Receiver & Oil Separator Robotic Welding Cell | haibao robot

Complete welding cell

Robot and rotary positioner

Circumferential end-cap welding

Welding viewed through the observation window

1cell

Robot + rotary positioner

3part types

Receivers, oil separators and gas–liquid separators

Burn-through risk on thin-wall circumferential seams

Long shell-to-end-cap seams concentrate heat in thin material. Excessive current can cause burn-through or local collapse; insufficient current can leave incomplete penetration. Manual welding depends heavily on the welder’s control.

Leak-tightness at complex nozzle joints

Nozzle-to-shell and nozzle-to-head joints follow three-dimensional curves. Maintaining the torch angle by hand is difficult, increasing the risk of porosity or lack of fusion. A failed leak test can mean cutting out and re-welding the joint.

Frequent changeovers across small production batches

Receivers of different diameters and lengths require repeated alignment and trial welds. Setup time can exceed the actual welding time.

Inconsistent weld profiles and extra finishing

Variations in bead width and reinforcement between operators increase the grinding required before pickling and painting.

Continuous circumferential welds with fewer restarts

The positioner rotates continuously while the robot completes the circumference in a flat welding position. Fewer arc starts and stops improve weld continuity, with improved first-pass leak-test results in this application.

More consistent nozzle fillet welds

Programmed three-dimensional paths make bead width and reinforcement more consistent from nozzle to nozzle, reducing dependence on individual welding technique.

Reduced burn-through and distortion on thin-wall parts

Coordinated welding parameters and rotation speed stabilize heat input, reducing local collapse and weld distortion in thin-wall shells.

Changeovers through fixtures and programs

Each part size uses its corresponding program and fixture setting. Changeover moves from repeated manual alignment and trial welding to a fixture change and program selection.

“With thin-wall shells like these, our main concerns are burn-through and failed leak tests. After commissioning, the circumferential welds were even all the way around, and the nozzle fillet welds were consistent too. Leak testing became much easier to manage. When changing sizes, we select the program and change the fixture—it is much faster than the manual alignment we used before.”

— Production Manager, Wuxi Yongjian Metal Products

Planning a Robotic Welding Cell for Refrigeration Components?

Send us the shell diameter, wall thickness, material, head geometry, nozzle locations, batch size and required delivery schedule. We can develop a preliminary proposal covering positioner selection, cell layout and the welding process.

haibao robot

Contact: Shao Yicheng · Key Account Project Director · International Welding Engineer (IWE)

Mobile: +86 177 5158 3908   Office: +86 519 8837 0688

Email: masterhyper@163.com

Address: No. 129 Yingbin Branch Road, Henglin, Wujin District, Changzhou, Jiangsu, China

Equipment models on this page are based on the on-site nameplates and photographs. Workpiece dimensions, wall thickness and cycle time must be evaluated against the specific drawings. Final configuration is subject to the contract and technical agreement.