Brief introduction and quotation of
ZG219 pipe making machine
Description of product
- Summary:
This equipment is specially used for producingΦ114-Φ219mm, δ2.0-6.5mm high-frequency straight seam welded pipe and corresponding square pipe and special-shaped pipe(δ≤6.5mm). The composition of equipment is from uncoiler to computer-controlled fixed length cutting saw. Rolling speed can be adjusted correspondingly within suitable range of pipe diameter and wall thickness.
- Applicable material:
- Hot or cold-rolled steel strip (As per GB708-88 or GB1591-88)
- Material: Low-carbon steel, low alloy steelδs≤345Mpa,δb≤610Mpa
- The thickness of steel strip: 2.0-6.5mm (As per GB708-88)
- The width of steel strip: 360-690mm
- I.D. of steel coil: Φ600-Φ800mm
- O.D. of steel coil: Φmax.=1600mm
- Maximum weight coil: 10000kgs
- Dimension range of processing steel pipe:
- O.D.: Φ114-Φ219mm (4.5"8")
- Wall thickness:2.0-6.5mm(square pipe and special-shaped pipeδ≤6.0mm)
- Square pipe: 90×90175×175
- Rectangle pipe: 120×60150×200
- Length: 5-12m
1.4 Solid-state high-frequency welder: 500 KW
1.5Milling speed: 20-40m/min Total capability: Approx. 2000KW
1.6Compressed air: Flow volume: 4000L/min pressure: 0.50.7Mpa
1.7Water supply:
- Flow volume of cooling water: <30t/h (circulating water)
- Water volume for high-frequency: 45t/h (circulating water)
- Pressure: ≥0.25Mpa
2. Product (steel pipe) process flow:
Raw material (steel coil) uncoiling Flattening levelingshearing and butt-welding material accumulating mill-forming high-frequency welding removing burrs outside of weld seam cooling sizing roughly straightening fixed length cutting finished pipe run-out table
- Main equipments of production line:
2.1Material treating equipment in entrance:
--Uncoiler
--Flattener
--leveling machine
--Shearing and butt-welding machine
--Horizontal-type sprial accumulator
2.2 Forming, welding and sizing unit:
--Steel-strip forming
--Welding table and burrs- removing device
-- Solid-state high-frequency welder
--Sizing unit
-- Computer-controlled tracking cutting saw
--Finished-pipe passing conveyor
--Electric controlling system for full-line
- Uncoiler:
Structure type: Double-drill hydraulic-pressure expanding tightly, which insure steel coil feeding alternatively and make steel strip go into accumulator freely.
Applicable range: 360-690mm steel strip width, 2.0-6.0mm thickness,
Φmax.=1600mm steel coil O.D., Φ600-Φ800mm steel coil I.D., Max.10000kgs steel coil weight, 4KW motor power, 7Mpa maximum hydraulic pressure.
- Flattening device:
Applicable range: 360-690mm steel strip width, 2.0-6.0mm thickness,
Feeding material speed: 29M/min Motor power: 4KW
2.3Levering device:
Applicable range: 360-690mm steel strip width, 2.0-6.0mm thickness,
Working speed: 20M/min Motor power: 5.5KW
2.4Shearing and butt-welding machine, which insure two coiled steel strips shearing tidily and then welding together and leveling weld seam.
Applicable range: 360-690mm steel strip width, 2.0-6.0mm thickness,
Welding speed: 1M/min Hydraulic pressure: 0.4Mpa
- Horizontal-type accumulator:
(1)Usage: The steel strips strips stored in it shall be enough to ensure main machine to run continuously while welding two coiled strips.
(2)Structure: Horizontal-type structure with automatic feeding and delivery system.
(3)Feeding speed: 100120m/min
(4) Feeding motor: DC75KW
(5) Drive motor: DC75KW
- Forming, welding and sizing unit:
- Feeding & leveling device:
- Type: 9 rolls are passively leveled for leveling strip steel to make steel strips go into forming device.
- Guiding roll: Two pair
- Forming device:
Mainly roughly mill-forming steel strip and controlling weld seam.
A. Horizontal roll stand:
(a)Quantity: 7
(b)Structure: ZG45 Cast steel (annealing treatment), double housing, changing rolls in the side
(c)Diameter of horizontal roll’s shaft: Φ120mm,
Material: 40 Cr(quenching treatment)
B. Vertical roll stand:
(a)Quantity: 9(Vertical roll stands group)
(b)Type: Passive rotation
(c)Diameter of vertical roll’s shaft: Φ80mm
Material: 40 Cr (quenching treatment)
Adjusting method: Manual single-spiral adjusting.
C.Drive gearbox branch:
(a)Quantity: 7
(b)Structure: Spiral bevel gear, cylindrical gear
(c)Material: casing: QT50, gear: 20CrMnTi and 40Cr, input and output shaft: 40Cr
(d)Drive transmission: 14 sets of Jeep Auto 4A-5A universal transmission shaft
D. Two sets of bed for installation
(3) Guiding, extruding and welding, scraping device:
- One set of guide roll stand for controlling direction of weld seam to make pipe seam flatly and straightly go into extruding rolls.
- One set of extruding roll stand for controlling weld seam to realize successful welding.
- Two sets of scraper frame for scraping outside weld seam
- One set of bed for installation
(4)One set of water cooling tank.
Cooling method: water gutter with shower
The length of water gutter: 6M
(5)Sizing device:
a. Mainly fine shaping pipe after welding and controlling size accuracy. Each 5 sets of horizontal roll stand, vertical roll stand and drive gearbox branch, 10 sets of universal shaft (structure same as forming device)
b. Roughly straightening machine:
- Usage: It is mainly used for straightening of finished pipe roughly online.
- Type: Turk’s head type 4 rolls two sets
- Two sets of installation bed.
(6)Main driving system: The main unit is connected with main reduce by major motor and transmits power to gearbox branches, then gearbox branches drive upper and down shafts on horizontal roll frame.
- Major motor: Z4 series, DC 250KW two sets
- Main reducer: ZLY1000 two sets
2.5 Computer-controlled tracking cutting saw:
(1) Cutting method: Computer-controlled tracking and automatic cutting
(2) Cutting thickness: δ2.0-6.5mm
(3) Cutting O.D.: Φ114-Φ219mm
(4) Saw blade size: Φ1000×Φ120
(5) Rotating speed: 1820rpm
(6)Cutting time: 610times/min
(7)Cutting tolerance: ≤3mm
(8)Cutting motor: 90KW
(9)STD controlling fixing length synchronously
Finished pipe passing conveyor: (Run-out table)
Welded frame structure equipped with sizing signal system.
Hydraulic-controlling system (all needed hydraulic station)
2.9 Solid-state high-frequency electric: 500KW,
applicable power supply 380V/220V 50HZ
3. Main equipments and price:
(1) Hydraulic-pressure Uncoiler &nbs