RZJ430 Hot Rolling Seamless Pipe Production Line

RZJ430 Hot Rolling Seamless Pipe Production Line

There are many disadvantages for methods of production like laggard technics, timeworn technical equipments and high energy consumption, heavy pollution but low efficiency. However, hot rolling seamless pipe product line has not only overcome above disadvantages but also have some advantages. For example, it is not necessary to pickling, phosphoroused and saponification; it is without chemical pollution; low investment of machines; high precision of finished tube; short of processes; heat one time then continuous producing and achieve final production. Therefore, it is applied widely.

Production technique flow is as follows: billet cutting --- inspection and grinding --- billet centening --- billet heating --- two-roller horizontal cross rolling piercer --- two-roll A-R elongator with mandrel retained --- three-roller sizing mill --- large and small cooling bed --- nine-roller vertical pipe straightener --- grinding and testing --- cutting --- inspection and marking --- packing --- weighing --- warehouse

Technical parameter	Billet diameter (mm)		180-400
	Finished tube diameter (mm)		168-377
	Finished tube WT (mm)		6.5-28
Main machines description	LWZC340 two-roller cross rolling piercer		Details shown in LWZC340
	LZJ430 two-roll automatic rolling mill	Main motor power (KW)	2800
		Main reducer type	BLY1150/i=12
		Roller diameter (mm)	1150
		Roller length (mm)	600
		Roller speed (rpm)	62
	670 three-roll sizing mill		Details shown in 670 sizing mill
	YGJ430 six-roller straightener		Details shown in YGJ430

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