New Production Welded Steel Pipe Welding Roll Forming Line

    Product Description 1. Description This equipment is specially used for producing Φ19-Φ76mm, 0.8-3.0mm high frequency straight seam welded tube and corresponding square tube and special-shaped tube (δ≤2.5mm). The composition of equipment is from uncoiler to fixed length cutting saw. Rolling speed can be adjusted correspondingly within suitable range of tube diameter and wall thickness.   2. Applicable material: (1) Hot or cold-rolled steel strip (2) Material: Low-carbon steel, low alloy steel  (3) The thickness of steel strip: 0.8-3.0mm (4) The width of steel strip: 60-240mm  (5) I.D. of steel coil: Φ450-Φ550mm (6) O.D. of steel coil: Φ800-Φ1200mm (7) Maximum weight coil: 2500kgs   3. Dimension range of processing steel tube: (1) O.D.: 19-76mm (2) Wall thickness: 0.8-3.0mm (square tube and special-shaped tube δ≤2.5mm) (3) Length: 4-8M   4. Milling speed: 20-100M/min(choose different speed as per different pipe diameter and thickness)   5. Product (steel tube) process flow: Raw material (steel coil) → uncoiling → shearing and end welding → material accumulating → non-power leveling → mill-forming → high-frequency welding → removing burrs outside of weld seam → cooling → sizing → roughly straightening → fixed length cutting → finishing tube   7. Roller 1. Rolls for welded tube will be ordered additionally according to type and specification provided by customer.     8. Technical appendixes a. Uncoiler Structure type: Double-side 180 rotary HYDRAULIC  expanding tight, which insure steel coil feeding alternatively  and make steel strip going into accumulator freely. Applicable range:  Steel strip width: 60-240mm Thickness: 0.8-3.0mm                   Steel coil O.D.: Φ800-Φ1200mm Steel coil I.D.: Φ450-Φ550mm Steel coil weight: Max.3000kgs      b. Shearing and butt-welder: Usage: ensure two coiled steel strips shearing tidily and then welding togetherand leveling weld seam.   c. Horizontal-type accumulator The steel strips strips stored in it shall be enough to ensure main machine to run continuously while welding two coiled strips. (1) Structure: Round plate type plate-welded part with automatic feeding and delivery system. (2)Accumulating volume: 150-300M.   d. Forming, welding and sizing unit: (1) Feed leveling device: a. Type: 9 rolls are passively leveled for leveling strip steel to make steel strips go into forming device. b. Guiding roll: One pair (2) Forming device: Mainly roughly mill-forming steel strip and controlling weld seam. a. Horizontal roll stand: Quantity: 7 Structure: Cast steel, double housing, changing rolls in the side Diameter of horizontal roll’s shaft: Φ70mm, material: 40Cr b. Vertical roll stand: Quantity: 9 (including one set of vertical rolls group) Type: Passive rotation Diameter of vertical roll’s shaft: Φ40mm, material: 45# steel c. Drive gear box  Quantity: 7 Structure: Spiral bevel gear, cylindrical gear Material: casing: QT50, gear: 20CrMnTi and 40Cr, input and output shaft: 40Cr Drive transmission: 14 sets of Jeep Auto 141 universal transmission shaft d. One set of bed for installation   (3) Guiding extruding and welding scraping apparatus: a. One set of guide roll stand for controlling direction of pipe seam to insure pipe seam flatly and straightly entering into extruding rollers. b. One set of extruding roll stand for controlling weld seam to realize successful welding. c. Two sets of scraper frame for scraping outside weld seam d. Installation bed along with forming machine (4) One set of water cooling device. (5) Sizing device: Mainly fine shaping pipe after welding and controlling size accuracy. Each 5 sets of horizontal roll stand, vertical roll stand and drive gearbox, 10 sets of universal shaft. (Structure same as forming device) (6) Roughly straightening machine frame: a. Type: Turk’s head type, 4 rolls single side              two sets b. One installation bed along with sizing main machine.      (7) 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. a. Main motor:  Z4 series, DC90KW                       two sets b. Main reducer: ZLY series (outside four-shaft ends)         two sets e. High-frequency welder: Solid-state High-frequency welding machine: 200KW Include DC speed adjustor, overall control table and button station   f. High speed cold cutting saw:

(1),maximum diameter	Φ76 mm
(2),maximum thickness	δ3.0mm
(3),cutting length  and precision	L=4~8m,≤±3mm
(4),driving system	YASKAWA
(5),size of saw blade	HSS450mm
(6),driving motor	Servo motor15kw
(7),cutting motor	Servo motor11kw
(8),feeding motor	Servo motor2.9kw
(9),speed of cutting	Maximum 100M/min

  g. Run-out table: Welded frame structure equipped with sizing signal system      LINE LAY-OUT                                                                                           PRODUCT PICTURES         OUR QUALITY ASSURANCE         CERTIFICATION & TESTS       Company Information         ENTERPRISE INFORMATION      Our Services           TEAM&PARTNERS       FAQ         FAQ   Q: Do you have after sales support? A: Yes, we are happy to give advice and we also have skilled technicians available, We need your machines running in order to keep your business running. Q: Once we've bought a machine from you, are you able to supply us with material? A: We can assist you in finding the appropriate materials to suit your machine Q: Do you sell only standard machines? A: No, most of our machines are built according to customers specifications, using top brand name components Q: What size decoiler can you supply us with? A: From 5-ton decoiler to a 25-ton motorised hydraulic decoiler Q: Do you have a warranty on your machines? A: One year warranty excluding electrical components.  Q: What sales terms do you have? A: Terms mutually agreed on and we do accept Letter of Credit by pre arrangement.  Q: Do you have instruction manuals? A: We provide you with instruction manuals, electricity layouts, civil requirements, and machine drawings Q: Once a machine arrives at our factory what happens then? A: We will send you a technician or engineer that will commission and install your machine, with training for your staff if required at a separate fee.   Q: What do I need to offload my machine from the container? A: You are not responsible for the offloading of your machinery, and it is recommended that you use a reputable rigging company. Q: My current machine rollers need to be replaced. Would you be able to assist me?   A: Yes. Send us your profile and specifications then we will manufacture the rollers for you Q: What kind of controls do you use on your machines? A: AMS, Delta, Schneider, Siemens, and Mitsubishi Q: What is your delivery time? A: Depending on the type of machine, duration of 25 days to 185 days from date of order.   Q:  Do we receive any updates while machine is in the manufacturing process?  A: Yes.Regular updates on progress will be sent to you.