（1）. Strip steel width: 238-279mm (material Q195-Q345)
（2）. Strip steel thickness: 2.0—5.0mm
（3）. Steel pipe specifications: φ76－φ89mm
（4）. Steel pipe length; 4-8 m
（5）. Length accuracy: 0-6 mm 2. Forming speed: 60-80m/min
（1） Single-station manual uncoiler: manual expansion and contraction uncoiler, which can adapt to the inner diameter of steel strip coil Ф762mm, outer diameter Ф1800 mm, belt width 280 mm, and weight 5 tons.
（2）. Shearing and welding: hydraulic cutting, pneumatic pressing platform, manual welding (excluding welding machine)
（3）. Four-roller delivery machine: Function: keep the storage bin with enough raw materials and send the welded steel strip into the storage bin Structure: gantry frame, upper and lower roller transmission, cylinder pressure, equipped with gear split axle box guide vertical roller, horizontal pressing roller. Technical parameters: 1) Feeding roller diameter Ф170mm, roller surface width 320mm, material GCr15 2) Drive motor YCT250-4A, 18.5KW 3) Feeding speed: 140m/min 4. Cage looper: store raw materials for the forming and sizing machine to ensure continuous production of the forming and sizing machine. The structure is an integral frame type, divided into fixed frame, movable frame, support roller, and tension roller. Freely adjust according to the width of the steel strip.
（1）. Technical parameters:
1) Raw materials: Q195-Q345, strip steel thickness 2.0-5.0mm coil
2) Welding pipe diameter: φ76-φ89mm
3) Welding pipe speed: 60-80 m/min
4) Motor DC: Z4-280-42, 250KW, 1 set
5) Reducer: ZLY280-10, 1 set
（2）. Unit arrangement: Passive seven-roller leveling, feeding vertical roller, forming 7 flat and 8 vertical, sizing 6 flat and 6 vertical, guiding, extrusion, scraping, cooling water tank, 1 Turkish ear head (8 rollers, single-sided 4 rollers).
（3）. Horizontal shaft Ф100mm, vertical roller shaft Ф60mm, material 40Cr, quenched and tempered, quenched.
（4）. Extrusion roller shaft Ф70mm, material 40Cr, quenched and tempered, quenched.
（5）. The gear box adopts ZG35#, spiral bevel gear transmission, gear module m=12, material 20CrMnTi
- Computer flying saw machine: This machine consists of: bed, gears, rack box, saw car, fixture, speed measurement system, air system, drive system, electrical system, rollers, etc. Sawing pipe diameter: Ф76-89mm Steel pipe wall thickness: 2-5 mm Fixed length: 4-8m Accuracy: ±3 mm Maximum sawing times: 15 times/min Maximum running speed: 80m/min Saw blade size: Ф900mm Maximum travel of trolley: 2m Sawing motor (AC): 55KW Driving motor (DC): 22KW Air pressure 5-7Kg/cm2
VI.Straightening machine:
1.Function: Eliminate stress and bending after steel pipe forming and welding.
2.Structural form: Four-column frame structure, four upper rollers, two lower rollers, the lower roller is the active roller, the upper roller is passive, and the upper roller is pressed down by a worm gear (manual). 3. 3.Technical parameters: Motor: 30kw Straightening roller: φ220×400mm (upper roller) φ200×240mm (lower roller) Material GCr15, HRC60-65 Straightening speed: 100m/min Steel pipe diameter: φ60-φ89mm Steel pipe wall thickness: 2.0--5.0mm Straightening roller: φ120mm, material 40Cr, HRC45-50 The angle between the straightening roller and the steel pipe is 30°
VII. Roller table and stand (customized drawing available)
