{"id":665,"date":"2026-08-12T09:52:22","date_gmt":"2026-08-12T01:52:22","guid":{"rendered":"https:\/\/ovdparts.com\/?p=665"},"modified":"2026-08-12T09:52:22","modified_gmt":"2026-08-12T01:52:22","slug":"ovd-vs-vad-mcvd-%eb%b2%84%eb%84%88-%eb%85%b8%ec%a6%90-%ea%b0%80%ec%9d%b4%eb%93%9c","status":"publish","type":"post","link":"https:\/\/ovdparts.com\/ko\/ovd-vs-vad-mcvd-burner-nozzle-guide\/","title":{"rendered":"OVD vs. VAD vs. MCVD \ud1a0\uce58 \ub178\uc990: \uae30\uc220 \ube44\uad50 \ubc0f \uc18c\ubaa8\ud488 \uc870\ub2ec \uac00\uc774\ub4dc"},"content":{"rendered":"<p data-path-to-node=\"8\">\uad11\uc12c\uc720 \uc81c\uc870 \uc0b0\uc5c5\uc5d0\uc11c \uad11\uc12c\uc720 \ubaa8\uc7ac\uc758 \ud488\uc9c8\uacfc \uac10\uc1e0\ub294 \uc9c1\uc811\uc801\uc73c\ub85c \ub2e4\uc74c \uc7a5\uce58\uc758 \uc131\ub2a5\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4: <b data-path-to-node=\"8\" data-index-in-node=\"141\">\uc99d\ucc29 \ud1a0\uce58 \uc5b4\uc148\ube14\ub9ac<\/b>. \uadc0\ud558\uc758 \uacf5\uc7a5\uc774 \ub2e4\uc74c \uacf5\uc815\uc744 \uc0ac\uc6a9\ud558\ub4e0 <b data-path-to-node=\"8\" data-index-in-node=\"196\">\uc678\ubd80 \uae30\uc0c1 \uc99d\ucc29(OVD)<\/b>, <b data-path-to-node=\"8\" data-index-in-node=\"228\">\uae30\uc0c1 \ucd95\ubc29\ud5a5 \uc99d\ucc29(VAD)<\/b>, \ub610\ub294 <b data-path-to-node=\"8\" data-index-in-node=\"267\">\uac1c\uc9c8 \ud654\ud559 \uae30\uc0c1 \uc99d\ucc29(MCVD)<\/b>, \uace0\uc815\ubc00 \ud1a0\uce58 \ub178\uc990\uc758 \uc120\ud0dd\uacfc \uc720\uc9c0\ubcf4\uc218\ub294 \ud654\uc5fc \ud615\uc0c1 \ubc0f \uadf8\uc744\uc74c \uc99d\ucc29 \ud6a8\uc728\uc744 \ucd5c\uc801\ud654\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p data-path-to-node=\"9\">\uc774\ub7ec\ud55c \ud1a0\uce58 \ub178\uc990\uc740 \uc9c0\uc18d\uc801\uc778 \uc5f4 \uc751\ub825\uacfc \ubd80\uc2dd\uc131 \ud654\ud559 \ud658\uacbd\uc5d0\uc11c \uc791\ub3d9\ud558\ubbc0\ub85c <span class=\"math-inline\" data-math=\"\\text{SiCl}_4\" data-index-in-node=\"105\">GeCl\u2084<\/span>, <span class=\"math-inline\" data-math=\"\\text{GeCl}_4\" data-index-in-node=\"120\">4\uac1c\uc758 G1\/8 \ud45c\uc900 \uacf5\uae30 \uc720\uc785\uad6c<\/span>, <span class=\"math-inline\" data-math=\"\\text{O}_2\" data-index-in-node=\"135\">SiCl\u2084<\/span>, \ub97c \ud2b9\uc9d5\uc73c\ub85c \ud558\uba70, <span class=\"math-inline\" data-math=\"\\text{H}_2\" data-index-in-node=\"151\">O\u2082<\/span>, \ub9c8\ubaa8\uac00 \uc2ec\ud55c \uc18c\ubaa8\ud488\uc785\ub2c8\ub2e4.<\/p>\n<p data-path-to-node=\"10\">\uc774 \uc885\ud569\uc801\uc778 \uae30\uc220 \uac00\uc774\ub4dc\ub294 OVD, VAD \ubc0f MCVD \ubc84\ub108 \ub178\uc990\uc758 \uace0\uc720\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc694\uad6c \uc0ac\ud56d\uc744 \ube44\uad50\ud558\uace0 \ube44\uc6a9 \ud6a8\uc728\uc801\uc774\uace0 \uace0\uc815\ubc00\ud55c OEM \uad50\uccb4 \ubd80\ud488\uc744 \uc870\ub2ec\ud558\uae30 \uc704\ud55c \ubaa8\ubc94 \uc0ac\ub840\ub97c \uac15\uc870\ud569\ub2c8\ub2e4.<\/p>\n<h2 data-path-to-node=\"12\">OVD, VAD \ubc0f MCVD \ud1a0\uce58 \ub178\uc990 \uac04\uc758 \uc8fc\uc694 \ucc28\uc774\uc810<\/h2>\n<p data-path-to-node=\"13\">\uc138 \uac00\uc9c0 \uc99d\ucc29 \uacf5\uc815 \ubaa8\ub450 \uace0\uc21c\ub3c4 \uc2e4\ub9ac\uce74 <span class=\"math-inline\" data-math=\"\\text{SiO}_2\" data-index-in-node=\"68\">SiO\u2082<\/span>\u00a0\uadf8\uc744\uc74c \uc785\uc790\ub97c \ud654\ud559 \uae30\uc0c1 \uc99d\ucc29\uc744 \ud1b5\ud574 \ud569\uc131\ud558\uc9c0\ub9cc, \ud654\uc5fc \ub3d9\uc5ed\ud559 \uc694\uad6c \uc0ac\ud56d\uacfc \ud1a0\uce58 \ud5e4\ub4dc \uad6c\uc870\ub294 \ud06c\uac8c \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<table data-path-to-node=\"14\">\n<thead>\n<tr>\n<td><strong>\uacf5\uc815 \uc720\ud615<\/strong><\/td>\n<td><strong>\uc99d\ucc29 \ubc29\ud5a5<\/strong><\/td>\n<td><strong>\ud575\uc2ec \ub178\uc990 \uc7ac\uc9c8<\/strong><\/td>\n<td><strong>\uc8fc\uc694 \uae30\uc220\uc801 \uacfc\uc81c<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"14,1,0,0\"><b data-path-to-node=\"14,1,0,0\" data-index-in-node=\"0\">OVD \ubc84\ub108<\/b><\/span><\/td>\n<td><span data-path-to-node=\"14,1,1,0\">\ubc18\uacbd \ubc29\ud5a5(\uc678\ubd80 \ud0c0\uae43 \ub85c\ub4dc)<\/span><\/td>\n<td><span data-path-to-node=\"14,1,2,0\">OFHC \uad6c\ub9ac \/ 316L \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/span><\/td>\n<td><span data-path-to-node=\"14,1,3,0\">\ub300\uad6c\uacbd \ubaa8\uc7ac \uc804\uccb4\uc5d0 \uac78\uccd0 \ub300\uce6d\uc801\uc778 \ud654\uc5fc \ud615\uc0c1 \uc720\uc9c0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"14,2,0,0\"><b data-path-to-node=\"14,2,0,0\" data-index-in-node=\"0\">VAD \ubc84\ub108<\/b><\/span><\/td>\n<td><span data-path-to-node=\"14,2,1,0\">\ucd95 \ubc29\ud5a5(\ub2e8\uba74 \uc131\uc7a5)<\/span><\/td>\n<td><span data-path-to-node=\"14,2,2,0\">\uc6a9\uc735 \uc11d\uc601 \/ OFHC \uad6c\ub9ac<\/span><\/td>\n<td><span data-path-to-node=\"14,2,3,0\">\uad74\uc808\ub960 \ud504\ub85c\ud30c\uc77c \ud615\uc131\uc744 \uc704\ud55c \uc815\ubc00 \uc628\ub3c4 \uad6c\ubc30 \uc81c\uc5b4<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"14,3,0,0\"><b data-path-to-node=\"14,3,0,0\" data-index-in-node=\"0\">MCVD \ud1a0\uce58<\/b><\/span><\/td>\n<td><span data-path-to-node=\"14,3,1,0\">\ub0b4\ubd80(\uc11d\uc601\uad00 \ub0b4\ubd80)<\/span><\/td>\n<td><span data-path-to-node=\"14,3,2,0\">\uace0\uc21c\ub3c4 \uc6a9\uc735 \uc11d\uc601 \/ \ud569\uae08<\/span><\/td>\n<td><span data-path-to-node=\"14,3,3,0\">\ub0b4\ubd80 \uc5f4\uc601\ub3d9 \uadf8\uc744\uc74c \uc99d\ucc29\uc744 \uc720\ub3c4\ud558\uae30 \uc704\ud55c \uade0\uc77c\ud55c \uc678\ubd80 \uac00\uc5f4<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-path-to-node=\"16\">OVD \ubc84\ub108 \ub178\uc990(\uc678\ubd80 \uae30\uc0c1 \uc99d\ucc29)<\/h3>\n<p data-path-to-node=\"17\">OVD \uacf5\uc815\uc5d0\uc11c \ud654\ud559 \uc99d\uae30\ub294 \ud68c\uc804\ud558\ub294 \ud0c0\uae43 \ub85c\ub4dc\uc5d0 \ubc18\uacbd \ubc29\ud5a5\uc73c\ub85c \ubd84\uc0ac\ub429\ub2c8\ub2e4. \ud574\ub2f9 \uc7a5\uce58\ub294 <a href=\"https:\/\/ovdparts.com\/ko\/product-category\/ovd-%eb%b6%80%ed%92%88\/\">OVD \ubc84\ub108 \ub178\uc990<\/a> \ub2e4\uc911 \ub3d9\uc2ec \ubbf8\uc138 \uc624\ub9ac\ud53c\uc2a4 \uc124\uacc4\ub97c <b data-path-to-node=\"17\" data-index-in-node=\"118\">\ud2b9\uc9d5\uc73c\ub85c \ud558\uba70, \uc774\ub294 \uc5f0\ub8cc \uac00\uc2a4<\/b> , \uc6b4\ubc18 \uac00\uc2a4 \ubc0f \uc804\uad6c\uccb4 \uc99d\uae30\ub97c \uc81c\uc5b4\ud569\ub2c8\ub2e4. <span class=\"math-inline\" data-math=\"\\text{H}_2\/\\text{O}_2\" data-index-in-node=\"180\">H\u2082\/O\u2082<\/span>, \uac00\uc2a4 \uc18d\ub3c4 \uade0\ud615: <span class=\"math-inline\" data-math=\"\\text{SiCl}_4\" data-index-in-node=\"239\">GeCl\u2084<\/span>.<\/p>\n<ul data-path-to-node=\"18\">\n<li>\n<p data-path-to-node=\"18,0,0\"><b data-path-to-node=\"18,0,0\" data-index-in-node=\"0\">\ub178\uc990 \ud301\uc5d0\uc11c\uc758 \uc870\uae30 \ud654\ud559 \uc5f0\uc18c\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc815\ubc00\ud55c \ubbf8\uc138 \ucc44\ub110 \uc815\ub82c\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/b> \uc5f4 \uad00\ub9ac:.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"18,1,0\"><b data-path-to-node=\"18,1,0\" data-index-in-node=\"0\">\ubb34\uc0b0\uc18c \uace0\uc804\ub3c4\uc131(OFHC) \uad6c\ub9ac<\/b> \uc77c\ubc18\uc801\uc73c\ub85c <b data-path-to-node=\"18,1,0\" data-index-in-node=\"44\">\ub610\ub294 \ud1b5\ud569 \ub0c9\uac01 \ucc44\ub110\uc774 \uc788\ub294 316L \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc7a5\uc2dc\uac04 \uc99d\ucc29 \uacf5\uc815 \uc911 \uc5f4 \ubcc0\ud615\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/b> VAD \ubc84\ub108 \ub178\uc990(\uae30\uc0c1 \ucd95\ubc29\ud5a5 \uc99d\ucc29).<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"19\">VAD \uae30\uc220\uc740 \uc131\uc7a5\ud558\ub294 \uc218\uc9c1 \ub85c\ub4dc\uc758 \ub05d\uba74\uc5d0 \uadf8\uc744\uc74c\uc744 \uc99d\ucc29\ud569\ub2c8\ub2e4. OVD\uc640 \ub2ec\ub9ac VAD \ubc84\ub108\ub294 \ucf54\uc5b4\uc640 \ud074\ub798\ub529\uc744 \ub3d9\uc2dc\uc5d0 \ud569\uc131\ud558\uae30 \uc704\ud574 \ud2b9\uc218\ud55c \ub2e4\uc911 \uc2a4\ud2b8\ub9bc \uc11d\uc601 \ub610\ub294 \uae08\uc18d \ud1a0\uce58 \ud5e4\ub4dc\ub97c \uc790\uc8fc \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/h3>\n<p data-path-to-node=\"20\">\uad74\uc808\ub960 \uc81c\uc5b4:.<\/p>\n<ul data-path-to-node=\"21\">\n<li>\n<p data-path-to-node=\"21,0,0\"><b data-path-to-node=\"21,0,0\" data-index-in-node=\"0\">\ub2e4\uc911 \ub9c1 \ub178\uc990 \ud615\uc0c1\uc740 \uac8c\ub974\ub9c8\ub284<\/b> GeO\u2082 <span class=\"math-inline\" data-math=\"\\text{GeO}_2\" data-index-in-node=\"120\">\ub3c4\ud380\ud2b8 \ubd84\ud3ec\ub97c \uc81c\uc5b4\ud558\uae30 \uc704\ud574 \uc5c4\uaca9\ud55c \uac00\uc2a4 \uc18d\ub3c4 \ube44\uc728\uc744 \uc720\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/span>\u00a0\uc7ac\uc9c8 \uc21c\ub3c4:.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,1,0\"><b data-path-to-node=\"21,1,0\" data-index-in-node=\"0\">\uc6a9\uc735 \uc11d\uc601 \ubc0f \ud074\ub9b0\ub8f8 \ub4f1\uae09 \uad6c\ub9ac \ubc84\ub108 \ud301\uc740 \ucf54\uc5b4 \ub85c\ub4dc\uc758 \uae08\uc18d \uc785\uc790 \uc624\uc5fc\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud55c \ud45c\uc900\uc785\ub2c8\ub2e4.<\/b> MCVD \uac00\uc5f4 \ud1a0\uce58(\uac1c\uc9c8 \ud654\ud559 \uae30\uc0c1 \uc99d\ucc29).<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"22\">MCVD \uac00\uc5f4 \ud1a0\uce58 (\ubcc0\ud615 \ud654\ud559 \uae30\uc0c1 \uc99d\ucc29)<\/h3>\n<p data-path-to-node=\"23\">In MCVD, reactions occur inside a rotating quartz tube. The external gas burner or plasma torch moves axially along the tube, heating the glass to induce internal deposition and vitrification.<\/p>\n<ul data-path-to-node=\"24\">\n<li>\n<p data-path-to-node=\"24,0,0\"><b data-path-to-node=\"24,0,0\" data-index-in-node=\"0\">High Heat Resistance:<\/b> MCVD torches must endure intense external heating <span class=\"math-inline\" data-math=\"1600^\\circ\\text{C}\" data-index-in-node=\"73\">1600\u2103<\/span> \uc5d0\uc11c <span class=\"math-inline\" data-math=\"2000^\\circ\\text{C}\" data-index-in-node=\"95\">2000\u2103<\/span>\u00a0to achieve consistent glass collapse and consolidation.<\/p>\n<\/li>\n<\/ul>\n<h2 data-path-to-node=\"26\">Causes of Torch Nozzle Degradation and Wear<\/h2>\n<p data-path-to-node=\"27\">Deposition nozzles are high-wear consumable components subject to continuous physical and chemical degradation, including:<\/p>\n<ol start=\"1\" data-path-to-node=\"28\">\n<li>\n<p data-path-to-node=\"28,0,0\"><b data-path-to-node=\"28,0,0\" data-index-in-node=\"0\">Micro-Orifice Chemical Erosion:<\/b> Corrosive chloride gases gradually etch gas channels, altering gas velocity and causing flame tilting.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"28,1,0\"><b data-path-to-node=\"28,1,0\" data-index-in-node=\"0\">Thermal Stress and Distortion:<\/b> Repeated heating cycles cause subtle micro-expansions, compromising single-digit micron tolerances.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"28,2,0\"><b data-path-to-node=\"28,2,0\" data-index-in-node=\"0\">Soot and Chemical Buildup:<\/b> Micro-particles accumulating on the nozzle face distort the flame pattern, leading to uneven preform density and higher fiber attenuation.<\/p>\n<\/li>\n<\/ol>\n<h2 data-path-to-node=\"30\">Why Precision Micro-Machining Matters for Replacement Parts<\/h2>\n<p data-path-to-node=\"31\">Replacing worn torch nozzles with direct-fit OEM replacement parts restores optimal flame characteristics without requiring complete torch assembly overhauls. However, replacement parts must meet strict manufacturing standards:<\/p>\n<ul data-path-to-node=\"32\">\n<li>\n<p data-path-to-node=\"32,0,0\"><b data-path-to-node=\"32,0,0\" data-index-in-node=\"0\">Single-Digit Micron Tolerances \u00b1<span class=\"math-inline\" data-math=\"\\pm 0.002\\text{ mm}\" data-index-in-node=\"32\">.002mm<\/span>:<\/b> Ensures exact orifice concentricity and stable flame geometry.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"32,1,0\"><b data-path-to-node=\"32,1,0\" data-index-in-node=\"0\">Mirror Surface Polishing Ra &lt; 0.2 \u03bcm:<\/b> Eliminates internal channel roughness to prevent turbulence and particle clogging.