Welcome to get the high quality erw63×2.5mm hf welded pipe making machines line from us. We are one of the leading China manufacturers and suppliers of various manufacturing machines. Welcome to check the price list and the quotation with us.

1?Summary

       ERW63 solid straight welded pipe mill line is used for producing welded pipe with diameter between F16mm to F63mm and thickness between 0.6mm to 2.5mm and also some square and rectangular pipe. Each machine on this mill line adopts the technology based on many scientific research achievements at home and aboard, and we make some innovative design according to national condition. Not only high automatic, convenient  operation and maintenance, the design of our produced machines is in leading position in China, the structure and precision of our machines is in the advanced level all over the world.

2?Main parameters of our mill line

2.1 The size of output pipes:

       Material:  Q195  Q215  Q235

       Round pipe:                             F16~f63mm

       Square pipe:     20×20mm~50×50mm and size of rectangular tube accordingly

       Thickness:                             0.6~2.5mm

       Length:                                6~9m

 Forming speed                          80~100m/min

2.2 The size of steel coils (Raw material):

  Cold/hot steel coils after slitting

OD of steel coils:                 Ø1300~ Ø1500mm

ID of steel coils:                  Ø570mm~ Ø610mm

Width of coils:                   50~200mm

Weight:                         max 4mt

Material:            Normal low carbon steel        s ?=400MPa

2.3 Welding

The method of welding:              Induction welding

Solid HF power:                    250KW

Welding speed:                     80~100m/min

3?Technical process of production

Decoiling-Shearing and end welding- Vertical accumulator- Forming- Welding- Water cooling- Sizing- Setting length FS cutting- Runout table one- Straightening- Runout table two- End facing- Packing

4?Machines Supply and Price offer

5?Brief introduction of main facilities (The following photos are just for reference, can not be the basis of checking)

5.1 Double drum decoiler

Function: Double station decoiling

The expansion way of expansion drum: Pneumatic

The rotation way of expansion drum: Be driven

   Braking mode: Mechanical

5.2 Spiral accumulator

Storage capacity: 500m

Feeding speed: 15—200m/min

Diameter: 4.2mm

5.3 Forming stands

Function: Bend the steel strip into required section shape.

Horizontal roll stands: 7 stands

Vertical roll stands: 7 stands

Diameter of horizontal roll:  Ø60mm, operating side bearing: NU212; Gearing side: 3512; Material 40 Cr.

Vertical roll diameter:        Ø35mm

Material:40Cr             Bearing:6307

Horizontal roll bottom diameter:            Ø147mm

Forming speed                 80—100m/min

5.4 Welding device 

 Function: HF weld the formed strip into closed pipe and cut the bead

   This device is consist from two-roll guiding stand, two-roll squeezing stand, outer bead cutter (bullet type) and two-roll polishing stand.

5.5 Cooling tank

Cooling length: 3000mm

Cooling method: Spraying 

5.6 Sizing stands

Horizontal roll stand: 5 stands

Vertical roll stand: 4 stands

Diameter of horizontal roll:  Ø60mm;

Operating side bearing: NU212

Gearing side bearing: 3512

Material 40 Cr

Diameter of vertical roll:           Ø35mm

Material:40Cr                   Bearing:6307

Four-roll straighten stand:          Two stands

Sizing speed:                    80—100m/min

Motor power for forming and sizing:  Z4-250-31 132KW  1set,  

Rotating speed: 1000 rpm-2000rpm

5.7Gearing

It is consist from main reduce-speed box and gearbox   

Main reduce-speed box adopt ZLY mode, hard surface.

   Gearbox take arc-umbrella gear, M=10. It has steady transmission and good anti-overload capacity, also long service life. The material of this is 20CrMnTi. Gear shaft use auto car drive shaft. Main reduce-speed box adopt ZLY mode, hard surface.

5.8 Computer flying saw

Function: Cut the continuous pipe into required length

Method: By FS cutting-off machine

The accuracy of length: 0-6mm

Length: 6-9m

Diameter of cutting saw blade: Ø450mm

Motor for cutting: 15KW

Motor for dragging: 22KW

5.10 Run out conveyor

Function: After cutting, transfer the pipe to bundling machine

5.11 Pipe bundling machine

Function: Line up the pipes and bundle the pipes into square or hex shape.

Pipe size: F16~F63mm or size of square pipe accordingly

Pipe length: 6-9m

6?Delivery

Three month after the contract coming into power

7?Electrical power parameter:

Voltage: AC 380V, three phase

Power: AC 220V, DC 24V        Frequency: 60HZ

Installed capacity: 400KW

8?When this contract come into effect, following technical papers will be provided

8.1 Operation and maintenance manual

8.2 Blueprint of total and parts drawings

8.3 Hydraulic system blueprint

8.4 Electrical system blueprint

8.5 Mill foundation drawing