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RPS-W20
RPS-SONIC
| Place of Origin | China |
|---|---|
| Brand Name | RPS-SONIC |
| Certification | CE |
| Model Number | RPS-S35 |
| Minimum Order Quantity | 1 |
| Price | negotiable |
| Packaging Details | CARTON |
| Delivery Time | 5 WORK DAYS |
| Payment Terms | T/T |
| Supply Ability | 100SET/,YEAR |
Ultrasonic welding is an efficient and pollution-free physical connection technology widely used in the welding of plastic products. Its core principle is to generate friction heat at the interface through high-frequency mechanical vibration (usually 20~40 kHz), so that the plastic molecular chains melt and recombine under pressure.
| Item | parameter |
| Frequency | 20Khz |
| Power | 2500W in max |
| Generator | Digital generator |
| Voltage | 220-240V 50/60 Hz |
| Horn material | Aluminum alloy/Steel |
| Horn size | Customized |
| Welding material | Fabric, nonwoven |
Energy transfer: The ultrasonic generator converts electrical energy into high-frequency vibrations and transmits them to the horn through the transducer.
Local melting: The horn contacts the contact surface between the lid and the bottle mouth, and the vibration friction generates instantaneous high temperature (usually 150~250°C), which softens or melts the plastic.
Pressurized curing: Cooling under constant pressure forms a dense seal at the molecular level.
1. Process flow of ultrasonic welding of beverage lids
1.1 Material selection:
Common materials: thermoplastics such as polypropylene (PP), polyethylene (PE), and PET.
Material matching: The lid and bottle mouth materials must be compatible (similar melting temperatures).
1.2 Mold design:
Welding head shape: It must match the curved surface of the lid (such as serrated or flat) to ensure uniform distribution of vibration energy.
Bottom mold support: Fix the bottle body to avoid displacement during welding.
1.3 Welding steps:
Positioning: The lid and bottle mouth are precisely aligned (error <0.1 mm).
Pressurization: Pre-pressure (50~200 N) ensures a tight contact surface.
Ultrasonic excitation: Vibration time 0.1~1 second, amplitude 20~60 μm.
Pressure-holding cooling: The pressure is maintained for 0.5~2 seconds until the molten layer solidifies.
2. Application Cases
Carbonated beverage bottle caps: Coca-Cola uses 40 kHz ultrasonic welding of anti-theft rings to achieve the "open the cap and destroy it" anti-counterfeiting design.
Mineral water bottle caps: Nongfu Spring uses ultrasonic welding technology to ensure the sealing of the bottle mouth (pressure resistance > 0.8 MPa).
Functional beverage caps: Red Bull uses a customized welding head to weld a composite structure cap with a straw groove.
Ultrasonic welding is an efficient and pollution-free physical connection technology widely used in the welding of plastic products. Its core principle is to generate friction heat at the interface through high-frequency mechanical vibration (usually 20~40 kHz), so that the plastic molecular chains melt and recombine under pressure.
| Item | parameter |
| Frequency | 20Khz |
| Power | 2500W in max |
| Generator | Digital generator |
| Voltage | 220-240V 50/60 Hz |
| Horn material | Aluminum alloy/Steel |
| Horn size | Customized |
| Welding material | Fabric, nonwoven |
Energy transfer: The ultrasonic generator converts electrical energy into high-frequency vibrations and transmits them to the horn through the transducer.
Local melting: The horn contacts the contact surface between the lid and the bottle mouth, and the vibration friction generates instantaneous high temperature (usually 150~250°C), which softens or melts the plastic.
Pressurized curing: Cooling under constant pressure forms a dense seal at the molecular level.
1. Process flow of ultrasonic welding of beverage lids
1.1 Material selection:
Common materials: thermoplastics such as polypropylene (PP), polyethylene (PE), and PET.
Material matching: The lid and bottle mouth materials must be compatible (similar melting temperatures).
1.2 Mold design:
Welding head shape: It must match the curved surface of the lid (such as serrated or flat) to ensure uniform distribution of vibration energy.
Bottom mold support: Fix the bottle body to avoid displacement during welding.
1.3 Welding steps:
Positioning: The lid and bottle mouth are precisely aligned (error <0.1 mm).
Pressurization: Pre-pressure (50~200 N) ensures a tight contact surface.
Ultrasonic excitation: Vibration time 0.1~1 second, amplitude 20~60 μm.
Pressure-holding cooling: The pressure is maintained for 0.5~2 seconds until the molten layer solidifies.
2. Application Cases
Carbonated beverage bottle caps: Coca-Cola uses 40 kHz ultrasonic welding of anti-theft rings to achieve the "open the cap and destroy it" anti-counterfeiting design.
Mineral water bottle caps: Nongfu Spring uses ultrasonic welding technology to ensure the sealing of the bottle mouth (pressure resistance > 0.8 MPa).
Functional beverage caps: Red Bull uses a customized welding head to weld a composite structure cap with a straw groove.
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