Description:

SEAMLESS TUBE MILL 

Used Secondhand seamless tube mill
Φ219 assel seamless unit
Φ219 assel seamless unit.the structure form of punch adopts vertical roller type, accel limit mandrel mill, 14-frames reducing mill, chain cooling bed, six roller straightening machine.
1.Tube blank specification
1.1 Diameter：Φ130、Φ150、Φ180、Φ210mm（Reserve Φ230mm）
1.2 Length：1500-3200mm
1.3 Height：max870kg
1.4 Material：Plain carbon steel and alloy steel
2. Capillary specification:
2.1 Diameter：Φ140-250mm
2.2 Length：max9500mm
2. Arakawa tube specification
2.1 Diameter：Φ130-230mm
2.2 Length：max12500mm
3. Finished product specification
3.1 Diameter：Φ88.9-219mm
3.2 Wall thickness：6-30mm
3.3 Length：max12500mm
4.Rolling temperature： 1270℃
Main performance parameter：
1. Tube billet heating zone：
Tapping bench
Flitch width 2600mm
1.1 Conveyor Roller
Conveying speed 0.81m/s
1.2 Transition platform
Feeding hydraulic cylinder diameter： ø80mm 1 set
2. Piercing Mill Area：
2.1 Entry table of Piercing Mill
Pushing force of billet pusher 45KN
Guide Slot Locking Hydraulic Cylinder： ø80/ø56 1 set
2.2 Main frame of perforator
Roller diameter ø800-ø700 mm
Length 700mm
Roller speed 78-106r/min
Feed angle 10°-15°adjustable
Rolling angle 15°fixed
Maximum opening of roll gap in rolling mill (when both rolls are ø800mm) 260mm
Rolling torque Max 220KNM 2.3 Main drive of piercing machine
Motor power 1600KW（DC）2 sets Reducer speed ratio 5.62（Hardened tooth surface）
2.4 Piercing machine outlet section 1
2.4.1 Three-rollers guide device 1
Aperture ø120-ø280mm
2.4.2 Output roller table
Roller specification ø206.3/ø150*210mm
2.4.3 Withdrawal device
Hydraulic cylinder ø63/45*300mm
2.4.4 Three-rollers guide device 2
Aperture ø120-ø250mm
2.4.5 Feeding device
Hydraulic Cylinder for Material Distribution ø100 1 piece
2.4.6 Three-rollers orientation adjustment device
Motor power 5.5KW
Output speed 100r/min
2.5 Piercing machine outlet stage 2
2.5.1 Locking device
Blocking Hydraulic Cylinder ø63/45*25mm
2.5.2 Push-rod thrust car
Thrust stop 800KN
Speed max 2.5m/s
2.5.3 Transmission Device
Motor power 150KW（Adjustable speed, low allotment）1set
Speed 1600r/min
2.6 Capillary discharge rack
Chain drive motor power 22KW
Speed 712r/min
Chain running speed 1.2m/s
3.Pipe Rolling Area：
3.1 Mandrel Operator
Motor power 250KW（Provisional）
3.2 Mandrel Lubrication Station
Lubricant Pressure 8-10MPa
3.3 Pipe Mill Entrance Platform
Opening Degree of Three-roll Core Holding Device ø120-ø250mm
3.4 Main frame of pipe rolling mill
Roller diameter ø450-380mm
Roller length 400mm
Rolling angle 0°-6°
Feeding angle 0°-12°
Rolling torque
Rolling speed
Quick opening of each roll strip
3.5 Main Drive of Pipe Milling
Motor power 2400KW（DC） 1 set
Speed ratio of reducer 1.69（Hardened tooth surface）
3.6 First section of pipe mill outlet table
Motor power 3KW
3.7 Second spection of pipe mill outlet table
Rolling motor power 3KW
4.Reducing Mill area：
4.1Conveyor Roller after Reheating Furnace
Roller table specification： ø180*ø260*260
Motor power： 1.5KW
4.2 Swing table in front of reducer
Roller table specification： ø180*ø260*260
Motor power： 1.5KW
4.3 High pressure water phosphorus removal device
High pressure water pressure 18MPa
Pressure of the phosphorus removal device on the nozzle：18MPa
Sprinkler ring 2sets
4.4 14 racks reducing unit
Rack number： 14
Ideal diameter of roller ø480mm
Roller width 210mm
Rack spacing 440mm
（DC）Motor power 147KW*14
Revolution 800/1600/2000 r/min
Overload coefficient 2
4.5 Back Swing Roller Table of Reducer
Roller table specification：ø180*ø260*260
Motor power： 1.5KW
5 Cooling bed area
5.1 Cooling bed entrance Roller
Roller motor power 1.5KW
5.2 Chain cooling bed
Cooling bed specification
Length 14000mm
Width about 60000mm（Divided into four sections）
Pitch of chain 328mm
Power of transmission motor in transport chain 37KW（Adjustable speed）4 sets
Speed 550-1100r/min
Power of Push Chain Drive Motor 18.5KW（Adjustable speed） 1set
Speed 975-1600r/min
6.Straightener area
6.1 Straightener entrance roller
Roller motor power 1.5KW
6.2 Straightener
Parameters of Corrected Steel Pipe
Specification： Outer diameter ø88.9-ø219mm
Thickness 6-30mm
Length 6-12.5m
Technical parameters of straightener
Permissible bending before straightening ≤ 20mm/m
Permissible temperature before straightening ≤ 200°C
Straightening speed 30-80m/min
Roller spacing 2*900mm
Straightening roll throat diameter/roll length ø350/460mm
Installation angle of straightening roll 34.5°（31.5°-37.5°adjustable）
Alignment of straightening rollers 2-2-2（Top three, bottom three, full drive）
Column tension 400KN（Each column）
Main drive motor：
Power 144KW
Speed 675-1700rpm
Rated voltage 400V
Main drive reducer （2 sets）
Speed ratio 5.314
Hydraulic adjustment
6.3 Pinch roll at the outlet of straightener
Motor power 5.6KW
6.4 Back leveling platform
Length： 14000mm
Width： 4000mm