Straight Seam Hollow Section Pipe Making Machine HF Welded Pipe Machinery ERW Tube Mill
Product Details
Automatic High Frequency Straight Seam ERW Carbon Steel Pipe Mill is specially used for producing high-frequency straight seam welded pipe and corresponding square pipe and special-shaped pipe . The composition of equipment is from uncoiler to fixed length cutting saw. Rolling speed can be adjusted correspondingly within suitable range of pipe diameter and wall thickness.
| Product&yield | Round Pipe | 76mm-165mm Thickness:2.0mm-6.0mm |
| Square & rectangle tube | 60mm×60mm -130mm×130mm Thickness:2.0mm-5.0mm | |
| Length | 6m-12m Length Tolerance: ±3mm | |
| Production Speed | 20-50 m/min | |
| Production capacity | 30,000ton/year | |
| Consumption | Mill installed capacity | 220 kw |
| Line Area | 85m(length) ×7m (width) | |
| worker | 6-8 workers | |
| Raw Material | Carbon Steel coil | Carbon steel coil Q235B(ASTM GR·D,σs 230) |
| Width | 240mm-520mm Thickness: 2.0mm-6.0mm | |
| Coil ID | 580-700mm | |
| Coil OD | Max 1800mm | |
| Coil Weight | 6.0t |
Machine Parts
1. uncoiler
Function: 360ºrotary hydraulic-pressure expanding tight, which insure steel coil feeding alternatively and make steel strip go into accumulator freely.
2. accumulator
Overview: it has two kinds of accumulator for optional.
usually big line use horizontal type, and small line use vertical type.
Forming part:Mainly roughly mill-forming steel strip and controlling weld seam
3. Sizing part
Function: Mainly fine shaping pipe after welding and controlling size accuracy.
4. Turkey's head
Function: It is mainly used for straightening of finished pipe roughly online.
5. Computer-controlled tracking cutting saw
If need better precision for the tube cutting, could choose cold saw cutting as optional.
Cold sawing cutting
Digitally cold cutting machine is composed of mechnical parts, electronic parts and hydraulic parts. Three shafts are tracking shaft, cutting feeding shaft, saw blades rotating shaft, this three shafts are controlled by its special motion controller, servo motor driving operatiing, and the parameters are entered through LCD touch screen, also working condition can be visible checked from touch screen. The saw blades of cold saw using the high speed steel, and the cold saw can run synchronous while the pipe mill line producing; the CNC system of the cold saw can ensure the cutting speed and position accuracy, the cutting head(with saw blade) feeding and rotating speed can be adjusted by CNC program according to the technological requirements.
6. Rollers
Rolls for welded pipe will be ordered additionally according to type and specification provided by customer. Material: Cr12
Please feel free to contact for more information.
Model List
| Model |
Round pipe mm |
Square pipe mm |
Thickness mm |
Working spead m/min |
| ERW20 | Ф8-Ф20 | 6x6-15x15 | 0.3-1.5 | 120 |
| ERW32 | Ф10-Ф32 | 10x10-25x25 | 0.5-2.0 | 120 |
| ERW50 | Ф20-Ф50 | 15x15-40x40 | 0.8-3.0 | 120 |
| ERW76 | Ф32-Ф76 | 25x25-60x60 | 1.2-4.0 | 120 |
| ERW89 | Ф42-Ф89 | 35x35-70x70 | 1.5-4.5 | 110 |
| ERW114 | Ф48-Ф114 | 40x40-90x90 | 1.5-4.5 | 65 |
| ERW140 | Ф60-Ф140 | 50x50-110x110 | 2.0-5.0 | 60 |
| ERW165 | Ф76-Ф165 | 60x60-130x130 | 2.0-6.0 | 50 |
| ERW219 | Ф89-Ф219 | 70x70-170x170 | 2.0-8.0 | 50 |
| ERW273 | Ф114-Ф273 | 90x90-210x210 | 3.0-10.0 | 45 |
| ERW325 | Ф140-Ф325 | 110x110-250x250 | 4.0-12.7 | 40 |
| ERW377 | Ф165-Ф377 | 130x130-280x280 | 4.0-14.0 | 35 |
| ERW406 | Ф219-Ф406 | 170x170-330x330 | 6.0-16.0 | 30 |
| ERW508 | Ф273-Ф508 | 210x210-400x400 | 6.0-18.0 | 25 |
| ERW660 | Ф325-Ф660 | 250x250-500x500 | 6.0-20.0 | 20 |
| ERW720 | Ф355-Ф720 | 300x300-600x600 | 6.0-22.0 | 20 |
