High Precision Automatic Customized ERW Pipe Mill Line

Product Description

High Precision Automatic Customized ERW Pipe Mill Line
The steel coil after slitting is unfolded and leveled. Then, they are sent into forming machine. Used the roll, the coil is bent into pipe state. The edge of the steel coil is melted by making use of the proximity effect and skin effect of high frequency current. Then, the coil is extruded and welded into the pipe by extruding roller. Then, the final pipe is manufactured out after the IF annealing and cut to length. API grade ERW pipe mill is mainly used for producing the high-grade pipe such as oil and gas delivering and casing pipe in the oil well. These high-grade pipes strictly require the pipe material and pipe quality. The API grade ERW pipe mill has IF annealing, air cooling roller, UT detector, high pressure hydrotester and other detect equipment.
The forming styles of ERW pipe can be divided into roll forming, flexible forming, full auto flexible forming. The mill developed by our company adopts roll forming when producing small diameter pipe (Φ≤114). Flexible forming or fully automatic flexible forming is adopted when producing large diameter pipe (Φ≤711).
In recent year, our company developed the precise control forming. The advantage of this kind forming is to guarantee the excellent forming quality in rough forming section through the precise control. Then it is no need to have the repair management in precise forming section. Therefore, the precise forming machine does not need to change the roll. All the forming section does not need to change the roll, which solves the problem of the change in precise forming section and non-change in rough forming section. Therefore, it saves the roll investment and decreases the time of roll changing. Besides, during the diameter changing, all are controlled by computer. The roll will automatically reach the position by inputting the pipe diameter, pipe thickness, material and other parameters. It largely improves the mill efficiency and pipe qualified rate. This forming method is suitable for large pipe mill (219mm to 711mm), which saves the investment and improves the efficiency.
Models:

No.	Model	OD (mm)	Speed (m/min)	Thickness (mm)	Capacity (kw)	Area (M2)
1	HNZF-114	Φ50 - Φ114	10 - 90	2.0 - 9.0	700	18×120
2	HNZF-127	Φ50 - Φ127	10 - 90	2.0 - 9.0	700	18×120
3	HNZF-140	Φ60 - Φ140	10 - 90	2.0 - 10	750	18×120
4	HNZF-165	Φ76 - Φ165	10 - 80	2.0 - 10	800	18×150
5	HNZF-219	Φ89 - Φ219	10 - 60	3.0 - 14	1000	24×200
6	HNZF-273	Φ89 - Φ273	10 - 60	3.0 - 14	1200	24×200
7	HNZF-325	Φ140 - Φ325	10 - 40	4.0 - 16	2500	24×300
8	HNZF-355	Φ14 - Φ355	10 - 40	4.0 - 16	2500	24×300
9	HNZF-406	Φ165 - Φ406	8 - 30	4.0 - 16	3000	24×400
10	HNZF-426	Φ165 - Φ426	8 - 30	4.0 - 16	3000	24×400
11	HNZF-508	Φ219 - Φ508	8 - 30	4.0 - 20	5000	30×400
12	HNZF-610	Φ273 - Φ610	8 - 30	4.0 - 22	7000	30×400
13	HNZF-630	Φ273 - Φ630	8 - 30	4.0 - 22	7000	30×400
14	HNZF-660	Φ273 - Φ660	8 - 30	4.0 - 25	7000	30×400
15	HNZF-711	Φ325 - Φ711	8 - 25	5.0 - 25	10000	30×600

Production Process:
Packing & Shipping
1. We use steel wire and wooden frame to fix the pipe mill.
2. In addition, used shockproof film to protect the main motors.
3. We use containers for shipping.
4. Generally speaking, we start at Tianjin sea port, but we also can start at other port according to customers need.
Our Factory
Our Customer
Integrated Services
1. Provide customers with a reasonable investment plan, filter the appropriate models recommended to customers.
2. Free equipment drawings, customer plant equipment planning drawings.
3. Provide the base map required for installation free of charge.
4. Provide equipment installation and commissioning until the buyer operates normally.
5. Provide professional technical training, as soon as possible to allow the buyer's operator to master the operation and use of the equipment.
6. Provide and coordinate auxiliary equipment, accessories, and consumables.
7. The warranty period is one year, except man-damage. If you have any question in operation in operating the machines, you can call us or send emails, we will solve the problem for you asap.

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