Φ219-1220mmFrontal-swinging Spiral Welded Pipe Line

1. Forward:

Thisunit is the forming unit designed and manufactured by our company afterresearch and absorption of advanced technology at home and abroad. Usage ofGerman MEG forming method enables the back-swing welding car produce pipecontinuously with high efficiency, stable performance by advanced design.

2. Production introduction

2.1 Product usage

1) API 5L high strength petroleum, gas transportationpipeline;

2) Low-pressure fluid transportation pipeline, gas pipeline and drain line;

3) Piling-pipe in the engineeringconstruction;

4) Pipe in the industrial structure;

5) Pipe for other uses.

2.2 Productquality

The quality of pipes produced are in accordance with USA API-5L and China National StandardsGB9711.1-1997.

2.3 Technical performance&parameter

1) raw material:

Coil O.D.	Φ1200-Φ1500 mm
Coil I.D.	Φ508-Φ760 mm
Coil width	400-900 mm
Coil thickness	5-12 mm
Coil material	Q235-A
Max. coil weight	15 t
Crescent bend	≤10/10000 mm

2) product data:

Pipe diameter	Φ219-Φ1220 mm
Pipe wall thickness	5-12 mm
Spiral angle	40°-78°
Pipe weight	Max4.5 t
Pipe length	8-12 m
Pipe thread pitch	Max1400 mm

3.Machine mode, Technical parameters, Process flow, Delivery listand Line introduction:

3.1 mill data

Mill form	frontal swinging type, intermittent production, centering loading coil and positioning
Preparation period of host unit	mill stopping and butt loading coil
Forming style	three-roller bending forming, external control roller sizing
Forming direction	right spiral forming
Forming angle scope	40°～78°
Max. thread	≤1400mm；
Pipe discharging	swing carrier roll to discharge pipe
Welding way	Double-side sub-merged arc automatic welding
Welding speed	0.8-2.1 m/min
Delivering speed	0.6～2.4m/min
Installed capacity	～210KW

3.2dynamic parameter

voltage	220/380 v
Tap water	0.2-0.4 Mpa
Compressed air	0.4-0.6 Mpa

3.3process flow:

uncoiling→pinching&leveling→manualside guide→cutting& butt welding →manual side guide→rotary shear→electricside guide→main drive→ pre-bending guide board→forming→inside welding →outsidewelding→flying cutting→ kick off→deslagging and repair welding → (beveling&end-facing) →(hydrotesting)→collection

4.Annual output:

（three shifts） 10,000～20,000MT/A

5.Equipment list:

5.1hostmachine area

N/N		Equipment Description		Qty.	Approx. W.T.（t）	Remark
1		Uncoiler		1
2		Pinching&leveling machine		1
3		Manual side guide		1
4		Cutting& butt welding		1
5		Electric side guide		2
6		Rotary shear		1
7		Main drive		1
8		Pre-bending guide board		1
9		Forming machine		1
10		Frontal axle		1
11		Inside welding device		1
12		Outside welding device		1
13		Rear axle		1
14		Flying cutter		1
16		Buried parts		1
17		Host hydraulic (electric) system		1
Total weight
18	hydrotester		1
19	Beveling& end—facing machine		1
Total weight

5.2purchaseditems

N/N	Equipment Description	Qty.	Remark	Weight （t）
18	Inside welder DC-1500	1	LINCOLN	1
19	Outside welder DC-1500	1	LINCOLN	1
20	Buttwelding car	1	China brand	0.5
21	Air plasma cutter	2	China brand	1.6
22	automatic weld flux transportation & recycling device	1	China brand	4
23	Weld flux dry and magnetic separation device	1	China brand	1
23	Air compressor	1	China brand	0.5
24	cable	1set	China brand	1
Total weight				10.6t

5.3totalweight of the equipment:

Approx.

6. Host machine of Ф219～Ф1220 SSAW pipe mill

6.1uncoiler

Function: used to supportand rotate the coil initiatively to peel the coil head coordinating with theshovel knife, and feed the strip forward to pinching&leveling machine

Structure: composed ofdouble coneheads, carrier roll assembly, shovel knife and support roll

Motor: power 7.5kw.

