HGF 150X10 7.5" Hf Welded Tube Mill 70x70-150x150mm

I.  Produce overview

 

HG254 high precision high frequency welded pipe production line is mainly to the square pipe size70x70-150x150mm,, thickness is from 2.0-10.0mm. produce the round pipe from 89-190mm with thickness 2.0-10.0mm, the square pipe size70x70-150x150mm,, thickness is from 2.0-10.0mm. This production line each unit equipment, full use of the domestic and foreign similar equipment, innovative design, full control with PC or computer control, advanced technology, convenient operation and maintenance, and reached the international level in the early ninety’s, for the domestic leading level.

 

• Raw material, Finished product, Process, and User configuration profile

 

1.:Raw Material Conditions

(1)Hot rolled or cold rolled steel strip (meet GB700-88,GB1591-88)

(2)δs Yield point ≤345Mpa , δb Tensile strength ≤610Mpa

(3)Thickness of strip :

1)Round pipe thickness:2.0-10.0mm

2)Square pipe thickness 2.0-10.0mm, Rectangle pipe thickness 2.0-10.0mm

(4)Steel strip width:280-600mm(±0.2mm)

(5)Steel coil inner diameter:Φ508mm ~Φ760mm (the buyer confirm finally)

(6)Steel coil out diameter:Φ1200-Φ2000mm (the buyer confirm finally)

(7)Max coil weight:15,000Kg

 

 

 

2.Pipe size range

(1)OD:

1)round pipe: φ89-φ190mm,

2)square tube: 70X70-150X150mm,

(2)Product thickness:

1)round pipe:2.0-10.0 mm

2)square and rectangular pipe :2.0-10.0mm

(3)Length:6-15M

(4)Speed:20-50m/min

3.Product process

Raw material (strip) - Uncoiler - Cutting and Welding- Feeding - Storage material - Passive leveling - Forming rolling--High frequency welding - Remove the weld burr -Cooling -Sizing-- Coarse straightening - Length cut - Collection

 

4.Product precision:

Pipe out diameter tolerance: ±0.1mm

 

5.HF welder power:

600KW

 

The main equipment introduction

1.Loading car

 

 

Coil out diameter	Φ1200-2000mm
Strip width	280-600mm
Strip weight	Max 15.0 TON
speed	5m/min

 

The loading car is used for make the steel coil from loading position to uncoiler. At the same time lift oil cylinder, so that the steel coil inner hole is accurately set on the mandrel of the uncoiler, the uncoiler tension, push back to the original position.

 

2.One mandrel hydraulic Uncoiler

 

 

 

(1) Structure:  One mandrel hydraulic uncoiler

(2)Specification

Coil out diameter	Φ1200-2000mm
Coil inner diameter	Φ508mm~Φ760mm
Strip width	280-600mm
Strip thickness	2.0-10.0mm
Strip weight	Max 15.0 TON
Expand type	hydraulic expand
Drive motor	4kw, 380V
mandrel rotation speed	Nmin=1r/min

3.Straight head machine

 

The equipment is used for lead steel strip into leveler smoothly.

There are pressure arm, shovel head composition. Gantry type, up and down uncoil

4. Pinch leveling machine

 

(1)This machine is used for leveling the steel strip head and end, makes it easy for shear and welder.

(2)Leveling motor:15KW

(3) Pinch roll diameter: Φ210x900mm, roll material :40Cr,

(4)Leveling roll diameter: Φ160x900mm, roll material :40Cr,

(5)Leveling width:280-600mm

(6)Pinch/Leveling thickness:2.0-10.0mm

(7) Pinch/leveling Speed :0-11M/Min

5. Semi-automatic shear and welder

 

 

(1)Use for shear and welding the steel strip head and ends, ensure the tube mill continuous product.

