




Ultrasonic Paper Cup Machine ZBJ-OC12 (Open Cam)
Ultrasonic paper cup machine with open cam, an evolution of the ZBJ-X12 model. Combines the advantages of high- and medium-speed machines, offering greater reliability and durability at a competitive price. Open cam system (8 stations) for easy maintenance, with PLC control and servo motor for precision. Produces 3-16 oz cups with ultrasonic side sealing.
Technical Specifications
| Parameter | Value |
|---|---|
| Performance | |
| Nominal Speed | 70–80 pcs/min |
| Cup Size | 3–16 oz |
| Material | PE-coated paper (single- or double-sided) |
| Paper Grammage | 180–350 g/m² |
| Cup Dimensions | |
| Top Diameter | 45–90 mm |
| Bottom Diameter | 35–72 mm |
| Height | 40–136 mm |
| System | |
| Side Sealing | Ultrasonic |
| Bottom Heating | Hot air |
| Bottom Knurling | Heated (single PE) / Water-cooled (double PE) |
| General | |
| Total Power | 10 kW |
| Working Power | 4.5 kW |
| Power Supply | 380V / 50Hz / 3F |
| Compressed Air | 0.4 MPa / 0.6 m³/min |
| Approximate Weight | 2,100 kg |
| Dimensions (L × W × H) | 2,250 × 1,230 × 1,950 mm |
Advantages of Model ZBJ-OC12
Open Cam (8 Stations)
Easy maintenance, stable and reliable
Quality Gears
More efficient than chain and shaft
Single Rotary Table
More efficient and reliable operation
Servo Motor on Disk
Precision and reliability in bottom feeding
Automatic Lubrication
Longer service life for moving components
Cup Collector
One operator can manage 2-3 machines
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Typical Applications


Frequently Asked Questions
Specific technical questions about the ZBJ-OC12
The machine produces cups from 3 to 16 oz. Adjustable dimensions: top diameter from 45 to 90 mm, bottom diameter from 35 to 72 mm, and height from 40 to 136 mm. The machine includes one set of molds of the user's choice, with an option for additional molds for other sizes.
The nominal speed is 70 to 80 pieces per minute. For 7 oz cups, the machine maintains a stable 80 pcs/min. Speed is influenced by cup size, paper quality, and material thickness.
Yes. The ZBJ-OC12 processes PE-coated paper on one or both sides. For single-sided, the bottom knurling uses direct heating. For double-sided, a recirculating water cooling device must be installed on the knurling to ensure proper sealing. Side sealing uses an ultrasonic system.
The ZBJ-OC12 has 12 sensors that control the entire production process: fan paper shortage detection, ultrasonic activation, side seal verification, cup body transfer, bottom knurling, cup drop detection, discharge, counting, and motor positioning. Any failure triggers an automatic stop and displays diagnostics on the HMI.
Yes. The ZBJ-OC12 comes equipped with an integrated cup collector/stacker. Thanks to the fully automated process and the PLC+HMI system with fault diagnostics, one operator can manage 2 to 3 machines simultaneously, significantly reducing labor costs.
Interested in the ZBJ-OC12?
Our sales team can prepare a customized technical and commercial proposal for your needs.
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