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

II. Process flow:

Passive uncoiling → Guide feed → Hydraulic punch hole (2 stations) → Roll forming → Cut off bending (2 stations) → Unloading

III. Components of the Machine Line:

1. Uncoiler:

(1)   Uncoiler                                         : Passive feeding, manual expansion

(2)   Loading Weight                            : ≤ 5 T

(3)   Uncoiler Coil I. D                          : 508 mm

(4)   Rolling width range                     : (470 - 530) mm

2. Roll Former

(1)  Main frame: High quality steel after welding and tempering

(2)  Guide - pillar hydraulic punching mechanism: forward punch 2 stations

(3)  Punching hole mould: 2 sets

(4)  Punch hole mould up and down template material: high quality 45 carbon steel

(5)  Up and down mould material                         : Cr12Mov or SDK11

(6)  Up and down mould heat treatment hardness   : HRC58-62

(7)  Forming machine type: wall plate chain drive

(8)  Shaft material          : 40Cr quenching and tempering treatment

(HB220-260)

(10) Shaft diameter       : Φ60 (HRB Bearing)

(11) Forming machine motor power   : 7.5 KW (Hard tooth surface

reducer)

(12) Forming machine line speed             : 0-5 m\min

(13) Roller way nos                                    : 16 Nos

(14) Thickness                                : (0.7– 1.6) mm

(15) Expanded width of rolled material    : The actual width of the

test plate shall prevail

(16) Length limit                                         : ±1.5mm

(17) Roll forming mold                               : 1 set

(18) Roll material                                       : 45# steel

(19) Hydraulic punching mechanism       : back punch 2 stations

(including cutting off)

(20) Cut mold                                              : Stop machine hydraulic cutting

(21) Bending mechanism                         : Hydraulic flip plate bending

after forming

(22) Hydraulic system power                    : 15 KW

(23) Hydraulic system cooling                  : Air cooling

(24) Hydraulic station pump                     : Vane pump or plunger pump

3. Unloading table:

(1)  Structure of unloading roller           : Angle welding, drum type (no power)

(2)  Unloading roller material size        : 1500mm * 2pcs

IV. Equipment structure:

The main machine is composed of passive uncoiler, Roll forming (including feeding, hydraulic cutting and unloading table), Hydraulic system, Electric control system, etc.