{"id":9534,"date":"2026-02-02T14:53:11","date_gmt":"2026-02-02T06:53:11","guid":{"rendered":"https:\/\/www.packqc.com\/products\/coefficient-of-friction-testing-equipment\/"},"modified":"2026-04-14T12:04:12","modified_gmt":"2026-04-14T04:04:12","slug":"coefficient-of-friction-testing-equipment","status":"publish","type":"products","link":"https:\/\/www.packqc.com\/hi\/products\/coefficient-of-friction-testing-equipment\/","title":{"rendered":"COF-01 \u0918\u0930\u094d\u0937\u0923 \u0917\u0941\u0923\u093e\u0902\u0915 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0909\u092a\u0915\u0930\u0923"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u092e\u0948\u0902\u0964 <strong>\u092a\u0930\u093f\u091a\u092f <\/strong><strong>\u0918\u0930\u094d\u0937\u0923 \u0917\u0941\u0923\u093e\u0902\u0915 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0909\u092a\u0915\u0930\u0923<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(1) \u0918\u0930\u094d\u0937\u0923 \u0917\u0941\u0923\u093e\u0902\u0915 (CoF) \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0915\u093e \u0905\u0935\u0932\u094b\u0915\u0928<\/strong><\/h3>\n\n\n\n<p>\u0918\u0930\u094d\u0937\u0923 \u0917\u0941\u0923\u093e\u0902\u0915 (CoF) \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u092e\u0947\u0902 \u090f\u0915 \u092e\u0942\u0932\u092d\u0942\u0924 \u092a\u0948\u0930\u093e\u092e\u0940\u091f\u0930 \u0939\u0948 \u091c\u094b \u0926\u094b \u0938\u0924\u0939\u094b\u0902 \u0915\u0947 \u090f\u0915 \u0926\u0942\u0938\u0930\u0947 \u0915\u0947 \u0916\u093f\u0932\u093e\u092b\u093c \u092b\u093f\u0938\u0932\u0928\u0947 \u092a\u0930 \u0939\u094b\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927 \u0915\u094b \u092e\u093e\u092a\u0924\u093e \u0939\u0948\u0964 \u092a\u0948\u0915\u0947\u091c\u093f\u0902\u0917, \u091a\u093f\u0915\u093f\u0924\u094d\u0938\u093e \u0909\u092a\u0915\u0930\u0923, \u092b\u093e\u0930\u094d\u092e\u093e\u0938\u094d\u092f\u0942\u091f\u093f\u0915\u0932\u094d\u0938, \u091a\u093f\u092a\u0915\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u0926\u093e\u0930\u094d\u0925, \u0915\u092a\u0921\u093c\u093e \u0914\u0930 \u0905\u0928\u094d\u092f \u0938\u0939\u093f\u0924 \u0915\u0908 \u0909\u0926\u094d\u092f\u094b\u0917\u094b\u0902 \u092e\u0947\u0902 \u0935\u093f\u092d\u093f\u0928\u094d\u0928 \u0909\u0924\u094d\u092a\u093e\u0926\u094b\u0902 \u0915\u0940 \u0917\u0941\u0923\u0935\u0924\u094d\u0924\u093e, \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u0914\u0930 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f CoF \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0939\u0948\u0964 \u0938\u091f\u0940\u0915 CoF \u092e\u093e\u092a \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0915\u0947 \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0915\u094b \u0938\u092e\u091d\u0928\u0947, \u0935\u093f\u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e\u0913\u0902 \u0915\u094b \u0905\u0928\u0941\u0915\u0942\u0932\u093f\u0924 \u0915\u0930\u0928\u0947 \u0914\u0930 \u0909\u0926\u094d\u092f\u094b\u0917 \u092e\u093e\u0928\u0915\u094b\u0902 \u0915\u0947 \u0905\u0928\u0941\u092a\u093e\u0932\u0928 \u0915\u094b \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u092e\u0947\u0902 \u092e\u0926\u0926 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(2) \u0938\u0947\u0932 \u0907\u0902\u0938\u094d\u091f\u094d\u0930\u0942\u092e\u0947\u0902\u091f\u094d\u0938 \u0915\u0947 \u092c\u093e\u0930\u0947 \u092e\u0947\u0902 \u0918\u0930\u094d\u0937\u0923 \u0917\u0941\u0923\u093e\u0902\u0915 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0909\u092a\u0915\u0930\u0923<\/strong><\/h3>\n\n\n\n<p>\u0938\u0947\u0932 \u0907\u0902\u0938\u094d\u091f\u094d\u0930\u0942\u092e\u0947\u0902\u091f\u094d\u0938 \u092e\u0947\u0902, \u0939\u092e \u0905\u092a\u0928\u0947 \u0917\u094d\u0930\u093e\u0939\u0915\u094b\u0902 \u0915\u0940 \u0935\u093f\u0935\u093f\u0927 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u0915\u094b \u092a\u0942\u0930\u093e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0915\u093f\u090f \u0917\u090f \u0905\u0924\u094d\u092f\u093e\u0927\u0941\u0928\u093f\u0915 \u0918\u0930\u094d\u0937\u0923 \u0917\u0941\u0923\u093e\u0902\u0915 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0909\u092a\u0915\u0930\u0923 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u0939\u092e\u093e\u0930\u0947 \u0909\u092a\u0915\u0930\u0923 \u0938\u091f\u0940\u0915\u0924\u093e, \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f\u0924\u093e \u0914\u0930 \u092c\u0939\u0941\u092e\u0941\u0916\u0940 \u092a\u094d\u0930\u0924\u093f\u092d\u093e \u0915\u0947 \u0932\u093f\u090f \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930 \u0915\u093f\u090f \u0917\u090f \u0939\u0948\u0902, \u092f\u0939 