Robot Seam Welding Machine For Piston Rod

 Cylinder piston rod seam welding machine with robot

• Industrial Robot (Execution Core)

Role: As a flexible motion unit, it precisely controls the posture, angle, and trajectory of the welding torch.

Requirements: Typically, a medium-sized arc welding robot with a load capacity of 6-20kg is selected, with high repeatability (approximately ±0.05mm) and a sufficient reach to cover the workpiece length.

Advantages: Compared to dedicated robots, the robot's programming is more flexible, adapting to the welding of piston rods of different specifications and weld seam types.

• Dedicated Positioner (Coordinated Motion)

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​​​​​​​Role: Head-and-tailstock positioners are standard configurations. The workpiece (piston rod) is clamped between the headstock (rotary drive) and the tailstock (clamping support).

Function: It works in conjunction with the robot (coordinated motion) to ensure the weld seam is always in the ideal flat welding (PA) position, ensuring a stable molten pool, aesthetically pleasing weld formation, and optimal quality.

Features: The tailstock is usually sliding to accommodate piston rods of different lengths; the chuck or fixture requires a high degree of concentricity design.

• High-Performance Welding Torch and Wire Feeding System

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Role: The welding torch, equipped with a precise water-cooling system to ensure stability during long-term continuous welding. Its specially designed nozzle and clamping mechanism enable precise weld seam alignment and stable shielding gas coverage. Combined with the robot's high repeatability positioning accuracy, it can efficiently complete uniform and high-quality welding of critical areas of the piston rod. Commonly used is MIG/MAG (gas shielded welding).

Wire feeding system: Equipped with a high-precision servo wire feeder to ensure stable wire feeding.

**Feeding and Positioning:** Manual or automated equipment places the piston rod blank into a specialized fixture, clamps it, and precisely positions it.

**Robotic Welding:** A welding robot automatically welds the piston rod weld seam (usually a circumferential weld or a specific path) according to a preset program, controlling welding parameters in real time.

**Process Monitoring:** Sensors monitor welding current, voltage, and temperature to ensure stable weld quality.

**Cooling/Cleanup:** After welding, the workpiece cools naturally or by force, removing weld slag if necessary.

**Unloading and Transfer:** The fixture is released, and the workpiece is removed by a robotic arm or manually and transferred to the next process.

1.Normally we will use fumigation plywood case for packaging; for some big machine, we can use steel pallet and plastic filme cover.All machines are paint with anti rust paint or oil before leaving factory.
2.Package can be as customers' requirement

• Question 1: What is the core components of automatic welding machine ?
• Answer : based on different Automatic welding machine,there are mainly including PLC ,CNC control system,inverter ,servo motor with driver ,welding power source,.welding torch ,robotic .pneumatic control system.
• Question 2:Is possible to design Multi-station with more welding torch ?
• Answer :yes ,it is ok we can design one torch or two torch or more welding torch work station to increase
• Question 3: What is the brand of the core components in the automatic welding machine
• Answer :All core components are famous china brand or international brand ,such as :Welding power source ,we usually use OTC and Panasonic brand.if you need Lincoln welding power source or Miller Lincoln welding power source is ok ,we also can use it on our welding machine .
• For PLC : We usually use Omron and Siemens PLC, Customers can specify the brand
• For robot :We usually use OTC ,YASUKAWA ,ABB or kuka ,or Customers can specify the brand.
• Question 4:How many kinds of our Welding machine ?
• Answer:Based on welding power source : there are automatic TIG welding machine ,automatic MIG welding machine ,automatic submerged arc welding machine(automatic SAW machine)
• Based on application : there are Automobile parts welding machine,Automatic scaffordding welding machiine ,pipe to flange Automatic welding machine ,Tank Automatic welding machine,Hydraulic cylinder piston rod Automatic welding machine,wheels Automatic welding machine and so on .
• Based on welding seam type : circular/girth seam welding machine ,longitudinal /straight seam welding machine ,Square seam welding machine.irregular seam welding machine
• Question 5: Is it possible to extend Warranty time ?
• Answer: Yes,our warranty time usually is 1 year for free ,but can be extended as required ,the price is a little expensive .no matter how long the warranty time ,our After-sale service is lifelong .

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