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HomeProductsHigh Precision Steel Tube Milltube mill for diamter 76mm

tube mill for diamter 76mm

Payment Type:
Min. Order:
1 Set/Sets
Delivery Time:
60 Days
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  • Product Description
Product Attributes

Model No.SMTY-7






TypeHigh Frequency Weld Pipe Mill Line

Supply Ability & Additional Informations

PackagingExport package



Place of OriginChina

Supply Ability30sets/month

CertificateCE, GS


Payment TypeL/C,T/T


Delivery Time60 Days

Packaging & Delivery
Selling Units:
Package Type:
Export package

Our company are very famous steel pipe line manufacture in China. The diameter from 7mm-219mm, the speed from 50m/min-126m/mim


Main technical specification

1、Raw material request

Material of strip:hot-rolling or cold-rolling mild steel;

2、Requirement finished product

Round pipe Square pipe

Diameter:φ25~φ76mm □:20*20~80*40mm

thickness:0.6~3.0mm Thickness: 0.6~3.0mm


Requirement of lay

Line form:Separated type

Disposal: Feeding from side (the location of control desk will be decided by customer)

Rated speed:0~80m/min


Technology flow

Uncoiling->Shearing and butt Welding->Horizontal type strip accumulating->Leveling->Forming unit->High-frequency welding->deburring->cooling->Sizing unit->Straightener->Flying saw->Run-out table


Main structure



Configuration: air power rocker expanding drum, double drums;

Suitable inner Diameter:φ508mm

Outer Diameter of coil:≤φ1800mm

Width of metal strip: 80~240mm

Weight of coil:≤ 2 ton

Brake type:air drive, two phase brake

Conversion form: manhandled turning 180°


Butt welding machine(hydraulic pressure square shear)

Function: 1. Cut defect parts for lead and trail, and middle defect part.

2. Cutting lead and trail of steel before welding. make Butt joint straightening, it is good for welding

Type: hydraulic pressure shear+ welding

Opposite joint type for steel belt: manual

Cutting thickness: 0.6~3.0mm mm

Maximum cutting width: 240mm

Blade material: T12A

Blade qty:2


Horizontal type strip accumulator

Horizontal type strip accumulator: introduce peripherally and feeding from center

Out diameter:4.5m

Width of metal strip:80~240mm

Thinness of metal strip:0.6~3.0mm

Feeding speed:120~200m/min

Configuration: Turning frame, Pinch machine (11kw AC motor), Main body (22kw AC motor)

Feeding control: Feeding is manual control which same as uncoiler; Discharge is non-power style.


Forming and sizing unit


Feeding device

Guiding stand-roller: a pair of guiding stand-roller after correcting flat-roller, adjust by manual;

Correcting flat-roller: using 7 sets of flat-roller to let strip introduce into machine smoothly; Flat-roller is non-power, base roller is fixed while upper roller is adjusting by bolt


Requirement finished product

Round pipe Square pipe

Diameter:φ25~φ76 mm □:20*20~80*40mm

thickness:0.6~3.0mm Thickness: 0.6~3.0mm

4.3 Specification of forming frame:

Roller frame


Shaft Dia


Heat treatment

Horizontal roller frame




High frequency quencher

Vertical roller frame




High frequency quencher

4.4 Requirement of forming frame

1.Set up one set (two frames) of vertical roll frames to avoid scratching on the surface of pipe billet

2.There are over loading protectors at the top of upper roller shaft. It can protect flat roller and gearing device while over loading. No need to change new blotter.

3.The structure of level mill frame is square type

(open molding): four racks

(closed molding):three racks

4.The structure of vertical mill frame is stool type:

Double mill frame oriented, manual adjustment to opening and closing and centring

Equipped with vertical mill frame to adjust institution

5.Exchange mill frame type:side pull type

6. Rack lubrication: vertical mill frame use grease lubrication in the end ,equipped with oil nipple.

5、 Welding equipment(mechanical part)

5.1、Welding line oriented rack :( one set) guide rollers consist of up and down two rollers. Oriented blade in the centre, welding angle adjust by screw.

