e \u0915\u0930\u0924\u0940 \u0939\u0948?"},"content":{"rendered":"<p><a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/hi\/product-category\/%e0%a4%aa%e0%a5%82%e0%a4%b0%e0%a5%8d%e0%a4%b5-%e0%a4%ab%e0%a5%8b%e0%a4%ae%e0%a4%bf%e0%a4%82%e0%a4%97-%e0%a4%ae%e0%a4%b6%e0%a5%80%e0%a4%a8\/\"><strong>\u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928<\/strong><\/a> \u0916\u094b\u090f \u0917\u090f \u092b\u094b\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u092e\u0947\u0902 \u090f\u0915 \u0915\u0947\u0902\u0926\u094d\u0930\u0940\u092f \u092d\u0942\u092e\u093f\u0915\u093e \u0928\u093f\u092d\u093e\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u093f\u0924 \u092a\u0949\u0932\u0940\u0938\u094d\u091f\u093e\u092f\u0930\u0940\u0928 (\u0908\u092a\u0940\u090f\u0938) \u092e\u094b\u0924\u0940 \u0924\u0948\u092f\u093e\u0930 \u0915\u0930\u0924\u093e \u0939\u0948 \u091c\u094b \u092a\u0948\u091f\u0930\u094d\u0928 \u092c\u0928\u093e\u0924\u0947 \u0939\u0948\u0902 \u091c\u094b \u0917\u0930\u094d\u092e \u0927\u093e\u0924\u0941 \u092e\u0947\u0902 \u0921\u093e\u0932\u0928\u0947 \u092a\u0930 \u0917\u093e\u092f\u092c \u0939\u094b \u091c\u093e\u0924\u0947 \u0939\u0948\u0902\u0964 \u0907\u0938 \u0915\u0926\u092e \u0915\u094b \u0918\u0928\u0924\u094d\u0935, \u092e\u091c\u092c\u0942\u0924 \u0906\u0915\u093e\u0930 \u0914\u0930 \u092c\u093f\u0928\u093e \u0926\u094b\u0937<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-4900\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/03\/Fully-automatic-pre-foaming-machineincluding-fluidized-drying-bed-1.webp\" alt=\"\u092a\u0942\u0930\u0940 \u0924\u0930\u0939 \u0938\u0947 \u0938\u094d\u0935\u091a\u093e\u0932\u093f\u0924 \u092a\u0942\u0930\u094d\u0935-\u092b\u094b\u092e\u093f\u0902\u0917 \u092e\u0936\u0940\u0928 (\u0926\u094d\u0930\u0935\u093f\u0924 \u0938\u0941\u0916\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092c\u093f\u0938\u094d\u0924\u0930 \u0938\u0939\u093f\u0924)\" width=\"1024\" height=\"576\" srcset=\"https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/03\/Fully-automatic-pre-foaming-machineincluding-fluidized-drying-bed-1.webp 1024w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/03\/Fully-automatic-pre-foaming-machineincluding-fluidized-drying-bed-1-300x169.webp 300w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/03\/Fully-automatic-pre-foaming-machineincluding-fluidized-drying-bed-1-768x432.webp 768w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/03\/Fully-automatic-pre-foaming-machineincluding-fluidized-drying-bed-1-18x10.webp 18w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/03\/Fully-automatic-pre-foaming-machineincluding-fluidized-drying-bed-1-600x338.webp 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2 id=\"introduction-to-lost-foam-casting-and-the-role-of-eps-pre-expander-machine\"><strong>\u0932\u0949\u0938\u094d\u091f \u092b\u094b\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u0914\u0930 \u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928 \u0915\u0940 \u092d\u0942\u092e\u093f\u0915\u093e \u0915\u093e \u092a\u0930\u093f\u091a\u092f<\/strong><\/h2>\n<p><a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/hi\/%e0%a4%89%e0%a4%a4%e0%a5%8d%e0%a4%aa%e0%a4%be%e0%a4%a6%e0%a5%8b%e0%a4%82\/\"><strong>\u092b\u094b\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u0916\u094b \u0917\u092f\u093e<\/strong><\/a> \u090f\u0915 \u092b\u094b\u092e \u092a\u0948\u091f\u0930\u094d\u0928 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u093e \u0939\u0948 \u091c\u094b \u092a\u093f\u0918\u0932\u0947 \u0939\u0941\u090f \u0927\u093e\u0924\u0941 \u0915\u094b \u091b\u0942\u0924\u0947 \u0938\u092e\u092f \u0935\u093e\u0937\u094d\u092a \u092e\u0947\u0902 \u092c\u0926\u0932 \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0927\u093e\u0924\u0941 \u092a\u0940\u091b\u0947 \u091b\u094b\u0921\u093c\u0947 \u0917\u090f \u0916\u093e\u0932\u0940 \u091c\u0917\u0939 \u0915\u094b \u092d\u0930\u0924\u0940 \u0939\u0948\u0964 \u092f\u0939 \u0935\u093f\u0927\u093f \u091c\u091f\u093f\u0932 \u0906\u0915\u093e\u0930\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u0905\u091a\u094d\u091b\u0940 \u0924\u0930\u0939 \u0938\u0947 \u0915\u093e\u092e \u0915\u0930\u0924\u0940 \u0939\u0948\u0964 \u092f\u0939 \u0905\u0924\u093f\u0930\u093f\u0915\u094d\u0924 \u092e\u0936\u0940\u0928\u093f\u0902\u0917 \u092a\u0930 \u0915\u091f\u094c\u0924\u0940 \u0915\u0930\u0924\u093e \u0939\u0948 \u0914\u0930 \u0928\u093f\u092f\u092e\u093f\u0924 \u0930\u0947\u0924 \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u092e\u0947\u0902 \u0915\u092e \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0905\u092a\u0936\u093f\u0937\u094d\u091f \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928 \u0915\u091a\u094d\u091a\u0947 \u092e\u094b\u0924\u0940 \u0932\u0947\u0924\u0940 \u0939\u0948 \u0914\u0930 \u0909\u0928\u094d\u0939\u0947\u0902 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u093f\u0924 \u0915\u0930\u0924\u0940 \u0939\u0948\u0964 \u092f\u0939 \u0938\u094d\u0925\u093f\u0930 \u0917\u0930\u094d\u092e\u0940 \u0914\u0930 \u0926\u092c\u093e\u0935 \u0915\u0947 \u092e\u093e\u0927\u094d\u092f\u092e \u0938\u0947 \u0905\u0902\u0926\u0930 \u092a\u0947\u0902\u091f\u0947\u0928 \u0915\u094b \u0938\u0915\u094d\u0930\u093f\u092f \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u092e\u094b\u0924\u0940 20-50 \u0917\u0941\u0928\u093e \u092c\u0921\u093c\u0940 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 \u0935\u0947 \u092a\u0948\u091f\u0930\u094d\u0928 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915\u0926\u092e \u0938\u0939\u0940 \u092c\u0902\u0926-\u0938\u0947\u0932 \u092b\u094b\u092e \u092c\u0928\u093e\u0924\u0947 \u0939\u0948\u0902\u0964 \u0916\u094b\u090f \u0917\u090f \u092b\u094b\u092e \u0915\u093e\u0930\u094d\u092f \u092e\u0947\u0902, \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u093f\u0924 \u092e\u094b\u0924\u0940 \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 20-30 \u0915\u093f\u0932\u094b \/ m\u00b3 \u0915\u0947 \u0918\u0928\u0924\u094d\u0935 \u0924\u0915 \u092a\u0939\u0941\u0902\u091a\u0924\u0940 \u0939\u0948\u0902\u0964 \u092e\u0940\u0920\u093e \u0938\u094d\u0925\u093e\u0928 \u0905\u0915\u094d\u0938\u0930 22-28 \u0915\u093f\u0932\u094b \/ \u092e\u0940\u091f\u0930 3 \u092a\u0930 \u092c\u0948\u0920\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u0938\u0940\u092e\u093e \u0938\u093e\u092b \u091c\u0932\u093e\u0928\u0947 \u0915\u0947 \u0938\u093e\u0925 \u092a\u0948\u091f\u0930\u094d\u0928 \u0924\u093e\u0915\u0924 \u0915\u094b \u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u0915\u0930\u0924\u0940 \u0939\u0948\u0964 \u092f\u0939\u093e\u0902 \u0924\u0915 \u200b\u200b\u0915\u093f \u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u0905\u0902\u0924\u093f\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u092e\u0947\u0902 \u0906\u0915\u093e\u0930 \u0935\u093f\u0915\u0943\u0924\u093f, \u0916\u0930\u093e\u092c \u091c\u094b\u0921\u093c\u0928\u0947, \u092f\u093e \u0917\u0948\u0938 \u091c\u0947\u092c \u0915\u094b \u0930\u094b\u0915\u0924\u093e \u0939\u0948\u0964<\/p>\n<h2 id=\"key-components-of-an-eps-pre-expander-machine\"><strong>\u090f\u0915 \u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928 \u0915\u0947 \u092a\u094d\u0930\u092e\u0941\u0916 \u0918\u091f\u0915<\/strong><\/h2>\n<p>\u0906\u0927\u0941\u0928\u093f\u0915 \u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928\u094b\u0902 \u092e\u0947\u0902 \u090f\u0915 \u0938\u0940\u0932 \u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u0915\u0915\u094d\u0937, \u0938\u091f\u0940\u0915 \u0926\u092c\u093e\u0935 (\u0906\u092e\u0924\u094c\u0930 \u092a\u0930 4-8 \u092c\u093e\u0930) \u0915\u0947 \u0932\u093f\u090f \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u0938\u093e\u0925 \u092d\u093e\u092a \u0907\u0928\u0932\u0947\u091f \u0914\u0930 98 \u0921\u093f\u0917\u094d\u0930\u0940  \u092f\u0939 \u092e\u093f\u0936\u094d\u0930\u0923 \u091a\u0940\u091c\u094b\u0902 \u0915\u094b \u0938\u0942\u0916\u093e \u0930\u0916\u0924\u093e \u0939\u0948 \u0914\u0930 \u0917\u0940\u0932\u0947 \u092e\u094b\u0924\u093f\u092f\u094b\u0902 \u0915\u094b \u0930\u094b\u0915\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u0939\u0925\u093f\u092f\u093e\u0930\u094b\u0902 \u0915\u094b \u0939\u093f\u0932\u093e\u0928\u0947 \u0938\u0947 \u092e\u094b\u0924\u0940 \u0938\u092e\u093e\u0928 \u0930\u0942\u092a \u0938\u0947 \u092b\u0948\u0932 \u091c\u093e\u0924\u0947 \u0939\u0948\u0902\u0964 \u0928\u0940\u091a\u0947 \u0928\u093f\u0930\u094d\u0935\u0939\u0928 \u092e\u094b\u0924\u0940 \u0915\u094b \u091c\u0932\u094d\u0926\u0940 \u0938\u0947 \u0914\u0930 \u092a\u0942\u0930\u0940 \u0924\u0930\u0939 \u0938\u0947 \u092c\u093e\u0939\u0930 \u0928\u093f\u0915\u093e\u0932\u0928\u0947 \u0926\u0947\u0924\u093e \u0939\u0948 \u0924\u093e\u0915\u093f \u0915\u094d\u0932\u092e\u094d\u092a\u093f\u0902\u0917 \u0938\u0947 \u092c\u091a\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f\u0964 \u092c\u093e\u0926 \u0915\u0947 \u092d\u093e\u0917\u094b\u0902 \u092e\u0947\u0902 \u092c\u0941\u0930\u0947 \u091f\u0941\u0915\u0921\u093c\u094b\u0902 \u0915\u094b \u0939\u091f\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0936\u0947\u0915 \u0938\u094d\u0915\u094d\u0930\u0940\u0928 \u0915\u0947 \u0938\u093e\u0925 \u0939\u0935\u093e \u0915\u0947 \u0938\u0942\u0916\u0947 \u092c\u093f\u0938\u094d\u0924\u0930\u094b\u0902 \u0914\u0930 \u0909\u092e\u094d\u0930 \u092c\u0922\u093c\u0928\u0947 \u0935\u093e\u0932\u0947 \u0938 \u092a\u0940\u090f\u0932\u0938\u0940 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923, \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928\u093f\u0915 \u0924\u0930\u093e\u091c\u0942 (\u00b1 1 \u0917\u094d\u0930\u093e\u092e \u0938\u091f\u0940\u0915), \u0914\u0930 \u0930\u093f\u092e\u094b\u091f \u0935\u0949\u091a\u093f\u0902\u0917 \u092a\u0942\u0930\u094d\u0923 \u0938\u094d\u0935\u091a\u093e\u0932\u093f\u0924 \u091a\u0932\u093e\u0928\u0947, \u0938\u0939\u0947\u091c\u0947 \u0917\u090f \u0935\u094d\u092f\u0902\u091c\u0928\u094b\u0902 \u0914\u0930 \u091f\u094d\u0930\u0948\u0915<\/p>\n<h2 id=\"how-does-an-eps-pre-expander-machine-work-step-by-step-process\"><strong>\u090f\u0915 \u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928 \u0915\u0948\u0938\u0947 \u0915\u093e\u092e \u0915\u0930\u0924\u0940 \u0939\u0948? \u091a\u0930\u0923-\u0926\u0930-\u091a\u0930\u0923 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e<\/strong><\/h2>\n<p>\u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928 \u090f\u0915 \u0938\u094d\u0925\u093f\u0930 \u0911\u091f\u094b \u091a\u0915\u094d\u0930 \u0915\u0947 \u092e\u093e\u0927\u094d\u092f\u092e \u0938\u0947 \u0915\u091a\u094d\u091a\u0947 \u092e\u094b\u0924\u0940 \u0915\u094b \u0938\u094d\u0925\u093f\u0930 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u093f\u0924 \u092b\u094b\u092e \u092e\u0947\u0902 \u092c\u0926\u0932 \u0926\u0947\u0924\u0940 \u0939<\/p>\n<ol type=\"1\">\n<li>\u0915\u091a\u094d\u091a\u0947 \u092e\u094b\u0924\u0940 \u0932\u094b\u0921 \u0939\u094b \u0930\u0939\u0947 \u0939\u0948\u0902 \u0911\u091f\u094b \u092b\u093c\u0940\u0921 \u092f\u093e \u0938\u091f\u0940\u0915 \u0935\u091c\u0928 \u0926\u094d\u0935\u093e\u0930\u093e \u0915\u0915\u094d\u0937 \u092e\u0947\u0902 \u092a\u0947\u0902\u091f\u0947\u0928 \u0932\u094b\u0921 \u0915\u0947 \u0938\u093e\u0925 \u0915\u091a\u094d\u091a\u0947 \u0908\u092a\u0940\u090f\u0938 \u092e\u094b\u0924\u0940\u0964<\/li>\n<li>\u092a\u0942\u0930\u094d\u0935-\u0924\u093e\u092a \u0914\u0930 \u0926\u092c\u093e\u0935 \u0915\u0915\u094d\u0937 \u092c\u0902\u0926 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0915\u092e \u0926\u092c\u093e\u0935 \u0935\u093e\u0932\u0947 \u092d\u093e\u092a \u092e\u094b\u0924\u0940 \u0915\u0940 \u0938\u094d\u0925\u093f\u0924\u093f \u092c\u0928\u093e\u0928\u093e \u0936\u0941\u0930\u0942 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u092b\u093f\u0930 \u092a\u0942\u0930\u093e \u0926\u092c\u093e\u0935 \u092c\u0928\u0924\u093e \u0939\u0948\u0964 \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u091a\u0941\u092e\u094d\u092c\u0915\u0940\u092f \u0917\u0930\u094d\u092e\u0940 \u0924\u093e\u092a\u092e\u093e\u0928 \u0915\u094b \u0938\u094d\u0925\u093f\u0930 \u0930\u0916\u0924\u0940 \u0939\u0948\u0964 \u092f\u0939 \u092a\u093e\u0928\u0940 \u0915\u0947 \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0915\u094b \u0930\u094b\u0915\u0924\u093e \u0939\u0948\u0964<\/li>\n<li>\u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u091a\u0930\u0923 \u092d\u093e\u092a (90-110 \u0921\u093f\u0917\u094d\u0930\u0940 \u0938\u0947\u0932\u094d\u0938\u093f\u092f\u0938) \u092a\u0949\u0932\u0940\u0938\u094d\u091f\u093e\u092f\u0930\u0940\u0928 \u0916\u094b\u0932 \u0915\u094b \u0928\u0930\u092e \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u092a\u0947\u0902\u091f\u0947\u0928 \u0935\u093e\u0937\u094d\u092a \u092e\u0947\u0902 \u092c\u0926\u0932 \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u0905\u0902\u0926\u0930 \u0926\u092c\u093e\u0935 \u092c\u0928\u093e\u0924\u093e \u0939\u0948 \u091c\u094b \u092e\u094b\u0924\u0940 \u0915\u094b \u091b\u094b\u091f\u0940 \u0915\u094b\u0936\u093f\u0915\u093e\u0913\u0902 \u092e\u0947\u0902 \u0909\u0921\u093c\u093e\u0924\u093e \u0939\u0948\u0964 \u0935\u093f\u0915\u093e\u0938 \u092d\u0940 \u0935\u0943\u0926\u094d\u0927\u093f \u0915\u094b \u092c\u0928\u093e\u090f \u0930\u0916\u0924\u093e \u0939\u0948\u0964 \u091a\u0915\u094d\u0930 \u0938\u092e\u092f \u0914\u0930 \u0926\u092c\u093e\u0935 \u0938\u0947\u091f \u0905\u0902\u0924\u093f\u092e \u0918\u0928\u0924\u094d\u0935 - \u0932\u0902\u092c\u0947 \u092f\u093e \u092e\u091c\u092c\u0942\u0924 \u0926\u092c\u093e\u0935 \u0915\u092e \u0918\u0928\u0924\u094d\u0935 \u092c\u0928\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n<li>\u0938\u094d\u0925\u093f\u0930\u0924\u093e \u0914\u0930 \u0928\u093f\u0930\u094d\u0935\u0939\u0928 \u092d\u093e\u092a \u0930\u0941\u0915\u0924\u093e \u0939\u0948\u0964 \u0926\u092c\u093e\u0935 \u0935\u0947\u0902\u091f\u0964 \u0928\u0940\u091a\u0947 \u0928\u093f\u0930\u094d\u0935\u0939\u0928 \u0924\u0947\u091c\u0940 \u0938\u0947 \u092e\u094b\u0924\u093f\u092f\u094b\u0902 \u0915\u094b \u0936\u0942\u091f \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0938\u0902\u092a\u0940\u0921\u093c\u093f\u0924 \u0939\u0935\u093e \u0905\u0924\u093f\u0935\u0943\u0926\u094d\u0927\u093f \u0915\u094b \u0930\u094b\u0915\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u0915\u094d\u0937 \u0915\u094b \u0920\u0902\u0921\u093e \u0915\u0930\u0924\u0940 \u0939\u0948\u0964<\/li>\n<li>\u092a\u0930\u093f\u092a\u0915\u094d\u0935\u0924\u093e \u092e\u094b\u0924\u0940 \u0915\u094b\u0936\u093f\u0915\u093e\u0913\u0902 \u092e\u0947\u0902 \u0920\u0902\u0921\u093e \u0915\u0930\u0928\u0947 \u0914\u0930 \u0939\u0935\u093e \u092d\u0930\u0947 \u0915\u0947 \u0932\u093f\u090f \u0939\u0935\u093e \u0915\u0947 \u092c\u093f\u0938\u094d\u0924\u0930 \u092f\u093e \u0938\u093e\u0907\u0932\u094b \u092e\u0947\u0902 \u091c\u093e\u0924\u0940 \u0939\u0948\u0964 \u0909\u092e\u094d\u0930 \u092c\u0922\u093c\u0928\u093e (\u0906\u092e\u0924\u094c\u0930 \u092a\u0930 8-72 \u0918\u0902\u091f\u0947, \u0905\u0915\u094d\u0938\u0930 24-48 \u0918\u0902\u091f\u0947) \u0906\u0915\u093e\u0930 \u0915\u094b \u0938\u094d\u0925\u093f\u0930 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0924\u093e\u091c\u093e \u092e\u094b\u0924\u0940 \u0905\u092d\u0940 \u092d\u0940 \u0925\u094b\u0921\u093c\u093e \u092c\u0922\u093c \u0938\u0915\u0924\u093e \u0939\u0948 \u0905\u0917\u0930 \u0938\u0939\u0940 \u0909\u092e\u094d\u0930 \u0928\u0939\u0940\u0902 \u0939\u0948\u0964 \u0936\u0947\u0915 \u0938\u094d\u0915\u094d\u0930\u0940\u0928 \u0926\u094b\u0937 \u092a\u0915\u0921\u093c\u0924\u0947 \u0939\u0948\u0902\u0964<\/li>\n<\/ol>\n<p>\u092a\u0940\u090f\u0932\u0938\u0940 \u0938\u093f\u0938\u094d\u091f\u092e \u0938\u092d\u0940 \u091a\u0930\u0923\u094b\u0902 \u0915\u094b \u091a\u0932\u093e\u0924\u093e \u0939\u0948\u0964 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u091a\u0940\u091c\u094b\u0902 \u0915\u094b \u0938\u091f\u0940\u0915 \u0914\u0930 \u0938\u092e\u093e\u0928 \u0930\u0916\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h2 id=\"process-parameters-and-density-control-in-eps-pre-expansion\"><strong>\u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u092e\u0947\u0902 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u092a\u0948\u0930\u093e\u092e\u0940\u091f\u0930 \u0914\u0930 \u0918\u0928\u0924\u094d\u0935 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923<\/strong><\/h2>\n<p>\u0918\u0928\u0924\u094d\u0935 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u092c\u0939\u0941\u0924 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0939\u0948\u0964 \u092f\u0939 \u092a\u0948\u091f\u0930\u094d\u0928 \u0915\u0920\u094b\u0930\u0924\u093e, \u092c\u0930\u094d\u0928-\u0911\u092b \u0917\u0924\u093f, \u0914\u0930 \u0916\u094b\u090f \u0917\u090f \u092b\u094b\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u092e\u0947\u0902 \u0927\u093e\u0924\u0941 \u092a\u094d\u0930\u0935\u093e\u0939 \u0915\u094b \u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0932\u0915\u094d\u0937\u094d\u092f \u0918\u0928\u0924\u094d\u0935 \u0906\u0938\u093e\u0928 \u0935\u093e\u0937\u094d\u092a (\u092a\u0924\u0932\u0947 \u0915\u094d\u0937\u0947\u0924\u094d\u0930\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u0915\u092e) \u0915\u0947 \u0938\u093e\u0925 \u092e\u091c\u092c\u0942\u0924 \u092a\u0948\u091f\u0930\u094d\u0928 (\u0935\u093f\u0938\u094d\u0924\u0943\u0924 \u0906\u0915\u093e\u0930\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u0909\u091a\u094d\u091a) \u0915\u094b \u0938\u0902\u0924\u0941<\/p>\n<p>\u092e\u0941\u0916\u094d\u092f \u0938\u0947\u091f\u093f\u0902\u0917\u094d\u0938 \u092e\u0947\u0902 \u0936\u093e\u092e\u093f\u0932 \u0939\u0948\u0902\u0903<\/p>\n<ul>\n<li>\u092d\u093e\u092a \u0926\u092c\u093e\u0935 (4-8 \u092c\u093e\u0930) \u0914\u0930 \u0938\u092e\u092f: \u0909\u091a\u094d\u091a \u092f\u093e \u0905\u0927\u093f\u0915 \u0918\u0928\u0924\u094d\u0935 \u0915\u092e \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/li>\n<li>\u0924\u093e\u092a\u092e\u093e\u0928 \u092a\u0915\u0921\u093c\u0947\u0902 (98-110 \u0921\u093f\u0917\u094d\u0930\u0940 \u0938\u0947\u0932\u094d\u0938\u093f\u092f\u0938): \u0905\u0938\u092e\u093e\u0928 \u0935\u093f\u0915\u093e\u0938 \u0915\u094b \u0930\u094b\u0915\u0924\u093e \u0939\u0948\u0964<\/li>\n<li>\u092e\u094b\u0924\u0940 \u0930\u0939\u0928\u0947 \u0915\u093e \u0938\u092e\u092f: \u0935\u093e\u0902\u091b\u093f\u0924 \u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u0905\u0928\u0941\u092a\u093e\u0924 \u0915\u0947 \u0932\u093f\u090f \u0938\u092e\u093e\u092f\u094b\u091c\u093f\u0924\u0964<\/li>\n<li>\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928\u093f\u0915 \u0935\u091c\u0928: \u00b1 1 \u0917\u094d\u0930\u093e\u092e \u0905\u0902\u0924\u0930 \u0915\u0947 \u0938\u093e\u0925 \u0907\u0928\u092a\u0941\u091f \u0938\u091f\u0940\u0915 \u0930\u0916\u0924\u093e \u0939\u0948\u0964<\/li>\n<\/ul>\n<p>\u092f\u0939\u093e\u0902 \u0924\u0915 \u200b\u200b\u0915\u093f \u0918\u0928\u0924\u094d\u0935 \u0915\u092e\u091c\u094b\u0930 \u092f\u093e \u092e\u091c\u092c\u0942\u0924 \u0927\u092c\u094d\u092c\u094b\u0902 \u0915\u094b \u0930\u094b\u0915\u0924\u093e \u0939\u0948 \u091c\u094b \u092b\u094b\u0932\u094d\u0921\u094d\u0938 \u092f\u093e \u092c\u0941\u0932\u092c\u0941\u0932\u0947 \u0915\u093e \u0915\u093e\u0930\u0923 \u092c\u0928\u0924\u093e \u0939\u0948\u0964 \u0909\u0928\u094d\u0928\u0924 \u092e\u0936\u0940\u0928\u0947\u0902 \u0917\u094b\u0932, \u092a\u0942\u0930\u0947 \u092e\u094b\u0924\u0940 \u0915\u0947 \u0938\u093e\u0925 20-30 \u0915\u093f\u0932\u094b \/ m\u00b3 \u092a\u0915\u0921\u093c\u0924\u0940 \u0939\u0948\u0902<img decoding=\"async\" class=\"aligncenter size-full wp-image-4899\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/03\/EPS-Pre-Expander-Machine-in-Lost-Foam-Casting-Process.webp\" alt=\"\u0932\u0949\u0938\u094d\u091f \u092b\u094b\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u0947\u0902 \u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/03\/EPS-Pre-Expander-Machine-in-Lost-Foam-Casting-Process.webp 1024w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/03\/EPS-Pre-Expander-Machine-in-Lost-Foam-Casting-Process-300x225.webp 300w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/03\/EPS-Pre-Expander-Machine-in-Lost-Foam-Casting-Process-768x576.webp 768w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/03\/EPS-Pre-Expander-Machine-in-Lost-Foam-Casting-Process-16x12.webp 16w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/03\/EPS-Pre-Expander-Machine-in-Lost-Foam-Casting-Process-600x450.webp 