Product List

ERW Tube Mill Line

I、SUMMARY
With the introduction of advanced technology from America, Japan, Italy etc, Our HG series Precision High frequency straight seam welding pipe produce line with well distributed in craftwork, high productivity, easily operated and equipments are of reliable quality, and achieved automation on a high level. All of which obtained high praise when they had been tested and purchased by clients from more than 20 countries and regions.
The accurately sized strip, precut from high quality hot-rolled or cold-rolled steel coil strips in slitting machine, are fed into the tube mill, gradually formed to a round profile with open seam along its length in the forming mill. A high-frequency induction welding technique is adopted to seam edge heat and longitudinal seam weld, form a strong continuous seam joint. The strip is continuously seam welded while round in shape. The welded pipe passes through and external bead scarfing and cooling, further sizing and shaping to round or square or rectangular section with specified tolerance in the sizing mill. After that, the endless welded pipe will be on-stream cut to desired and measured lengths. Finished tubes may be of round, square or rectangular shape. B.S- 50z type precision high-frequency straight seam welding mill line is specialized equipment to produce small pore diameter high frequency straight seam welded pipe for medium-pressure pipe and structural pipe and industrial pipe withΦ16-Φ50.8mm and wall thickness of δ0.7-2.5mm Through optimization design, best materials choice, and accurately fabrication and rolls, the whole line can be reached high precision and high speed. Within suitable range of pipe diameter and wall thickness, pipe production speed can be adjusted.

General Processing

{Steel Tape}→→ Double-head un-coiler →→Strip-head shear & Butt welder station→→Horizontal spiral loop accumulator group→→ Forming mill(Main driving unit + Flattening unit & Feeding guide + Break down zone + Fin pass zone →→ Seam guide stand + High frequency induction welding system +Squeeze roll welding stand + External bead scarfing + Seam ironing stand)→→ Emulsion water cooling section →→ Sizing mill (Main driving unit + Sizing zone + Speed testing unit + Turk heads straightener + Guide roller) →→ Flying saw under computer-control →→ Run-out table.

Technical specification and Scope of supply

A) CAPACITY
1. Pipe Size OD : Ø 16mm – Ø 50.8mm 2. Pipe Thickness: 0.7mm – 2.5mm 3.

Roller : 22.2mm, 25.4mm, 31.8mm 3 Set 4. Applicable Material: HR/CR Low carbon

steel strip coil and low alloy steel strip coil SPCE、SPCD、St14、08AL、

SEA1006~1020 and so on of 0.002~0.08% carbon content. σb≤600Mpa,σs≤315MPa

:0.002∽0.08%, σb≤600Mpa, σs≤315MPa 的 3 SPCE、 SPCD、 St14、08A L、

SEA1006~1020 5. Pipe cutting Length : 6.0m – 12.0m 6. Length Tolerance : +/-

2mm 6. Design 7 speed 1500rpm: Max.80 m/min Flux-weakening control, motor speed

2300rpm: Max.120m/min 1500rpm——————Max.80m/min 2300rpm 时——Max.120m/min

8. Mill welding speed : 30~110m/min B) SCOPE of SUPPLIES 1. SEMIAUTOMATIC

DOUBLE-HEAD UN-COILER 1.1. Mandrel expansion by pneumatic 1.2. Mandrel position

rotation shall be manual 1.3. Pneumatic brake 1.4. Parameters: - Expand stroke

: Ø 420- Ø 520mm - Coil ID: Ø 508mm - Coil width: 50mm-160mm - Coil OD : Max.Ø

1800mm - Coil weight : Max.2.5 metric tone - 2. SEMIAUTOMATIC PNEUMATIC SHEARER

and TIG BUTT WELDER STATION 4 2.1 Pneumatic shearing by manual - Cutting by

Pneumatic system 0.5~0.7Mpa - Strip width : ≤160 mm - Strip thickness : ≤2.1

mm 2.2 Auto Butt welding by PLC control PLC - TIG 200A IGBT - Welding speed:

75~500mm/min, AC inverter speed adjuster - Welding current : 15~200A 3.

Horizontal spiral loop accumulator group 3.1 Strip width : 50~200mm 3.2 Strip

thickness : 1.0~2.5mm 3.3 Low bracket : 1 set 3.4 Revolver : 1 set 3.5 7

rollers Flattening unit 7 : 1 set 3.6 2 rollers feeding 2 : 1 set - Feeding

motor : AC 11Kw - Feeding speed : Max.150m/min 3.7 Accumulator : 1 set - Loop

size : Ø 4200mm - Push roll units for prevent narrow strip turning: 3 sets,

120º equispaced - Run out speed : Max.60 m/min - Storing capacity : 1500~2000

m(For Φ31.8*1.5mm strip) - Driver motor : AC 15Kw - Main gear decelerators :

Carbide-faced cylindrical gear 3.8 High bracket : 1 set 4. MAIN MILL(Forming &

welding & sizing section,Double DC Motor drive) 5 4.1 FORMING SECTION : - Main

DC motor : SIMO- Z4- 75Kw/1500rpm*1set Z4-75Kw - Main gear decelerators : ZLY

type-Carbide-faced cylindrical gear - Secondary gear box : 7sets,2pcs output

axis type, with spiral bevel gear and circular gear - Material of gear box:

HT250 cast iron - Material of spiral bevel gear : 20CrMnTi - Universal joint:

7sets - Unpowered entry flattener : 1set(with 10pcs spindles) - Feeding

guide stand 1set - Driven stand : 7sets (Horizontal) - Driven stand shaft: Ø

50mm - Material of shaft : 42CrMo - Side roll stand : 8 sets(Vertical)- Side

roll stand shaft : Ø 40mm - Material of shaft : 42CrMo 4.2 WELDING SECTION : -

Three-dimension seam guide stand : 1 sets - Squeeze stand : 1 sets(Vertical)

