{"id":1,"date":"2026-06-22T16:28:49","date_gmt":"2026-06-22T08:28:49","guid":{"rendered":"http:\/\/ovdparts.com\/?p=1"},"modified":"2026-07-15T14:27:21","modified_gmt":"2026-07-15T06:27:21","slug":"%eb%b2%84%eb%84%88-%eb%85%b8%ec%a6%90-%ec%a0%95%eb%b0%80%eb%8f%84%ea%b0%80-%ea%b4%91%ec%84%ac%ec%9c%a0-%eb%aa%a8%ec%9e%ac-%ec%88%98%ec%9c%a8%ec%97%90-%eb%af%b8%ec%b9%98%eb%8a%94-%ec%98%81%ed%96%a5","status":"publish","type":"post","link":"https:\/\/ovdparts.com\/ko\/how-burner-nozzle-precision-impacts-optical-fiber-preform-yield\/","title":{"rendered":"\uadf8\uc744\uc74c \uc99d\ucc29 \ucd5c\uc801\ud654: \ubc84\ub108 \ub178\uc990 \uc815\ubc00\ub3c4\uac00 \uad11\uc12c\uc720 \ubaa8\uc7ac \uc218\uc728\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5"},"content":{"rendered":"\r\n<p class=\"wp-block-paragraph\"><span class=\"\">In the production of optical fiber preforms via Outside Vapor Deposition (OVD) or Vapor Axial Deposition (VAD),<\/span><span class=\"\"> the deposition room is where the economic viability of your entire run is decided.<\/span><span class=\"\"> When a deposition cycle takes dozens of hours,<\/span><span class=\"\"> any slight drift in flame geometry doesn&#8217;t just lower your soot collection efficiency<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-329\" src=\"http:\/\/ovdparts.com\/wp-content\/uploads\/2026\/06\/How-Burner-Nozzle-Precision-Impacts-Optical-Fiber-Preform-Yield-630x400.png\" alt=\"\" width=\"630\" height=\"400\" srcset=\"https:\/\/ovdparts.com\/wp-content\/uploads\/2026\/06\/How-Burner-Nozzle-Precision-Impacts-Optical-Fiber-Preform-Yield-630x400.png 630w, https:\/\/ovdparts.com\/wp-content\/uploads\/2026\/06\/How-Burner-Nozzle-Precision-Impacts-Optical-Fiber-Preform-Yield-510x324.png 510w, https:\/\/ovdparts.com\/wp-content\/uploads\/2026\/06\/How-Burner-Nozzle-Precision-Impacts-Optical-Fiber-Preform-Yield-768x487.png 768w, https:\/\/ovdparts.com\/wp-content\/uploads\/2026\/06\/How-Burner-Nozzle-Precision-Impacts-Optical-Fiber-Preform-Yield.png 900w\" sizes=\"auto, (max-width: 630px) 100vw, 630px\" \/><\/p>\r\n<p data-path-to-node=\"6\"><span class=\"\">At the heart of this volatile process is a highly stressed consumable:<\/span> <a href=\"https:\/\/ovdparts.com\/\"><b class=\"\" data-path-to-node=\"6\" data-index-in-node=\"71\">the multi-channel chemical deposition burner<\/b><\/a><span class=\"\">.<\/span><\/p>\r\n<p data-path-to-node=\"7\"><span class=\"\">While many procurement teams view these torches as simple machined metal assemblies,<\/span><span class=\"\"> process engineers know better.<\/span><span class=\"\"> Let\u2019s look at the underlying mechanical factors within burner heads that directly dictate your deposition yield,<\/span><span class=\"\"> maintenance intervals,<\/span><span class=\"\"> and cost per kilogram of preform.<\/span><\/p>\r\n<h2 class=\"\" data-path-to-node=\"9\">1. The Physics of the Flame: Why Concentricity Rules Soot Collection<\/h2>\r\n<p data-path-to-node=\"10\"><span class=\"\">The OVD and VAD processes rely on the precise high-temperature hydrolysis of silicon tetrachloride (<\/span><span class=\"math-inline\" data-math=\"SiCl_4\" data-index-in-node=\"100\">SiCl\u2084<\/span><span class=\"\">) and germanium tetrachloride (<\/span><span class=\"math-inline\" data-math=\"GeCl_4\" data-index-in-node=\"137\">G\u2091Cl\u2084<\/span><span class=\"\">) within a hydrogen-oxygen (<\/span><span class=\"math-inline\" data-math=\"H_2\/O_2\" data-index-in-node=\"171\">H\u2082\/O\u2082<\/span><span class=\"\">) flame.