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0941\u090f \u0915\u093f \u0906\u092a\u0915\u094b \u0939\u0930 \u092c\u093e\u0930 \u0938\u0941\u0938\u0902\u0917\u0924 \u0914\u0930 \u0938\u091f\u0940\u0915 \u092a\u0930\u093f\u0923\u093e\u092e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0902\u0964<\/p>\n\n\n\n<p><strong>\u092e\u0941\u0916\u094d\u092f \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u090f\u0902 \u0914\u0930 \u0932\u093e\u092d:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0909\u091a\u094d\u091a\u093e \u092a\u0930\u093f\u0936\u0941\u0926\u094d\u0927\u093f:<\/strong> \u0939\u092e\u093e\u0930\u093e \u0909\u092a\u0915\u0930\u0923 \u0928\u094d\u092f\u0942\u0928\u0924\u092e \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928\u0936\u0940\u0932\u0924\u093e \u0915\u0947 \u0938\u093e\u0925 \u0938\u091f\u0940\u0915 CoF \u092e\u093e\u092a \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0915\u093f\u092f\u093e \u0917\u092f\u093e \u0939\u0948\u0964<\/li>\n\n\n\n<li><strong>\u0909\u092a\u092d\u094b\u0915\u094d\u0924\u093e - \u0905\u0928\u0941\u0915\u0942\u0932 \u0907\u0902\u091f\u0930\u092b\u093c\u0947\u0938:<\/strong> \u0909\u092a\u092f\u094b\u0917 \u092e\u0947\u0902 \u0906\u0938\u093e\u0928 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0914\u0930 \u0938\u0939\u091c \u091c\u094d\u091e\u093e\u0928 \u092f\u0941\u0915\u094d\u0924 \u0938\u0949\u092b\u094d\u091f\u0935\u0947\u092f\u0930, \u092a\u0939\u0932\u0940 \u092c\u093e\u0930 \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0928\u0947 \u0935\u093e\u0932\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u092d\u0940, \u0938\u0902\u091a\u093e\u0932\u0928 \u0915\u094b \u0938\u0930\u0932 \u092c\u0928\u093e\u0924\u0947 \u0939\u0948\u0902\u0964<\/li>\n\n\n\n<li><em><strong>\u0905\u0928\u0941\u0915\u0942\u0932\u0928 \u0935\u093f\u0915\u0932\u094d\u092a:<\/strong> \u0939\u092e \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u0915\u094b \u092a\u0942\u0930\u093e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0905\u0928\u0941\u0915\u0942\u0932\u093f\u0924 \u0938\u092e\u093e\u0927\u093e\u0928 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/em><\/li>\n\n\n\n<li><strong>\u092e\u091c\u092c\u0942\u0924 \u0921\u093f\u091c\u093e\u0907\u0928:<\/strong> \u091f\u093f\u0915\u093e\u090a\u092a\u0928 \u0915\u0947 \u0932\u093f\u090f \u0928\u093f\u0930\u094d\u092e\u093f\u0924 \u0939\u092e\u093e\u0930\u0940 CoF \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u092e\u0936\u0940\u0928\u094b\u0902 \u0915\u094b \u0928\u094d\u092f\u0942\u0928\u0924\u092e \u0930\u0916\u0930\u0916\u093e\u0935 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0924\u0940 \u0939\u0948, \u091c\u093f\u0938\u0938\u0947 \u0926\u0940\u0930\u094d\u0918\u0915\u093e\u0932\u093f\u0915 \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f\u0924\u093e \u092e\u093f\u0932\u0924\u0940 \u0939\u0948\u0964<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"\u0918\u0930\u094d\u0937\u0923 \u0917\u0941\u0923\u093e\u0902\u0915 \u0915\u0947 \u0932\u093f\u090f \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0935\u093f\u0927\u093f \u0915\u094d\u092f\u093e \u0939\u0948?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/NUgXENOz8J0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">II. \u0924\u0915\u0928\u0940\u0915\u0940 \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936 \u0914\u0930 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u090f\u0902<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0924\u0915\u0928\u0940\u0915\u0940 \u0928\u093f\u0930\u094d\u0926\u0947\u0936<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u092d\u0930\u093e \u0915\u094b\u0936<\/td><td>5 \u090f\u0928 (\u092f\u093e \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0928\u0941\u0938\u093e\u0930)<\/td><\/tr><tr><td>\u0936\u0941\u0926\u094d\u0927\u0924\u093e<\/td><td>0.5 \u090f\u092b\u090f\u0938<\/td><\/tr><tr><td>\u092c\u0947\u092a\u0939\u093f\u092f\u094b\u0902 \u0915\u0940 \u0917\u093e\u0921\u093c\u0940<\/td><td>200\u00b11g (\u092f\u093e \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0928\u0941\u0938\u093e\u0930)<\/td><\/tr><tr><td>\u0938\u094d\u0932\u0947\u091c \u0915\u093e \u0906\u0915\u093e\u0930<\/td><td>63.5 \u092e\u093f\u092e\u0940*63.5 \u092e\u093f\u092e\u0940 (\u092f\u093e \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0928\u0941\u0938\u093e\u0930)<\/td><\/tr><tr><td>\u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0917\u0924\u093f<\/td><td>100\u092e\u093f\u092e\u0940\/\u092e\u093f\u0928\u091f (\u0906\u0908\u090f\u0938\u0913), 150\u092e\u093f\u092e\u0940\/\u092e\u093f\u0928\u091f (\u090f\u090f\u0938\u091f\u0940\u090f\u092e)<\/td><\/tr><tr><td>DIMENSIONS<\/td><td>540\u092e\u093f\u092e\u0940(\u0932\u0902\u092c\u093e\u0908)*380\u092e\u093f\u092e\u0940(\u091a\u094c\u0921\u093c\u093e\u0908)*240\u092e\u093f\u092e\u0940(\u090a\u0902\u091a\u093e\u0908)<\/td><\/tr><tr><td>\u0935\u091c\u093c\u0928<\/td><td>\u0909\u0924\u094d\u0924\u0930 \u092a\u0936\u094d\u091a\u093f\u092e 21\u0915\u093f\u0917\u094d\u0930\u093e<\/td><\/tr><tr><td>\u0936\u0915\u094d\u0924\u093f<\/td><td>110~220V 50\/60\u0939\u0930\u094d\u091f\u094d\u091c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0924\u0915\u0928\u0940\u0915\u0940 \u0938\u0941\u0935\u093f\u0927\u093e\u0913\u0902<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">(1) \u092a\u0930\u093f\u0936\u0941\u0926\u094d\u0927\u0924\u093e \u0914\u0930 \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f\u0924\u093e<\/h4>\n\n\n\n<p>\u0932\u0917\u093e\u0924\u093e\u0930 \u0914\u0930 \u0938\u091f\u0940\u0915 \u092a\u0930\u093f\u0923\u093e\u092e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u093e \u0939\u092e\u093e\u0930\u0947 CoF \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0909\u092a\u0915\u0930\u0923 \u0915\u093e \u092e\u0941\u0916\u094d\u092f \u0909\u0926\u094d\u0926\u0947\u0936\u094d\u092f \u0939\u0948\u0964 \u0909\u0928\u094d\u0928\u0924 \u0938\u0947\u0902\u0938\u0930 \u0914\u0930 \u0905\u0902\u0936\u093e\u0902\u0915\u0928 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0909\u091a\u094d\u091a \u092a\u0930\u093f\u0936\u0941\u0926\u094d\u0927\u0924\u093e \u0915\u0940 \u0917\u093e\u0930\u0902\u091f\u0940 \u0926\u0947\u0924\u0947 \u0939\u0948\u0902, \u091c\u092c\u0915\u093f \u092e\u091c\u092c\u0942\u0924 \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0926\u0940\u0930\u094d\u0918\u0915\u093e\u0932\u093f\u0915 \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f\u0924\u093e \u0914\u0930 \u0928\u094d\u092f\u0942\u0928\u0924\u092e \u0930\u0916\u0930\u0916\u093e\u0935 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">(2) \u092c\u0939\u0941\u092e\u0941\u0916\u0940 \u092a\u094d\u0930\u0924\u093f\u092d\u093e \u0914\u0930 \u0905\u0928\u0941\u0915\u0942\u0932\u0928<\/h4>\n\n\n\n<p>\u0939\u092e\u093e\u0930\u0947 \u0909\u092a\u0915\u0930\u0923 \u0915\u094b \u0935\u093f\u092d\u093f\u0928\u094d\u0928 \u092a\u094d\u0930\u0915\u093e\u0930 \u0915\u0940 \u0938\u093e\u092e\u0917\u094d\u0930\u093f\u092f\u094b\u0902 \u0914\u0930 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u092a\u0930\u093f\u0926\u0943\u0936\u094d\u092f\u094b\u0902 \u0915\u0947 \u0905\u0928\u0941\u0915\u0942\u0932 \u092c\u0928\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0915\u093f\u092f\u093e \u0917\u092f\u093e \u0939\u0948\u0964 \u091a\u093e\u0939\u0947 \u0906\u092a \u091a\u093f\u0915\u0928\u0940 \u092b\u093f\u0932\u094d\u092e\u094b\u0902, \u0916\u0941\u0930\u0926\u0930\u0947 \u0915\u092a\u0921\u093c\u094b\u0902 \u092f\u093e \u091a\u093f\u092a\u0915\u0928\u0947 \u0935\u093e\u0932\u0940 \u0938\u0924\u0939\u094b\u0902 \u0915\u093e \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0915\u0930 \u0930\u0939\u0947 \u0939\u094b\u0902, \u0939\u092e\u093e\u0930\u0947 \u0918\u0930\u094d\u0937\u0923 \u0917\u0941\u0923\u093e\u0902\u0915 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0909\u092a\u0915\u0930\u0923 \u0938\u091f\u0940\u0915 \u092a\u0930\u093f\u0923\u093e\u092e \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u0939\u092e \u0905\u0926\u094d\u0935\u093f\u0924\u0940\u092f \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u0915\u094b \u0938\u0902\u092c\u094b\u0927\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0905\u0928\u0941\u0915\u0942\u0932\u0928 \u0935\u093f\u0915\u0932\u094d\u092a \u092d\u0940 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u091c\u094b \u0906\u092a\u0915\u0947 \u092e\u094c\u091c\u0942\u0926\u093e \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e\u0913\u0902 \u092e\u0947\u0902 \u0938\u0939\u091c\u0924\u093e \u0938\u0947 \u090f\u0915\u0940\u0915\u0943\u0924 \u0939\u094b\u0928\u0947 \u0935\u093e\u0932\u0947 \u0905\u0928\u0941\u0930\u0942\u092a \u0938\u092e\u093e\u0927\u093e\u0928 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">(3) \u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e \u0905\u0928\u0941\u092d\u0935 \u0914\u0930 \u0938\u092e\u0930\u094d\u0925\u0928<\/h4>\n\n\n\n<p>\u0909\u092a\u092f\u094b\u0917 \u092e\u0947\u0902 \u0906\u0938\u093e\u0928\u0940 \u0939\u092e\u093e\u0930\u0947 CoF \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0909\u092a\u0915\u0930\u0923 \u0915\u0940 \u090f\u0915 \u092a\u094d\u0930\u092e\u0941\u0916 \u0935\u093f\u0936\u0947\u0937\u0924\u093e \u0939\u0948\u0964 \u0938\u0939\u091c \u091c\u094d\u091e\u093e\u0928 \u092f\u0941\u0915\u094d\u0924 \u0907\u0902\u091f\u0930\u092b\u093c\u0947\u0938 \u0938\u0930\u0932 \u0938\u0902\u091a\u093e\u0932\u0928 \u0915\u0940 \u0905\u0928\u0941\u092e\u0924\u093f \u0926\u0947\u0924\u093e \u0939\u0948, \u091c\u092c\u0915\u093f \u0939\u092e\u093e\u0930\u0947 \u0935\u094d\u092f\u093e\u092a\u0915 \u092a\u094d\u0930\u0936\u093f\u0915\u094d\u0937\u0923 \u0915\u093e\u0930\u094d\u092f\u0915\u094d\u0930\u092e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u0915\u093f \u0906\u092a\u0915\u0940 \u091f\u0940\u092e \u0909\u092a\u0915\u0930\u0923 \u0915\u093e \u092a\u094d\u0930\u092d\u093e\u0935\u0940 \u0922\u0902\u0917 \u0938\u0947 \u0909\u092a\u092f\u094b\u0917 \u0915\u0930 \u0938\u0915\u0947\u0964 \u0907\u0938\u0915\u0947 \u0905\u0924\u093f\u0930\u093f\u0915\u094d\u0924, \u0939\u092e \u0915\u093f\u0938\u0940 \u092d\u0940 \u0938\u092e\u0938\u094d\u092f\u093e \u092f\u093e \u092a\u094d\u0930\u0936\u094d\u0928 \u0915\u0947 \u0938\u093e\u0925 \u0906\u092a\u0915\u0940 \u0938\u0939\u093e\u092f\u0924\u093e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0905\u0938\u093e\u0927\u093e\u0930\u0923 \u0924\u0915\u0928\u0940\u0915\u0940 \u0938\u0939\u093e\u092f\u0924\u093e \u0914\u0930 \u0917\u094d\u0930\u093e\u0939\u0915 \u0938\u0947\u0935\u093e \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2024\/06\/astm-d1709-coefficient-of-friction-testing-equipment.jpg\" alt=\"\u090f\u090f\u0938\u091f\u0940\u090f\u092e \u0921\u09401709 \u0918\u0930\u094d\u0937\u0923 \u0917\u0941\u0923\u093e\u0902\u0915 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0909\u092a\u0915\u0930\u0923\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">III. \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0935\u093f\u0927\u093f\u092f\u093e\u0901<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">(1) \u0938\u0940\u0913\u090f\u092b \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0915\u0947 \u0938\u093f\u0926\u094d\u0927\u093e\u0902\u0924<\/h3>\n\n\n\n<p>CoF \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u092e\u0947\u0902 \u0926\u094b \u0938\u0924\u0939\u094b\u0902 \u0915\u0947 \u092c\u0940\u091a \u0918\u0930\u094d\u0937\u0923 \u092c\u0932\u094b\u0902 \u0915\u094b \u092e\u093e\u092a\u0928\u093e \u0936\u093e\u092e\u093f\u0932 \u0939\u0948\u0964 \u0907\u0938\u0947 \u0906\u092e \u0924\u094c\u0930 \u092a\u0930 \u0938\u094d\u0925\u0948\u0924\u093f\u0915 \u0918\u0930\u094d\u0937\u0923 (\u0917\u0924\u093f \u0936\u0941\u0930\u0942 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0906\u0935\u0936\u094d\u092f\u0915 \u092c\u0932) \u0914\u0930 \u0917\u0924\u093f\u091c \u0918\u0930\u094d\u0937\u0923 (\u0917\u0924\u093f \u092c\u0928\u093e\u090f \u0930\u0916\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0906\u0935\u0936\u094d\u092f\u0915 \u092c\u0932) \u092e\u0947\u0902 \u0935\u093f\u092d\u093e\u091c\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0938\u091f\u0940\u0915 \u0914\u0930 \u0926\u094b\u0939\u0930\u093e\u090f \u091c\u093e\u0928\u0947 \u092f\u094b\u0917\u094d\u092f \u092a\u0930\u093f\u0923\u093e\u092e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0909\u091a\u093f\u0924 \u0928\u092e\u0942\u0928\u093e \u0924\u0948\u092f\u093e\u0930\u0940 \u0914\u0930 \u0915\u0902\u0921\u0940\u0936\u0928\u093f\u0902\u0917 \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948\u0964<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(2) \u0928\u092e\u0942\u0928\u093e \u0924\u0948\u092f\u093e\u0930 \u0915\u0930\u0928\u093e \u0914\u0930 \u0915\u0902\u0921\u0940\u0936\u0928\u093f\u0902\u0917<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0928\u092e\u0942\u0928\u0947 \u0915\u093e \u0906\u0915\u093e\u0930:<\/strong> \u092e\u093e\u0928\u0915 \u0906\u0915\u093e\u0930 \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 63.5 \u092e\u093f\u092e\u0940 x 63.5 \u092e\u093f\u092e\u0940 (\u092e\u093e\u0928\u0915) \u0939\u094b\u0924\u093e \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u092f\u0939 \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u0915\u0947 \u0906\u0927\u093e\u0930 \u092a\u0930 \u092d\u093f\u0928\u094d\u0928 \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/li>\n\n\n\n<li><strong>\u0915\u0902\u0921\u0940\u0936\u0928\u093f\u0902\u0917:<\/strong> \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0938\u0947 \u092a\u0939\u0932\u0947 \u0928\u092e\u0942\u0928\u094b\u0902 \u0915\u094b \u0915\u092e \u0938\u0947 \u0915\u092e 48 \u0918\u0902\u091f\u0947 \u0924\u0915 23\u00b0C \u0914\u0930 50% \u0938\u093e\u092a\u0947\u0915\u094d\u0937 \u0906\u0930\u094d\u0926\u094d\u0930\u0924\u093e \u092a\u0930 \u0930\u0916\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">(3) \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0905\u0902\u0936\u093e\u0902\u0915\u0928:<\/strong> \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0947\u0902 \u0915\u093f \u0909\u092a\u0915\u0930\u0923 \u0928\u093f\u0930\u094d\u092e\u093e\u0924\u093e \u0915\u0947 \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u094b\u0902 \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930 \u0915\u0948\u0932\u093f\u092c\u094d\u0930\u0947\u091f\u0947\u0921 \u0939\u0948\u0964<\/li>\n\n\n\n<li><strong>\u0928\u092e\u0942\u0928\u093e \u092a\u094d\u0932\u0947\u0938\u092e\u0947\u0902\u091f:<\/strong> \u0928\u092e\u0942\u0928\u0947 \u0915\u094b \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0938\u094d\u0932\u0947\u0921 \u092a\u0930 \u0924\u0925\u093e \u0938\u092e\u0915\u0915\u094d\u0937 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0915\u094b \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u092c\u0947\u0921 \u092a\u0930 \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0916\u0947\u0902\u0964<\/li>\n\n\n\n<li><strong>\u092a\u0930\u0940\u0915\u094d\u0937\u0923:<\/strong> \u0938\u094d\u0932\u0947\u091c \u0915\u094b \u0938\u094d\u0925\u093f\u0930 \u0917\u0924\u093f \u0938\u0947 \u091a\u0932\u093e\u0915\u0930 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0906\u0930\u0902\u092d \u0915\u0930\u0947\u0902\u0964 \u0938\u094d\u0925\u0948\u0924\u093f\u0915 \u0914\u0930 \u0917\u0924\u093f\u091c \u0918\u0930\u094d\u0937\u0923 \u092c\u0932\u094b\u0902 \u0915\u094b \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0915\u0930\u0947\u0902\u0964<\/li>\n\n\n\n<li><strong>\u0921\u0947\u091f\u093e \u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923:<\/strong> CoF \u092e\u093e\u0928 \u0928\u093f\u0930\u094d\u0927\u093e\u0930\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u093f\u090f \u0917\u090f \u0938\u0949\u092b\u093c\u094d\u091f\u0935\u0947\u092f\u0930 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0915\u0947 \u092a\u0930\u093f\u0923\u093e\u092e\u094b\u0902 \u0915\u093e \u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923 \u0915\u0930\u0947\u0902\u0964<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u091a\u0924\u0941\u0930\u094d\u0925. <strong>CoF \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0915\u0947 \u0932\u093f\u090f \u092e\u093e\u0928\u0915<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(1) \u090f\u090f\u0938\u091f\u0940\u090f\u092e \u0921\u09401894<\/strong><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.packqc.com\/hi\/standard\/astm-d1894\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u090f\u090f\u0938\u091f\u0940\u090f\u092e \u0921\u09401894<\/a> \u092a\u094d\u0932\u093e\u0938\u094d\u091f\u093f\u0915 \u092b\u093f\u0932\u094d\u092e \u0914\u0930 \u0936\u0940\u091f\u093f\u0902\u0917 \u0915\u0947 CoF \u0915\u094b \u092e\u093e\u092a\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u0935\u094d\u092f\u093e\u092a\u0915 \u0930\u0942\u092a \u0938\u0947 \u092e\u093e\u0928\u094d\u092f\u0924\u093e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u092e\u093e\u0928\u0915 \u0939\u0948\u0964 \u092f\u0939 \u0935\u093f\u092d\u093f\u0928\u094d\u0928 \u092a\u094d\u0930\u092f\u094b\u0917\u0936\u093e\u0932\u093e\u0913\u0902 \u0914\u0930 \u0909\u0926\u094d\u092f\u094b\u0917\u094b\u0902 \u092e\u0947\u0902 \u092a\u0930\u093f\u0923\u093e\u092e\u094b\u0902 \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u0938\u0941\u0938\u0902\u0917\u0924 \u092a\u0926\u094d\u0927\u0924\u093f \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">ASTM D1894 \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930 \u0935\u093f\u0938\u094d\u0924\u0943\u0924 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0935\u093f\u0927\u093f:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0928\u092e\u0942\u0928\u093e \u0924\u0948\u092f\u093e\u0930 \u0915\u0930\u0928\u093e:<\/strong> \u0928\u092e\u0942\u0928\u094b\u0902 \u0915\u094b \u092a\u091f\u094d\u091f\u093f\u092f\u094b\u0902 \u092e\u0947\u0902 \u0915\u093e\u091f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0924\u0925\u093e \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0905\u0928\u0941\u0938\u093e\u0930 \u0909\u0928\u0915\u093e \u0909\u092a\u091a\u093e\u0930 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n\n\n\n<li><strong>\u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0938\u0947\u091f\u0905\u092a:<\/strong> \u092b\u093f\u0932\u094d\u092e \u0915\u094b \u0915\u094d\u0937\u0948\u0924\u093f\u091c \u0924\u0932 \u092a\u0930 \u0930\u0916\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u091c\u092c\u0915\u093f \u0909\u0938\u0940 \u092f\u093e \u092d\u093f\u0928\u094d\u0928 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0938\u0947 \u0922\u0915\u0947 \u0938\u094d\u0932\u0947\u091c \u0915\u094b \u0938\u092e\u0924\u0932 \u092a\u0930 \u0938\u094d\u0925\u093f\u0930 \u0917\u0924\u093f \u0938\u0947 \u0916\u0940\u0902\u091a\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n\n\n\n<li><strong>\u092e\u093e\u092a:<\/strong> \u0917\u0924\u093f \u0915\u094b \u0906\u0930\u0902\u092d \u0915\u0930\u0928\u0947 \u0914\u0930 \u092c\u0928\u093e\u090f \u0930\u0916\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0906\u0935\u0936\u094d\u092f\u0915 \u092c\u0932\u094b\u0902 \u0915\u094b \u0938\u094d\u0925\u0948\u0924\u093f\u0915 \u0914\u0930 \u0917\u0924\u093f\u091c CoF \u0928\u093f\u0930\u094d\u0927\u093e\u0930\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u090f\u0901 \u090f\u0935\u0902 \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0909\u092a\u0915\u0930\u0923 \u0905\u0902\u0936\u093e\u0902\u0915\u0928:<\/strong> \u0938\u091f\u0940\u0915\u0924\u093e \u0915\u0947 \u0932\u093f\u090f \u0928\u093f\u092f\u092e\u093f\u0924 \u0905\u0902\u0936\u093e\u0902\u0915\u0928 \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948\u0964<\/li>\n\n\n\n<li><strong>\u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0917\u0924\u093f:<\/strong> \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 150 \u092e\u093f\u092e\u0940\/\u092e\u093f\u0928\u091f \u092a\u0930 \u0938\u0947\u091f \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n\n\n\n<li><strong>\u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923 \u0938\u094d\u0925\u093f\u0924\u093f\u092f\u093e\u0902:<\/strong> \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u0924\u093e\u092a\u092e\u093e\u0928 \u0914\u0930 \u0906\u0930\u094d\u0926\u094d\u0930\u0924\u093e \u0938\u094d\u0924\u0930 \u092a\u0930 \u0915\u093f\u092f\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(2) \u0906\u0908\u090f\u0938\u0913 8295<\/strong><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.packqc.com\/hi\/standard\/iso-8295\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0906\u0908\u090f\u0938\u0913 8295<\/a> \u092a\u094d\u0932\u093e\u0938\u094d\u091f\u093f\u0915 \u092b\u093f\u0932\u094d\u092e\u094b\u0902 \u0914\u0930 \u0936\u0940\u091f\u093f\u0902\u0917 \u0915\u0947 CoF \u0915\u093e \u0928\u093f\u0930\u094d\u0927\u093e\u0930\u0923 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u0905\u0902\u0924\u0930\u0930\u093e\u0937\u094d\u091f\u094d\u0930\u0940\u092f \u092e\u093e\u0928\u0915 \u0939\u0948\u0964 \u092f\u0939 \u0935\u0948\u0936\u094d\u0935\u093f\u0915 \u0938\u094d\u0924\u0930 \u092a\u0930 \u090f\u0915 \u0938\u092e\u093e\u0928 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0914\u0930 \u092a\u0930\u093f\u0923\u093e\u092e \u0938\u094d\u0925\u093f\u0930\u0924\u093e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u0906\u0908\u090f\u0938\u0913 8295 \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930 \u0935\u093f\u0938\u094d\u0924\u0943\u0924 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0935\u093f\u0927\u093f:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0928\u092e\u0942\u0928\u093e \u0924\u0948\u092f\u093e\u0930 \u0915\u0930\u0928\u093e:<\/strong> \u0915\u0947 \u0938\u092e\u093e\u0928 <a href=\"https:\/\/store.astm.org\/d1894-24.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">\u090f\u090f\u0938\u091f\u0940\u090f\u092e \u0921\u09401894<\/a>, \u0928\u092e\u0942\u0928\u0947 \u0924\u0948\u092f\u093e\u0930 \u0914\u0930 \u0905\u0928\u0941\u0915\u0942\u0932\u093f\u0924 \u0915\u093f\u090f \u091c\u093e\u0924\u0947 \u0939\u0948\u0902\u0964.<\/li>\n\n\n\n<li><strong>\u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0938\u0947\u091f\u0905\u092a:<\/strong> \u0928\u092e\u0942\u0928\u0947 \u0915\u094b \u090f\u0915 \u0938\u092e\u0924\u0932 \u0938\u0924\u0939 \u092a\u0930 \u0930\u0916\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u0925\u093e \u090f\u0915 \u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u092d\u093e\u0930 \u0935\u093e\u0932\u0947 \u0938\u094d\u0932\u0947\u091c \u0915\u094b \u0938\u094d\u0925\u093f\u0930 \u0917\u0924\u093f \u0938\u0947 \u0909\u0938 \u092a\u0930 \u0916\u0940\u0902\u091a\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n\n\n\n<li><strong>\u092e\u093e\u092a:<\/strong> CoF \u0915\u0940 \u0917\u0923\u0928\u093e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0938\u094d\u0925\u0948\u0924\u093f\u0915 \u0914\u0930 \u0917\u0924\u093f\u091c \u0918\u0930\u094d\u0937\u0923 \u092c\u0932\u094b\u0902 \u0915\u094b \u092e\u093e\u092a\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u090f\u0901 \u090f\u0935\u0902 \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0917\u0924\u093f:<\/strong> 100 \u0938\u0947 300 \u092e\u093f\u092e\u0940\/\u092e\u093f\u0928\u091f \u0915\u0947 \u092c\u0940\u091a \u0938\u0947\u091f \u0915\u0930\u0947\u0902, \u0938\u093e\u092e\u093e\u0928\u094d\u092f\u0924\u0903 100 \u092e\u093f\u092e\u0940\/\u092e\u093f\u0928\u091f\u0964<\/li>\n\n\n\n<li><strong>\u0938\u094d\u0932\u0947\u091c \u0915\u093e \u0935\u091c\u0928:<\/strong> \u092e\u093e\u0928\u0915 \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930 \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f.