{"id":7304,"date":"2020-01-08T15:26:34","date_gmt":"2020-01-08T07:26:34","guid":{"rendered":"https:\/\/believeindustry.company\/?page_id=7304"},"modified":"2026-11-10T10:30:21","modified_gmt":"2026-11-10T02:30:21","slug":"dikey-direkli-rulo-sekillendirme-makinesi","status":"publish","type":"page","link":"https:\/\/believeindustry.company\/tr\/upright-post-roll-forming-machine\/","title":{"rendered":"Dikey Direk Rulo \u015eekillendirme Makinesi"},"content":{"rendered":"

Short answer:<\/strong> 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 with a rotary punch. The hole pitch, not the forming speed, decides whether the posts assemble into a rack.<\/p>\n

A post is the vertical member of a pallet rack, a shelving frame or a light structural frame. Beams clip or bolt into its holes. If the hole pitch drifts, beams sit out of level and the load path changes. That is why the punching station on an upright post roll forming machine gets more attention than the mill behind it.<\/p>\n

We have built roll forming lines since 2005 and shipped them to 50+ countries. This page stays with the single post line: one adjustable mill, one punch station, one cut-off. If a project also needs frame welding, beam lines and a whole plant layout, the upright rack roll forming machine<\/a> page covers that wider system instead.<\/p>\n

The same upright post roll forming machine also makes gondola uprights, guardrail posts and slotted channel posts. The sections differ, but the line order does not: uncoil, level, feed, punch, form, straighten, cut, stack.<\/p>\n

What the machine makes<\/h2>\n

The section is usually a lipped C or U channel, 60 to 120 mm across the web, with return flanges of 40 to 70 mm. Holes run down the web on a fixed grid. Teardrop and keyhole holes suit beam clips. Round and slotted holes suit bolted frames. Some posts are closed box sections made by a seam welding station after the mill.<\/p>\n

An upright post roll forming machine does not make the beams, braces, shelf panels or connectors. Those come from other lines, and their hook spacing has to match the holes punched here. Send both drawings together before the dies are cut.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Item<\/th>\nTypical range<\/th>\nEffect on the line<\/th>\n<\/tr>\n<\/thead>\n
Strip thickness<\/td>\n1.5 to 2.5 mm<\/td>\nStand count and motor size<\/td>\n<\/tr>\n
Heavy option<\/td>\n3.0 mm<\/td>\nNew roll set, more power<\/td>\n<\/tr>\n
Post web width<\/td>\n60 to 120 mm<\/td>\nAdjustable stand position<\/td>\n<\/tr>\n
Return flange<\/td>\n40 to 70 mm<\/td>\nRoll gap and lip tooling<\/td>\n<\/tr>\n
Hole pitch<\/td>\n50 or 75 mm<\/td>\nBeam clip standard<\/td>\n<\/tr>\n
Cut length<\/td>\n1.8 to 12 m<\/td>\nCut-off program<\/td>\n<\/tr>\n
Coil width<\/td>\n180 to 420 mm<\/td>\nDecoiler and leveller size<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

On an upright post roll forming machine, post height is not a tooling change. A 2.4 m post and a 6 m post use the same rolls and the same dies. Only the cut length program changes. Post width is the real changeover job, because the stands and the cut-off blade have to move.<\/p>\n

\"Close-up
Two rows of teardrop holes on a finished post. The beam hooks seat in these openings, so the pitch is a fit dimension and not a cosmetic one.<\/figcaption><\/figure>\n

On lighter posts, hole pitch is usually checked over the first and last opening of a cut piece. A die that is 1 mm off centre at the start becomes a rack that will not accept a beam at the top. Our punch die alignment notes<\/a> show where that error starts.<\/p>\n

Coil grades and export standards<\/h2>\n

Most posts are formed from hot-dip galvanized S350GD at Z275 to Z450, or Q235 and Q345 where the local code allows it. Australian work often calls for G550 to AS\/NZS 4600, which is thin and high strength. High strength strip needs more forming force and a harder roll finish. Grade and coating belong on the enquiry, not in a late email. The American Galvanizers Association<\/a> publishes useful coating guidance, and our coil selection guide<\/a> covers the trade-offs. Our upright column steel grade notes<\/a> go into the rack grades specifically.<\/p>\n