- De-burr frame : 1 set - Zinc spray patching for welded seam : Reserves zone -

Seam ironing unit : 1 set - Emulsion cooling tank length : 3000 mm 6 4.3 SOLID

STATE HIGH FREQUENCY WELDER 4.3.1 Character of solid state induction system :

a) Output power :HF-250Kw b) ―SIEMENS‖ -S7-PLC200, ―EVIEW‖ LCD operation

pane PLC、EVIEW c) Use ―Germany IXYS‖ or ―America IR‖ MOSFET solid state

tube IXYS IR MOSFET d) Frequency range is 300-350KHZ.300~350KHZ e) Induction

welding f) With air-water cooler for welder g) With air conditioner for

inverter output cabinet 4.3.2 Ambient condition  Installed indoors,

grounding well, keep the color of grounding line distinctive from other lines,

the cross section of line should be >4mm2,grounding resistence should not be

over 4Ω。 Altitude should not be over 1000m,or the rating should be lowered

Ambient temperature : 5~40℃  Relative humidity : less than 85%  No intense

vibration, no corrosive gas and explosive gas Installation gradient:

less than 5º  Good ventilation 4.4. SIZING SECTION : - Main DC motor : SIMO-

Z4- 75Kw/1500rpm*1set Z4-75Kw - Main gear decelerators : ZLY type-Carbide-faced

cylindrical gear 7 - Secondary gear box: 6sets, 2pcs output axis type, with

spiral bevel gear and circular gear - Material of gear box : HT250 cast iron -

Material of spiral bevel gear: 20CrMnTi - Universal joint : 6sets - Driven

stand : 6sets (Horizontal) - Driven stand shaft : Ø 50mm - Material of shaft :

42CrMo - Side roll stand : 6 sets(Vertical) - Side roll stand shaft : Ø 40mm -

Material of shaft : 42CrMo - One set of speed tester with air cylinder and

encoder for CNC flying saw. - Two sets of single Turk’s head

- One set of vertical stand with 2rolls for guide and absorber 4.5 LUBRICATE POOLS & SUPPLY SYSTEM for MAIN MILL: Customer ready

5. FRICTION CNC FLYING SAW -

Pipe Size OD : Ø 16 –Ø 50.8mm - Pipe Thickness : 0.7 – 2.5mm

- Cutting length : 6~12m - Length tolerance : +/- 2mm - Length

of body : L=3500mm - Cutting speed : Max.120m/min - Motor for

travel : DC 11KW, ―SIMO‖-Z4 /1500rpm / 8 - Drag decelerators

: ZLY type-Carbide-faced cylindrical gear decelerators

- Saw carriage travel : Rack and pinion with gear lath -

Motor for sawing : AC 11.0KW - Saw cut : Pneumatic -

Pipe clamp: Pneumatic (Will input Φ31.8mm clamp) - Saw disk

: OD500mm×ID70mm×2.5/3.0mm 6. DOUBLE SIDE TRIANGLE KICK OUT TABLE

- Type : Roller chain conveyor - Structure :

Welding frame - Driving of rolls : Chain with AC4.0Kw motor

- Length of conveyor : App. 18 m - AC1.1Kw step motor

turn the 120ºequispaced triangle star forks kick out the pipe 7. MILL ELECTRIC 7.1 Horizontal spiral loop

accumulator group
- AC driver . 7.2 DC drive and control for main mill

- DC drive, PARK(Eurotherm)SSD-591 - Main DC drive

panel control (instrument etc.) - Mill operation panel (speed

adjustment, control etc) 7.3 Flying cut-off control system - Saw carriage drive by DC motor 11KW, CT-01 micro-computer (with PARK

(Eurotherm)SSD-590 and ―American TI‖ 32bits DSP chip)

CT-01 - ―EVIEW‖ 5.7 inch LCD

operation pane 9 (length and batch setting ,control instrument etc) 5.7‖ LCD

- OMRON encoder

ERW Tube Mill Line

  • Manufacturers and exporters of carbon, black, ERW galvanised pipes and tubes, plain end casing pipes, as well as cold rolled sheets and coils. Delhi, India.
  • India. Manufactures wide range of equipment for production of pipes and tubing. Includes tubes mills and entry lines, as well as machines for cutting off, straightening, galvanizing, end facing, and slitting.
  • Sells and buys used steel processing and metal fabricating equipment. Inventory includes rolling mills and roll formers, tube and pipe mills, banding and slitting lines, levelers and straighteners, and coil processing equipment.
  • ERW Pipe Mill Line

  • Manufacturers and exporters of carbon, black, ERW galvanised pipes and tubes, plain end casing pipes, as well as cold rolled sheets and coils. Delhi, India.
  • Sells pipes, tobacco and cigars. Includes the Magic Inch, accessories, and their own line of pipes.
  • Buys and sells new and used structural steel pipe piling products (seamless, spiral, ERW, DSAW and others) throughout North America.
  • Tube Mill Line

  • India. Manufactures wide range of equipment for production of pipes and tubing. Includes tubes mills and entry lines, as well as machines for cutting off, straightening, galvanizing, end facing, and slitting.
  • Sells and buys used steel processing and metal fabricating equipment. Inventory includes rolling mills and roll formers, tube and pipe mills, banding and slitting lines, levelers and straighteners, and coil processing equipment.
  • Control line and coiled tubing for the oil and gas industry including welded and seamless coil and instrumentation stick tubing for subsurface valves and chemical injection lines.
  • ERW Tube Mill Line