100 Meters Per Min Heavy Duty Roll Forming Equipment for Round and Square Tube Mill

100 Meters Per Min Heavy Duty Roll Forming Equipment for Round and Square Tube Mill

Round and square tube mill 

Forming device: Mainly rough milling forming steel strip and controlling weld seam.

- Horizontal roll frame:

   a. Quantity: 7

b. Structure:45# forging steel parts, double housing, changing rolls in the side.

c. Diameter of the horizontal roll’s shaft: Φ70mm, Material: 42CrMo.

- Vertical roll frame:

a. Quantity:8

b. Type: Passive rotation

c. Diameter of vertical roll’s shaft: Φ40mm, Material: 40Cr.

- Drive gear box

a. Quantity: 7

b. Structure: Spiral bevel gear, cylindrical gear

c. Material: casing: QT50, gear: 20CrMnTi and 40Cr, input and output shaft: 40Cr

d. Drive transmission: 14 sets of Jeep Auto 212 universal transmission shaft

- Bed installation shared by both welding and sizing.

(3) Guiding,Welding scraping and deburring apparatus:

a.  One set of guide roll stand for controlling direction of pipe seam.

b. One set of extruding roll stand for controlling welding, rollerΦ45mm.

c. Two sets of scraper frame for scraping outside weld seam.

d. One set of installation bed matching with the forming unit.

(4)Cooling channel: one set

(5)Sizing device: Mainly fine shaping pipes after welding and controlling size accuracy.

Each 6 sets of horizontal roll stand and vertical roll stand and gearbox branch, 12 universal transmission shafts (Structure as same as the forming device)

(6)Rough straightening frame: Mainly rough straightening the fine forming steel pipe in line.

(a) Structure: Double sets of Turkey’s head, double-side,2-roll

(b) Installation bed matching with the sizing main unit

(7) Main driving system: The main unit is connected with main reducer by main motor and transmits power to gearbox branches, then gearbox branches drive upper and down shafts on horizontal roll frame.

a. Major motor: one set of Z4series,132kw DC

b. Main reducer: ZLY224-10 double -output shaft, 1 set

Introduction of Main Components

1. Decoiler:

Structure type: Double-side, 360°Rotation, manual expanding, which insures steel coil feed alternatively and go into accumulator freely.

2. Vertical Accumulator   

3. Forming welding and sizing device 

4. Computer saw

5. the out table