<\/span><span class=\"\"> For the generated silica (<\/span><span class=\"math-inline\" data-math=\"SiO_2\" data-index-in-node=\"213\">SiO\u2082<\/span><span class=\"\">) soot particles to deposit uniformly onto a rotating mandrel or target rod,<\/span><span class=\"\"> the flame must maintain an absolutely symmetrical,<\/span><span class=\"\"> laminar velocity vector.<\/span><\/p>\r\n<p data-path-to-node=\"10\">[SiCl4 \/ GeCl4 Core Gas] \u2500\u2500&gt; | Perfectly concentric circular airways | \u2500\u2500&gt; Axisymmetric laminar flame \u2500\u2500&gt; Uniform deposition[H2 \/ O2 Shield Gases] \u2500\u2500&gt; |(Coaxiality error &lt;0.01 mm)|<\/p>\r\n<p data-path-to-node=\"12\"><span class=\"\">If the internal gas distribution channels or the shifting <a href=\"https:\/\/ovdparts.com\/product\/ovd-burner-parts\/\">burner nozzle assemblies<\/a> deviate by even <\/span><span class=\"math-inline\" data-math=\"0.01\\text{ mm}\" data-index-in-node=\"82\">0.01mm <\/span><span class=\"\">\u00a0from the central axis,<\/span><span class=\"\"> the consequences are immediate:<\/span><\/p>\r\n<ul data-path-to-node=\"13\">\r\n<li>\r\n<p data-path-to-node=\"13,0,0\"><b class=\"\" data-path-to-node=\"13,0,0\" data-index-in-node=\"0\">Flame Distortion:<\/b><span class=\"\"> The flame tilts or warps,<\/span><span class=\"\"> shifting the optimal thermal zone away from the deposition target.<\/span><\/p>\r\n<\/li>\r\n<li>\r\n<p data-path-to-node=\"13,1,0\"><b class=\"\" data-path-to-node=\"13,1,0\" data-index-in-node=\"0\">Density Volatility:<\/b><span class=\"\"> Localized &#8220;cold spots&#8221; form on the soot boule,<\/span><span class=\"\"> creating micro-voids or cracking due to thermal stress during the subsequent sintering phase.<\/span><\/p>\r\n<\/li>\r\n<li>\r\n<p data-path-to-node=\"13,2,0\"><b class=\"\" data-path-to-node=\"13,2,0\" data-index-in-node=\"0\">Soot Wastage:<\/b><span class=\"\"> Instead of depositing,<\/span><span class=\"\"> a significant percentage of the vaporized silica escapes into the exhaust system,<\/span><span class=\"\"> driving up your raw chemical costs.<\/span><\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-path-to-node=\"14\"><span class=\"\">Achieving this level of geometric perfection requires machining the multi-layer burner components\u2014from the gas inlet body to the outermost nozzle cone\u2014in a single CNC turn-mill setup to eliminate clamping stack-up errors.<\/span><\/p>\r\n<h2 class=\"\" data-path-to-node=\"16\">2. Micro-Hole Integrity: The Battle Against Internal Burrs and Clogging<\/h2>\r\n<p data-path-to-node=\"17\"><span class=\"\">Look closely at the face of a <a href=\"https:\/\/ovdparts.com\/product\/ovd-torch-parts\/\">high-yield VAD or OVD burner<\/a>.<\/span><span class=\"\"> It is typically populated by concentric rings of dozens of micro-holes designed to introduce shielding and reacting gases at variable pressures.<\/span><\/p>\r\n<p data-path-to-node=\"18\"><span class=\"\">A common frustration for maintenance teams using sub-par replacement burners is rapid <\/span><b class=\"\" data-path-to-node=\"18\" data-index-in-node=\"86\">nozzle clogging and premature soot buildup (crusting)<\/b><span class=\"\">.<\/span><span class=\"\"> The root cause is almost always microscopic internal burrs left behind during the drilling process.<\/span><\/p>\r\n<p data-path-to-node=\"19\"><span class=\"\">When a gas stream hits a microscopic burr inside a <\/span><span class=\"math-inline\" data-math=\"0.5\\text{ mm}\" data-index-in-node=\"51\">$0.5\\text{ mm}$<\/span><span class=\"\"> port:<\/span><\/p>\r\n<ol start=\"1\" data-path-to-node=\"20\">\r\n<li>\r\n<p data-path-to-node=\"20,0,0\"><span class=\"\">It creates localized turbulence,<\/span><span class=\"\"> disrupting the laminar shield gas layer.