Quotation for Ф630～1620mm Spiral Welded Pipe Line

1. Foreward:

This forming unit, designed and manufactured by ourinstitute after research and absorption of the advanced technology at home andaborad. It has been found to complete meet with the API-5LS standards byadvanced design, realible performance, light weight and less investment.

2. Technicalperformance and data:

2.1 Coilouter dia.: Φ1000-1800 mm

Inner dia.: Φ610-760 mm

Width: 680-1600 mm

Thickness: 4-16 mm

Material: Q235

Crescent: ≤10/10000 mm

Max.weight: 25 t

2.2 Pipeouter dia.: Φ630-1600 mm

Wallthickness: 4-16 mm

Length: 8-12 mm

Spiralangle: 45-75º

2.3 Unit model: frontal swinging, center positioning

2.4 Welding: double-side sub-merged arc automaticallywelding

Inside welder: single-wire DC-1500

Outside welder: single-wire DC-1500

Welding speed: 0.8-2.0m/mm

2.5Delivery speed: 0.7-2.6m/mm

Forming way:three-roll bending, four-row outside control roll sizing

2.6Annual output: threeshifts 20,000-40,000 tons

2.7Workshop dynamic data:

Voltage 220/380 v

Compressedair 0.4-0.6 MPa

Tap-water 0.2-0.4 MPa

3. Process:

coil peeler→pinching&leveling→electric verticalrollcut head&tail →buttwelding→electric vertical roll→rotary shear→scrapreeler→edge milling→electric vertical roll→ delivery→pre-bending&guideboard→forming→inside welding→outside welding→flying saw→pulling out→repairwelding→ beveling&end-facing →hydrotesting → X ray → finished product inspection→collecting

4. Scope of supply:

No.	Description	Qty.	Remark
1	Uncoiler	1 pc
2	Electric vertical roll device	3 sets
3	Pinching&leveling machine	1 pc
4	Cutting&buttwelding device	1 set
5	Rotary shear	1 set
6	Scraper reeler	1 pc
7	Edge miller	1 set
8	Delivery machine	1 set
9	Pre-bending&guide board	1 set
10	Forming machine	1 set
11	Inside welding device	1 set
12	Outside welding device	1 set
13	Fly saw machine	1 set
14	Frontal axle	1 set
15	Rear axle	1 set
16	Buried parts	1 set
17	Hydraulic system	1 set
18	Electric control system	1 set
19	Beveling&end-facing machine	1 set
20	Hydrotester	1 set
21	Assisted equipmentin finishing area	1 set

5. Mainequipment introduction:

5.1 Uncoiler:

Function: used to bear coile, double-coneheaddismounting, double carrier roll driving

Uncoiling way: AC motor

Centering way: hydraulicpressure

5.2Pinching&levelingMachine:

Function:level and forward the strip feeded by uncoiler

Structure:Composed of leveling roll , piching roll and the gears.

Pichingroll pressing way: oil cylinderdepress

Pinching roll transmission: double roll driving by AC motor

Arrangementof leveling roll: three above twobelow

Driving way og leveling roll: by AC motor

5.3 Electricvertical roller:

Function: Electrically align the stripand bidirection adjust, is used to regulate centerization and profile-guidestrip

Structure: composed of transmission device, vertical rolldevice and the pedestal, regualted by screw guide

5.4 Cutting&ButtweldingDevice:

Function:to cut plate end&tail, then align and buttweld them.

Structure: Composed of hydraulic shear,mobile device, machine body, frontal&back pressing plate

Trolleymoving way: oil cylinder stretching

Plate pressing way: hydraulic cylinder

Press-rolldepressing way: hydraulic cylinder

Cutting way: plasma cutting

Weldingway: semi-auto submerged-arc welding

5.5 Rotary shear:

Function: used to cut the raw edges of steel strip

Structure: consists of racks, carrying roll device andbase.

Adjustment ofblade clearance: turbine worm adjusting

Adjustment of blade overlap: by screw guide

5.6 Scrap edge winder:

Function: used to collect and wisp the scrap edge ofsteel strip

5.7 Edge milling machine:

Function: usedto milling welding groove to the strip

Structure:composed of milling head device, machi9ne body and pressing roll

Driving ofmilling toll: by ACmotor

5.8 Delivery machine:

Function: to provide power that forward the strip andcontrol forming speed

Structure: composed of transmission device, hard speedreducerand racks

Delivery speed: 0.6～2.8 m/min

Drivingway: by hard speed reducer,ACmotor

Speed control: AC variable frequency

5.9 Guideand pre-bending board:

Function:Unilaterally pre-bend the strip edge before moving into forming machine andprevent from curving and humping . Roller, with the protective function, canachieve normal operation when sheet thickness changed, to ensure strip deliversmoothly.

Structure: is composedof pre-bending device, guide board device, pedestal

5.10 Forming machine:

Function: key equipment of the pipe line, used to forcethe strip bending into tube waiting for welding

Structure: consists of the base, vertical roll,tensioner and forming roll 1^# ,2^# ,3^#andoutside control roll 4 ,5 ,6 ,7，8

Unit form: frontal swinging, left spiral

Adjusting way: threerollers bend, all outside controll rollers adjustable

Strip positioning style: center positioning

Forming scope: Φ600～1600 mm

Forming angle: 45°～75°

5.11 Frontal axle:

Function: pedestalof equipment before forming, push the bridge body swiveling by hydrauliccylinder to produce forming angle

Structure: iscomposed of bridge body and run mechanism

5.12 Rearaxle:

Function: pipecarrier&output device and flying saw car after forming machine, can adjustdefault of pipe during forming machine by fine-tuning angle.

Structure: include bridge body, outputcarrier roll, dimensioning device, plate turnover mechanism, roller wheeldevice, fine-tuning device and rear axle

Fine-tuning angle: ±1°

5.13 Flyingsaw machine:

Function: to cut theformed and welded pipe according to dimensioning length into finished pipe

Structure: includepedestal, pneumatic system, car body, crown chakra device and walking mechanism.

Cutting way: plasmacutting

5.14 Buriedparts:

Guide rail tobear frontal&rear axle, covering guide rail and anchor bolt

5.15 Insidewelding device:

To fix and adjustinside welding tool and ensure to centerize seam and weld

5.16 Outsidewelding device:

To fix and adjustoutside welding tool and ensure to place welding rod to seam center

5.17 Hydraulicsystem:

To controll actionof all hydraulic elements of the whole line.Hydraulic unit adopts integratedblock valve station，element of whichadopts Rexroth

5.18 Electrical control system:

Theunits adopts Mitsubishi PLC control, while main delivery machine is Japan Fujifrequency converter

Shanxi Gelande Mechannical & Electric Technology C

1620 SSAW PIPE MILL2