Used second hand φ76 Hot Rolled Seamless Steel Tube Production Line 1、Production outline 1.1、Steel grade：Plain carbon steel、Alloy structural steel 1.2、Diameter x Length of Raw Material Tube Billet：（Ф50～Ф110）×（1000～2300）mm 1.3、Diameter * Length * Thickness of finished pipe： （Ф38～Ф114）×（≤12000）×（3.8～10）mm 1.4、Productivity： 1.5 roots / minute 1.5、Basic technological route Blanking (beltsaw)→Heating (inclined hearth furnace)→Perforation (two-roll Mann type)→Pipe rolling (three-rollers mill)→Micro-tension reducing mill (3-rollers type)→Cooling bed→Straightening 1.6 Full Line DC Speed Regulation 3. Perforator area 3.1 Pipe blank diameter Ф50 ～ Ф110 mm 3.2 Pipe blank length 1100 ～ 2800 mm 3.3 Capillary pipe diameter Ф55 ～ Ф115 mm 3.4 Capilary pipe length 4500 ～ 7000 mm 3.5 Roller diameter Ф520 ～ Ф580 mm 3.6 Roller length 400 mm 3.7 Roller dip angle 8º 3.8 Roller material 55 3.9 Roller speed ～ 115 rpm The speed is adjustable 3.10 Centering roller 5 frames 3.11 Main motor 900KW DC 1台1 set 3.12 Type Two-roller Mann and Horizontal type Equipment composition： Main motor、Main reducer、Parting tooth box、Receptacle trough、Universal joint shaft Main machine、Background part I (centering roller, lifting roller, steel turning machine, pipe stop)、Backstage part ii (lock frame, push rod car, car transmission device)、Pneumatic device、Electronic control device (excluding rectifier transformer)、Thin oil lubrication station。
5、12-Frames Reducing Mill 5.1、Diameter and thickness of inlet pierced billet （Ф50～Ф120）*（3～9.8）mm 5.2、Sizing temperature of inlet pierced billet 850°C ～ 950°C 5.3、Speed of inlet pierced billet ≤0.5 m/s 5.4、Diameter and thickness of finished pipe （Ф38～Ф114）*（3～10）mm 5.5、Roller diameter Ф275 mm 5.6、Roller material Infinite chilled cast iron 5.7、Roller hardness HB=365～400 5.8、Model Twelve Frames, Three Rollers Sizing and Single Drive 5.9、Main motor 90KW DC 12台 12sets 5.10、Scope of supply： Main motor、Main reducer、Main frame assembly、Roller frame（12frames）Universal shaft、Tooth type coupling、Safety coupling、Base、Roller changing platform、Frame push-pull device、Hydraulic system、Dry and dilute oil lubrication device Electrical control device (excluding rectifier transformers)
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