Product Overview
The Double-Disc Single PE Paper Cup Forming Machine is designed for high-efficiency and continuous industrial production of single-side PE coated paper cups used in beverage packaging and food service applications.
The core engineering structure adopts a dual-disc synchronized rotary system. Unlike single-turret forming systems, the load is distributed across two rotating platforms, which significantly improves mechanical balance during high-speed operation. This structural design reduces accumulated vibration and maintains stable forming accuracy during long-cycle production.
From a production perspective, the machine is built to support uninterrupted operation with consistent output quality, making it suitable for manufacturing environments that require stable daily capacity and controlled production cost per unit.
Key Performance Advantages
Dual-Disc Balanced Drive System
The load is distributed across two synchronized rotary discs, reducing mechanical stress concentration and improving operational stability under continuous production.
Stable Forming Accuracy
Cam-driven synchronization ensures consistent alignment across feeding, sealing, and bottom forming processes, reducing dimensional variation in mass production.
Optimized Production Cost Control
Improved material utilization and reduced forming deviation help minimize waste caused by misalignment or unstable sealing pressure.
Reduced Mechanical Wear
Balanced torque distribution lowers long-term fatigue on key transmission components, supporting extended operational life.
Reliable PE Coating Adaptation
The system maintains stable sealing performance for single-side PE coated paper without damaging coating integrity.
Technical Specifications
|
Item |
Specification |
|
Paper Material |
Single-side PE coated paper |
|
Paper Weight Range |
150–350 g/m² |
|
Cup Size Range |
2–46 oz (customizable) |
|
Production Speed |
70–110 pcs/min |
|
Power Supply |
380V / 220V 50Hz / 60Hz |
|
Total Power |
6–12 kW |
|
Air Pressure |
0.4–0.6 MPa |
|
Air Consumption |
≥0.6 m³/min |
|
Machine Weight |
2600–3400 kg |
|
Machine Dimension |
3000 × 1500 × 1850 mm |
Heavy-Duty Machine Structure
Steel Frame Construction: Stress-relieved heavy-gauge steel structure ensures long-term mechanical alignment and operational stability.
Modular Design: Independent modules for feeding, sealing, knurling, curling, and punching enable easier maintenance and adjustment.
10-Head Aluminum Mold Disc: Lightweight aluminum mold structure improves thermal balance and ensures stable forming performance during continuous operation.
Working Principle
Controlled Paper Feeding: Servo-controlled system ensures accurate positioning of pre-cut PE coated paper before forming.
Ultrasonic Side Sealing: High-frequency ultrasonic bonding forms a stable longitudinal seam while maintaining coating integrity.
Dual-Disc Synchronized Forming: Two rotary discs operate in coordinated motion to evenly distribute forming pressure and shape the cup body.
Bottom Sealing: Precisely positioned bottom paper is sealed under controlled pressure to ensure structural strength and leakage resistance.
Rim Curling: Mechanical curling reinforces rim strength and improves usability.
Automatic Output: Finished cups are automatically stacked for downstream packaging.
Applications
Hot beverage paper cup production (coffee, tea, hot water)
Cold drink disposable cups
Food service packaging containers
Takeaway packaging supply chains
Large-scale disposable cup manufacturing lines
Customization Options
The system can be configured according to production requirements:
- Cup size range adjustment
- Mold structure customization
- Voltage and power configuration
- Production speed tuning
- Paper material compatibility optimization
Quality Assurance Standards
Our smart manufacturing facility adheres to strict verification protocols to guarantee operational reliability:
Component Verification: Critical mechanical components undergo dimensional testing via Coordinate Measuring Machines (CMM) before entering the assembly line.
Dry-Run Verification: Fully assembled forming machines undergo a mandatory 72-hour continuous dry-run test to verify mechanical timing and kinematic accuracy.
Live Material Testing: Every machine undergoes final validation with live material trials to confirm sealing integrity, peak rated production speed, and optical sensor responsiveness under true operating conditions.
International Directives: All machinery conforms strictly to CE directives and ISO9001 quality management standards.
Packaging & Delivery
Reinforced export-grade wooden packaging
Anti-corrosion protection for key assemblies
Shock-resistant structural fixation for transport stability
Standardized container loading arrangement
Pre-shipment inspection and documentation confirmation
FAQ
Q: What is the mechanical advantage of a double-disc machine over a single-disc design?
A: The double-disc architecture physically isolates the forming phases. Separating bottom knurling and rim curling onto two distinct turnplates minimizes operational inertia, eliminates structural vibrations, distributes torque loads evenly, and yields a precise top rim curl alongside a tighter bottom seal at high production velocities.
Q: Can this machine handle both single and double PE coated paperboard?
A: This model is fully optimized for single PE coated paperboard using a hot-air system for the bottom seal and targeted heating for the side seam. For manufacturers requiring double PE coated structures for cold drink packaging, Sini Machinery manufactures specialized configurations equipped with ultrasonic sealing modules.
Q: How does the machine facilitate size transitions?
A: The machinery integrates high-precision indexing components and modular sub-assemblies featuring machined alignment markers. This design streamlines the physical calibration process and shortens mold transition times during product changes.
Q: How does the machine ensure a leak-proof bottom seal?
A: Leak prevention is executed through a synchronized multi-stage mechanism: high-accuracy servo-driven bottom paper feeding, a multi-stage hot-air pre-heating array that thoroughly softens the PE lining, and an optimized mechanical knurling mechanism that applies continuous, high-pressure compression.
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