North American racks are designed around ANSI MH16.1 through the Rack Manufacturers Institute at MHI<\/a>. European work falls under EN 15512 and the FEM<\/a> 10.2.02 rules. Australian jobs use AS 4084. Ask which code the rack will be checked against before an upright post roll forming machine is built, because post gauge, hole size and bracing pattern all come out of that calculation.<\/p>\n

Coil to stack: the line layout<\/h2>\n

Strip enters an upright post roll forming machine from a 3 to 5 t decoiler and leaves as a punched, cut-to-length post. Every station between those two points has to stay in register with the first hole.<\/p>\n

\"Complete
An upright post roll forming machine in our shop. The long row of stands is what turns flat punched strip into a stiff lipped channel.<\/figcaption><\/figure>\n

The layout drawing below is the standard arrangement. Power ratings on that drawing describe one complete line and change with the gauge range, so treat them as a starting point rather than a fixed specification.<\/p>\n

\"Line
Standard layout: uncoiler and leveller, servo feeder, punch press, accumulator, three forming mill sections, straightener, cut-off and auto stacker.<\/figcaption><\/figure>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Station<\/th>\nJob<\/th>\nNote<\/th>\n<\/tr>\n<\/thead>\n
Decoiler, 3 to 5 t<\/td>\nHolds coil, back tension<\/td>\nSets run length<\/td>\n<\/tr>\n
Leveller, 7 or 9 rolls<\/td>\nRemoves coil set<\/td>\nCoil set becomes post twist<\/td>\n<\/tr>\n
Servo feeder<\/td>\nIndexes hole pitch<\/td>\nEncoder closes the loop<\/td>\n<\/tr>\n
Hydraulic press, about 110 t<\/td>\nWeb holes and slots<\/td>\nQuick change die carrier<\/td>\n<\/tr>\n
Accumulator loop<\/td>\nBuffers the strip<\/td>\nNeeded on stop-and-cut lines<\/td>\n<\/tr>\n
Forming mill<\/td>\n18 to 22 stands<\/td>\nBuilds web and return lips<\/td>\n<\/tr>\n
Straightening head<\/td>\nRemoves bow and twist<\/td>\nKeeps flanges parallel<\/td>\n<\/tr>\n
Cut-off<\/td>\nHydraulic, tracking or flying shear<\/td>\nSets end condition<\/td>\n<\/tr>\n
Run-out and stacker<\/td>\nCollects finished posts<\/td>\n15 to 25 m\/min<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

On an upright post roll forming machine with a stop-and-cut press, the accumulator between the punch and the mill is not optional. The strip has to keep moving through the forming stands while the feeder pauses for each punch stroke. Without that loop, the posts pick up a bow at every hole.<\/p>\n

Punching: the hole grid sets the assembly<\/h2>\n

On an upright post roll forming machine, holes go in before the strip reaches the first forming stand, while it is still flat. A hydraulic press with interchangeable dies puts teardrop, keyhole, round or slotted openings in the web. A servo feeder counts strip length from the first hole, not from the coil end. An encoder at the mill closes the loop, so a 0.5 mm slip per feed does not turn into a 10 mm error by the twentieth hole.<\/p>\n

\"Close-up
Forming rolls running over strip that has already been punched. Every roll has to clear the holes without catching an edge.<\/figcaption><\/figure>\n

A quick change die carrier cuts a die swap from 30 to 45 minutes down to a few minutes. That matters when a plant ships three hole patterns in one shift. The punching fault checklist<\/a> lists the failures we see most often during setup. If the order book is mostly one pattern at high volume, a rotary punch<\/a> indexes the holes without stopping the strip at all.<\/p>\n

An upright post roll forming machine is judged on the last hole as much as the first. Ask the builder to measure pitch across a full 6 m piece, not across a 300 mm sample.<\/p>\n

Forming stands and adjustable width<\/h2>\n

Eighteen to twenty-two stands bend the strip in small steps. Rolls are Cr12MoV hardened to HRC 58 to 62 and run on 75 mm 40Cr shafts. Two 18.5 kW drives turn the mill on a standard line. More stands are needed for a deep lipped section or 3.0 mm strip, because a bigger bend in one pass leaves springback that the straightener cannot remove.<\/p>\n

Width adjustment is the part that separates one upright post roll forming machine from another. On a manual mill the operator moves spacers between stands. On a motorised mill the stands shift from a size typed into the touch screen. Either way the cut-off blade has to be checked against the new section, and the punch die has to follow the new web width. Our comparison of roll formed and press brake upright columns<\/a> explains why one continuous mill holds a straighter post than a series of brake hits.<\/p>\n

