LNG Gas Cylinder Machinery Production Line

Circumferential seam welding(MIG Welding) equipment for inner and outer bladder

Item No.: Circumferential seam welding
Circumferential seam welding is a very important part of the LNG cylinder production line. The most important thing in the process is the mig welding process, There are many materials for mig welding sheet metal welding wire, mainly aluminum wire, etc.
Description
Description
Basic Info
Model NO. EN source
Operation mode Simultaneous welding with two guns
single operation
Equipment jacking pressure Not less than 3 tons (adjustable jacking pressure)
The quality of the equipment host Not less than 5.0 tons
Workpiece placement method the welding torch is fixed and the work piece rotates
Welding seam form double ring seam is inserted into the shrinking
edge of the cylinder body and the head
After-sales Service 3-Year Warranty
   
·Note: all the machines of our company are customized. Please consult the salesman for specific parameters
 
Product Description
01Circumferential seam welding(MIG Welding) equipment for inner and outer bladder
Circumferential seam welding is a very important part of the LNG cylinder production line.
The most important thing in the process is the mig welding process,
There are many materials for mig welding sheet metal welding wire, mainly aluminum wire, etc.
02Circumferential seam welding(MIG Welding) process
MIG welding process is adopted, and 98%Ar+2%02 mixed gas is selecte as the shielding gas. 2.5~5.0mm MIG welding single-sided welding
double-sided forming at one time; equipped with Austrian Fronius company TPS5000 digital MIG/MAG pulse Automatic welding machine
(including welding power supply, wire feeder and cable, etc.).
03Circumferential seam welding(MIG Welding) results

When the workpiece assembly and surface are in good condition, the welding material and the shielding gas are in good condition,
the weld reinforcement is within the range of 0-2.5mm. The one-time pass rate of welding is greater than or equal to 90%,
the appearance is beautiful and the surface is free of defects.












 
04  Circumferential seam welding(MIG Welding)Equipment structure
The general diagram of the equipment is as follows:
LNG insulated gas cylinder double ring seam equipment is suitable for double ring seam welding of cylinder body and head, and adopts a horizontal machine tool structure as a whole. Mainly composed of bed guide rail, head and tailstock hydraulic tightening, high-precision hydraulic bracket, head and tailstock fixture, column and beam (2 sets), welding head (2 sets), hydraulic system, welding power supply system (2 sets) and electrical control system.
Equipment configuration list

                                               

NO Item Name Qty Remark
1
Welding machine system
NZ3-2×500LNG cylinder barrel MAG double gun ring seam host (including bed, head and tailstock hydraulic jacking, hydraulic bracket, column, beam and slide plate, etc.) 1 CUC
Welding head (including welding torch three-dimensional adjustment mechanism, welding seam tracking mechanism, etc.) 2 CUC
Hydraulic system 1 CUC
Hydraulic bracket 1 CUC
Loading and unloading device    
2 MIG welding power system Digital inverter single pulse gas shielded welding power supply TPS5000 2  
AUT-602 (500A duty cycle 60%) straight-handled water-cooled gas shielded welding torch 2  
Circulating cooling water tank (with refrigeration) (for welding torch water cooling) 2  
3 Head and tailstock fixture (made according to the workpiece diameter φ910mm) 1 CUC
4 Laser tracking cross slide (driven by stepper motor) 2 CUC
5 Laser tracking control system, etc. 2 CUC
6 MIG welding gun exhaust trailing cover 2 CUC
7 Pneumatic control system (including triple parts, pressure regulating valve, solenoid valve and pipeline, etc.) 1 CUC
8 Electrical control system (PLC+touch screen) 1 CUC
9 Cables, drag chains and other accessories   CUC
1 Random documents (including instructions, certificates, etc.) 2 CUC

                        

 
05Sub-item description of main equipment configuration(Welding host system&MIG welding system)
1
Machine bed guide rail
2
Column and beam
3
Active head
4
Hydraulic tailstock (including hydraulic tightening)
5
High-precision hydraulic bracket
6
The head and tailstock fixture
7
Welding head
8
Arc protection device
9
Hydraulic system
10
Welding power source
11
Welding gun
12
Laser weld tracker
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