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Shanghai Lejia CNC Machine Co., Ltd.
Shanghai Lejia CNC Machine Co., Ltd.
Main Products :Shearing Machine,Press Brake,Power Press,Rolling Machine,CNC Turret Punch Machine
Shanghai Lejia CNC Machine Co., Ltd.
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Street Address :No. 1 Building, Lane 1040, Caoyang Road, Shanghai.

City :Shanghai

Province :Shanghai

Country/Region :China (Mainland)

Business Type :

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Home > Products > GNH pipe inside welding machine

GNH pipe inside welding machine

GNH pipe inside welding machine

Detailed Information:

Product Name:

GNH pipe inside welding machine

Maker/Manufacture/Company:

lejia-machine

Product Category:

Main Manufacturing Machines For Construction Pipe

Place of origin:

in/from Shanghai


Detailed Product Description

Quick Details

  • Place of Origin: Shanghai, China (Mainland)
  • Brand Name: SLJS
  • Model Number: GNH

Packaging & Delivery

Packaging Details: Appliable for shipment
Delivery Detail: 90days

Specifications

1,weld the inside welding seam of pipe after tack welding
2,cantilever beam structure
3,can be customized

Technical Parameters:

Model

Name

GNH-50/1422/12200

GNH-50/1460×12200

Mode of welding

Automatic arc welding

Automatic arc welding

Pipe diameter (mm)

360~1422

360~1460

Wall thickness (mm)

X80≤40; Q345≤40

X80≤40; Q345≤50

Welding length (mm)

8000~12200

6000~13000

Material (mm)

Q345, X45~X80

Q345, X45~X80

Welding Wire number

2 ~4

2~4

Wire diameter (mm)

3.2~4.0

3.2~4.0

Welding speed (m/min) (variable frequency speed control)

0.5~3
Stepless speed regulation

0.5~3
Stepless speed regulation

Carriage speed (m/min)
(variable frequency speed control)

0.5~25
Stepless speed regulation

0.5~25
Stepless speed regulation

Carriage power (kw)

18.77

18.9

Speed of turning roller (m/min)

0~9.9 Frequency control of motor speed

4.55

Welding seam precision (mm)

Longitudinal welding:±0.5
Vertical welding: ±0.5

Longitudinal welding:±0.5
Vertical welding: ±0.5

Lifting height of cantilever (mm)

≥200mm

≥200mm

Lifting height of earthing device (mm)

≥1500mm

≥1500mm

Retreating distance of machine (mm)

≥20000mm

≥20000mm

Fluctuation of current and voltage

Current≤1%, Voltage≤7%

Current≤1%, Voltage≤7%

Welding method

Fixed welding point and moving pipe

Fixed welding point and moving pipe

Adjusting range of current (A)

DC240~1500A AC240~1200A

DC240~1500A AC240~1200A

Adjusting range of voltage (V)

DC24~46V, AC24~44V

DC24~46V, AC24~44V

Production efficiency (pcs/min)

1/12

1/12

Overall dimensions(L×W×H) (mm)

31000×5000×3500

29500×1400×3375

Weight (kg)

28000

28000

 

Features:

 

The machine is used to weld the inside welding seam of pipe after tack welding. During the welding process, pipe is transferred shock-free and vibration-free on a transfer carriage in order to produce a constant weld seam quality. The inside welding machine is designed as cantilever beam structure. The offset of transfer carriage exceeds the length of cantilever beam. The top of cantilever beam is installed welding device. The cantilever beam is inside pipe body. When the transfer carriage retracts at a welding speed, the inside seams are welded on the machines working on basis of the submerged arc welding process. Welding electrodes, wires, welding flux and welding current are supplied to welding seam by the cantilever beam of inside welding machine.

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