ERW Tube Mill MG32

We are professional manufacture of ERW Tube Mill -MG32. This equipment is specially used for producingΦ13-Φ50.8mm,δ0.6-2.0mm high-frequency straight seam welded pipe and corresponding square pipe and special-shaped pipe(δ≤1.5mm). It made by refined materials in high precision and equipped with computer fixed length cutting saw. The main machine including forming, welding, cooling, sizing and straightening device. The composition of equipment is from uncoiler to computer fixed length-cutting saw. Rolling speed can be adjusted correspondingly within suitable range of pipe diameter and wall thickness.

Basic Parameter

 

Model	Tube size(mm)	Thickness(mm)	Milling speed(M/min)
MG32	Φ13～Φ50.8	0.6～2.0	30～150

 

Components list 

 

No.	Component name	Qty	Remark
1	Uncoiler	1 set
2	Butt-welder	1 set
3	Accumulator	1 set	Vertical/Horizontal
4	Forming, welding and sizing device( Roughly straightening and cooling included)	1 set
5	Cutting saw	1 set	Computer saw/ cold saw
6	Run out table	1 set
7	Solid state high-frequency welder	1 set
8	Electrical Control System	1 set

 

Applicable material:

(1)Hot or cold-rolled steel strip

(2)Material: Low-carbon steel, low alloy steelδs≤345Mpa, δb≤610Mpa

(3)The thickness of steel strip: 0.6-2.0mm (As per GB708-88)

(4)The width of steel strip: 40-160mm(±0.2mm)

(5)I.D. of steel coil: Φ450-Φ550mm

(6)O.D. of steel coil: Φ800-Φ1200mm

(7)Maximum weight coil: 1000kgs

 

 Dimension range of processing steel pipe:

(1)O.D.: Φ13-Φ50.8mm

(2)Wall thickness: 0.6-2.0mm(square pipe and special-shaped pipeδ≤1.5mm)

(3)Length: 4-8m

 

 Product (steel pipe) process flow:

Raw material (steel coil) →uncoiling → shearing and butt-welding→material accumulating →non-power leveling→mill-forming→high-frequency welding→removing burrs outside of weld seam → cooling → sizing → roughly straightening → fixed length cutting → finished pipe → run-out table

 

 Milling speed: 20-90m/min

Product precision: maximum tolerance of diameter±0.05mm

Solid state high-frequency equipment power: 150 KW

 

 

 Uncoiler:

Structure type: Double-side 360ºrotary manual expanding tight, which insure steel coil feeding alternatively and make steel strip going into accumulator freely.

Applicable range: 40-160mm steel strip width, 0.6-2.0mm thickness, Φ800-Φ1200mm steel coil O.D., Φ450-Φ550mm steel coil I.D., Max.1000kgs steel coil weight.

 

 Shearing and butt-welding machine

The shearing and butt-welding machine insure double steel coil shearing tidily and then welding together and leveling weld seam.

 

 Accumulator:

(1)Structure: squirrel-Cage type plate-welded part with automatic feeding and delivery system.

(2)Adjusting method: Manual spiral adjusting.

(3)Accumulating volume: 150-300m.

 

Forming, welding and sizing unit:

(1)Feeding & leveling device

(2)Forming device

(3) Guiding extruding and welding scraping apparatus

(4)One set of water cooling tank

(5)Sizing device

(6)Roughly straightening machine

(7) Main driving system

 

 Computer-controlled cutting saw:

(1)Cutting method: Computer-controlled tracking and automatic cutting

(2)Cutting thickness: δ0.6-2.0mm

(3) Cutting O.D.: Φ13-Φ50.8mm

(4) Cutting length: 4-8M

(5) Cutting tolerance: ±3mm

(6)Cutting motor: AC motor 7.5KW

(7)Drive motor: 11KW

 

 Run-out table:

Welded frame structure equipped with sizing signal system

 

Solid state high-frequency electric: 150KW

 

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