Supporting roll: dia.φ220, length 950mm, material 45, hardening and tempering HB220－260, quenching hardness HRC40-45.

6.2pinching&levelingmachine

Function: used to levelthe strip and feed it to shear& buttwelding position and delivery machine

Structure: double-roll pinching five-roll leveling, driven bycycloidal planetary gear speed reducer to feed the material.

Motor: power 7.5kw,pinching roll dia.φ160, length 900mm,material 42 CrMo, hardening and tempering HB220－250,quenching hardness HRC53-57.

6.3side guide（manual and electric）:

Configuration: consist of side guide and its base, screw guidedrives to adjust the width.

Cycloidal reducer drive screw transmission, motor power 1.1 KW

Vertical roll material 42CrMo, quenching hardness HRC52-58.

function:to ensure steel strip aligned with centerline.

6.4cutting&buttwelding:

Configuration:consists of frontal& rear pressing plate, machine body and moving device.

Function:to plasma cut off the strip end&tail and buttweld them

Trolleymovement: by cylinder stretching

Welding way: semi-auto SAW butt welding

6.5rotaryshear

Structure:consist of two supports, on which equipped with the shear blade to cutpassively

Sawblade dia.: φ320, material 6CrW2Si, thermal refined HB229-285, quenchinghardness HRC57-60.

Function: to cut off the rough edge of steel strip

Clearanceadjustment: screw guide adjusts vertically while turbine worm adjusts left andright

6.6 main drive

Function:to supply forward feeding power to the whole spiral pipe line

Configuration:is made of machine body, speed reducer, coupling, and motor.

Speed regulation: AC VF speedregulation

Delivering speed: 0.8-3.0 m/min.

Deliveringroll dia.: φ300, material 42CrMo, quenching hardness HRC52-58.

Motor power: 15KW

6.7guide board

Function:to prebend the strip and feed it into forming unit.Configuration: is made of upright post, up&below guide board.pre-bending roll material 42CrMo, quenching hardness HRC52-58.

6.8forming machine

Function:one of the key equipments, to force steel strip into required pipe shapewaiting for welding.

Unit form: adopt Germany MEG form, 1#, 3# roll forming angle isadjusted by angledemodulator;manual screw guide drives to transverse movement.

Configuration: is made of 1#、2#、3# forming roll, 4#、5#、6#、7#、8# outside control roll, base , side guide andrevolving axle and tension apparatus.

Adjusting way: three-rollbending, outside control roll adjustable

Position method: centerpositioning

Forming scope: Φ219～Φ1220mm

Forming angle: 40°～78°

6.9 frontal axle:

Structure:process the welded section steel and steel plate.

Function:equipment base before forming, can adjust forming angle

Oilcylinder: φ100/70×500

6.11 rear axle:

Structure:process the welded section steel and steel plate. carrier of equipment afterforming, with function of fine-runing, pipe cutting and output.

Oilcylinder: φ100/50×310.

Oilcylinder: φ110/80×400.

6.12 host buriedparts: rail of the host machine.

Including shim plate, guide rail and bolt

6.13flying cutting car

Function:carrier of cutting pipe to length.

Cuttingway: plasma cutting

Configuration: consists ofbase, pneumatic system, machine body, top wheel device and walking mechanism

6.14inside weldingdevice

Used to fix andadjust inside welding tool, to ensure welding seam aligned and weld the seam

6.15outsidewelding device

Usedto fix and adjust outside welding tool, to ensure feed the weld wire to seamcenter

6.16 Host hydraulic system:

Hydraulic pump station isthe work system of eack hydraulic device thay reply on hydraulic power. It isused to supply pressure medium with controllable direction, pressure and flowto each action element(as hydraulic cylinder, motor. etc.), to reset andachieve recycling work

6.17 electric control

Control mechanism ofindividual equipment single-action and linkage.

Shanxi Gelande Mechannical & Electric Technology C

1220 SSAW PIPE MILL1