YJ-114 High-frequency Welded Pipe Mill:

The Technological Process:

Moving coil→setting coil→uncoiling→shearing and butt welding→horizontally guiding→feeding→storing→discharging(electric control system and hydraulic system)→forming→welding→sizing→flying saw→run out table on the roll way.

The component of equipment

1.Double-head uncoiler:

The brake is controlled by cylinder and the model of cylinder is SC80X25FA.

(1)The max. weight of coil: 5T

(2)The inside diameter of coil: 440-510mm

(3)The strip thickness:5.0mm

(4)The max. width of coil: 400mm

2.Double-column hydraulic shearing machine:

(1)Steel strip width to be cut:≤400mm

(2)Steel strip thickness to be cut:≤5mm

(3)Cutting method: hydraulic cylinder power

(4)Pumping motor power: 5.5Kw

3.Storing device including spiral accumulator and cage accumulator, you can choose from them:

3-1. Spiral accumulator(ø5m):Including the following(1)-(5)

(1)Low overturn tray:

It is made up of bracket, level roller and vertical roller. Level roller supports strip steel auxiliarily, and vertical roller can adjust and guide the strip, it is suit for the bandwidth≤400mm.

(2)Flattening & feeding machine:

The rotation part includes gear box and universal coupling. The base is steel structure. It is suit for bandwidth≤400mm. With the pneumatic brake and the motor 18.5KW.

(3) Accumulator:

Used for storing, loading and unloading and driving the strip, made up of the power part, inside track, vertical roller, level roller, outside track blocking roller, feeding blocking roller. The rotation part includes motor, gear box and universal coupling.

(4)High overturn tray:

Comprised of bracket, level roller and vertical roller. It is suit for the bandwidth≤400mm.

(5) Electric control box:

3-2.Cage accumulator: Including the following (1)-(3)

(1)Feeding machine:

The two-axis clamping and feeding type feeding machine is made up of driving, clamping, blocking roller. It is suit for bandwidth≤400mm.

(2)Material collecting cage:

Used for storing, made up of steel fence, steel railing, idler, level roller, and the chakpa of the mind.

(3) Electric control box:

The main original production and wearing parts of electronic equipment are in accordance with GB. Three-phase four-wire system.

4.The main motor of mill:

(1)Forming part: seven units gantry-type rollers

(2)Welding part: Solid-state high-frequency induction welding

(3)Cooling part: coolant cooling

(4)Finishing part: five units gantry-type rollers

The main technical parameter of pipe-making line

(1)Pipe diameter: φ60-ø120mm

(2)Pipe wall thickness: 2.0-5.0mm

(3)The electric motor: Forming part: 110Kw, Finishing part:132Kw.

(4)Level roller axle diameter: ø100, Material 40Cr

(5)Vertical roller axle diameter: ø70, Material 40Cr

5.Solid-state high-frequency:

(1)Model: GGP400-0.2-HC

(2)Input power: 3p, 380V, 50HZ

(3)Output power: 400KW

6.Computer controlled flying saw:

(1)Scale accuracy: ±3mm

(2)Scale length: 4-8m

(3)The max speed: 70m/min

(4)Saws movement: pneumatic(swinging)

(5)Use the circular metal saw blade

7.Discharging table:

Model: Conveyed on the rolling way, reversed pneumatically (with 3Kw, 6 classes motor )

The model and basic parameters: