Ultrasonic Plastic Welding Machine for Smartwatch Body from altrAsonix is engineered to meet the precision, safety and cosmetic requirements of modern wearables. Smartwatch enclosures require airtight sealing, precise alignment and flawless surface finishing—making digital ultrasonic welding the ideal joining technology.
Why Smartwatch Body Welding Requires Digital Ultrasonic Technology
Smartwatch bodies contain:
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Lithium polymer batteries
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Optical heart rate sensors
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Micro PCBs
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Touch displays
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Side buttons
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Charging connectors
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Internal microphone vents
These components can be easily damaged by uncontrolled vibration or inconsistent heat.
The 20 kHz digital ultrasonic system ensures:
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Controlled amplitude
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Accurate weld energy
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Constant frequency tracking
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No heat transfer to electronics
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No vibration damage to sensors
Perfect for Round, Square, Rugged & Slim Smartwatch Designs
Whether you produce fitness bands, round dial watches, LTE/GPS smartwatches or rugged sports watches, this machine provides strong, leak-proof and cosmetically clean joints required for wearables.
Key Features
Digitally Controlled Welding for Cosmetic Enclosures
Provides invisible joint lines ideal for premium smartwatch bodies.
Safe for Internal PCB, Battery & Sensors
Prevents damage to biometric and optical components.
Accurate Amplitude & Energy Control
Ideal for ultra-thin and precision-molded plastic parts.
Supports ABS, PC & Hybrid Watch Housing Materials
Ensures stable, long-lasting welds.
Ensures IP-Level Sealing
Achieves dust and moisture-resistant enclosure bonding.
Fast Production Cycle for Wearable OEMs
Used in mass manufacturing for smartwatch and smart band enclosures.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | UPM-20K-2000W-DIGITAL |
| Frequency | 20 kHz |
| Power Output | 2000W |
| Welding Mode | Time / Manual / Energy |
| Rectifier Type | Digital |
| Input Voltage | AC 220V |
| Operation Type | Manual |
| Weight | Approx. 90 kg |
| Used For | Smartwatch bodies, fitness band enclosures, ABS/PC wearable casings, IP-rated housings |
Best Materials for Smartwatch Welding:
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PC
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ABS
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ABS+PC blend
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High-strength engineering plastics
Product Applications in Detail
Smartwatch Body Housing Welding
Ensures perfect sealing for upper and lower casings, including curved shells.
Fitness Band Enclosure Assembly
Welds lightweight wearable bands without deformation.
IP-Rated Smart Device Housings
Ideal for achieving moisture and sweat resistance.
Smartwatch Charging Port Section Welding
Ensures precise alignment around Type-C, magnetic and pogo pin connectors.
Biometric Sensor Window Integration
Welds transparent sensor windows without distortion.
Wearable Device Electronics Housing
Perfect for compact electronic assemblies requiring strong and clean joints.
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