API Standard Front Swing Spiral Welded Pipe Mill

Product Description

Front Swing Spiral Welded Pipe Mill
The steel coils are unfolded and leveled by the mill equipment. And they are sent to the forming machine in a certain angle. Supplemented by a certain angle, the continual pipes are formed in the principle of three-roll rolling machine. Continual spiral welding is welded by submerged-arc welding machine. When the uncoiling, coil detaching, leveling, steel cutting and welding are working, the host machine needs to stop and wait. After the steel welding finishing, the host machine starts to work again. The front-swing spiral welded pipe mill adopts intermittent production method with advantages such as low investment, and simple convenient.
According to the different function of our products, the front swing spiral welded pipe mills are divides in to API model and standard model. API model mainly produces the delivery pipe with petroleum or natural gas (long distance). The material and quality of the steel pipe need to be very good. The requirements for mill equipment and testing equipment also are very high. The standard model produces the pipe used for short distance delivery of natural gas or water, the pipeline construction in the city, the structure pipe, column pipe and so on. The requirements for the material and quality of the coil also are very high.
This mill is our company's most advanced model, with the following new technology.
A. Forming Machine Automatic Adjustment System
The adjustment of the molding machine adopts database and computer automatic control technology. When changing specifications, it is necessary to adjust the front axle angle, the six-component roller angle, the six-group roller position, and the welding pad roller angle. The previous adjustment work was done by experienced workers, basically relying on workers' experience. In this way, it is easy to adjust improperly, resulting in more waste pipes, and a relatively large workload, which is very cumbersome. The angle and position of the front axle of the unit and the forming machine to be adjusted are controlled by the encoder. And according to the theoretical data in advance, a complete database has been established. When producing a certain specification of steel pipe, you only need to input parameters such as width, pipe diameter, and thickness on the computer, and all parts will reach the correct position by themselves and start production directly. This reduces adjustment work, reduces dependence on workers, and reduces waste steel pipes.
B. Uncoiler Automatic Centering
The uncoiler console of this unit is equipped with an "alignment" button. When this button is pressed, the double column head of the uncoiler will automatically align with the center line. In this way, the edge of the steel plate going in will be consistent with the center line of the unit, without adjusting the vertical roll. Improve production efficiency and reduce instability in the production process.
Model:

No	Model	OD (mm)	Width (mm)	Thickness (mm)	Capacity (kw)	Area (M2)
1	HNQLX-426	Φ219 - Φ426	300 - 600	3 - 14	200	24×200
2	HNQLX -529	Φ219 - Φ529	300 - 800	3 - 16	300	24×200
3	HNQLX -630	Φ219 - Φ630	300 - 1000	3 - 18	400	24×200
4	HNQLX -720	Φ219 - Φ720	300 - 1200	4 - 25.4	500	24×200
5	HNQLX-820	Φ219 - Φ820	350 - 1300	3 - 14	500	24×200
6	HNQLX -1020	Φ273 - Φ1020	350 - 1300	3 - 16	800	24×200
7	HNQLX -1420	Φ325 - Φ1420	500 - 1600	3 - 18	1000	24×200
8	HNQLX -1620	Φ426 - Φ1620	500 - 1600	4 - 25.4	1500	30×300
9	HNQLX -1820	Φ508 - Φ1820	500 - 2000	4 - 25.4	1500	30×300
10	HNQLX -2020	Φ508 - Φ2020	500 - 2000	4 - 25.4	1500	30×300
11	HNQLX -2400	Φ508 - Φ2400	500 - 2000	4 - 25.4	1800	30×300
12	HNQLX -3000	Φ610 - Φ3000	500 - 2000	4 - 25.4	1800	30×300
13	HNQLX -3500	Φ720 - Φ3500	600 - 2000	4 - 25.4	2000	30×300

Production Process:
Loading Coil - Uncoiling - Leveling - Cutting and Coil Welding - Edge Milling Machine - Feeding Machine - Pre-bending and Guide Board - Forming Machine-Internal Welding - External Welding - Tracking and Cutting Off - Pipe Pulling Out - Welding Seam Grinding - Pipe End Expander - X-Ray Inspection - Hydraulic Testing - Pipe End Facing and Beveling - Ultrasonic Inspection - Pipe End Take Photo - Weighting, Measuring, Marking - Finished Product Collection
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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