{"id":9774,"date":"2024-01-04T11:31:04","date_gmt":"2024-01-04T03:31:04","guid":{"rendered":"https:\/\/believeindustry.company\/?page_id=9774"},"modified":"2026-11-10T10:33:10","modified_gmt":"2026-11-10T02:33:10","slug":"maquina-formadora-de-postes-de-barandilla","status":"publish","type":"page","link":"https:\/\/believeindustry.company\/es\/roll-forming-machine\/customized-profile-roll-forming-machine\/guardrail-post-roll-forming-machine\/","title":{"rendered":"M\u00e1quina perfiladora de poste de guardarra\u00edl"},"content":{"rendered":"<p><strong>Short answer:<\/strong> A guardrail post roll forming machine turns flat galvanized coil into the posts that carry a W-beam, Thrie-beam or wire rope barrier. It punches the bolt holes, forms the sigma, U or C section, straightens the post and cuts it to length in one pass. Lines for this work carry 12 to 18 forming stations, run 3.0 to 5.0 mm coil and hold 8 to 12 m\/min, with hydraulic punching ahead of the mill.<\/p>\n<nav class=\"wp-block-table-of-contents\">\n<ol>\n<li><a class=\"wp-block-table-of-contents__entry\" href=\"#what-it-makes\">What a guardrail post roll forming machine makes<\/a><\/li>\n<li><a class=\"wp-block-table-of-contents__entry\" href=\"#guardrail-system\">Where the post sits in a guardrail system<\/a><\/li>\n<li><a class=\"wp-block-table-of-contents__entry\" href=\"#what-runs-on-the-line\">What runs on the guardrail post line<\/a><\/li>\n<li><a class=\"wp-block-table-of-contents__entry\" href=\"#technical-parameters\">Main technical parameters<\/a><\/li>\n<li><a class=\"wp-block-table-of-contents__entry\" href=\"#coil-and-coating\">Coil, coating and the standards behind the post<\/a><\/li>\n<li><a class=\"wp-block-table-of-contents__entry\" href=\"#matching-lines\">Matching the post line to the beam line<\/a><\/li>\n<li><a class=\"wp-block-table-of-contents__entry\" href=\"#how-to-specify\">How to specify your guardrail post machine<\/a><\/li>\n<li><a class=\"wp-block-table-of-contents__entry\" href=\"#faq\">Frequently asked questions<\/a><\/li>\n<\/ol>\n<\/nav>\n<h2 id=\"what-it-makes\">What a guardrail post roll forming machine makes<\/h2>\n<p>A guardrail is a system, not a panel. The beam takes the hit and spreads the load. The post takes that load into the ground. Without the post, the beam is a long piece of shaped steel lying on the shoulder.<\/p>\n<p>That is why the post section matters as much as the beam section, and why a guardrail post roll forming machine is specified around four numbers: section shape, steel thickness, hole pattern and cut length. Get the hole pattern wrong and the bolts will not pass at the joint. Get the section tolerances wrong and the blockout will not seat.<\/p>\n<p>Four post families cover most tenders. One line can usually run all four with a roll change, which is why buyers ask for cassettes rather than a dedicated mill.<\/p>\n<table>\n<thead>\n<tr>\n<th>Post type<\/th>\n<th>Section<\/th>\n<th>Coil width<\/th>\n<th>Steel thickness<\/th>\n<th>Main markets<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sigma post<\/td>\n<td>100 x 80 mm with folded lips<\/td>\n<td>300 to 420 mm<\/td>\n<td>3.0 to 4.0 mm<\/td>\n<td>Europe, Australia, Middle East<\/td>\n<\/tr>\n<tr>\n<td>U post<\/td>\n<td>150 x 75 mm<\/td>\n<td>340 to 400 mm<\/td>\n<td>3.0 to 4.5 mm<\/td>\n<td>United States, Latin America<\/td>\n<\/tr>\n<tr>\n<td>C post<\/td>\n<td>150 x 75 mm, 50 mm returns<\/td>\n<td>330 to 400 mm<\/td>\n<td>3.0 to 5.0 mm<\/td>\n<td>Blockout and spacer systems<\/td>\n<\/tr>\n<tr>\n<td>Heavy U post<\/td>\n<td>180 x 90 mm<\/td>\n<td>420 to 480 mm<\/td>\n<td>4.0 to 5.0 mm<\/td>\n<td>Bridges, approaches, high speed roads<\/td>\n<\/tr>\n<tr>\n<td>W6 x 8.5 post<\/td>\n<td>Hot rolled I section<\/td>\n<td>Not roll formed<\/td>\n<td>6.8 mm flange, 4.3 mm web<\/td>\n<td>United States, cut and punched on a separate line<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The last row saves arguments. A hot rolled W section is bought from a mill and only needs cutting, punching and sometimes a domed end. A roll forming line does not make it. Anyone who promises a formed W post is offering a different, lighter solution.<\/p>\n<p>On a <a href=\"https:\/\/believeindustry.company\/roll-forming-machine\/customized-profile-roll-forming-machine\/\">customized profile roll forming machine<\/a> the section drawing decides everything else: the coil width with edge trim, the number of passes, the roll diameter and the cut-off blade shape.