Dual Head Ultrasonic Welding Machine
Product Description
The AC-D6900 dual head ultrasonic welding machine is developed for plastic products with two welding points, long structures, large surfaces, or asymmetrical layouts. In synchronous mode, the two welding heads descend and vibrate at the same time, allowing two welding positions to be completed in one cycle. For products that require two separate cycles on a conventional single-head machine, production output can increase by approximately 80% to 100%.
Synchronous pressure on both sides helps improve force balance and reduces uneven welding depth, one-sided joints, and deformation of long plastic components. The dual head ultrasonic welding machine also supports independent operation. Each welding head can process a different product with separately adjusted time, pressure, amplitude, and energy settings.
The distance between the two heads can be adjusted, and each head can move laterally and rotate through 360°. Electric lifting simplifies mold adjustment, while the extended heavy-duty table supports large tooling and multi-position fixtures. The dual head ultrasonic welding machine also includes automatic frequency tracking, overload protection, overheating protection, fault alarms, data storage, and optional MES communication.
Specifications
|
Model |
AC-D6900 |
|
Frequency |
28KHz / 35KHz |
|
Welding time |
0.01-9.99s |
|
Operating modes |
Synchronous dual-head / independent single-head |
|
Head adjustment |
Adjustable spacing, lateral movement, and 360° rotation |
|
Head lifting |
Electric lifting |
|
Generator system |
Two independent ultrasonic systems |
|
Control parameters |
Time, pressure, amplitude, and energy |
|
Overall dimensions |
L1250mm × W1150mm × H1950mm |
|
Machine weight |
0.2T |
|
Optional interfaces |
MES, PLC, turntable, conveyor, and robot |
|
Suitable materials |
ABS, PP, PC, PA, and other ultrasonic-weldable plastics |
Applications
- Automotive headlights and taillights
- Battery-pack housings
- Large appliance housings
- Plastic filter cartridges
- Dual-point wire-harness riveting
- Long air ducts
- Medical dual-chamber housings
- Large waterproof electronic enclosures
Product Advantages
Significantly Improved Production Efficiency
Production capacity on high-volume assembly lines nearly doubles, with shipment volumes increasing by 80% to 100% in the same amount of time, thereby reducing line wait times.
More Consistent Welding Quality for Large Parts
Long housings and large plastic parts are subjected to simultaneous pressure on both sides, ensuring even force distribution and eliminating issues such as uneven weld depth on one side or product warping and deformation; Simultaneous fusion at two points ensures higher consistency in housing sealing and structural strength, reducing the failure rate in airtightness testing.
Compact Footprint and Lower Equipment Investment Costs
Replaces two standalone single-head ultrasonic machines, occupying the space of a single unit and saving workshop floor space; procurement, maintenance, and electrical control costs are lower than those of two standalone machines, reducing long-term expenses for electricity, spare parts, and labor.
Flexible production, suitable for diverse order types
The independent single-operation mode allows simultaneous processing of two different products, eliminating the need for additional equipment in factories handling small batches of multiple models; adjustable spacing and angles enable a single machine to accommodate various housing, wiring harness, and filter cartridge products.
Durable structure, stable operation
The machine features a heavy-duty cast frame and a dual-head synchronized balancing structure, ensuring vibration-free operation at high speeds. With two independent transducer control boxes, if one circuit fails, the other can continue production temporarily, preventing the entire workstation from shutting down.
Compatibility with automated production lines
It can be integrated with turntable fixtures, assembly lines, and robotic loading/unloading systems to form a fully automated welding line. Two independent signal outputs allow the PLC to control the logic of each workstation separately. Lower energy consumption.
Quality Control
Both ultrasonic channels are tested independently and synchronously. Frequency tracking, welding time, amplitude, head balance, fixture position, alarm response, and continuous operating stability are checked before shipment.
After-Sales Service
We provide mold adjustment, parameter-setting assistance, operation training, and remote fault diagnosis. The machine is supplied with a one-year warranty and professional after-sales support.
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