<\/li>\n\n\n\n<li><strong>\u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923 \u0938\u094d\u0925\u093f\u0924\u093f\u092f\u093e\u0902:<\/strong> \u092a\u0941\u0928\u0930\u093e\u0935\u0943\u0924\u094d\u0924\u093f \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u092a\u0930\u093f\u0938\u094d\u0925\u093f\u0924\u093f\u092f\u094b\u0902 \u092e\u0947\u0902 \u0915\u093f\u092f\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0935\u0940 <strong>\u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917 \u0914\u0930 \u0909\u0926\u094d\u092f\u094b\u0917 \u0909\u092a\u092f\u094b\u0917 \u0915\u0947 \u092e\u093e\u092e\u0932\u0947<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u092a\u0948\u0915\u0947\u091c\u093f\u0902\u0917 \u0938\u093e\u092e\u0917\u094d\u0930\u0940<\/h3>\n\n\n\n<p>\u092a\u0948\u0915\u0947\u091c\u093f\u0902\u0917 \u0909\u0926\u094d\u092f\u094b\u0917 \u092e\u0947\u0902, CoF \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u092f\u0939 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0939\u0948 \u0915\u093f \u0938\u093e\u092e\u0917\u094d\u0930\u093f\u092f\u093e\u0902 \u090f\u0915-\u0926\u0942\u0938\u0930\u0947 \u0938\u0947 \u0905\u0924\u094d\u092f\u0927\u093f\u0915 \u091a\u093f\u092a\u0915 \u0928 \u091c\u093e\u090f\u0902 \u092f\u093e \u092c\u0939\u0941\u0924 \u0906\u0938\u093e\u0928\u0940 \u0938\u0947 \u0905\u0932\u0917 \u0928 \u0939\u094b \u091c\u093e\u090f\u0902, \u091c\u093f\u0938\u0938\u0947 \u092a\u0948\u0915\u0947\u091c\u093f\u0902\u0917 \u0915\u0940 \u0905\u0916\u0902\u0921\u0924\u093e \u0914\u0930 \u0909\u092a\u092f\u094b\u0917\u093f\u0924\u093e \u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924 \u0939\u094b\u0964<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u091a\u093f\u0915\u093f\u0924\u094d\u0938\u093e \u090f\u0935\u0902 \u0914\u0937\u0927\u093f<\/h3>\n\n\n\n<p>\u091a\u093f\u0915\u093f\u0924\u094d\u0938\u093e \u0909\u092a\u0915\u0930\u0923\u094b\u0902 \u0914\u0930 \u0926\u0935\u093e \u092a\u0948\u0915\u0947\u091c\u093f\u0902\u0917 \u0915\u0947 \u0932\u093f\u090f, \u0938\u0941\u0930\u0915\u094d\u0937\u093e, \u0915\u093e\u0930\u094d\u092f\u0915\u094d\u0937\u092e\u0924\u093e \u0914\u0930 \u0928\u093f\u092f\u093e\u092e\u0915 \u092e\u093e\u0928\u0915\u094b\u0902 \u0915\u0947 \u0905\u0928\u0941\u092a\u093e\u0932\u0928 \u0915\u094b \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f CoF \u0915\u094b \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u0915\u0930\u0928\u093e \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0939\u0948\u0964<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0935\u0938\u094d\u0924\u094d\u0930 \u0914\u0930 \u091a\u093f\u092a\u0915\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u0926\u093e\u0930\u094d\u0925<\/h3>\n\n\n\n<p>\u0915\u092a\u0921\u093c\u094b\u0902 \u092e\u0947\u0902, CoF \u0915\u092a\u0921\u093c\u0947 \u0915\u0947 \u0939\u093e\u0925 \u0915\u0947 \u0938\u094d\u092a\u0930\u094d\u0936 \u0914\u0930 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0915\u094b \u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u091a\u093f\u092a\u0915\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u0926\u093e\u0930\u094d\u0925\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f, \u092f\u0939 \u092c\u0902\u0927\u0928 \u0936\u0915\u094d\u0924\u093f \u0914\u0930 \u0906\u0935\u0947\u0926\u0928 \u0915\u0940 \u0906\u0938\u093e\u0928\u0940 \u0928\u093f\u0930\u094d\u0927\u093e\u0930\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">VI. \u0905\u0915\u094d\u0938\u0930 \u092a\u0942\u091b\u0947 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u094d\u0930\u0936\u094d\u0928<\/h2>\n\n\n\n<p><a tabindex=\"0\">1. \u0918\u0930\u094d\u0937\u0923 \u0917\u0941\u0923\u093e\u0902\u0915 (CoF) \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0915\u094d\u092f\u093e \u0939\u0948?<\/a><\/p>\n\n\n\n<p>CoF \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0926\u094b \u0938\u0924\u0939\u094b\u0902 \u0915\u0947 \u092c\u0940\u091a \u092b\u093f\u0938\u0932\u0928\u0947 \u0935\u093e\u0932\u0940 \u0917\u0924\u093f \u0915\u0947 \u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927 \u0915\u094b \u092e\u093e\u092a\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0915\u0947 \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0915\u094b \u0938\u092e\u091d\u0928\u0947 \u0914\u0930 \u0935\u093f\u092d\u093f\u0928\u094d\u0928 \u0909\u0926\u094d\u092f\u094b\u0917\u094b\u0902 \u092e\u0947\u0902 \u0909\u0924\u094d\u092a\u093e\u0926 \u0915\u0940 \u0917\u0941\u0923\u0935\u0924\u094d\u0924\u093e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948\u0964<\/p>\n\n\n\n<p><a tabindex=\"0\">2. \u092a\u0948\u0915\u0947\u091c\u093f\u0902\u0917 \u092e\u0947\u0902 CoF \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0915\u094d\u092f\u094b\u0902 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0939\u0948?