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2 id=\"importance-of-eps-pre-expander-machine-in-lost-foam-casting-process\"><strong>\u0916\u094b\u090f \u0917\u090f \u092b\u094b\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u0947\u0902 \u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928 \u0915\u093e \u092e\u0939\u0924\u094d\u0935<\/strong><\/h2>\n<p>\u092a\u0948\u091f\u0930\u094d\u0928 \u0917\u0941\u0923\u0935\u0924\u094d\u0924\u093e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u0938\u092b\u0932\u0924\u093e \u0915\u093e \u0928\u093f\u0930\u094d\u0923\u092f \u0915\u0930\u0924\u0940 \u0939\u0948\u0964 \u0905\u091a\u094d\u091b\u093e \u092a\u0942\u0930\u094d\u0935-\u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u091a\u093f\u0915\u0928\u0940, \u0905\u091f\u0942\u091f\u0947 \u092e\u094b\u0924\u0940 \u092c\u0928\u093e\u0924\u093e \u0939\u0948\u0964 \u0935\u0947 \u0938\u093e\u092b-\u0938\u093e\u092b \u092e\u094b\u0932\u094d\u0921 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u0915\u094b\u091f\u093f\u0902\u0917 \u0915\u094b \u0905\u091a\u094d\u091b\u0940 \u0924\u0930\u0939 \u0938\u0947 \u092a\u0915\u0921\u093c\u0924\u0947 \u0939\u0948\u0902, \u0914\u0930 \u0917\u0948\u0938 \u091b\u0947\u0926, \u0916\u0930\u093e\u092c \u092d\u0930\u0928\u0947 \u092f\u093e \u092b\u0902\u0938\u0947 \u0939\u0941\u090f \u092c\u093f\u091f\u094d\u0938 \u091b\u094b\u0921\u093c\u0915\u0930 \u091c\u0932 \u091c\u093e\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<p>\u0938\u094d\u0925\u093f\u0930 \u0918\u0928\u0924\u094d\u0935 \u0915\u093e\u0930 \u092d\u093e\u0917\u094b\u0902, \u092e\u0936\u0940\u0928 \u0915\u0947 \u092e\u093e\u092e\u0932\u094b\u0902 \u0914\u0930 \u091c\u091f\u093f\u0932 \u091f\u0941\u0915\u0921\u093c\u094b\u0902 \u0915\u0947 \u0909\u091a\u094d\u091a \u092e\u093e\u0924\u094d\u0930\u093e \u092e\u0947\u0902 \u092c\u0928\u093e\u0928\u0947 \u092e\u0947\u0902 \u0905\u091a\u094d\u091b\u0947 \u092a\u0930\u093f\u0923\u093e\u092e\u094b\u0902 \u0915\u094b \u0926\u094b\u0939\u0930\u093e\u0928\u0947 \u0915\u0940 \u0905\u0928\u0941 \u092f\u0939 \u0905\u092a\u0936\u093f\u0937\u094d\u091f \u0915\u094b \u0915\u092e \u0915\u0930\u0924\u093e \u0939\u0948, \u090a\u0930\u094d\u091c\u093e \u0915\u0940 \u092c\u091a\u0924 \u0915\u0930\u0924\u093e \u0939\u0948, \u0914\u0930 \u092b\u093e\u0909\u0902\u0921\u094d\u0930\u0940 \u0909\u0924\u094d\u092a\u093e\u0926\u0928 \u092c\u0922\u093c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<h2 id=\"advantages-of-advanced-eps-pre-expander-machines\"><strong>\u0909\u0928\u094d\u0928\u0924 \u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928\u094b\u0902 \u0915\u0947 \u0932\u093e\u092d<\/strong><\/h2>\n<p>\u0928\u0908 \u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928\u0947\u0902 \u0932\u093e\u0924\u0940 \u0939\u0948\u0902:<\/p>\n<ul>\n<li>\u092c\u093f\u0928\u093e \u092c\u094d\u0930\u0947\u0915 \u0915\u0947 \u0938\u094d\u0925\u093f\u0930, \u0936\u0940\u0930\u094d\u0937 \u092e\u094b\u0924\u0940 \u0917\u0941\u0923\u0935\u0924\u094d\u0924\u093e \u0915\u0947 \u0932\u093f\u090f \u0939\u093e\u0907\u092c\u094d\u0930\u093f\u0921 \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u091a\u0941\u092e\u094d\u092c\u0915\u0940\u092f-\u092d\u093e\u092a \u092b\u094b\u092e\u093f\u0902\u0917\u0964<\/li>\n<li>\u092a\u0940\u090f\u0932\u0938\u0940, \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0930\u093f\u092e\u094b\u091f \u091a\u0947\u0915 \u0915\u0947 \u092e\u093e\u0927\u094d\u092f\u092e \u0938\u0947 \u0938\u091f\u0940\u0915 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923\u0964<\/li>\n<li>\u090f\u0902\u091f\u0940-\u0915\u094d\u0932\u092e\u094d\u092a \u0921\u093f\u091c\u093e\u0907\u0928 \u0915\u0947 \u0938\u093e\u0925 \u0924\u0947\u091c\u0940 \u0938\u0947 \u0928\u0940\u091a\u0947 \u0928\u093f\u0930\u094d\u0935\u0939\u0928\u0964<\/li>\n<li>\u0908\u092a\u0940\u090f\u0938, \u0915\u094b\u092a\u0949\u0932\u093f\u092e\u0930 \u0914\u0930 \u0935\u093f\u0936\u0947\u0937 \u0930\u093e\u0932 \u0915\u0947 \u0932\u093f\u090f \u092b\u093f\u091f\u0964<\/li>\n<li>\u0930\u093f\u0938\u093e\u0935 \u0914\u0930 \u092a\u093e\u0935\u0930-\u092b\u0947\u0932 \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u091c\u0948\u0938\u0940 \u0905\u0902\u0924\u0930\u094d\u0928\u093f\u0939\u093f\u0924 \u0938\u0941\u0930\u0915\u094d\u0937\u093e\u0964<\/li>\n<\/ul>\n<p>\u092f\u0947 \u0938\u0941\u0935\u093f\u0927\u093e\u090f\u0902 \u0909\u0924\u094d\u092a\u093e\u0926\u0928 \u092c\u0922\u093c\u093e\u0924\u0940 \u0939\u0948\u0902, \u0932\u093e\u0917\u0924 \u0915\u092e \u0915\u0930\u0924\u0940 \u0939\u0948\u0902, \u0914\u0930 \u0915\u0920\u093f\u0928 \u0916\u094b\u090f \u0917\u090f \u092b\u094b\u092e \u0915\u093e\u0930\u094d\u092f \u092e\u0947\u0902 \u092a\u0948\u091f\u0930\u094d\u0928 \u0935\u093f\u0936\u094d\u0935\u093e\u0938 \u092e\u0947\u0902 \u0938\u0941\u0927\u093e\u0930 \u0915\u0930\u0924\u0940 \u0939\u0948\u0902\u0964<\/p>\n<h2 id=\"challenges-and-best-practices-in-eps-pre-expansion-for-lost-foam-casting\"><strong>\u0932\u0949\u0938\u094d\u091f \u092b\u094b\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u0915\u0947 \u0932\u093f\u090f \u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935-\u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u092e\u0947\u0902 \u091a\u0941\u0928\u094c\u0924\u093f\u092f\u093e\u0902 \u0914\u0930 \u0938\u0930\u094d\u0935\u094b\u0924\u094d\u0924\u092e \u0905\u092d\u094d\u092f\u093e\u0938<\/strong><\/h2>\n<p>\u091a\u0941\u0928\u094c\u0924\u093f\u092f\u094b\u0902 \u092e\u0947\u0902 \u092e\u094b\u0924\u0940 \u092d\u0940 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0928\u093e, \u0906\u0915\u093e\u0930 \u0915\u0947 \u092c\u0926\u0932\u093e\u0935 \u0938\u0947 \u092c\u091a\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0909\u092e\u094d\u0930 \u092c\u0922\u093c\u0928\u0947 \u0915\u094b \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u0915\u0930\u0928\u093e \u0914\u0930 \u0935\u093f\u092d\u093f\u0928\u094d\u0928 \u0927\u093e\u0924\u0941\u0913\u0902 (\u091c\u0948\u0938\u0947, \u090f\u0932\u094d\u092f\u0942\u092e\u0940 \u092c\u0939\u0941\u0924 \u0905\u0927\u093f\u0915 \u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u092a\u0948\u091f\u0930\u094d\u0928 \u0915\u094b \u0915\u092e\u091c\u094b\u0930 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u092c\u0939\u0941\u0924 \u0915\u092e \u0936\u093e\u092e\u093f\u0932 \u0939\u094b\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0917\u0930\u0940\u092c \u092c\u0928\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u0938\u092c\u0938\u0947 \u0905\u091a\u094d\u091b\u0947 \u091a\u0930\u0923\u094b\u0902 \u092e\u0947\u0902 \u0928\u093f\u092f\u092e\u093f\u0924 \u092a\u0948\u092e\u093e\u0928\u0947 \u092a\u0930 \u091c\u093e\u0902\u091a, \u092d\u093e\u092a \u0917\u0941\u0923\u0935\u0924\u094d\u0924\u093e \u0918\u0921\u093c\u0940 \u0914\u0930 \u092e\u093e\u0928\u0915 \u0909\u092e\u094d\u0930 \u092c\u0922\u093c\u0928\u0947 \u0915\u0947 \u0928\u093f\u092f\u092e (\u0906\u092e\u0924\u094c\u0930 \u092a\u0930 24-72 \u0918\u0902\u091f\u0947) \u0936\u093e\u092e\u093f\u0932 \u0939 \u0921\u0947\u091f\u093e \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u091f\u094d\u0930\u0948\u0915 \u0915\u0930\u0928\u0947 \u0914\u0930 \u0917\u0941\u0923\u0935\u0924\u094d\u0924\u093e \u0915\u094b \u090f\u0915 \u0939\u0940 \u0936\u093f\u092b\u094d\u091f \u0938\u0947 \u0936\u093f\u092b\u094d\u091f \u0930\u0916\u0928\u0947 \u092e\u0947\u0902 \u092e\u0926\u0926 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h2 id=\"integration-of-eps-pre-expansion-with-downstream-lost-foam-steps\"><strong>\u0921\u093e\u0909\u0928\u0938\u094d\u091f\u094d\u0930\u0940\u092e \u0932\u0949\u0938\u094d\u091f \u092b\u094b\u092e \u0938\u094d\u091f\u0947\u092a\u094d\u0938 \u0915\u0947 \u0938\u093e\u0925 \u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935-\u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u0915\u093e \u090f\u0915\u0940\u0915\u0930\u0923<\/strong><\/h2>\n<p>\u0935\u093f\u0938\u094d\u0924\u093e\u0930\u093f\u0924 \u092e\u094b\u0924\u0940 \u092e\u094b\u0932\u094d\u0921\u093f\u0902\u0917 \u092e\u0947\u0902 \u091c\u093e\u0924\u0947 \u0939\u0948\u0902\u0964 \u0935\u0947 \u090f\u0932\u094d\u092f\u0942\u092e\u0940\u0928\u093f\u092f\u092e \u092e\u0930\u0924\u0947 \u0939\u0948\u0902 \u0914\u0930 \u0920\u094b\u0938 \u092a\u0948\u091f\u0930\u094d\u0928 \u092e\u0947\u0902 \u0936\u093e\u092e\u093f\u0932 \u0939\u094b\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0905\u0927\u093f\u0915 \u092d\u093e\u092a \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u092a\u0948\u091f\u0930\u094d\u0928 \u0915\u094b \u0905\u0917\u094d\u0928\u093f\u0930\u094b\u0927\u0915 \u0915\u094b\u091f \u092e\u093f\u0932\u0924\u0947 \u0939\u0948\u0902, \u0938\u092e\u0942\u0939\u094b\u0902 \u092e\u0947\u0902 \u0938\u092e\u0942\u0939 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902, \u0922\u0940\u0932\u0940 \u0930\u0947\u0924 \u092e\u0947\u0902 \u092c\u0948\u0920\u0924\u0947 \u0939\u0948\u0902, \u0914\u0930 \u092a\u093f\u0918\u0932\u0940 \u0927\u093e\u0924\u0941 \u0915\u094b \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u092e\u0947\u0902 \u0932\u0947\u0924\u0947 \u0939\u0948\u0902\u0964 \u0905\u091a\u094d\u091b\u093e \u092a\u0942\u0930\u094d\u0935-\u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u092e\u094b\u0924\u0940 \u091c\u0941\u0921\u093c\u0928\u0947 \u0915\u0940 \u0924\u093e\u0915\u0924 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u0916\u0941\u0932\u0947 \u091b\u0947\u0926\u094b\u0902 \u0915\u094b \u0915\u093e\u091f\u0924\u093e \u0939\u0948 \u091c\u094b \u0927\u093e\u0924\u0941 \u0915\u0940 \u0917\u0924\u093f \u0914\u0930 \u0926\u094b\u0937 \u0917\u0920\u0928 \u0915\u094b \u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h2 id=\"conclusion\"><strong>\u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937<\/strong><\/h2>\n<p>\u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928 \u0916\u094b\u090f \u0917\u090f \u092b\u094b\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u0915\u0940 \u0938\u091f\u0940\u0915 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u0915\u0947 \u0938\u093e\u0925 \u0915\u091a\u094d\u091a\u0947 \u092e\u093e\u0932 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0915\u094b \u091c\u094b\u0921\u093c\u0924\u0940 \u0939\u0948\u0964 \u0938\u093e\u0935\u0927\u093e\u0928\u0940\u092a\u0942\u0930\u094d\u0935\u0915 \u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u0914\u0930 \u0918\u0928\u0924\u094d\u0935 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u092c\u0947\u0939\u0924\u0930 \u092a\u0930\u093f\u0923\u093e\u092e\u094b\u0902 \u0915\u093e \u0915\u093e\u0930\u0923 \u092c\u0928\u0924\u093e \u0939\u0948\u0964<\/p>\n<p><a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/hi\/\"><strong>\u0913\u0938\u0940 \u092a\u094d\u0930\u094c\u0926\u094d\u092f\u094b\u0917\u093f\u0915\u0940<\/strong><\/a>, \u0935\u093f\u0936\u0947\u0937 \u0930\u0942\u092a \u0938\u0947 \u0938\u092b\u0947\u0926 \u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u092e\u0947\u0902, \u0909\u091a\u094d\u091a \u0905\u0902\u0924 \u0938\u094d\u092e\u093e\u0930\u094d\u091f \u0916\u094b \u092b\u094b\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u0917\u093f\u092f\u0930 \u0915\u0947 \u0928\u093f\u0930\u094d\u092e\u093e\u0924\u093e \u0914\u0930 \u0906\u092a\u0942\u0930\u094d\u0924\u093f\u0915\u0930\u094d\u0924\u093e \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902  \u092e\u0949\u0921\u0932 \u092e\u0947\u0902 \u090f\u092f\u0930 \u0921\u094d\u0930\u093e\u0908 \u092c\u0947\u0921 \u0915\u0947 \u0938\u093e\u0925 \u092a\u0942\u0930\u0940 \u0924\u0930\u0939 \u0938\u0947 \u0938\u094d\u0935\u091a\u093e\u0932\u093f\u0924 \u092a\u094d\u0930\u0940-\u092b\u094b\u092e\u093f\u0902\u0917 \u092e\u0936\u0940\u0928\u0947\u0902 \u0936\u093e\u092e\u093f\u0932 \u0939\u0948\u0902, \u091c\u0948\u0938\u0947 \u0915\u093f \u0913\u0938\u0940-\u0935\u093e\u0908\u090f\u092b-\u0935\u093e\u0908450 (1650x1200x2680 \u092e\u093f\u092e\u0940, 40 \u0915\u093f\u0932\u094b \u0915\u094d\u0937\u092e\u0924\u093e) \u0914\u0930 \u0913\u0938\u0940-\u0935\u093e\u0908\u090f\u092b-\u0935\u093e\u0908550 (175 \u0907\u0928\u092e\u0947\u0902 \u0939\u093e\u0907\u092c\u094d\u0930\u093f\u0921 \u092b\u094b\u092e\u093f\u0902\u0917, \u092a\u0940\u090f\u0932\u0938\u0940 \u0911\u091f\u094b, \u0928\u0940\u091a\u0947 \u0928\u093f\u0930\u094d\u0935\u0939\u0928 \u0914\u0930 \u0930\u093f\u092e\u094b\u091f \u091f\u094d\u092f\u0942\u0928\u093f\u0902\u0917 \u0939\u0948\u0902\u0964<\/p>\n<h2 id=\"faq\"><strong>\u0938\u093e\u092e\u093e\u0928\u094d\u092f \u092a\u094d\u0930\u0936\u094d\u0928<\/strong><\/h2>\n<h3 id=\"what-density-range-is-ideal-for-eps-beads-in-lost-foam-casting\"><strong>\u0916\u094b\u090f \u0917\u090f \u092b\u094b\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u092e\u0947\u0902 \u0908\u092a\u0940\u090f\u0938 \u092e\u094b\u0924\u0940 \u0915\u0947 \u0932\u093f\u090f \u0915\u094c\u0928 \u0938\u0940 \u0918\u0928\u0924\u094d\u0935 \u0938\u0940\u092e\u093e \u0906\u0926\u0930\u094d\u0936 \u0939\u0948? <\/strong><\/h3>\n<p>\u0906\u092e\u0924\u094c\u0930 \u092a\u0930 20-30 \u0915\u093f\u0932\u094b \/ m\u00b3, 22-28 \u0915\u093f\u0932\u094b \/ m\u00b3 \u0915\u0947 \u0938\u093e\u0925 \u092a\u0948\u091f\u0930\u094d\u0928 \u0936\u0915\u094d\u0924\u093f \u0914\u0930 \u0935\u093e\u0937\u094d\u092a\u0940\u0915\u0930\u0923 \u0926\u0915\u094d\u0937\u0924\u093e \u0915\u094b \u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0906\u092e\u0964<\/p>\n<h3 id=\"why-is-maturation-necessary-after-pre-expansion\"><strong>\u092a\u0942\u0930\u094d\u0935-\u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u0915\u0947 \u092c\u093e\u0926 \u092a\u0930\u093f\u092a\u0915\u094d\u0935\u0924\u093e \u0915\u094d\u092f\u094b\u0902 \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948? <\/strong><\/h3>\n<p>\u0924\u093e\u091c\u093e \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u093f\u0924 \u092e\u094b\u0924\u0940 \u0905\u0938\u094d\u0925\u093f\u0930 \u0930\u0939\u0924\u0940 \u0939\u0948 \u0914\u0930 \u092e\u093e\u092e\u0942\u0932\u0940 \u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u091c\u093e\u0930\u0940 \u0930\u0916\u0924\u0940 \u0939\u0948; \u092a\u0930\u093f\u092a\u0915\u094d\u0935\u0924\u093e \u0935\u093e\u092f\u0941 \u092a\u094d\u0930\u0938\u093e\u0930 \u0914\u0930 \u0906\u092f\u093e\u092e\u0940 \u0938\u094d\u0925\u093f\u0930\u0924\u093e \u0915\u0940 \u0905\u0928\u0941\u092e\u0924\u093f \u0926\u0947\u0924\u0940 \u0939\u0948\u0964<\/p>\n<h3 id=\"how-does-steam-pressure-affect-bead-density\"><strong>\u092d\u093e\u092a \u0926\u092c\u093e\u0935 \u092e\u094b\u0924\u0940 \u0918\u0928\u0924\u094d\u0935 \u0915\u094b \u0915\u0948\u0938\u0947 \u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948? <\/strong><\/h3>\n<p>\u0909\u091a\u094d\u091a \u0926\u092c\u093e\u0935 \u092f\u093e \u0932\u0902\u092c\u0947 \u0938\u092e\u092f \u0924\u0915 \u090f\u0915\u094d\u0938\u092a\u094b\u091c\u0930 \u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u092c\u0922\u093c\u093e\u0915\u0930 \u0918\u0928\u0924\u094d\u0935 \u0915\u094b \u0915\u092e \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<h3 id=\"what-causes-dead-beads-in-pre-expansion\"><strong>\u0915\u094d\u092f\u093e \u0939\u0948 &#8220; \u092e\u0943\u0924 \u092e\u094b\u0924\u0940&#8221; \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930 \u092e\u0947\u0902? <\/strong><\/h3>\n<p>\u0905\u0924\u093f\u0930\u093f\u0915\u094d\u0924 \u0928\u092e\u0940 \u092f\u093e \u0905\u0938\u092e\u093e\u0928 \u0924\u093e\u092a; \u0939\u093e\u0907\u092c\u094d\u0930\u093f\u0921 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u092e\u0948\u0917\u094d\u0928\u0947\u091f\u093f\u0915-\u0938\u094d\u091f\u0940\u092e \u0935\u093f\u0927\u093f\u092f\u093e\u0902 \u0907\u0938\u0947 \u0930\u094b\u0915\u0924\u0940 \u0939\u0948\u0902\u0964<\/p>\n<h3 id=\"how-accurate-is-density-control-in-advanced-machines\"><strong>\u0909\u0928\u094d\u0928\u0924 \u092e\u0936\u0940\u0928\u094b\u0902 \u092e\u0947\u0902 \u0918\u0928\u0924\u094d\u0935 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0915\u093f\u0924\u0928\u093e \u0938\u091f\u0940\u0915 \u0939\u0948? <\/strong><\/h3>\n<p>\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928\u093f\u0915 \u0935\u091c\u0928 \u00b1 1 \u0917\u094d\u0930\u093e\u092e \u0915\u0947 \u092d\u0940\u0924\u0930 \u0935\u093f\u091a\u0932\u0928 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0924\u093e \u0939\u0948, \u0909\u091a\u094d\u091a \u0926\u094b\u0939\u0930\u093e\u0935 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<h2 id=\"partner-with-a-trusted-manufacturer-and-supplier-for-lost-foam-casting-equipment\"><strong>\u0916\u094b\u090f \u0917\u090f \u092b\u094b\u092e \u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u0909\u092a\u0915\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f \u0928\u093f\u0930\u094d\u092e\u093e\u0924\u093e \u0914\u0930 \u0906\u092a\u0942\u0930\u094d\u0924\u093f\u0915\u0930\u094d\u0924\u093e \u0915\u0947 \u0938\u093e\u0925 \u0938\u093e\u091d\u0947\u0926\u093e\u0930\u0940<\/strong><\/h2>\n<p>\u0915\u093e\u0938\u094d\u091f\u093f\u0902\u0917 \u0928\u093f\u0930\u094d\u092e\u093e\u0924\u093e\u0913\u0902, \u092b\u093e\u0909\u0902\u0921\u094d\u0930\u0940 \u0911\u092a\u0930\u0947\u091f\u0930\u094b\u0902 \u0914\u0930 \u0909\u092a\u0915\u0930\u0923 \u0906\u092a\u0942\u0930\u094d\u0924\u093f\u0915\u0930\u094d\u0924\u093e\u0913\u0902 \u0915\u094b \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f \u0908\u092a\u0940\u090f\u0938 \u092a\u0942\u0930\u094d\u0935 \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u0915 \u092e\u0936\u0940\u0928\u094b\u0902 \u0915\u0940 \u0924\u0932\u093e\u0936 \u0916\u094b\u090f \u0917\u090f \u092b\u094b\u092e \u0938\u092e\u093e\u0927\u093e\u0928\u094b\u0902 \u092e\u0947\u0902 \u0935\u093f\u0936\u0947\u0937\u091c\u094d\u091e\u0924\u093e \u0935\u093e\u0932\u0947 \u090f\u0915 \u0938\u092e\u0930\u094d\u092a\u093f\u0924 \u0915\u093e\u0930\u0916\u093e\u0928\u0947 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902, \u0913\u0938\u0940 \u091f\u0947\u0915\u094d\u0928\u094b\u0932\u0949\u091c\u0940 \u0926\u0915\u094d\u0937\u0924\u093e \u0914\u0930 \u0917\u0941\u0923\u0935\u0924\u094d\u0924\u093e \u0915\u0947 \u0932\u093f\u090f \u0905\u0928\u0941\u0915\u0942 <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/hi\/%e0%a4%b8%e0%a4%82%e0%a4%aa%e0%a4%b0%e0%a5%8d%e0%a4%95-%e0%a4%95%e0%a4%b0%e0%a5%87%e0%a4%82\/\"><strong>\u092a\u0942\u091b\u0924\u093e\u091b \u0915\u0930\u0947\u0902<\/strong><\/a> via Tel: +86 15988479417 or Email: <a style=\"text-decoration: underline;\" href=\"mailto:zyh@oc-epc.com\">zyh@oc-epc.com<\/a> \u0924\u0915\u0928\u0940\u0915\u0940 \u092a\u0930\u093e\u092e\u0930\u094d\u0936, \u0915\u0938\u094d\u091f\u092e \u0935\u093f\u0928\u094d\u092f\u093e\u0938, \u092f\u093e \u0909\u0924\u094d\u092a\u093e\u0926\u0928 \u0932\u093e\u0907\u0928 \u0905\u0928\u0941\u0915\u0942\u0932\u0928 \u0915\u0947 \u0932\u093f\u090f\u0964<\/p>","protected":false},"excerpt":{"rendered":"<p>The EPS Pre Expander Machine plays a central role in lost foam casting. It prepares expanded polystyrene (EPS) beads that form the patterns which disappear when hot metal pours in. This step requires careful control over bead growth to get even density, strong shapes, and clean castings without flaws. Introduction to Lost Foam Casting and [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4902,"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-4895","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\/hi\/wp-json\/wp\/v2\/posts\/4895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oc-epc.com\/hi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oc-epc.com\/hi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/hi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/hi\/wp-json\/wp\/v2\/comments?post=4895"}],"version-history":[{"count":3,"href":"https:\/\/www.oc-epc.com\/hi\/wp-json\/wp\/v2\/posts\/4895\/revisions"}],"predecessor-version":[{"id":4906,"href":"https:\/\/www.oc-epc.com\/hi\/wp-json\/wp\/v2\/posts\/4895\/revisions\/4906"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/hi\/wp-json\/wp\/v2\/media\/4902"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/hi\/wp-json\/wp\/v2\/media?parent=4895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/hi\/wp-json\/wp\/v2\/categories?post=4895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/hi\/wp-json\/wp\/v2\/tags?post=4895"}],"curies":[{"name":"\u0921\u092c\u094d\u0932\u094d\u092f\u0942\u092a\u0940","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}