Custom Purlin Forming Machine with 13.5 Tons of Heavy Duty Strength
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Jul, Thu, 2026
Anybody in this line of work knows the drill. The machine runs fine for a few months, then the dimensions start drifting. The setup crew keeps adjusting, but the profiles still come out inconsistent. Rush orders become risky because nobody can guarantee the next batch will pass inspection. People who build equipment understand that these problems usually come down to two things: frame rigidity and forming station count. This 13.5 ton custom purlin forming machine addresses both issues directly. The sections below cover applications, workflow, specifications, and selection considerations.

Applications
This custom purlin forming machine works across multiple profile applications.
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Light steel villas and prefabricated residential wall framing
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Partition walls and ceiling suspension systems for high rise buildings
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Steel structure plant purlins and enclosure systems
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Storage racking uprights and beam profiles
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Solar mounting brackets and agricultural greenhouse frames
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Cable trays and electrical installation channels


How the Line Runs
Decoiler- Feeding- Leveling- Punching-Forming- Cutting- Receiving table

You set the length and hole spacing on the touchscreen, and this custom purlin forming machine handles uncoiling, leveling, punching, forming, cutting, and collection automatically. The six stations run as one continuous flow with no stops or manual handling in between. Your operators do not need to follow the line. They just wait for finished profiles to come out.
What Makes This Custom Purlin Forming Machine Handle Heavy Material
Continuous production with thick material requires two things from a machine: rigidity and forming precision. This custom purlin forming machine is built around two core principles: machine weight and station count.
What the 13.5 Tons Really Mean
Whether a line runs smoothly depends on whether the machine can absorb the impact of continuous heavy gauge production. This equipment draws its strength from two factors: its own weight and its number of forming stations.
Machine weight is not a design target. It is a natural result of rigid construction. A cast steel frame with an H beam base is much heavier than a welded frame, but the vibration resistance is on a completely different level. At high speeds, the mass absorbs vibration so the rollers stay on their axis. Every profile you produce keeps the same cross section from end to end.
The shaft diameter is 230 mm, made of 45# steel. A thicker shaft resists torsion better under high torque. It won't bend even with years of heavy loads. The rollers are Cr15 quenched steel with precision machining. With this combination, the custom purlin forming machine holds its accuracy for years without frequent stops for recalibration.


What 20 Stations Deliver
Fewer forming stations mean more deformation per step. That creates concentrated internal stress, and the material will spring back after forming. This is basic physics.
Twenty stations distribute the total deformation evenly across each step. Each roller station bends the material just a little. The material gradually flows to the target shape, and internal stress gets released gradually. The resulting profiles stay straight. They do not warp or twist during installation. Your crew won't need to rework profiles on site. They can assemble directly, saving labor and time.
More stations also mean more even roller wear. Each station takes less friction, so the custom purlin forming machine lasts longer. You won't need to replace the full roller set every year or two. Maintenance costs stay under control.
That is the logic behind the forming design. The table below shows the full equipment specifications.

Specifications at a Glance
| Category | Parameter | Specification |
|---|---|---|
| General | Machine weight | Approx. 13.5 tons |
| Material thickness | 1.2 - 2.7 mm | |
| Material type | Galvanized steel / cold rolled steel | |
| Working speed | 0 - 25 m/min (depends on hole quantity) | |
| Power supply | 480V 60Hz 3 phase | |
| Decoiler system | Coil capacity | 5 tons max |
| Drive type | Hydraulic motor | |
| Speed control | Automatic with speed sensor | |
| Main forming system | Main motor power | 30 kW (40 HP) |
| Forming stations | 20 | |
| Roller material | Cr15, quenched, precision machined | |
| Shaft diameter | 230 mm | |
| Shaft material | 45# steel | |
| Roller stand | Cast steel | |
| Machine base | H beam welded steel | |
| Emergency stop | 2 push buttons | |
| Width adjustment motor | 1.5 kW x 3 units | |
| Punching and cutting | Punching drive | Hydraulic |
| Cutting method | Cut after forming at set length | |
| Blade material | Cr12MoV, quenched | |
| Blade configuration | 2 sets (1 installed, 1 spare) | |
| Length measurement | Automatic encoder (Omron, Japan) | |
| Hydraulics and control | Hydraulic station | 1 tank, 2 pumps, 4 pipes, 2 solenoid valve sets |
| Hydraulic oil | 46# anti wear hydraulic oil | |
| PLC and touchscreen | Taiwan | |
| Encoder | Omron, Japan | |
| Interface language | Chinese / English | |
| Control type | Push button + touchscreen | |
| Receiving and accessories | Receiving table | 5 m x 2 sections |
| Side conveyor belt | Heavy duty side belt, 2 sets | |
| Maintenance tools | 1 set | |
| Operation manual | 1 copy | |
| Spare chain | 2 meters | |
| Spare sprocket | 2 pieces | |
| Spare fuse | 1 piece | |
| Spare encoder | 2 sets | |
| Spare blade | 1 set (plus 1 set installed) | |
| Spare seal ring | 1 set |
How to Judge If a Machine Is Rigid Enough
After looking at the specs, the real question is how to use this information to evaluate a custom purlin forming machine. Start with two things: frame material and forming station count. A cast steel frame with an H beam base is the baseline for heavy duty equipment. For material over 2 mm thick, 20 stations are the minimum. Below that, accuracy gets harder to maintain over time.
This custom purlin forming machine is designed for 1.2 to 2.7 mm galvanized and cold rolled steel. Speed adjusts from 0 to 25 m/min based on hole quantity. Width adjustment runs on three 1.5 kW motors, so you can change sizes without stopping the line for half a day.


If you need other profile types, we have matching machines as well.
Other Machines in This Series
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Light gauge steel framing machine
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Racking upright forming machine
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Solar bracket forming machine
That covers this custom purlin forming machine. There is no single right answer for equipment selection. Your material thickness, profile shape, and site conditions are unique. We can reconfigure the setup based on these factors until it matches your actual working conditions.


