JSB Automation

The Spin Welding Machine for Plastic is a precision industrial welding system designed to join thermoplastic components with circular or cylindrical joint interfaces using high-speed frictional heat. Ideal for applications in automotive, consumer goods, medical devices, electronics, and packaging industries, this machine delivers strong, leak-proof welds with rapid cycle times and consistent quality.
This equipment uses a powerful motor to rotate one plastic part against the other under controlled pressure. The generated frictional heat melts the adjoining surfaces, and when rotation stops, the parts are held under pressure while the molten interface solidifies — forming a durable molecular bond without the use of adhesives or external heating elements.
Key Features
High-Torque Motor: Efficiently generates the required speed for consistent weld quality.
Adjustable Parameters: Easily set rotation speed, weld time, and pressure for different materials.
PLC/HMI Control: Intuitive interface for repeatable, programmable welding cycles.
Robust Construction: Industrial-grade frame for stable performance in high-volume production.
Quick Cycle Times: Welds completed in seconds, maximizing throughput.
Strong Weld Joints: Produces uniform, hermetic seals with excellent mechanical strength.
Suitable Materials
Polypropylene (PP)
Polyethylene (PE)
Acrylonitrile Butadiene Styrene (ABS)
Nylon
Polyvinyl Chloride (PVC)
Other compatible thermoplastics
Typical Applications
Automotive parts (filters, housings, caps)
Consumer products & containers
Medical device assemblies
Electrical/electronic enclosures
Fluid handling components
Benefits
No consumables like adhesives or solvents
Clean and energy-efficient process
Minimal thermal distortion
Ideal for automation and high-volume production