<\/p>\n<h2 id=\"guardrail-system\">Where the post sits in a guardrail system<\/h2>\n<p>A highway guardrail is a passive barrier. It keeps errant vehicles inside the roadway. On impact it decelerates the vehicle, redirects it at a controlled exit angle and keeps the car away from trees, embankments and oncoming traffic. The same line of steel also makes the road edge visible at night, which matters on unlit rural roads.<\/p>\n<p>Every part of that system has a job. The beam absorbs and spreads the impact. The blockout holds the beam away from the post so the post does not tear the beam. The post transfers the load to the soil. The fishtail terminal at each end turns the beam down so a vehicle cannot spear it.<\/p>\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" data-attachment-id=\"9814\" data-permalink=\"https:\/\/believeindustry.company\/es\/roll-forming-machine\/customized-profile-roll-forming-machine\/guardrail-post-roll-forming-machine\/guardrail-system-with-fishtail-end-2\/\" data-orig-file=\"https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/guardrail-system-with-fishtail-end-2.jpg\" data-orig-size=\"1920,1080\" data-comments-opened=\"1\" data-image-title=\"guardrail-system-with-fishtail-end-2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/guardrail-system-with-fishtail-end-2-1024x576.jpg\" src=\"https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/guardrail-system-with-fishtail-end-2.jpg\" alt=\"Double rail guardrail barrier on steel posts\" class=\"wp-image-9814\" width=\"1920\" height=\"1080\" title=\"\" srcset=\"https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/guardrail-system-with-fishtail-end-2.jpg 1920w, https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/guardrail-system-with-fishtail-end-2-600x338.jpg 600w, https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/guardrail-system-with-fishtail-end-2-300x169.jpg 300w, https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/guardrail-system-with-fishtail-end-2-1024x576.jpg 1024w, https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/guardrail-system-with-fishtail-end-2-768x432.jpg 768w, https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/guardrail-system-with-fishtail-end-2-1536x864.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><figcaption>A complete barrier: beam, blockout and posts. The post line and the beam line are two different machines.<\/figcaption><\/figure>\n<p>Believe Industry builds both lines, so the post and the beam can be matched on hole spacing before either machine is cut. That is the part buyers regret skipping, because a 3 mm error at the post hole shows up on site as a bolt that will not enter.<\/p>\n<p>The background of the barrier itself, including W-beam and Thrie-beam containment levels, is covered in <a href=\"https:\/\/believeindustry.company\/highway-guardrail\/\">what a highway guardrail is and how it works<\/a>.<\/p>\n<h2 id=\"what-runs-on-the-line\">What runs on the guardrail post line<\/h2>\n<p>A guardrail post roll forming machine is a short line by steel framing standards. Most installations measure 22 to 30 m from decoiler to collection table, and they run one or two shifts rather than three.<\/p>\n<ul>\n<li><strong>Decoiler:<\/strong> 7 t hydraulic, hydraulic expansion with electric uncoiling, 5.5 kW uncoiling motor, 4 kW hydraulic motor, press arm over the coil.<\/li>\n<li><strong>Feeder and leveler:<\/strong> 2 powered feed rolls and 7 leveling rolls at 110 mm diameter, which removes coil set before the first forming pass.<\/li>\n<li><strong>Hydraulic punch:<\/strong> inline before forming, SKD 11 punch pins, hole pattern set from the touch screen. Punching flat strip is cheaper and cleaner than punching a finished post.<\/li>\n<li><strong>Roll former:<\/strong> 14 forming stations, 110 mm shafts, CR12MoV rolls, gearbox transmission on cast iron stands, 37 kW main motor.<\/li>\n<li><strong>Straightener:<\/strong> a short set of rolls after the last forming stand, because a 3 m post shows 2 mm of bow at the top end.<\/li>\n<li><strong>Cut-off:<\/strong> hydraulic cutting device, no saw, no burr on the cut face.<\/li>\n<li><strong>Hydraulic station:<\/strong> 22 kW with accumulator and oil cooling, sized for punching and cutting on the same cycle.<\/li>\n<li><strong>Control:<\/strong> Siemens PLC and touch screen, Yaskawa inverter, batch counter and fault log.<\/li>\n<li><strong>Collection table:<\/strong> 6 m or 12 m, with an optional auto stacker.<\/li>\n<\/ul>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/believeindustry.company\/wp-content\/uploads\/2023\/12\/Guardrail-Post-Machine-Uncoiler-jpg.webp\" alt=\"7 ton hydraulic uncoiler feeding coil into a guardrail post roll forming machine\" width=\"900\" height=\"600\" title=\"\"><figcaption>The 7 t hydraulic uncoiler. Hydraulic expansion, electric uncoiling, press arm on the coil.<\/figcaption><\/figure>\n<table>\n<thead>\n<tr>\n<th>Post<\/th>\n<th>Forming stations<\/th>\n<th>Line speed<\/th>\n<th>Punching<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sigma post 100 x 80<\/td>\n<td>16 to 20<\/td>\n<td>8 to 12 m\/min<\/td>\n<td>Inline hydraulic, 2 holes per pitch<\/td>\n<\/tr>\n<tr>\n<td>U post 150 x 75<\/td>\n<td>14 to 18<\/td>\n<td>8 to 12 m\/min<\/td>\n<td>Inline hydraulic, slotted holes<\/td>\n<\/tr>\n<tr>\n<td>C post 150 x 75<\/td>\n<td>14 to 16<\/td>\n<td>9 to 13 m\/min<\/td>\n<td>Inline hydraulic, bolt and blockout holes<\/td>\n<\/tr>\n<tr>\n<td>Heavy U post 180 x 90<\/td>\n<td>18 to 22<\/td>\n<td>6 to 10 m\/min<\/td>\n<td>Inline hydraulic, 150 t press frame<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Station count is where the money sits on a guardrail post roll forming machine. Every extra stand adds a pair of shafts, four bearing blocks, a gear pair and a slice of motor load. It also removes one springback problem that operators would otherwise fight with shims at every changeover.<\/p>\n<p>A sigma post with folded lips needs more passes than a plain U because each lip and each return flange is its own bend. A 4.5 mm U post needs more passes than a 3.0 mm one, and a 480 mm coil width needs a wider mill frame than 400 mm.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-attachment-id=\"9829\" data-permalink=\"https:\/\/believeindustry.company\/es\/roll-forming-machine\/customized-profile-roll-forming-machine\/guardrail-post-roll-forming-machine\/guardrail-post-roll-former-machine-2\/\" data-orig-file=\"https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/Guardrail-Post-Roll-Former-Machine-1.jpg\" data-orig-size=\"1200,675\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.9&quot;,&quot;camera&quot;:&quot;ELS-AN00&quot;,&quot;created_timestamp&quot;:&quot;1598281613&quot;,&quot;focal_length&quot;:&quot;6.71&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.03&quot;}\" data-image-title=\"Guardrail Post Roll Former Machine\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/Guardrail-Post-Roll-Former-Machine-1-1024x576.jpg\" src=\"https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/Guardrail-Post-Roll-Former-Machine-1.jpg\" alt=\"Cut-off station of a guardrail post roll forming line with the forming stands behind it\" class=\"wp-image-9829\" width=\"1200\" height=\"675\" title=\"\" srcset=\"https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/Guardrail-Post-Roll-Former-Machine-1.jpg 1200w, https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/Guardrail-Post-Roll-Former-Machine-1-600x338.jpg 600w, https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/Guardrail-Post-Roll-Former-Machine-1-300x169.jpg 300w, https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/Guardrail-Post-Roll-Former-Machine-1-1024x576.jpg 1024w, https:\/\/believeindustry.company\/wp-content\/uploads\/2024\/01\/Guardrail-Post-Roll-Former-Machine-1-768x432.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption>The line in the workshop: cut-off and control cabinet in front, uncoiler, punch and forming stands behind.<\/figcaption><\/figure>\n<h2 id=\"technical-parameters\">Main technical parameters<\/h2>\n<table>\n<thead>\n<tr>\n<th>Item<\/th>\n<th>Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Uncoiler<\/td>\n<td>7 t hydraulic, hydraulic expansion, electric uncoiling, 5.5 kW uncoiling motor, 4 kW hydraulic motor, press arm<\/td>\n<\/tr>\n<tr>\n<td>Feeding and leveling<\/td>\n<td>2 feed rolls, 7 leveling rolls, roll diameter 110 mm<\/td>\n<\/tr>\n<tr>\n<td>Punching<\/td>\n<td>Inline hydraulic before forming, SKD 11 punch pins<\/td>\n<\/tr>\n<tr>\n<td>Forming stations<\/td>\n<td>14<\/td>\n<\/tr>\n<tr>\n<td>Main motor<\/td>\n<td>37 kW<\/td>\n<\/tr>\n<tr>\n<td>Shaft diameter<\/td>\n<td>110 mm<\/td>\n<\/tr>\n<tr>\n<td>Roller material<\/td>\n<td>CR12MoV, heat treated<\/td>\n<\/tr>\n<tr>\n<td>Transmission<\/td>\n<td>Gearbox, cast iron stands<\/td>\n<\/tr>\n<tr>\n<td>Hydraulic station<\/td>\n<td>22 kW with accumulator and oil cooling device<\/td>\n<\/tr>\n<tr>\n<td>Control<\/td>\n<td>Siemens PLC, touch screen, Yaskawa inverter<\/td>\n<\/tr>\n<tr>\n<td>Cut length tolerance<\/td>\n<td>\u00b12 mm<\/td>\n<\/tr>\n<tr>\n<td>Section tolerance<\/td>\n<td>\u00b10.5 mm<\/td>\n<\/tr>\n<tr>\n<td>Straightness<\/td>\n<td>1 mm per metre<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Two of those rows decide how the post behaves on site. A 110 mm shaft keeps deflection low on a 4.5 mm section, so the gauge holds along the length. The straightener does the rest, because a post that leans will not sit plumb in the driver.<\/p>\n<h2 id=\"coil-and-coating\">Coil, coating and the standards behind the post<\/h2>\n<p>Guardrail posts are buried, splashed and salted. Zinc is the only thing standing between the steel and red rust, so the coating weight on the coil matters more than the steel grade.<\/p>\n<p>Z275 gives 275 g\/m\u00b2 of zinc across both surfaces, roughly 20 \u00b5m per side. Z350 gives about 25 \u00b5m. Inland routes do fine on Z275. Coastal highways, deicing salt belts and desert projects with abrasive sand move the spec to Z350 or Z450 without much argument. The <a href=\"https:\/\/galvanizeit.org\/\" target=\"_blank\" rel=\"noopener\">American Galvanizers Association<\/a> publishes the coating thickness to service life figures behind that choice.<\/p>\n<p>Cut edges and punched holes carry no coating at all. That is why the punch die should shear cleanly instead of tearing, and why the cut-off should not drag the strip. A torn edge rusts first, and it rusts inside the section where nobody looks until the post fails at the ground line. <a href=\"https:\/\/www.steelconstruction.info\/\" target=\"_blank\" rel=\"noopener\">SteelConstruction.info<\/a> covers the same failure mode on structural steelwork.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/believeindustry.company\/wp-content\/uploads\/2023\/12\/Guardrail-Post-Roll-Former-Machine-Lever-and-Punched-jpg.webp\" alt=\"Punched bolt holes and formed lever on a galvanized guardrail post\" width=\"900\" height=\"600\" title=\"\"><figcaption>Punched bolt holes with SKD 11 pins. A clean shear keeps the hole edge coated on both faces.<\/figcaption><\/figure>\n<p>On the drawing side, the beam is normally specified to AASHTO M180 or an equivalent national standard, and the assembled barrier is crash tested to MASH TL-3 in the United States or to EN 1317 containment levels in Europe. Those documents fix the beam, the blockout and the post spacing. They do not fix the machine, but a machine that cannot hold \u00b10.5 mm on the section will not pass the joint test either.<\/p>\n<p>If the coil arrives with an unknown grade or coating weight, read <a href=\"https:\/\/believeindustry.company\/how-to-select-steel-coil-roll-forming\/\">how to select steel coil for roll forming<\/a> before the rolls are cut. Roll passes are built around one thickness and one yield strength, not around whatever the mill has in stock.<\/p>\n<h2 id=\"matching-lines\">Matching the post line to the beam line<\/h2>\n<p>Most buyers run two machines. The beam line makes 3.81 m or 4 m panels. The post line makes 1.83 m or 2 m posts. Both feed the same installation crew, so the output of one has to keep up with the other.<\/p>\n<p>The arithmetic is simple and it is where budgets go wrong. A panel every 19 seconds at 12 m\/min needs two posts in the same 19 seconds, because post spacing on a W-beam run is about 2 m. That is a post every 9.5 seconds, or roughly 10 m\/min on 1.83 m cuts. The line above does it. A 60 t press with a manual cut-off does not.<\/p>\n<table>\n<thead>\n<tr>\n<th>Item<\/th>\n<th>Beam line<\/th>\n<th>Post line<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Panel or post length<\/td>\n<td>3,810 mm or 4,000 mm<\/td>\n<td>1,830 mm or 2,000 mm<\/td>\n<\/tr>\n<tr>\n<td>Cycle time<\/td>\n<td>19 to 28 s<\/td>\n<td>9 to 12 s<\/td>\n<\/tr>\n<tr>\n<td>Forming stations<\/td>\n<td>16<\/td>\n<td>14<\/td>\n<\/tr>\n<tr>\n<td>Steel thickness<\/td>\n<td>2.67 to 4.0 mm<\/td>\n<td>3.0 to 5.0 mm<\/td>\n<\/tr>\n<tr>\n<td>Output per shift<\/td>\n<td>600 to 900 panels<\/td>\n<td>1,200 to 1,800 posts<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>If you buy the beam line first, tell the machine builder the post spacing you intend to use. Hole positions on the post and hole positions on the beam are set on two different machines, and they only match if both were drawn from the same barrier layout.<\/p>\n<p>The beam side is covered on the <a href=\"https:\/\/believeindustry.company\/roll-forming-machine\/customized-profile-roll-forming-machine\/highway-guardrail-roll-forming-machine\/\">highway guardrail roll forming machine<\/a> page and in the <a href=\"https:\/\/believeindustry.company\/w-beam-guard-rail-roll-forming-machine\/\">W-beam guardrail machine<\/a> breakdown. If your project is a lower volume or a repair contract, <a href=\"https:\/\/believeindustry.company\/crash-barrier-cold-roll-forming-machine\/\">crash barrier cold roll forming<\/a> covers the smaller line options. Running footage of both lines is on the <a href=\"https:\/\/believeindustry.company\/highway-guardrail-crash-barrier-roll-forming-machine-video\/\">guardrail and crash barrier machine video<\/a> page.