<\/a><\/p>\n\n\n\n<p>\u0938\u0940\u0913\u090f\u092b \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u092f\u0939 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948 \u0915\u093f \u092a\u0948\u0915\u0947\u091c\u093f\u0902\u0917 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u090f\u0915 \u0926\u0942\u0938\u0930\u0947 \u0938\u0947 \u0905\u0924\u094d\u092f\u0927\u093f\u0915 \u091a\u093f\u092a\u0915 \u0928 \u091c\u093e\u090f \u092f\u093e \u0906\u0938\u093e\u0928\u0940 \u0938\u0947 \u0905\u0932\u0917 \u0928 \u0939\u094b \u091c\u093e\u090f, \u091c\u093f\u0938\u0938\u0947 \u092a\u0948\u0915\u0947\u091c\u093f\u0902\u0917 \u0915\u0940 \u0905\u0916\u0902\u0921\u0924\u093e \u0914\u0930 \u0909\u092a\u092f\u094b\u0917\u093f\u0924\u093e \u092c\u0928\u0940 \u0930\u0939\u0947\u0964<\/p>\n\n\n\n<p><a tabindex=\"0\">3. \u0938\u0947\u0932 \u0907\u0902\u0938\u094d\u091f\u094d\u0930\u0942\u092e\u0947\u0902\u091f\u094d\u0938 \u0938\u0940\u0913\u090f\u092b \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0909\u092a\u0915\u0930\u0923 \u0938\u091f\u0940\u0915\u0924\u093e \u0915\u0948\u0938\u0947 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948?<\/a><\/p>\n\n\n\n<p>\u0939\u092e\u093e\u0930\u0947 \u0909\u092a\u0915\u0930\u0923 \u0938\u091f\u0940\u0915 \u0914\u0930 \u0938\u0941\u0938\u0902\u0917\u0924 CoF \u092e\u093e\u092a \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0909\u0928\u094d\u0928\u0924 \u0938\u0947\u0902\u0938\u0930 \u0914\u0930 \u0905\u0902\u0936\u093e\u0902\u0915\u0928 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u0928\u093f\u092f\u092e\u093f\u0924 \u0930\u0916\u0930\u0916\u093e\u0935 \u0914\u0930 \u0905\u0902\u0936\u093e\u0902\u0915\u0928 \u0926\u0940\u0930\u094d\u0918\u0915\u093e\u0932\u093f\u0915 \u0938\u091f\u0940\u0915\u0924\u093e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n\n\n\n<p><a tabindex=\"0\">4. \u0915\u094d\u092f\u093e \u0906\u092a\u0915\u0947 CoF \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0909\u092a\u0915\u0930\u0923 \u0915\u094b \u0905\u0928\u0941\u0915\u0942\u0932\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948?<\/a><\/p>\n\n\n\n<p>\u0939\u093e\u0902, \u0939\u092e \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u0915\u094b \u092a\u0942\u0930\u093e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0905\u0928\u0941\u0915\u0942\u0932\u0928 \u0935\u093f\u0915\u0932\u094d\u092a \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u091c\u093f\u0938\u0938\u0947 \u092f\u0939 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0939\u094b\u0924\u093e \u0939\u0948 \u0915\u093f \u0939\u092e\u093e\u0930\u0947 \u0909\u092a\u0915\u0930\u0923 \u0906\u092a\u0915\u0947 \u0915\u093e\u0930\u094d\u092f\u092a\u094d\u0930\u0935\u093e\u0939 \u092e\u0947\u0902 \u0938\u0939\u091c\u0924\u093e \u0938\u0947 \u092b\u093f\u091f \u0939\u094b \u091c\u093e\u090f\u0902\u0964<\/p>\n\n\n\n<p><a tabindex=\"0\">5. CoF \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0938\u0947 \u0915\u093f\u0928 \u0909\u0926\u094d\u092f\u094b\u0917\u094b\u0902 \u0915\u094b \u0932\u093e\u092d \u0939\u094b\u0924\u093e \u0939\u0948?<\/a><\/p>\n\n\n\n<p>\u092a\u0948\u0915\u0947\u091c\u093f\u0902\u0917, \u091a\u093f\u0915\u093f\u0924\u094d\u0938\u093e \u0909\u092a\u0915\u0930\u0923, \u092b\u093e\u0930\u094d\u092e\u093e\u0938\u094d\u092f\u0942\u091f\u093f\u0915\u0932\u094d\u0938, \u0935\u0938\u094d\u0924\u094d\u0930, \u091a\u093f\u092a\u0915\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u0926\u093e\u0930\u094d\u0925 \u0914\u0930 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928\u093f\u0915\u094d\u0938 \u091c\u0948\u0938\u0947 \u0909\u0926\u094d\u092f\u094b\u0917\u094b\u0902 \u0915\u094b \u0909\u0924\u094d\u092a\u093e\u0926 \u0915\u0940 \u0917\u0941\u0923\u0935\u0924\u094d\u0924\u093e, \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0914\u0930 \u092e\u093e\u0928\u0915\u094b\u0902 \u0915\u0947 \u0905\u0928\u0941\u092a\u093e\u0932\u0928 \u0915\u094b \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0915\u0947 \u0938\u0940\u0913\u090f\u092b \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0938\u0947 \u0932\u093e\u092d \u092e\u093f\u0932\u0924\u093e \u0939\u0948\u0964<\/p>","protected":false},"excerpt":{"rendered":"<p>The coefficient of friction (CoF) is a fundamental parameter in material testing that quantifies the resistance encountered when two surfaces slide against each 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