Quotationfor Φ325-Φ1420mm Spiral Pipe Mill
1. Outline:
This pipe mill is used to process the stripinto required spiral steel pipe in line with relative national standard bygoing through uncoling, leveling, edge shearing, forming and welding. Pipeproduced can be used in different industries like low-pressure fluidtransportation, gas pipeline, electric&heat power pipe network, industrialand construction.
2. Technical performance andparameter:
Technical Data |
Strip Coil | Outer dia.: | Φ1200-2000 mm |
Inner dia.: | Φ610-760 mm |
Width: | 800-2000 mm |
Thickness: | 4-16 mm |
Material: | Q235 APIX70 |
Crescent bend: | ≤10/10000 mm |
Max. weight: | 25 t |
Steel pipe | Outer dia.: | Φ325-1420 mm |
Wall thickness: | 4-16 mm |
Length: | 8-16 m |
Spiral angle: | 40°-80° |
Units type: | Frontal swinging, center positioning. |
Welding | Welding way: | double-side submerged-arc automatic welding |
Welding speed: | 0.8-2.2m/min |
Inside welder: | DC-1500 |
Outside welder | DC-1500; AC-1200 |
Delivery speed: | 0.8-2.2m/min |
Foming way: | Three-roll bending,four row outside control roll sizing |
Dynamic parameter: | Voltage : | 220/380 v |
Tap water: | 0.2-0.4 Mpa |
Compressed air: | 0.4-0.6 Mpa |
3. Scope of supply:
uncoiling→coil peeling→pinching&leveling→electric side guide 1→ shearing& buttwelding→electric side guide 2→rotary shear→electric side guide 3→edge milling →electric side guide 4→plate surface cleaning→delivery machine→pre-bend and guide board→ forming→inside welding→outside welding→flying saw→pulling out→ deslagging(suction type)→check→repair welding→plasma cut end→Xray checking → hydrotesting→UTflaw detection of welding seam and parent metal→ beveling &end-facing→weighing,length measuring →marking→user checking→ collecting → warehousing
4. Scopeof supply for Φ325-Φ1420mm spiralline:
4.1host area (machinery, electric andhydraulic)
N/N | Description | Qty. | Remark |
1 | uncoiler | 1 |
|
2 | Head straightener&decoiler | 1 |
|
3 | Pinching&leveling machine | 1 |
|
4 | Electric side guide | 4 |
|
5 | Shearing& buttwelding | 1 |
|
6 | Plasma cutter | 2 |
|
7 | Buttwelding trolley | 1 |
|
8 | Rotary shear | 1 |
|
9 | Edge milling machine | 1 |
|
10 | Plate surface cleaner | 1 |
|
11 | Delivery machine | 1 |
|
12 | Pre-bend&guide board | 1 |
|
13 | Forming machine | 1 |
|
14 | Frontal axle | 1 |
|
15 | Inside welding device | 1 |
|
16 | Inside welder | 1 | DC1500 |
17 | Outside welding device | 1 |
|
18 | Outside welder | 2 | DC1500/AC1200 |
19 | weld flux transportation and recycle device | 1set |
|
20 | Weld flux dry and magnetic separation device | 1set |
|
21 | Rear axle | 1 |
|
22 | Flying saw cutter | 1 |
|
23 | Buried parts | 1 |
|
24 | Host hydralic system | 1 |
|
25 | Host hydraulic tubing | 1 |
|
26 | Host electric control | 1 |
|
4.2finishing area (machinery, electric andhydraulic)
N/N | Description | Qty. | Remark |
1 | 1800 T hydrotester (for the pipe with max. 12m length) | 1 |
|
2 | Beveling&end-facing machine | 1 |
|
3 | Plasma end-facer | 2 |
|
4 | Rotary carrier roll | 4 groups |
|
5 | Pipe pulling device | 36 |
|
6 | Active conveyor | 39 |
|
7 | Passive conveyor | 39 |
|
8 | Pipe dropper | 3 |
|
9 | Pipe receiver and puller | 8 |
|
10 | Finishing hydraulic system | 1set |
|
11 | Finishing hydraulic tubing | 1 set |
|
12 | Finishing electric control | 1 set |
|
13 | Bench | 17 pcs. |
|
4.3outsourced corollary equipment:
N/N | Description | Qty. | Remark |
1 | UT flaw detector | 1set |
|
2 | Manual UT detector | 1 set |
|
3 | X ray welding seam detector | 1 set |
|
4 | Weighing&length measuring equipment | 1 set |
|
5 | Marking equipment | 1 set |
|
6 | Laser seam auto-tracking system | 2 sets |
|
7 | Cables | 1 set |
|
5. Equipment introduction:
5.1uncoiler:
² function: Used to bear the strip coil, which rotate actively,to open the coil by coordinate with the shovel knife and feed the strip topinching&leveling machine
² construction: Composed of floating centerizeddouble-conehead frame, carrier roll assembly, shovel knife device and supportroll.
5.2Pinching&leveling machine:
² function:used to level the strip and feed it toshearing&buttwelding machine and the delivery machine
² construction:double-roll pinching, five-roll leveling. Pinchingroll is hydraulic lifting, leveling roll is turbine lifting
5.3Shearing&buttwelding machine:
² construction:is composed of frontal&rear pressing plate and the butt welding table thatcan be moved wholely
² function:tocut the plate end&tail off then to butt welding
5.4Electric side guide:
² construction:is composed of side guide and its base, of which, the side guide is screw guidetransmission that driven by motor
² function:To ensure the steel strip aligned with centerline
5.5 Rotaryshear:
² construction:iscomposed of two supports, on which equipped with the saw blade, to shearpassively.
² function:toshear the scrap edge of steel strip
5.6Edge milling machine:
² function:tomilling welding groove on strip edges
² construction:iscomposed of milling tool device, machine body and pressing roll device.
5.7Delivery machine
² function:tosupply feeding power for the whole unit
² construction:iscomposed of delivery machine body, speed reducer, coupling and motor.
5.8Pre-bend and guide board:
² function:topre-bend the strip edge and feed it into forming machine
² construction:iscomposed of pre-bending device and upper&lower guide board
5.9Forming machine:
² function:toforce the steel strip to bend into stated steel tube.
² construction:Three-roll forming, outside-control roll covers 1#, 2#, 3#,4#, 5#, 6#, 7# roll and its racks,and bases.
5.10Frontal axle:
² structuretype:is welded steel profile and steel sheet
² function:baseof all the equipments before forming and used to adjust the forming angle
5.11Rear axle
Issupport of all the equipments after forming, with fine-tuning function, to cutand output pipe
5.12Host buried partd:rails of host machine
5.13Flying saw
² structuretype:is composed of trolley and tope wheel assembly
² function:carrierof cutting pipe to length
5.14inside&outside welding device
Carrierof LINCOLN welding tool, used to adjust welding tool position
5.15Host hydraulic system:control mechanism of all hydraulic cylinder
5.16 Hostelectric system:control mechanism for both separate and linkage running of eachndividual machine
