Designed for precision sealing welding of automotive shock absorber cylinders, the Automatic Shock Absorber Seam Welding Machine employs high-efficiency seam welding technology to achieve continuous, uniform, and leak-proof welds on cylinder longitudinal seams.
With high strength and excellent sealing, it ensures shock absorbers remain oil-tight and reliable under long-term high-pressure impact, serving as core production equipment for enhancing overall performance and durability.
Certifications
40+ Patents and 2 National Software Copyrights, 10,000㎡ Factory with 100+ skilled employees.
Our Partners
We have served over 5,000+ customers worldwide, and our long-term partners include Tesla, BYD, and Siemens.Over 50+ Fortune 500 companies.
Haifei Customer Site
Core Selling Points
Precision Constant-Pressure Seam Welding | Seam Straightness ±0.2mm
Servo-driven welding wheel maintains constant pressure, ensuring seam overlap without start/stop marks for one full cylinder rotation.
High-Strength Sealed Weld | Tensile Strength ≥85% Base Material
Forms dense nuggets; post-weld air-tightness test pressure ≥2.5MPa with 100% leak-free guarantee.
High-Efficiency Automation | Single-Piece Cycle Time ≤25 Seconds
Auto-loading, positioning, welding, unloading; shift output >1000 pieces, tripling efficiency.
Adaptive to Cylinder Deformation | Floating Pressure Mechanism
Compensates for cylinder roundness/straightness errors, preventing burn-through or cold welds.
Intelligent Process Monitoring | Real-Time Current/Pressure Feedback
Real-time monitoring/recording of welding parameters; auto-stop on abnormality prevents batch defects.
Extended Electrode Life | Wheel Life ≥200,000 Cycles
Special alloy wheel with water cooling lasts exceptionally long, minimizing per-part welding cost.
Product Specifications
| Parameter | Specification |
| Applicable Workpiece | Shock Absorber Outer Cylinder (Material: Low Carbon Steel, Galvanized Steel) |
| Cylinder Diameter | Ø30 - Ø80 mm (Customizable) |
| Cylinder Length | 150 - 400 mm |
| Welding Speed | 1.2 - 2.5 m/min (Stepless Adjustable) |
| Control System | PLC + 10.4-inch Touch Screen (CN/EN) |
| Power Supply | AC380V 50Hz Three-Phase |
Application Fields
This Automatic Shock Absorber Seam Welding Machine for automotive shock absorber cylinders is an automated device specifically designed for welding the outer cylinder of shock absorbers.
Automotive Shock Absorber Assembly
Longitudinal seam welding for passenger car, commercial vehicle, and motorcycle shock absorber cylinders.
Hydraulic Cylinder Tubes
Sealing welding for various engineering machinery and agricultural hydraulic cylinders.
Pneumatic Components
Shell welding for air cylinders, air storage tanks, and other pressure vessels.
Product Advantages & Customer Benefits
| Customer Pain Points | Our Solution | Customer Benefits | |
| 1 | Low manual welding efficiency, unstable quality, reliance on skilled welders. | Fully automatic seam welding workstation with fixed process parameters. | Frees up labor, achieves 99.9% quality consistency, reduces management difficulty and labor costs. |
| 2 | Traditional welding causes deformation/spatter, requires post-cleaning/shaping, high leak rates. | Precision seam welding with concentrated heat input, no spatter, minimal deformation. | Parts flow directly post-weld, eliminating post-processing; near-zero leak rate enhances brand reputation. |
| 3 | Long changeover time for high-mix, low-volume production hurts capacity. | Quick-change fixtures & multi-recipe storage; changeover <10 minutes. | Enables flexible production, rapid market response, improves overall equipment utilization. |
| 4 | Lack of welding process data makes tracing root causes for batch leaks difficult. | Full parameter logging & MES interface supports per-part weld data traceability. | Establishes digital quality records, enables fast root cause analysis, aids quality system upgrade. |
What You Get?
Automatic Seam Welding Main Machine (with servo drive) ×1
01
Auto Loading/Unloading Mechanism (with magazine) ×1 set
02
Quick-Change Cylinder Fixtures (covers main models) ×3 sets
03
Industrial PLC Control System & Operator Station ×1 set
04
High-Efficiency Water Cooling System ×1 set
05
Why Choose Our Automatic Shock Absorber Seam Welding Machine?
We provide not just equipment, but proven welding processes and ongoing support validated by numerous Tier-1 suppliers.
- Process Know-How Database: Over 16 years of accumulated shock absorber welding process data with mature parameter packages for various materials, coatings, and thicknesses, ensuring "production-ready from day one."
- Turnkey Project Capability: One-stop delivery from workshop layout planning, installation/commissioning, to operator training and process stabilization.
- Compliance with Automotive Standards: Machine design and manufacturing follow IATF 16949 requirements, meeting audits from major OEMs for core component production equipment.
Core Value-Added Deliverables
Process Validation Report
Based on welding tests of your samples.
Digital Operation & Maintenance Manual
Includes 3D animations for easy understanding by non-specialists.
First-Year Free Remote Diagnostics
Access to Haifei Industrial Cloud for expert online support.
FAQ
01.What cylinder thickness can it weld? Any special material requirements?
02.How do you ensure consistent sealing along the entire longitudinal seam (often hundreds of mm)?
03.Will poor cylinder roundness or straightness from incoming material affect welding?
04.Does the Automatic Shock Absorber Seam Welding Machine require specialized welding technicians to operate and maintain?
05.Can it be integrated with our existing shock absorber assembly line for full automation?
06.Do the welding wheels need frequent replacement? How to determine when?
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