<\/p>\n<h2 id=\"how-to-specify\">How to specify your guardrail post machine<\/h2>\n<p>Five answers close most of the specification for a guardrail post roll forming machine. Send them together and the quote stops being a guess:<\/p>\n<ol>\n<li>The post drawing with coil width and thickness. A measured section from an existing post is second best.<\/li>\n<li>The hole pattern: diameter, pitch and whether slots are needed for adjustment on site.<\/li>\n<li>The steel grade and coating: Q235B, Q345B, S280GD, S350GD, Z275 or Z350.<\/li>\n<li>The cut length range and the tolerance the installer expects. \u00b12 mm is normal, \u00b11 mm costs more.<\/li>\n<li>Whether the same line will run a second section. A cassette change takes 2 to 3 hours with two people, and it is cheaper than a second machine.<\/li>\n<\/ol>\n<p>Believe Industry has built forming lines since 2005, with 80+ engineers and technicians, 500+ machines running in 50+ countries under ISO 9001 and CE. Post sections are one branch of the work; the <a href=\"https:\/\/believeindustry.company\/sigma-post-roll-forming-machine\/\">sigma post roll forming machine<\/a> covers the European equivalent in more detail, and the wider range sits under <a href=\"https:\/\/believeindustry.company\/customized-profiles\/\">customized profiles<\/a>.<\/p>\n<h2 id=\"faq\">Frequently asked questions about guardrail post roll forming machines<\/h2>\n<p><strong>Q: What does a guardrail post roll forming machine do?<\/strong><br \/>\nA: It uncoils galvanized strip, levels it, punches the bolt holes, forms the post section over 14 to 22 stands, straightens the post and cuts it to length. One operator runs the line from a PLC touch screen.<\/p>\n<p><strong>Q: Which post sections can one line make?<\/strong><br \/>\nA: Sigma, U and C sections from 3.0 to 5.0 mm, in widths from 300 to 480 mm of coil. A second section needs a roll cassette or a second set of rolls, not a new machine frame.<\/p>\n<p><strong>Q: How thick is guardrail post steel?<\/strong><br \/>\nA: European and Australian sigma posts usually run 3.0 to 4.0 mm. US U and C posts run 3.0 to 4.5 mm. Bridge approach and heavy posts go to 5.0 mm. A hot rolled W6 x 8.5 section is not formed at all, it is bought with a 6.8 mm flange and only punched and cut.<\/p>\n<p><strong>Q: How fast does the line run?<\/strong><br \/>\nA: 8 to 12 m\/min on a 3.0 to 4.0 mm post with inline punching. A 1.83 m post comes off the line every 9 to 12 seconds, which keeps pace with a beam line making a 3.81 m panel every 19 seconds.<\/p>\n<p><strong>Q: Do I need inline punching?<\/strong><br \/>\nA: Yes for guardrail work. Punching flat strip before forming is faster and cheaper than drilling a finished post, and it keeps hole pitch tied to the cut length instead of to a second operation.<\/p>\n<p><strong>Q: What tolerance can the machine hold?<\/strong><br \/>\nA: \u00b10.5 mm on the section, 1 mm per metre on straightness and \u00b12 mm on cut length. Tighter than that needs a different roll design, not a different operator.<\/p>\n<p><strong>Q: Can one machine make both posts and beams?<\/strong><br \/>\nA: Not on the same rolls. A beam is a wide, shallow wave section and a post is a closed or lipped channel. Two lines, or one frame with two cassettes, is the practical answer.<\/p>\n<p><strong>Q: What decides the price?<\/strong><br \/>\nA: Coil width and thickness first, then station count, then the punch tonnage and the cut-off type. A 480 mm coil at 5.0 mm with 22 stands and a 150 t punch frame costs roughly twice a 400 mm line at 3.0 mm with 14 stands.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/believeindustry.company\/wp-content\/uploads\/2023\/12\/Guardrail-Post-jpg.webp\" alt=\"Finished galvanized guardrail post cut to length\" width=\"900\" height=\"600\" title=\"\"><figcaption>A finished post off the line: formed, punched, straightened and cut to length in one pass.<\/figcaption><\/figure>\n<p>Send a post drawing to <a href=\"https:\/\/believeindustry.company\/contact-us\/\">our engineering team<\/a> and we will size a guardrail post roll forming machine around it, with station count, coil width and a line layout instead of a catalogue page. For a full barrier system, ask for the post and beam lines together so the hole pitches are matched before either machine is built.<\/p>\n<p>Last updated: 2026-11-05<br \/>\nArticle Changelog<br \/>\n2026-11-05: Rebuilt the page from 306 to 2,100 words, added the post section, station, parameter and line matching tables, eight FAQs and ten internal links.<br \/>\nNext Review Triggers<br \/>\nAASHTO M180, MASH TL-3 or EN 1317 post requirements change<br \/>\nZinc coating recommendations for coastal or deicing routes change<br \/>\nA new cassette or auto stacker option is added to the range<\/p>\n<div class=\"bic-faq-schema\"><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does a guardrail post roll forming machine do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It uncoils galvanized strip, levels it, punches the bolt holes, forms the post section over 14 to 22 stands, straightens the post and cuts it to length. One operator runs the line from a PLC touch screen.\"}}, {\"@type\": \"Question\", \"name\": \"Which post sections can one line make?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Sigma, U and C sections from 3.0 to 5.0 mm, in widths from 300 to 480 mm of coil. A second section needs a roll cassette or a second set of rolls, not a new machine frame.\"}}, {\"@type\": \"Question\", \"name\": \"How thick is guardrail post steel?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"European and Australian sigma posts usually run 3.0 to 4.0 mm. US U and C posts run 3.0 to 4.5 mm. Bridge approach and heavy posts go to 5.0 mm. A hot rolled W6 x 8.5 section is not formed at all, it is bought with a 6.8 mm flange and only punched and cut.\"}}, {\"@type\": \"Question\", \"name\": \"How fast does the line run?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"8 to 12 m\/min on a 3.0 to 4.0 mm post with inline punching. A 1.83 m post comes off the line every 9 to 12 seconds, which keeps pace with a beam line making a 3.81 m panel every 19 seconds.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need inline punching?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes for guardrail work. Punching flat strip before forming is faster and cheaper than drilling a finished post, and it keeps hole pitch tied to the cut length instead of to a second operation.\"}}, {\"@type\": \"Question\", \"name\": \"What tolerance can the machine hold?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"\u00b10.5 mm on the section, 1 mm per metre on straightness and \u00b12 mm on cut length. Tighter than that needs a different roll design, not a different operator.\"}}, {\"@type\": \"Question\", \"name\": \"Can one machine make both posts and beams?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Not on the same rolls. A beam is a wide, shallow wave section and a post is a closed or lipped channel. Two lines, or one frame with two cassettes, is the practical answer.\"}}, {\"@type\": \"Question\", \"name\": \"What decides the price?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Coil width and thickness first, then station count, then the punch tonnage and the cut-off type. A 480 mm coil at 5.0 mm with 22 stands and a 150 t punch frame costs roughly twice a 400 mm line at 3.0 mm with 14 stands.\"}}]}<\/script><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Short answer: A guardrail post roll forming machine turns flat galvanized coil into the posts that carry a W-beam, Thrie-beam or wire rope barrier. It punches the bolt holes, forms the sigma, U or C section, straightens the post and cuts it to length in one pass. Lines for this work carry 12 to 18 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":9829,"parent":1257,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"beli_elementor_import":"","beli_elementor_applied":"","_wpcom_ai_launchpad_about_page":false,"_wpcom_ai_launchpad_gallery_page":false,"_wpcom_ai_launchpad_contact_page":false,"_wpcom_ai_launchpad_events_page":false,"_wpcom_ai_launchpad_video_page":false,"_wpcom_ai_launchpad_portfolio_piece":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"footnotes":"","big_sky_generated":false},"tags":[607849634],"class_list":["post-9774","page","type-page","status-publish","has-post-thumbnail","hentry","tag-custom-designs"],"blocksy_meta":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P9K5n8-2xE","jetpack_likes_enabled":false,"jetpack-related-posts":[{"id":1515,"url":"https:\/\/believeindustry.company\/es\/roll-forming-machine\/customized-profile-roll-forming-machine\/highway-guardrail-roll-forming-machine\/","url_meta":{"origin":9774,"position":0},"title":"M\u00e1quina de Conformado por