The straightening head on an upright post roll forming machine sits after the last stand. It removes bow and twist left by the forming sequence. A post that is straight but twisted will still refuse a beam clip, so the acceptance run has to check both.<\/p>\n

Cut-off options and line speed<\/h2>\n

Cut-off choice sets the real output of an upright post roll forming machine. A hydraulic stop-and-cut holds 3 to 4 m\/min. A press cut with servo tracking reaches 10 to 15 m\/min, which is the range quoted on most standard post lines. A flying shear keeps the strip moving at 20 to 35 m\/min. A rotary punch line runs at 30 m\/min and above. The stacker behind the mill usually caps out at 15 to 25 m\/min.<\/p>\n

\"Forming
Forming stands, hydraulic power unit and a punched post on the exit roller table. The strip keeps its hole grid right through to cut-off.<\/figcaption><\/figure>\n

At 12 m\/min and 80 percent uptime, an upright post roll forming machine makes about 4,600 m in an 8 hour shift, or roughly 2,300 posts at 2 m each. Coil changes, die swaps and length changes come out of that figure. Our speed and output breakdown<\/a> shows the same calculation for rotary lines, and the flying shear guide<\/a> explains why the strip does not stop.<\/p>\n

A stop-and-cut also needs a blade per section. A pre-cut layout uses one universal blade but leaves a soft end. If the posts are welded into frames, that end condition matters more than the speed figure.<\/p>\n

Three changeover designs compared<\/h2>\n

Post orders arrive in mixed widths and mixed lengths. Length is a program. Width is a tooling job. How the upright post roll forming machine handles width is usually the biggest decision after the size range itself.<\/p>\n\n\n\n\n\n\n\n
Design<\/th>\nWidth change<\/th>\nBest for<\/th>\n<\/tr>\n<\/thead>\n
Manual spacers<\/td>\nAbout 3 h<\/td>\nFew widths, long runs<\/td>\n<\/tr>\n
Pre-cut universal blade<\/td>\nAbout 2.5 h<\/td>\nMedium batches<\/td>\n<\/tr>\n
Servo automatic stands<\/td>\nAbout 2 min<\/td>\nDaily width changes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The manual design is the cheapest to buy. The operator moves spacers between stands, swaps the cut-off blade and re-aligns the punch die. The cut end stays square. The pre-cut layout cuts the strip before forming, so one blade covers every width and the change is a little faster, at the cost of a slightly flared end. The servo design moves the stands on motorised axes and needs no blade change.<\/p>\n

Buy the servo version when the plant ships several widths a day. Buy the manual version when it runs one width for a week. Our changeover time guide<\/a> puts numbers on the coil side of the same calculation.<\/p>\n

Typical specifications and acceptance checks<\/h2>\n

A specification sheet for an upright post roll forming machine is a starting point. Acceptance should be a run on the buyer coil, not a brochure.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Item<\/th>\nTypical value<\/th>\nAcceptance check<\/th>\n<\/tr>\n<\/thead>\n
Forming stands<\/td>\n18 to 22<\/td>\nStation list signed off<\/td>\n<\/tr>\n
Roll material<\/td>\nCr12MoV, HRC 58 to 62<\/td>\nHardness certificate<\/td>\n<\/tr>\n
Shaft<\/td>\n75 mm, 40Cr<\/td>\nRunout at each stand<\/td>\n<\/tr>\n
Main drives<\/td>\nTwo 18.5 kW motors<\/td>\nRun at rated load<\/td>\n<\/tr>\n
Hydraulic station<\/td>\n5.5 kW<\/td>\nPunch and cut together<\/td>\n<\/tr>\n
Cut length<\/td>\nplus or minus 1 mm<\/td>\n30 pieces measured<\/td>\n<\/tr>\n
Hole pitch<\/td>\nplus or minus 0.5 mm<\/td>\nFirst and last hole<\/td>\n<\/tr>\n
Straightness<\/td>\nwithin 1 mm per m<\/td>\n2 m straightedge<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Before an upright post roll forming machine leaves the shop, run 30 pieces from the buyer coil. Measure web width, return flange, cut length, hole pitch, straightness and twist. Then clip a beam into two posts by hand. That last test catches more problems than any of the numbers, because it uses the same motion the erection crew will use. The upright frame guide<\/a> covers how the post line and the frame welder fit together.<\/p>\n

