Hangzhou Roll Forming Technology Co.,Ltd
Hangzhou Roll Forming Technology Co.,Ltd
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Stainless Steel Tube Mill Line

Stainless Steel Tube Mill Line is specially used for producing stainless steel straight seam welded pipe. It made by refined materials in high precision and equipped with fixed length cutting saw. The main machine includes forming, welding, sizing, and straightening device. The composition of equipment is from decoiler to the run-out table. Rolling speed can be adjusted correspondingly within a suitable range of pipe diameter and wall thickness.

Introduction of main components


1.1 Decoiler:

Double-side 360ºrotary , which insure steel coil feeding alternatively and make steel strip going into accumulator freely.


DecoilerDecoiler   

DecoilerDecoiler



1.2 Shearing and butt-welding machine

which insure double steel coil shearing tidily and then welding together and leveling weld seam.


Shearing and butt welding machine


1.3Forming, welding and sizing unit

(1)Feeding & leveling device:

Form: Up and down rolls are passively leveled for straightening strip steel before it is fed into forming unit.


(2)Forming device:

Mainly roughly mill-forming steel strip and controlling weld seam.


(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. Two sets of extruding roll stand for controlling weld seam to realize successful welding.

c. Two sets of scraper frame for scraping outside weld seam


(4)Sizing device: Mainly fine shaping pipe after welding and controlling size accuracy.


(5)Roughly straightening machine frame

It is mainly used for roughly straightening of finished pipe.


(6) Main driving system: The main unit is connected with main reducer by main motor and transmits power to gearbox branches, then gearbox branches drive upper and down shafts on horizontal roll frame.


Main driving systemMain driving system

Main driving systemMain driving system

Main driving system


1.4 Cutting saw


cutting saw


1.5Finished pipe passing conveyor: (Run-out table)


Finished pipe passing conveyor


Technical parameters of Stainless Steel Tube Mill Line

ModelDiameterThicknessSpeedDimension
mmmmm/minLength*Width(m)
RFT-SS25Ф5-Ф250.25-0.81-819.5*1
RFT-SS32Ф10-Ф320.3-1.51-820*1
RFT-SS38Ф12-Ф380.4-2.00.5-620*1
RFT-SS50Ф16-Ф500.6-3.00.4-521.5*1.1
RFT-SS76Ф25-Ф761.0-3.50.4-422*1.2
RFT-SS80Ф32-Ф801.5-5.00.3-324*1.2
RFT-SS114Ф50-Ф1141.5-6.00.3-326*1.4
RFT-SS168Ф76-Ф1681.5-8.00.3-332*2.3
RFT-SS219Ф114-Ф2192.0-10.00.2-236*2.5


Finished tubes

finished tubesfinished tubes


Applications of Stainless Steel Tube Mill Line

ApplicationsApplications

Applications


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