5 Axis CNC Hydraulic Cylinder Automatic Seam Welding Machine

 

Machine function     

1.Automatically welding the flat circle seam or fillet weld between two pipe.Welding process will be continual and steady. Welding seam appearance is good and smooth, the depth of fusion and width of fusion meet the welding requirement, leakage rate is less than 1%

2.When the location dimensions of the workpiece uniform, then can positioning automatically, convenient and reliable to use, welding quality meets the requirements, clamping fast and convenient.Machine can work continuously for 24-hour.

3.The machine equipped with the function of high voltage, slow wire feeding and arc ignition to ensure reliable arc ignition, as well as low voltage and low current arc closing and arc crater filling functions.

4.Adopt CNC system with PLC, control 5-dimensions action: rotation, welding torch up-down, forward and backward, left&right and turning angle. Walking out of the welding path, to achieve the normal welding of seam when the arc is burning continuously.

5.The welding type and welding specification can be preset, stored and recalled via the PLC. It is convenient to change parameters and state conversion through the torch screen interface.

6.The end of the workpiece is clamped and rotated by a three-jaw chuck.Before welding ,adjust the welding head position and the inclination angle of welding torch and fix well.during the welding , the welding torch is fixed, the workpiece is rotating, and the welding position is horizontal. 

7.The welding machine have a clean grounding system that will not resist the flow of electric current. The grounding electrode shall be prevented from connecting with threads to avoid the arc burn or others. Any grounding electrode shall be connected the external pipe surface.

8.reference picture of Welding seam 

 

 

Working Procedures

1.Loading the workpiece to the support brackets ,and clamp by head stock chuck tooling jig

2 Welding torch going down automatically,and adjust the welding torch position

3.Pre-supplied shielding gas

4. Completing the welding seam as the program automatically

5.Welding torch lifting up and go back to the original point automatically

6. Release the fixture on chuck and unload the pipe automatically

7 then start from the No.1 step

 

Main configuration introduction

The special machine consists of an electric numerical control head stock,one set chuck with clamp and a conductive mechanism,one set tail stock ,one set welding head with welding torch, electric control system,welding power source with wire feeding, pneumatic system.

The work video link of 5 Axis CNC Hydraulic Cylinder Automatic Seam Welding Machine

 

 

 

Technique Parameters

 

Configuration list

 

No.	Name and Model	Quantity	Mark
1	Automatic welding machine Body	1 set	Haoyu brand
2	Welding power source and push type wire feeder Japan OTC EP400 ,can use other brand as your required	1set	Japan OTC
4	Cable and connector(Haoyu brand)	1set	Haoyu brand
5	Machine operation control program	1set	Haoyu brand
6	Welding torch (water cooling type )	1 set	Haoyu brand
7	Water cooling tank	1 set	Haoyu brand
8	5 axis Welding head with welding torch	1 set	Haoyu brand
9	Chuck with clamping fixture	1 set	Haoyu brand
10	Operation control panel with MCGS Torch screen	1set
11	Electric system with Japan OMRON PLC	1 set
12	Pneumatic System	1 set	Taiwan AIRTAC brand
13	Support brackets	2sets	Haoyu brand
14	Teach pendant	1 set	Haoyu brand
15	Guide rail	1 set	Taiwan HIWIN

 

 

The machine body

The machine base is welded by heavy duty square tube and steel plate, the head stock is installed on the right side of the guide rail, and the tailstock is installed in the left side of machine base. can be adjusted left and right. The welding torch adjustment and pneumatic lifting mechanism install on the , which can be adjusted along the guide rail, the spacing can be changed, and it can be tightened after adjustment. 

 

Electrical Control System

1 CNC Control System

The CNC system controls the AC servo motor to realize the 5-axis linkage of the welding process. Rails are fully enclosed. It has five dimensions, respectively control the rotation of rotary axis, welding torch up and down, forward and backward, left&right and angled turn movement. It is composed of CNC control system, high-power AC servo motor and motor driver.

2 Using OMRON PLC as control core to control the implementation of the welding program. The system has a good stability and simple structure, which is easy to maintain. 

3.Touch screen:Adopts MCGS Torch screen as the input/output interface. The weld length and other parameters can be input via this interface. It can alarm when a failure happens during the welding process and give indication.

4 The weld length is detected by the rotary encoder close-loop system, the position detection as: welding torch position, head stock position and the tailstock position detected by imported contact-less switch.

5 The welding start point is detected automatically, and the torch automatically return back at the end of welding.

6 Integrated control panel. Control buttons, touch screen and welding parameters are all integrated on one panel, which is convenient to use and operate.

7 The welding time and weld length can be set via Torch screen. The alteration of the parameters can be input through the touch button conveniently and timely. Parameters can be stored and called.then the machine start the welding process as the program.

8. Pneumatic System

The pneumatic system is made up of electromagnetic valve, air cylinder, pneumatic triplets and pipelines, which is used to control the up and down of the welding torch. The pneumatic components are all Taiwan made AIRTAC products.

 

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