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"32,2,0\"><b data-path-to-node=\"32,2,0\" data-index-in-node=\"0\">100% Direct OEM Compatibility:<\/b> Guarantees seamless drop-in installation without cleanroom recalibration.<\/p>\n<\/li>\n<\/ul>\n<h2 data-path-to-node=\"34\">Direct OEM Replacement Parts: Balancing Quality and Cost<\/h2>\n<p data-path-to-node=\"35\">Sourcing original equipment manufacturer (OEM) replacement nozzles often incurs excessive costs and extended lead times. Sourcing <b data-path-to-node=\"35\" data-index-in-node=\"130\">field-tested, <a href=\"https:\/\/ovdparts.com\/ko\/oemodm\/\">direct OEM replacement burner parts<\/a><\/b> from specialized precision machining manufacturers allows plant operators to slash consumable expenses while maintaining strict optical fiber attenuation standards.<\/p>\n<p data-path-to-node=\"36\">Whether you need standard <a href=\"https:\/\/ovdparts.com\/ko\/product\/ovd-%eb%b2%84%eb%84%88-%eb%b6%80%ed%92%88\/\">OVD burner heads<\/a>, custom VAD quartz nozzles, or OEM modification based on CAD drawings, working with a precision-focused supplier ensures reliable production uptime.<\/p>\n<p data-path-to-node=\"37\"><b data-path-to-node=\"37\" data-index-in-node=\"0\">Need direct OEM replacement burner parts or custom CAD machining?<\/b> <a href=\"https:\/\/ovdparts.com\/ko\/%ec%86%8c%ea%b0%9c%eb%ac%b8%ec%9d%98%ed%95%98%ea%b8%b0\/\"><b data-path-to-node=\"37\" data-index-in-node=\"66\">Contact Our Technical Sourcing Team<\/b><\/a> today to request technical spec sheets and custom factory quotes.<\/p>","protected":false},"excerpt":{"rendered":"<p>In the optical fiber manufacturing industry, the quality and attenuation of optical fiber preforms depend directly on the performance of the deposition torch assembly. Whether your plant utilizes Outside Vapor Deposition (OVD), Vapor Phase Axial Deposition (VAD), or Modified Chemical Vapor Deposition (MCVD), selecting and maintaining high-precision torch nozzles is critical to optimizing flame geometry [&#8230;]\n","protected":false},"author":1,"featured_media":666,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-665","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"_links":{"self":[{"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/posts\/665","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/comments?post=665"}],"version-history":[{"count":1,"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/posts\/665\/revisions"}],"predecessor-version":[{"id":667,"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/posts\/665\/revisions\/667"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/media\/666"}],"wp:attachment":[{"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/media?parent=665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/categories?post=665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/tags?post=665"}],"curies":[{"name":"\uc8c4\uc1a1\ud569\ub2c8\ub2e4. \"wp\"\ub294 \ubc88\uc5ed\ud560 \ub0b4\uc6a9\uc774 \uc5c6\uc2b5\ub2c8\ub2e4.","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}