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It is most suitable for welding basins, barrels, barrels and sealed thin-walled containers made of low-carbon steel, stainless steel and other materials.

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Seam welding machine is also called seam welding machine. Seam welding machine means that the weldment is assembled into a lap or butt joint and placed between two roller electrodes. The roller electrode presses the weldment and rotates, continuously or intermittently pulsed power transmission, forming A resistance welding machine with a continuous weld. It can also be said that the seam welding machine is an evolution of spot welding. Seam welding is widely used in the manufacture of joints that require tightness, and is sometimes used to weld ordinary non-sealed sheet metal parts. The thickness of the welded metal material is usually 0.1 to 2.5 mm.

1. The purpose of the circumferential seam seam welding machine

The seam welding machine is mainly used for butt welding of carbon steel and stainless steel round workpieces. Single seam or double seam can be selected according to specific requirements. Compared with the vertical circumferential seam seam welding machine, there is no too much restriction on the length of the weldment. Long pipes of three or four meters can be welded easily. This equipment can be widely used in the welding of hydraulic oil cylinders, automobile steering racks, transmission shafts, air storage cylinders, chemical and medical containers, liquefied gas tanks, fire-fighting equipment, drums and liquid storage cylinders for mines and production lines.

2. The main configuration and functions of the circumferential seam seam welding machine

Bed structure: Welded structure to ensure the rotating diameter of the workpiece and the strength of the bed. The bed is heat treated. The welding gun is relatively fixed, the workpiece rotates, and the welding position is horizontal. The workpiece is clamped and moved by a three-jaw chuck, with a lifting support mechanism in the middle.

Spindle box: The spindle is equipped with a gap fine-tuning device to effectively adjust the spindle runout after the bearing is worn. The radial and end runout of the spindle is less than 0.15mm. The coaxiality between the tailstock and the main shaft is less than 0.15mm.

Workpiece support: using linear guides, the position and height of the first work piece is manually adjusted, and the rise and fall are automatically controlled after adjustment. The workpiece support mechanism can move longitudinally along the guide rail to adapt to the welding of workpieces of different lengths.

Welding torch system: motor drive (automatic/manual), the height of each circle can be adjusted, the angle of the welding torch can be adjusted, the welding torch can be fine-tuned, and the welding torch can be moved left and right.

Swing system: The welding gun must have swing and lifting functions to realize the automatic lifting and swing of the welding gun during the welding process to complete multi-layer welding and fill the weld bead. Swing speed: 0-100 times per minute. Swing range: 0～25mm.

Anti-radiation light device: install the anti-radiation light door and close it manually when welding.

Welding process: parameters can be set in layers (including rotation angle), continuous welding. The swing of the welding gun needs to have an automatic zero return function. The number of welding turns can be set from 1 to 10 turns. It has the function of high voltage, slow wire feeding and arc ignition to ensure reliable arc ignition; and the function of low voltage and low current to close the arc and fill the arc crater.

Welding power supply: imported power supply, water-cooled welding gun, suitable for long-term welding. When the circulating cooling water tank does not start, an alarm will be issued and the welding function cannot be started.

The PLC is used to control the coordination of the operation and action of the whole machine, as well as the rotation of the workpiece during the welding process, the swing frequency, swing amplitude, swing time of the welding torch, the automatic lifting time of the welding torch, the lifting distance, the number of lifting, etc. Welding gun swing and synchronous lifting adopt a stepping motor control system, welding length adopts closed-loop detection, and position detection adopts imported non-contact switch detection.

1. Using air cylinder to pressurize, the pressure adjustment is convenient and accurate. Adopt single-phase stepless speed regulation drive, convenient and stable welding speed adjustment.

2. The driving mode can be active for the upper electrode or the lower electrode, which is convenient for users to choose. The main circuit adopts water-cooled high-power SCR components with reliable quality and stable current output.

3. The welding machine has two types of vertical welding and horizontal welding, which are suitable for welding various workpieces.

4. Widely adapt to metal manufacturing, processing and welding of hardware, home appliances, automobiles, basins, cans, etc.

Main Technical Parameters