One post line or a full pallet racking system?<\/h2>\n

Buy an upright post roll forming machine when the plant makes posts in volume and changes width more often than it changes product family. A dedicated post line has fewer axes, a simpler cut-off, shorter commissioning and a lower price for the same gauge range. It also holds the hole pattern more easily, because the die grid is built around one family of sections.<\/p>\n

Buy a wider system when the order book also includes step beams, box beams, shelf panels, bracing and welded frames. The pallet racking roll forming machine range<\/a> covers the whole group. Two beam lines feed that rack: our step beam machine<\/a> forms stepped beams, while our box beam roll forming machine<\/a> forms closed box sections. Plants that need frame welding and trial production should start from the upright rack roll forming machine<\/a> page instead.<\/p>\n

Send the section drawing, the hole grid, the coil grade and coating, the annual volume and the design code. With those five items we can fix stand count, punch tonnage, cut-off type and motor sizes for an upright post roll forming machine instead of quoting from a catalogue. Send the drawing to our engineering team<\/a> and we will return a layout and a coil-to-stack cycle time.<\/p>\n

Frequently asked questions about upright post roll forming machines<\/h2>\n

Q: What does an upright post roll forming machine actually make?<\/strong>
\nA: It makes punched, cut-to-length vertical posts from galvanized coil. The section is usually a lipped C or U channel with teardrop, keyhole, round or slotted holes on a fixed grid. Beams, braces, shelf panels and connectors come from other lines.<\/p>\n

Q: What thickness and size range can one line run?<\/strong>
\nA: A standard upright post roll forming machine covers 1.5 to 2.5 mm strip, 60 to 120 mm web widths, 40 to 70 mm return flanges and cut lengths from 1.8 to 12 m. A 3.0 mm heavy option needs a different roll set and more motor power.<\/p>\n

Q: Is post height a tooling change?<\/strong>
\nA: No. Post height is set by the cut length program on the flying shear or tracking cut-off. Height changes take seconds. Post width is the real changeover, because the forming stands, punch die and cut-off blade all have to be reset.<\/p>\n

Q: How fast does an upright post roll forming machine run?<\/strong>
\nA: A hydraulic stop-and-cut holds 3 to 4 m\/min. A servo tracking press line runs 10 to 15 m\/min. A flying shear reaches 20 to 35 m\/min, and a rotary punch line runs at 30 m\/min and above. The stacker behind the mill usually caps out at 15 to 25 m\/min.<\/p>\n

Q: Where are the holes punched?<\/strong>
\nA: Before the first forming stand, while the strip is still flat. A servo feeder indexes the pitch from the first hole and an encoder at the mill closes the loop. Punching after forming would distort the flanges and make the pitch hard to hold.<\/p>\n

Q: How long does a width changeover take?<\/strong>
\nA: About 3 hours on a manual spacer line, about 2.5 hours on a pre-cut layout with a universal blade, and about 2 minutes on a servo automatic line where the stands move from a size entered on the screen.<\/p>\n

Q: What coil grades and standards apply?<\/strong>
\nA: Hot-dip galvanized S350GD at Z275 to Z450 is the usual choice, with Q235 and Q345 where the local code permits. Australian work often uses G550 to AS\/NZS 4600. North American racks follow ANSI MH16.1, European racks follow EN 15512 and FEM 10.2.02, and Australian racks follow AS 4084.<\/p>\n

Q: How do I test the line before it ships?<\/strong>
\nA: Run 30 pieces from your own coil. Measure web width, return flange, cut length, hole pitch, straightness and twist, then clip a beam into two posts by hand. Check cut length to plus or minus 1 mm, hole pitch to plus or minus 0.5 mm and straightness within 1 mm per m.<\/p>\n

Last updated: 2026-11-08
\nArticle Changelog
\n2026-11-08: Rebuilt the page from 154 words, added the profile, line layout, changeover and acceptance tables, eight FAQs, Rank Math metadata, fifteen internal links and five factory photos.
\nNext Review Triggers
\nANSI MH16.1, EN 15512, FEM 10.2.02 or AS 4084 revisions change post gauge or hole grid rules
\nA 3.0 mm heavy gauge option becomes part of the standard post line
\nServo automatic width changeover or rotary punching becomes standard on this line<\/p>\n