Rodillos para Guardarra\u00edl Vial","author":"Believe Industry Group","date":"abril 26, 2018","format":false,"excerpt":"A highway guardrail roll forming machine\u00a0turns flat steel coils into finished W-beam or Thrie-beam guardrails. It punches holes, forms the profile, cuts to length, and stacks panels \u2014 all in one automated flow. One line can switch between both guardrail types. No second machine needed. Believe Industry builds these machines\u2026","rel":"","context":"En \u00abCrash Barrier Roll Forming Machine\u00bb","block_context":{"text":"Crash Barrier Roll Forming Machine","link":"https:\/\/believeindustry.company\/es\/tag\/crash-barrier-roll-forming-machine\/"},"img":{"alt_text":"Highway Guardrail Roll Former Machine","src":"https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2022\/03\/guardrail-roll-forming-machine08.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2022\/03\/guardrail-roll-forming-machine08.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2022\/03\/guardrail-roll-forming-machine08.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2022\/03\/guardrail-roll-forming-machine08.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":6781,"url":"https:\/\/believeindustry.company\/es\/roll-forming-machine\/customized-profile-roll-forming-machine\/w-beam-crash-barrier-roll-forming-machine\/","url_meta":{"origin":9774,"position":1},"title":"M\u00e1quina perfiladora de barrera de choque viga W","author":"Believe Industry Group","date":"junio 6, 2019","format":false,"excerpt":"W Beam Crash Barrier Roll Forming Machine e is for producing W beam guardrails\/carsh barrier will hole punched. Crash Barrier Roll Forming Machine Machine Feature Adopt Iron Cast Pillar as roll forming stands which is much strongerAdopt Gear Box transmission which is much stable for thick materialAdopt latest design of\u2026","rel":"","context":"En \u00abcustom designs\u00bb","block_context":{"text":"custom designs","link":"https:\/\/believeindustry.company\/es\/tag\/custom-designs\/"},"img":{"alt_text":"Cutting Device","src":"https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/06\/Cutting-Device.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/06\/Cutting-Device.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/06\/Cutting-Device.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/06\/Cutting-Device.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/06\/Cutting-Device.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/06\/Cutting-Device.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":7304,"url":"https:\/\/believeindustry.company\/es\/upright-post-roll-forming-machine\/","url_meta":{"origin":9774,"position":2},"title":"M\u00e1quina formadora de postes verticales","author":"Believe Industry Group","date":"enero 8, 2020","format":false,"excerpt":"Short answer: An upright post roll forming machine turns galvanized coil into punched posts with a repeatable hole grid, then cuts them to length in one continuous pass. Most lines run 1.5 to 2.5 mm strip at 10 to 15 m\/min with a hydraulic press, or 30 m\/min and above\u2026","rel":"","context":"Entrada similar","block_context":{"text":"Entrada similar","link":""},"img":{"alt_text":"upright post roll forming machine","src":"https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2020\/01\/upright-post-roll-forming-machine.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2020\/01\/upright-post-roll-forming-machine.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2020\/01\/upright-post-roll-forming-machine.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2020\/01\/upright-post-roll-forming-machine.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2020\/01\/upright-post-roll-forming-machine.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2020\/01\/upright-post-roll-forming-machine.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":2193,"url":"https:\/\/believeindustry.company\/es\/roll-forming-machine\/metal-sheet-roll-forming-machine\/metal-wall-panel-roll-forming-machine\/","url_meta":{"origin":9774,"position":3},"title":"M\u00e1quina perfiladora de paneles met\u00e1licos para paredes","author":"Believe Industry Group","date":"junio 7, 2018","format":false,"excerpt":"La m\u00e1quina perfiladora de paneles de pared met\u00e1licos sirve para producir paneles de pared autom\u00e1ticamente. La m\u00e1quina puede cortar los perfiles de los paneles de pared a la longitud deseada. Como sabemos, los paneles de pared tradicionales se fabrican con ladrillo, que se compone de arcilla, arena y\u2026","rel":"","context":"En \u00abCold Roll Forming Machine\u00bb","block_context":{"text":"Cold Roll Forming Machine","link":"https:\/\/believeindustry.company\/es\/tag\/cold-roll-forming-machine\/"},"img":{"alt_text":"metal wall panel roll forming machine","src":"https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/06\/metal-wall-panel-roll-forming-machine-e1529031517454.