Check whether the unwinding tension is balanced and confirm that the guide mechanism and the loop tension control device are operating normally.

8 Inch ERW Tube Mill

ERW Carbon Steel Tube Mill

Machina Tubularis Molae Composita

Frigus Roll formans Machina

Steel Coil Slitting linea

Carbon Steel Coil Slitting Line

Ferro Coil secare ad lineam

Auxiliaris Equipment et parce Partibus

10inch 273mm ERW Pipe Faciens Machina

Tubus 10-inch ERW molendinum ad continuam et automatam productionem medii destinatur ad fistulas chalybeas magnas diametros iunctas. Ferrum flammula in tibias rotundos transformat per formationem, frequentiam glutino, inspectionem, et processum secans. Apparatus est valde efficax, firmus, et ad vires summus aptas, summus praecisio, organum ferreum fabricandi. Fistularum applicabilium genera sunt: fistulae structurales, fistulae fluidae, fistulae pressionis, fistulae strues, et tubulae ferri-propositae generales.

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Product Details

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Descriptio Producti

Fistularum applicabilium genera sunt: fistulae structurales, fistulae fluidae, fistulae pressionis, fistulae strues, et tubulae ferri-propositae generales.

Index Instrumentorum Supplementorum

Nec.	Nomen apparatu	Descriptio
1	Hydraulica Uncoiler Car	Transfert ferro gyros ad decoiler
2	Conus duplicatus hydraulicus Decoiler	Automatice volvitur et tenet gyros (usque ad XV talenta)
3	Tondendas & Butt Welder	Extremitates duorum ligat gyrorum ad continuum pastum
4	Accumulator (horizontalis)	Tensionem et buffering per continuam operationem
5	Molendinum formans (Rough / Medio / Finishing)	Paulatim flectit habena in rotundum
6	Summus Frequency Welding Unit	Solidae-statu seu IGBT ratio cum auto- onus matching
7	Interiorem / externa Burr Auftores	Tris commissuras internae et externae ad superficiem fistulam lenis
8	Refrigerium Section	Adjustable aqua imbre zonas pugillo et organo corpore refrigerationem
9	Sizing Mill	Exteriore diametro praecise et rotunditate tibiarum
10	Volans Videns (Hot/Milling)	Servo imperium in longitudinem anti-vibrationis mechanism cutting
11	Output Conveyor & Stacker	Adsimilat, acervos et fistulas ad packaging parat
12	Systema Moderationis Electricae	Centralized PLC+HMI interface, cum real-time magna
13	Hydraulic & Lubrication Unit	Systema cum automated oleum pressura et temperatus control potestates

2. BASIC DESIGN DATA

Designatio lineae propositae sequenti specificatione nititur:

Item	Precium
Pipe Diameter Range	Φ114mm – Φ273mm
Crassitudo muri	3.0mm – 10.0mm
Latitudo habena dolor	360mm – 870mm
Exue virtus	Q195 – Q345B or ≤600MPa
Celeritas Productionis	10–30 m/min
Potestas Supple	380V/50Hz/3Ph (solens);
HF Welding Power	300 – 600 kW (depends on thickness)
Methodus Soldandi	Solidum publica summus frequentia inductionis
Secans Type	Hot volans vidit / Frigidum vidit (servo-based)
Tolerantia Longitudinis	±3mm
Operator opus est	4–6 persons per shift
Line Footprint	Approx. 70m × 6m

Equipment Advantages

Stable Construction: Heavy-duty welded frame ensures long-term durability
Intelligent Control: Full PLC control with alarms, diagnostics, and remote support
Quick Changeover: Supports multiple profiles (round, square, rectangular)
Excellent Weld Quality: Precision-matched HF system ensures solid welds
Efficax Energiae: Inverter-controlled drives reduce power consumption by over 20%
Modular Design: Optional upgrades for stackers, cutting units, inspection systems

Welding Principle

Using high-frequency induction heating, the strip edges are rapidly heated to a plastic state, then squeezed together by pressure rollers to form a continuous weld.

Commoda: Smooth weld seam, small heat-affected zone, no filler material needed
Key Parameters: HF power adjustment, coil alignment, squeeze pressure
Burr Removal: Optional internal and external scarfing improves final product finish

Operating Procedure

Ensure all systems (electric, hydraulic, water) are operational
Load coil → Shear & weld → Accumulate strip → Forming & welding → Cooling → Sizing → Cutting
Check roll wear, blade sharpness, and induction coil daily
Monitor welding temperature, strip tension, and sizing output via HMI
Shutdown sequence: stop line → cut power → close water/air systems in order

Fluxus Lineae Productionis

{Steel Tape}→Coil car→ Uncoiler →Peeler and hold down roll→Flattener→ Strip-head Cutter and welder→Spiral accumulator→Forming section（Flattening unit +Main driving unit +Forming unit +Guide unit +squeeze roller）+ De-burr frame →→Cooling unit →→ Sizing unit and straightener →→Cutoff saw →→ Run-out table →→Straingtener machine →→Chamfer machine →→Hydro tester machine →→automatic package machine

tube making process

Selection Advice for Customers

- Define main product specs (e.g., Φ168, Φ219) when configuring forming stations
- Wall thickness range determines required HF power and saw type
- Export customers should specify voltage, control language, and certification needs (e.g., CE)
- Optional upgrades: online seam inspection, laser OD measurement, automatic stacking systems

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10inch ERW tube Mill FAQs

Pipe out-of-round

Reprehendo an tensionis explicatio aequalis sit et confirmet ducem mechanismum et tensionem tensionis machinae moderaminis operari normaliter.

Incomplete weld or slag

Low HF power or oxidized strip edges, Increase power, clean strip edges

Inaccurate cutting length

Servo system misalignment, Re-calibrate saw axis and encoder

Excessive burr

Worn scarfing blade or low pressure, Replace blade, increase pressure

Uneven pipe stacking

Conveyor sync issue or limiter fault,Adjust transfer and stopper units

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