FITZ Growing Line growing line system pipe and shells growing line system

Growing Line - FITZ Series

Stable Speedy Shells Joining and Growing Process

FITZ series shell Growing Line is used for three or more pipes/ shells assembly and welding job. FITZ Growing Line is equipped with two fit-up roller beds, which have four independent hydraulic height adjustment rollers, to ensure the assembly and welding job speedy with a high performance.

Wind Tower Production Line Features              

A.  Designed and robustly built to withstand rugged work enviroments

B.  Fastest system to assemble 1+1 or 1+1+...+1 sections

C.  Four independent hydraulic adjusting roller to align the two sections with each other

D.  Large range center distance to match diffrent diameter of workpiecec

E.  European hydraulic station, Parker oil tube and Schneider elctrical control system

F.  Ideal for:

    - Wind tower fabrication

    - Pressure vessels

    - Pipe assembly

Configuration details

FITZ Growing Line is complete with a group of 5 (five) rotators in two combinations:

Fit-up section for fit-up job consist of:

Rotator A & B: Hydraulically adjusted idle rotator which fixed on ground and has two hydraulic cylinders to adjust center distance of rollers separately. 

Rotator C: supporting roll which has two “v” shaped idle rollers to allow shells to be transported longitudinally when other rollers are retracted down and Rotator c support pipes.

Growing section is for ‘growing job’ consist of two rotators.

Rotator D: Idler rotator- Rollers distance is adjustable by lead-screw positioning to handle different workpiece diameter and manual travel on rail.

Rotator E: Power rotator - Rollers distance is adjusted by bolts positioning and motorized travel on rail.

Scope of Delivery

A.  1 Power section, 1 Idler roller bed

B.   2 Fit up roller beds and hydrulic station

C.  1 Hydraulic support v-roll

D.  1 Electric control system

    1 Main control panel    

    2 Remote pendant

growing line roll system Technical Paramter

Model FITZ-60 FITZ-100

Max  loading capacity 60 tons 100 tons

Rotator  A & B capacity 30 tons 30 tons

Rotator C (v-roll support) capacity 30 tons 50 tons

Rotator  D and E capacity 60 tons 100 tons

Workpiece diameter Ø800- Ø4500 mm Ø850- Ø5500 mm

Rotator  A & B roller center-distance adjusting Hydraulic cylinder Hydraulic cylinder

Rotartor  C height adjusting Hydraulic cylinder Hydraulic cylinder

Rotator  D roller center-distance adjusting Motorized lead-screw Motorized lead-screw

Rotator  E roller center-distance adjusting Bolts  manual Bolts manual

Rolling  speed 100-1000mm/min (VFD) 100-1000 mm/min (VFD)

Rolling  motor power 2  X 2.2 kw 2 X 3 kw

Roller    material Polyurethane  (PU) Polyurethane    (PU)

Hydraulic  control mode 5 each separatly 5 each separatly

Rotator  D horizontal moving speed 250-2500mm/min    (VFD) 250-2500mm/min    (VFD)

Rails  inner gauge 2000mm 2000mm

Growing line working follow

l Step One: Lay dwon the two shells on Rotator A & Rotator B, Rotator D & Rotator E by crane.

l Step Two:

Join the two shells by moving Roator E on rails;

Fit-up and align seam by adjusting rollers center distance hydraulic, then spot welding;

Full circular welding

l Step Three:

Jack-up the front end of finished two shells by operating Rotator C (V-roller);

Move the finished two shells to backside by operating Rotator E;

l Step Four:

Lay down the third shell on Rotator A, B by crane;

Repeat the same work from Step one to Step three till all shells are finished.

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