Dongguan HOOHA Electrical Equipment Company Limited
Make wire and tube business easy.
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114 Tube mill Line
High‐frequency welded tube mill line is designed to produce round tube diameter of 25.4 – 114 mm, and wall thickness of 0.8 ‐4.0 mm. 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.
| Specification | |
| Raw material | Carbon Steel, Cold or Hot Rolled pre slit strip coils of weld able grade with max. 0.2% carbon. |
| Round tube O.D. | Min 25.4mm, max.114.3mm |
| Wall thickness of Round | Min.0.8mm, max.4.0mm |
| Square tube | Min 20x20mm, max90x90 mm |
| Rectangle tube | Min 20x30mm, max60x120 mm |
| Wall thickness sq & rec. | Min.0.8mm, max.3.5mm |
| H.F. welder | Solid state,300 kW |
| Line Speed | Max 80 m/min |
| Tube length | 5 – 12 m |
| Tube length accuracy | ±2mm per 6m length |
Coil loading—Uncoiling‐Strip joining—accumulator—Forming,‐H.F. Welding–Bead Remover ‐Cooling—Sizing & straightening‐Measuring roll—Flying saw cutting—Run out conveyor