<\/span><\/p>\r\n<\/li>\r\n<li>\r\n<p data-path-to-node=\"20,1,0\"><span class=\"\">The chemical vapors (<\/span><span class=\"math-inline\" data-math=\"SiCl_4\" data-index-in-node=\"21\">SiCl\u2084<\/span><span class=\"\">) prematurely mix and react <\/span><i class=\"\" data-path-to-node=\"20,1,0\" data-index-in-node=\"55\">on the face of the burner<\/i><span class=\"\"> rather than in the open reaction zone.<\/span><\/p>\r\n<\/li>\r\n<li>\r\n<p data-path-to-node=\"20,2,0\"><span class=\"\">This creates a hard silica crust over the ports,<\/span><span class=\"\"> forcing you to abort the run mid-cycle or increase maintenance downtime.<\/span><\/p>\r\n<\/li>\r\n<\/ol>\r\n<p data-path-to-node=\"21\"><span class=\"\">To avoid this,<\/span><span class=\"\"> standard industrial drilling isn&#8217;t enough.<\/span><span class=\"\"> Burners must undergo specialized mechanical deburring followed by proprietary chemical polishing to guarantee that the interior walls of every single gas port are as smooth as glass.<\/span><\/p>\r\n<h2 class=\"\" data-path-to-node=\"23\">3. Material Endurance in a Corrosive Cleanroom Environment<\/h2>\r\n<p data-path-to-node=\"24\"><span class=\"\">OVD burners don\u2019t just fight extreme heat; they operate in a highly corrosive chemical soup.<\/span><span class=\"\"> The byproduct of hydrogen-oxygen hydrolysis is hydrochloric acid (<\/span><span class=\"math-inline\" data-math=\"HCl\" data-index-in-node=\"159\">HCl<\/span><span class=\"\">) gas,<\/span><span class=\"\"> which eagerly attacks hot metal surfaces.<\/span><\/p>\r\n<p data-path-to-node=\"25\"><span class=\"\">Choosing the wrong grade of material or incorrect surface sealing leads to rapid chemical pitting inside the internal multi-channel gas pathways.<\/span><span class=\"\"> Once pitting occurs,<\/span><span class=\"\"> the calibrated gas flow rates managed by your Mass Flow Controllers (MFC) become meaningless because the internal aerodynamics of the torch have fundamentally changed.<\/span><\/p>\r\n<p data-path-to-node=\"26\"><span class=\"\">For long-term reliability,<\/span><span class=\"\"><a href=\"https:\/\/ovdparts.com\/product\/ovd-torch-parts\/\"> premium burners<\/a> rely on high-purity <\/span><b class=\"\" data-path-to-node=\"26\" data-index-in-node=\"63\">316L Stainless Steel or specialized Copper\/Brass alloys<\/b><span class=\"\"> paired with advanced surface treatments like hard anodization or anti-corrosion coatings.<\/span><span class=\"\"> This ensures the gas channels remain perfectly true to their original CAD specifications across hundreds of heating cycles.<\/span><\/p>\r\n<h2 class=\"\" data-path-to-node=\"28\">4. Rethinking the Supply Chain: OEM vs. Field-Validated Alternates<\/h2>\r\n<p data-path-to-node=\"29\"><span class=\"\">For years,<\/span><span class=\"\"> optical fiber manufacturers felt locked into original equipment manufacturers (OEMs) for replacement torches,<\/span><span class=\"\"> absorbing massive brand markups and coping with unpredictable lead times that risked cleanroom downtime.<\/span><\/p>\r\n<p data-path-to-node=\"30\"><span class=\"\">However,<\/span><span class=\"\"> the global landscape for precision components has matured.<\/span><span class=\"\"> Sourcing direct from advanced machining facilities that specialize exclusively in high-tolerance turn-mill components allows fiber manufacturers to decouple from OEM monopolies without sacrificing cleanroom performance.<\/span><\/p>\r\n<h3 class=\"\" data-path-to-node=\"31\">A Proven Alternative Born from Decades of PrecisionW<\/h3>\r\n<p data-path-to-node=\"32\"><span class=\"\">At <\/span><b class=\"\" data-path-to-node=\"32\" data-index-in-node=\"3\">SKY CNC<\/b><span class=\"\">,<\/span><span class=\"\"> we have spent over 22 years mastering the exact mechanical tolerances required by the world\u2019s most demanding industrial sectors.<\/span><span class=\"\">\u00a0W<\/span><span class=\"\">e launched our dedicated platform at <\/span><code class=\"\" data-path-to-node=\"32\" data-index-in-node=\"319\">ovdparts.com<\/code><span class=\"\"> to deliver a zero-compromise supply line specifically for optical fiber consumables.<\/span><\/p>\r\n<p data-path-to-node=\"33\"><span class=\"\">Our precision-engineered OVD and VAD burner components are not untested prototypes.<\/span><span class=\"\"> They are field-validated,<\/span><span class=\"\"><a href=\"https:\/\/ovdparts.com\/shop\/\"> direct drop-in replacements<\/a> currently running on the high-intensity production lines of global optical fiber giants,<\/span><span class=\"\"> including <\/span><b class=\"\" data-path-to-node=\"33\" data-index-in-node=\"237\">YOFC, Hengtong Optic-Electric, ZTT, Futong Group, Yongding Stock, Tongding Interconnection, and SDG Information<\/b><span class=\"\">.<\/span><\/p>\r\n<p data-path-to-node=\"34\"><span class=\"\">By eliminating OEM brand premiums and shipping factory-direct,<\/span><span class=\"\"> we help global cleanrooms reduce their annual consumable budgets by up to 40% while maintaining the exact flame stability,<\/span><span class=\"\"> micro-hole accuracy,<\/span><span class=\"\"> and long-term erosion resistance required to protect your preform yield.<\/span><\/p>\r\n<h2 class=\"\" data-path-to-node=\"36\">Technical Support &amp; Custom Fabrication<\/h2>\r\n<p data-path-to-node=\"37\"><span class=\"\">Whether you run standard OVD deposition lines or require customized multi-channel burner configurations for proprietary VAD\/MCVD setups,<\/span><span class=\"\"> our engineering team can manufacture components exactly to your technical drawings under strict NDA protection.<\/span><\/p>\r\n<p data-path-to-node=\"38\"><b class=\"\" data-path-to-node=\"38\" data-index-in-node=\"0\">Need a drop-in replacement or a custom quote?<\/b><span class=\"\"> Explore our <a href=\"https:\/\/ovdparts.com\/shop\/\">standard stock models<\/a> or upload your STEP\/CAD drawings today at <\/span><code class=\"\" data-path-to-node=\"38\" data-index-in-node=\"122\">ovdparts.com<\/code><span class=\"\">.<\/span><\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>In the production of optical fiber preforms via Outside Vapor Deposition (OVD) or Vapor Axial Deposition (VAD), the deposition room is where the economic viability of your entire run is decided. When a deposition cycle takes dozens of hours, any slight drift in flame geometry doesn&#8217;t just lower your soot collection efficiency At the heart [&#8230;]\n","protected":false},"author":1,"featured_media":329,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-1","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\/1","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=1"}],"version-history":[{"count":7,"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/posts\/1\/revisions"}],"predecessor-version":[{"id":491,"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/posts\/1\/revisions\/491"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/media\/329"}],"wp:attachment":[{"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/media?parent=1"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/categories?post=1"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ovdparts.com\/ko\/wp-json\/wp\/v2\/tags?post=1"}],"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}]}}