Technical specification model SM50 pipe forming and welding line
a) Capacity
1. Pipe Size : 13 – 50.8 mm OD
2. Pipe Thickness : 0.8 – 2.0mm
3. Material : HR/CR coil
4. Pipe Length : 4.0m – 8.0m
5. Length Tolerance : +/- 3mm
6. Mill Speed : 20-75 m/min
b) Scope of Supplies
1. Double-head uncoiler
1.2 Pneumatic uncoiler
1.2.1 Briefing: Rotary type to change coils easily, with a pneumatic brake
1.2.2 Paramaters:
- Coil width : 40-160 mm
- Coil OD : max. 1300mm
- Coil ID : 350-550mm
- Coil weight : max. 1.0 metric tone
1.2.3 Mandrel expansion driven pneumatically
1.2.4 Mandrel position rotation shall be manual
1.2.5 Pneumatic brake
2. One set shearing & butt welding machine for coil joining
2.1 Parameters:
- Width: ≤160mm
- Thickness: ≤ 2.0mm
3. Vertical accumulator
3.1 Coil width : 40 – 160 mm
3.2 Feeding speed : 200 m/min Max.
3.3 Storing capacity : 500 KG
4. Forming & sizing section
4.1 Forming mill c/w gearbox, universal joint and DC motor.
4.1.1 Mill entry flattener
4.1.2 Forming mill consists of:
- Driven stand : 8 sets
- Driven stand shaft ? : 50mm
- Material of shaft : 40Cr
- Side roll stand : 8 sets
- Side roll stand shaft ? : 35mm
- Material of shaft : 40Cr
- Gear box & universal joint : 4 sets
- Material of gear box : cast iron
- DC motor, 75kw : 1 pcs
4.2 Sizing mill c/w gear box, universal joint and DC motor.
4.2.1 Sizing mill consist of:
- Driven stand : 6 sets
- Driven stand shaft diameter : 50mm
- Material of shaft : 40Cr
- Side roll stand : 6 sets
- Side roll stand shaft diameter : 35mm
- Gear box and universal joint : 3 sets
- Material of gear box : cast iron
4.2.2 One set vertical stand for straightness adjustment
4.2.3 One horizontal stand for straightness adjustment.
5. Welding section
5.1 Welding section consist of:
- Seam guide stand : 1 set
- Squeeze roll stand type 2 rolls : 1 set
- External bead scarfing stand : 1 set
- Ironing roll stand : 1 set
- one tool holder for each scarfing stand
- one weld bead winder
AC motor 0.37KW
cycloidal-pin gear speed reducer
5.2 Cooling section
- Cooling tank c/w water spray & valve : 1 set
- 3M
5.3 High frequency100 KW and electric control speed govern device
1,High frequency weld machine
Welding power（Output power）：100KW
List of the devices：
1 vertical roller mechanism
1 guide framework
1 squeeze roller framework
1 plane device with 2-plane framework
1 burr chip breaker framework
1 burnishing roller framework
1 operation platform
The guide framework is used for keep the steel pipe at the position which is suitable for weld in.
2,Squeeze roll framework
Make sure to finish the welding under squeeze forces.
6. Flying saw
6.1 Flying cut-off, mechanical section consist of:
- Friction saw blade : OD400mmxID35mmx2.5mm
- Saw cut : Pneumatic
- Pipe clamp : Pneumatic
- Saw carriage travel : Rack and pinion with gear reducer
- Motor for sawing : AC 7.5KW
- Motor for travel : DC 11KW
7. Run out table
7.1 Run-out system consists of:
- Roller conveyer 8 meter
- Roller drive AC motor 2kw with inverter control.
- Pipe end stopper
8. Packing - simple packing stand
9. Mill electric
9.1 DC drive and control for forming and sizing mill.
- DC drive, "Eurotherm”
- Main DC drive panel c/w control instrument etc.
- Mill operation panel c/w speed adjustment, control etc.
9.2 Flying cut-off control system
- Saw carriage drive by DC motor 11 KW
- Main flying cut-off panel c/w control instrument etc.
- Operation panel c/w length and batch setting.
10. Forming rolls
10.1 Rolls material
- Material : Cr12
- Hardness : 60 HRC +/-2