5.2.Pinch roller rack: (one set) three roll type, help molten metal to weld together through forcing roll.

5.3.Side pinch roller diameter:φ45mm;

5.4.Burr wiped out device (one set) is equipped with base of around tool which can adjust height and landscape orientation.

5.5.Part of below supporting: hard board supporting, height-adjustable, ensure welding line smooth

5.6.Polish roller rack :( one set) vertical, manual adjustment to opening and closing and centering

5.7.Coolant mechanism type: combine spray and spill pool

6、Sizing frame


Requirement finished product

Round pipe Square pipe

Diameter:φ25~φ76 mm □:20*20~60*60mm

thickness:0.6~3.0mm Thickness: 0.6~3.0mm;

6.2Specification of sizing frame:

Roller frame


Shaft Dia


Heat treatment

Horizontal roller frame




High frequency quencher

Vertical roller frame




High frequency quencher


Requirement of sizing frame:


exchange rollers:side pull type


adjustment of upper roller:independent adjustment


The structure of vertical mill frame is stool type, double vertical rollers oriented, manual adjustment to opening and closing and centering, Equipped with vertical mill frame to adjust institution


Rack lubrication: vertical mill frame use grease lubrication in the end, equipped with oil nipple.


(turkey head)straightening device

Function: straightening glancing flatness, and let steel tube correct enter into fly saw.

Construction: four roller tops of turkey.

Quantity: two single face tops of turkey

Straightening steel tube diameter:φ25~φ76mm

Wall thickness:0.6~3.0mm


Computer fly saw

Type:PC to fix fly saw

Purpose:Confirm steel tube fixed length and off-position, and quickly start to cut off the equipment and operating line in the same speed.

Keep the equipment cut up and operating line in the same speed, and cut up the steel tube.

Rapid reset

Control method: The microcomputer control motor drive fly saw car through the reducer drive gear rack

Incise type:hot friction saw cutting

The maximum running speed:80m/min

Saw cutting diameter:φ25~φ76mm

Saw cutting pipe thickness:≤3.0mm

Cutting precision:±3mm

Cut lengths:4~10m

Blade spec.:φ500×70×3.5

Saw rotate speed:3400rpm

Saw cutting motor:15KW

Track motor:11KW

Pneumatic system:0.4~0.7Mpa

8、Back mill frame rack

Rack type: adopt structural steel to weld

Elevation: the same as bottom diameter of pipe roll

Roller form, material: supporting roller is vertical roller whose material is 45#hard chromium plating. It has long service life and won’t scratch the steel tube.

Power of supporting roller: Adopt 3kw motor which can meet different production speed needs

Turning direction: the same as pipe heading.

四、Drive system

Forming unit and sizing unit are linked to drive. Motors of each system are driving the horizontal rollers via reducer, gear box (spiral bevel gear) and universal shafts rollers. Standing rollers are powerless roller. Material of spiral bevel gear adopts 20CrMnTi.

The driving motors: 110kw two sets

Gear case lubrication: thin oil soak and show outside the gear case.

五、Water pipe distribution: Reserve a coolant connection and install the adjustable spay headers between the rollers Coolant flow : ≥15 ton/hour

六、Mainpurchased part of welding line.

Driving motor: DC motor 110KW two sets

Speed reducer :Changzhou Guomaoguotai

Fly saw power :Suzhou SUNEC

Cylinder, pneumatic element : adopt famous brands

Bearings for molding and sizing set: Hawaluo brand bearing

Main electrical components :adopt famous brands

Solid frequency200KW :Baoding produce

Looking for ideal Steel Tube Mill Machine for Pipe Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Steel pipe machine Diameter 76mm are quality guaranteed. We are China Origin Factory of SM76 tube mill. If you have any question, please feel free to contact us.

Product Categories : High Precision Steel Tube Mill

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