(2)Steel strip thickness: 2.0-10.0mm

(3)Steel strip width: 280-600mm

(4)Steel strip strength:

δs Yield point ≤345Mpa δb Tensile strength ≤610Mpa

(5)Cutting type: hydraulic

(6)Compress type: hydraulic

(7)Welding type: welding by motorizing move

(8)Brand: shanghai Co2 welder

(9)Hydraulic working pressure:10Mpa

(10) Blade material: H13

6.Horizontal accumulator

 

(1)This machine is between shear welder and host (forming sizing mill) ,use for after a roll of strip steel are used up, before the next roll strip since prepared from uncoiling, shearing and butt welding time to ensure that the host (forming sizing mill) continuous production and store enough strip steel.

 

(2)Motor brand: WANGPAI

 

(3)This unit is main include in press& carry material device, accumulator assemble, carry off material unit, electric control unit.

 

1)Press & carry material device

 

Press & carry material device: It is main include frame, electric motor, brake unit, circling direction transfer power axle of the reduce velocity, press & carry roll, pressure air system of guide roll, inspected velocity unit; it can supply the strip steel to accumulator and the mean times it will transfer the carry velocity information to electric control system, when we demand stop carry the material to this unit, it will stop roll to the electric motor and press& carry material roll by the break, and also could adjust the velocity to carry electric motor and the unit carry material velocity.

 

2) Accumulator frame assemble

 

Accumulator frame assemble: include the electric motor, frame , inner circle roll, out circle roll and pressure roll. It can be used to storage the strip steel material from press& carry unit and it could be draw from the center send-off material roll.

 

3)Send-off material device

 

Send-off material device: include frame, guide direction rolls, guide out roll of high or lower place. It can carry the strip steel to shape system and send the carry out material velocity information to electric control device.

 

 

 

(4)Specification:

1)Diameter: 12000mm

2)Steel coil thickness:2.0-10.0mm; width:280-600mm

3)Carry material going velocity:Vmax=100-120m/min

4) Feeding motor power: DC 90kw Z4-200-31 (maker:WANGPAI)

5)Accumulator body motor power: AC 11KWX16 

6) Storage length:500-1000M

• Forming and sizing mill

1)Rough forming (Break-down, Cluster) :

 

Feed flat roller, Feeding, Feeding, Five roll passive leveling, Horizontal, Horizontal, Vertical, Horizontal, Vertical, Horizontal, Vertical, Vertical, Vertical

 

2)Refined forming (Fin-pass)

 

Horizontal, Vertical, Horizontal, Vertical, Horizontal, Vertical

 

3) Welding work table

 

Guide roll, Four roll squeeze, Mechanical scraping, Polishing roll.

 

4 Cooling water table

 

5) Sizing machine

 

Vertical, Six universal stand, MR , Two set turkey head

 

 

8. Milling saw

 

1.1Pipe material:Q235,Q355

 

1.2Round: 89-190 mm, Thickness:2.0-10mm

Square:89-190 mm,Thickness:2.0-10mm

 

1.3 Max.line speed: 50m/min ( Cutting length is 9 m,the pipe OD is F70mm, and the wall thickness is 3.0 mm.)

 

1.4 Production direction of pipe line:

1.5Heigth of the line:

The height from the floor to the bottom of the pipe: mm

The height from the surface of the sizing part, which is to install the speed-measuring device, to the bottom of the pipe:

The size of the place where the speed-measuring roller will be installed:

1.6Pipe cutting length: 6000～15000 mm

 

1.7 Cutting precision: ±2 mm (Requirement for line speed instability for rolling mill≤2%)

 

1.8Quantity of burrs: Max: 0.2mm

 

2.1Adopt servo motors.

 

 

 

10.600kw High frequency welder:(sanzheng)

Supply list

600kW solid state HF welder (1 unit)	Switchgear rectifying cabinet	1
	Inverter output cabinet	1
	Console(with PLC)	1
	Connecting optical fiber	1
	3-D positioning table	1
	Air conditioner	1
	Water-water Cooler	1
DC drive	TSK-500/440-LS	3