I. Profile drawing: (according to confirmation by both parties)

   Profile-1:  “C” Purlin with punching details:

Profile-2:  “Z” Purlin with punching details:

   Profile-3:  “Z” Purlin with punching details:

II. Process flow:

Passive Uncoiler (with levelling feeder) -----> Guide feed ------> Hydraulic Punching ------> Roll forming (including guide feed) ------> Hydraulic Shearer-----> Discharge table.

Product Specifications:

Material                         : Galvanized Steel ST52 (Coil)

Thickness                      : 1.5 mm to 3 mm

Coil Weight                    : 5 T (max)

Cutting Length             : 1000 - 5000 mm

Rolling Speed              : 15 - 20 m/min

‘C’ Purlin profile specifications:

Thickness                      : 1.5 mm to 3 mm

Flange Height                : (50 – 80) mm

Channel Width              : (100 – 300) mm

Lip Size                           : (15 – 20) mm

‘Z’ Purlin profile specifications:

Thickness                    : 1.5 mm to 3 mm

Flange                          : (50 – 80) mm

Height                           : (100 – 300) mm

Lip Size                       : (15 – 20) mm

Lip Radius                   : 135 degrees

III. Components of the Machine Line:

1. Uncoiler:

(1)  Uncoiler                              : passive unwinding, hydraulic tensioning

(2)  Unwinding machine load : 5 T

(3)  Inner diameter of unwinding machine support roll: φ508mm

(4)  Rolling support range              : φ450 - 530mm

(5)  Power of hydraulic system of unwinder    : 1.5 KW

(6)  Oil pump of uncoiler hydraulic system      : gear pump or vane pump

(7)   Leveling mechanism structure: two-roller pinch feeding, seven-roller leveling

(8)   Diameter of leveling roller   : about φ60mm

(9)   Leveling roller material         : high quality 40Cr

(10)   Heat treatment method of leveling shaft: surface high frequency quenching treatment.

2. Servo punching mechanism:

(1)  Specification of servo feeder         : NC-300

(2)  Servo feeder power                        : 3KW+ planetary reducer

(3)  Guide column hydraulic punching mechanism: 2 stations

(4)  Punching die                                    : 2 sets

(5)  Material of upper and lower template of punching die: high-quality No. 45 carbon steel

(6)  Upper and lower mold material     : Cr12Mov or SDK11

(7)   Heat treatment hardness of upper and lower molds: HRC58-62

(8)  Hydraulic system power: 22KW

(9)   Cooling method of hydraulic system: air cooling

(10) Oil pump of hydraulic station: vane pump or plunger pump

3. Roll Former: 

1. Frame: high-quality steel is tempered after welding

2. Forming machine form: cast iron archway chain drive

3. Shaft material         : 40Cr quenching and tempering treatment (HB220-260)

4. Shaft diameter        : Φ80 (Harbin Bearing)

5. Motor power of forming machine    : 18.5KW

Height traverse motor power       : 2 * 0.75 KW

Width traverse motor power         : 1 * 1.5 KW

6. Line speed of forming machine      : 0-20 m\min

7. Number of forming channels           : 15 channels (excluding straightening)

8. Thickness                               : 1.5-3.0mm

9. Rolled material                                 : Q235B galvanized sheet

10. Unfolded width of rolled material  : subject to actual width of test machine plate

11. Length sizing                                   : ±1.5mm

12. Roll forming mold                            : 1 set

13. Roll material                                     : Gcr15 quenching treatment (HRC58-62)

14. Roll hard chrome plating                : ≥ 0.05mm

4. Hydraulic Shearer:

1. Shearing method              : step-less universal hydraulic cutting after forming

2. Shear blade                : 1 pair

3. Material of forming and shearing mould   : Cr12M0V

4. Heat treatment method of shear blade     : quenching treatment (HRC58-62)

5. Hydraulic system power                : 11KW (single circuit)

6. Oil pump of hydraulic station        : vane pump

5. Unloading Table:

1. Material receiving roller structure: square tube welding, drum type (no power)

2. Specification of material receiving roller: 2000mm x 2 pieces

IV. Composition of equipment structure:

The main machine of the equipment is composed of a passive uncoiler, a servo punching mechanism, a roll forming machine (including guided feed and hydraulic cutting mechanism), a discharge platform, a hydraulic system, an electronic control system, etc.

Machine Picture: