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

RNS Upright Sr 70*65mm

RNS Upright Sr 80*65mm

RNS Upright Sr 90*65mm

RNS Upright Sr 100*65mm

RNS Upright Sr 110*65mm

RNS Upright Sr 120*65mm

RNS Upright Sr 150*65mm

II. Process flow:

Automatic unwinding ----> Pinching and Leveling ----> Hydraulic punching (servo) ----> Roll forming -----> Fixed-length cutting (servo tracking) -----> Unloading table.

III. Main Component Data:

1. Uncoiler:

1).       Uncoiler                : automatic unwinding, hydraulic tensioning

2).       Uncoiler load                                           : 4 T

3).        Inner diameter of uncoiler                     : 508 mm

4).       Supporting roll range                             : φ450-540 mm

5).       Uncoiler hydraulic system power         : 2.2 KW

6).        Uncoiler hydraulic system oil pump     : gear pump or vane pump

2. Leveling machine:

1).       Two-roller pinch, seven-roller leveling

2).        Leveling roller shaft diameter          : about 90mm

3).        Leveling roller material                     : high quality 40Cr

4).        Leveling shaft heat treatment          : surface high frequency quenching treatment

5).        Leveling machine motor power       : 3 KW

6).        Reducer                                              : worm gear

3. Servo punching mechanism:

1).        Servo feeder power                        : 1.9 KW

2).        Guiding column hydraulic punching mechanism: single station

3).        Hydraulic system power                 : 11 KW

4).        Hydraulic system with air cooling

5).        Punching dies                                  : 7 pairs (replacement of dies for different profiles)

6).        Material of upper and lower template of punching mold: high-quality 45 carbon steel.

7).        Material of upper and lower mold               : Cr12Mov or SDK11.

8).        Heat treatment hardness of upper and lower molds    : HRC58-62

4. Roll Former:

1).      Frame                   : tempering treatment after welding of high-quality steel

2).        Pipe feeding frame    : side hand wheel

3).        Forming machine form           : cast iron gearbox transmission

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

5).        Shaft diameter                                       : Φ80 (Harbin bearing)

6).        Motor power of forming machine        : 18.5 KW

7).        Linear speed of forming machine       : 0-20 meters \ min

8).        Number of forming lanes                     : about 18 lanes (with correction)

9).        Thickness                            : 2-2.5mm

10).        Rolled material unrolled width: see the flat chart for details (the actual test machine plate width shall prevail)

11).        Length fixing                                          : ± 1.5mm

12).        Roll forming mold      : 1 set (produce 7 specifications, replace looper)

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

14).        Roll hard chromium plating   : ≥ 0.05mm

15).        Hydraulic station oil pump     : vane pump

16).        Shearing method              : no waste hydraulic cutting (servo tracking)

17).        Shear mold                        : 7 sets (blades need to be replaced when producing different specifications)

18).        Molding and cutting mold material     : Cr12M0V

19).        Shear blade heat treatment                 : quenching treatment (HRC58-62)

20).        Servo motor power                               : 3 KW

21).        Hydraulic station                                           : single circuit

22).        Hydraulic system power                              : 7.5 KW

23).        Hydraulic station oil pump                          : vane pump

5. Unloading table:

Structure of receiving roller          : Angle welding, drum type (no power)
Receiving roller material size       : 1500mm x 2pcs

IV、Equipment structure:

The main machine is composed of Uncoiler, Roll forming (including Leveler, hydraulic cutting and unloading table), hydraulic system, electric control system, etc.