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/06\/metal-wall-panel-roll-forming-machine-e1529031517454.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/06\/metal-wall-panel-roll-forming-machine-e1529031517454.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/06\/metal-wall-panel-roll-forming-machine-e1529031517454.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/06\/metal-wall-panel-roll-forming-machine-e1529031517454.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":22047,"url":"https:\/\/believeindustry.company\/es\/customized-profiles\/","url_meta":{"origin":9774,"position":4},"title":"perfiles personalizados","author":"Believe Industry Group","date":"abril 12, 2026","format":false,"excerpt":"Product Catalog Customized Profile Roll Forming Machines Guardrail, barrier posts, silo panels, greenhouse sections, steel studs, cable tray, scaffold planks and embossing lines. Eleven machines built from your section drawing, not from a catalogue. Request a Quote Browse 11 Machine Types 11Machine types 0.2 - 5.0 mmCoil gauge up to\u2026","rel":"","context":"Entrada similar","block_context":{"text":"Entrada similar","link":""},"img":{"alt_text":"custom roll forming machine","src":"https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/05\/custom-roll-forming-machine.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/05\/custom-roll-forming-machine.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/05\/custom-roll-forming-machine.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/05\/custom-roll-forming-machine.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/05\/custom-roll-forming-machine.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":1257,"url":"https:\/\/believeindustry.company\/es\/roll-forming-machine\/customized-profile-roll-forming-machine\/","url_meta":{"origin":9774,"position":5},"title":"m\u00e1quinas perfiladoras de perfil a medida","author":"Believe Industry Group","date":"abril 16, 2018","format":false,"excerpt":"Custom sections, built in Wuxi China Customized Profile Roll Forming Machine A customized profile roll forming machine is built from your section drawing, not from a catalogue. Developed width, thickness, hole pattern and tolerance decide the pass design, the roll set and the cutoff, so two lines that look alike\u2026","rel":"","context":"En \u00abbelieve industry machine\u00bb","block_context":{"text":"believe industry machine","link":"https:\/\/believeindustry.company\/es\/tag\/believe-industry-machine\/"},"img":{"alt_text":"customized profile roll forming machine","src":"https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/04\/customized-profiles.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/04\/customized-profiles.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/04\/customized-profiles.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/04\/customized-profiles.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/believeindustry.company\/wp-content\/uploads\/2018\/04\/customized-profiles.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/believeindustry.company\/es\/wp-json\/wp\/v2\/pages\/9774","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/believeindustry.company\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/believeindustry.company\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/believeindustry.company\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/believeindustry.company\/es\/wp-json\/wp\/v2\/comments?post=9774"}],"version-history":[{"count":27,"href":"https:\/\/believeindustry.company\/es\/wp-json\/wp\/v2\/pages\/9774\/revisions"}],"predecessor-version":[{"id":25511,"href":"https:\/\/believeindustry.company\/es\/wp-json\/wp\/v2\/pages\/9774\/revisions\/25511"}],"up":[{"embeddable":true,"href":"https:\/\/believeindustry.company\/es\/wp-json\/wp\/v2\/pages\/1257"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/believeindustry.company\/es\/wp-json\/wp\/v2\/media\/9829"}],"wp:attachment":[{"href":"https:\/\/believeindustry.company\/es\/wp-json\/wp\/v2\/media?parent=9774"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/believeindustry.company\/es\/wp-json\/wp\/v2\/tags?post=9774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}