ERW32 high precision steel tube mill production line
The mill is used to manufacture of round pipe of Φ12mm-Φ32mm with thickness of 0.5mm-2.0mm from cold-rolled and hot-rolled coil strip by means of unclosed tubular blank with its subsequent welding into tube, edge heating by means of solid state high-frequency welder, longitudinal seam welding in rolls of tube welding machine, cooling, further sizing or shaping and on-stream cutting of endless tube in measured lengths.
Product advantage:
- High precision
between level roller jumps 0.01,between frame and slide clearance ≤0.02, frame vertical degree ≤0.05, each frame parallel degree ≤0.1,steel pipe diameter and roundness error≤0.08 - Use Japanese technology to make foreign clients requirment who need the high accuracy requirement
- Schedulable use the worm gear and worm adjustment, the adjustment precision is high, energy accurately
- The scraping scar can be adjusted 3D adjustment , scraper can along the steel circle ±20 ° rotation.
- Round become square is Turkish head push square, can reduce mold weight, forming stable, uniform R Angle.
- Level up shaft increase nylon damping block, reduce the impact to the shaft and bearing.
Production Process
Scroll up → Uncoil → Flattening → End Shear & Butt Welding → Accumulator → Forming → High-frequency induction welding→ Removing external burr → Cooling → Sizing → Cutting → Checking & Collecting → Accessing Warehouse
Specifications:
1. Raw Material: HRC, CRC, Galvanised Coil
2. Production Range:
Round Pipe: 12 - 32mm; Thickness: 0.5-2.0mm
Square Pipe: 10*10 - 25*25mm; Thickness: 0.5-1.5mm
3. H.F. Welder: GGP150Kw Solid State High Frequency Welder
4. Line Spees: Max. 120m/min
5. Tube Length: 4-12m
6. Cutting Accuracy: ±3mm
7. Electric installed capacity: appro. 300KW
8. Size of whole line: about 50X5m
High‐frequency welded tube mill line is designed to produce round tube diameter of 8.0 – 32.0mm, and wall thickness of 0.4 ‐1.6mm.This line utilizes roll forming to process steel strip into various shapes. Using high frequency induction heating, this line is capable of producing section material of various diameters and sizes by squeezing weld seam together into closed shape. The application of advanced aperture technology, PLC automatic control system and British Eurasia Digital speed‐regulating unit ensure that the production line works reliably and operates and maintains easily.
Coil loading—Uncoiling‐Strip joining—accumulator—Forming,‐HF Welding–Bead Remover ‐Cooling—Sizing & straightening‐Measuring roll—Flying saw cutting—Double dumps Run out conveyor
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