China Double PE Paper Cup Forming Machine Manufacturers Suppliers Factory

Double PE Paper Cup Forming Machine Manufacturer - Sini Machinery

Sini Machinery designs and manufactures industrial-grade Double PE Paper Cup Forming Machines engineered for continuous, high-volume production of double-coated paper cups. These systems are optimized for cold beverage, ice cream, and frozen product packaging where robust moisture resistance and long-term structural integrity are required.

Built upon a heavy-duty reinforced mechanical chassis, our machinery synchronizes precision paper feeding, ultrasonic or multi-zone thermal sealing, and automated bottom forming to eliminate alignment drift and ensure dimensional consistency across extended manufacturing shifts.

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What Is a Double PE Paper Cup Forming Machine?

A Double PE Paper Cup Forming Machine is industrial equipment used to produce paper cups coated with polyethylene on both inner and outer surfaces.

This structure is specifically designed for applications where moisture resistance and condensation control are required, particularly in cold drink and frozen product packaging.

During production, the machine forms, seals, and shapes PE-coated paper under controlled temperature and pressure conditions to maintain coating integrity and cup structure stability.

Compared with standard paper cup forming systems, double PE production requires higher coordination in three areas:
• Thermal balance control during sealing to protect coating layers
• Pressure synchronization during forming to maintain consistent cup shape
• Structural stabilization during cooling to ensure rigidity after sealing

The machine integrates feeding, forming, bottom sealing, curling, and stacking into a continuous automated production process.

Technical Specifications

Our machinery utilizes a highly structured PLC system to harmonize all movements. Below are the standard technical metrics for our industrial lineup:

Parameter	Specification Range / Standard
Compatible Paper Material	150 – 380 gsm (Double PE Coated / Laminated Paperboard)
Cup Size Capacity	2 oz – 16 oz (Customizable mold configurations available)
Production Output Speed	60 – 120 pcs/min (Determined by cup dimensions and paper weight)
Total Power Consumption	6 kW – 12 kW
Electrical Power Supply	380V / 220V, 50Hz / 60Hz (Configured to regional grids)
Pneumatic Air Pressure	0.4 – 0.6 MPa
Net Machine Weight	2,600 kg – 3,400 kg
Control Architecture	Synchronized PLC System with Touchscreen HMI
Lubrication System	Automated Centralized Oil Feed

Key Features

Reinforced Machine Structure

Heavy-duty steel frame design reduces vibration during operation, supporting stable forming accuracy in continuous production.

Synchronized Cam Transmission System

Each station operates in precise coordination, ensuring smooth transition between forming, sealing, and output stages.

Double PE Thermal Control System

Multi-zone heating control ensures stable sealing temperature distribution and protects coated surfaces during bonding.

Stable Bottom Sealing Unit

Bottom sealing pressure is precisely regulated to ensure secure cup base formation and structural strength.

Automatic Cup Collection System

Finished cups are automatically aligned and stacked to support efficient downstream packaging.

Continuous Operation Design

The system is optimized for long-cycle production with stable mechanical performance and reduced adjustment requirements.

Machine Working Process

The machine operates through a continuous synchronized forming system:

Paper Feeding and Positioning

Double PE coated paper blanks are automatically fed with precise alignment control to ensure consistent entry positioning.

Sidewall Forming and Sealing

The paper is formed into a cylindrical structure and sealed using controlled thermal bonding while preserving coating integrity.

Bottom Paper Placement

Bottom paper is accurately positioned to ensure alignment with the cup body before sealing.

Bottom Sealing and Stabilization

Controlled heat and pressure are applied to form a stable and leak-resistant cup base.

Rim Curling Process

The cup edge is mechanically curled to improve rigidity and enhance structural strength.

Automatic Output and Stacking

Finished cups are collected and stacked automatically for packaging and handling.

Applications & Material Compatibility

Compatible Material Profiles

• Double-sided Polyethylene (PE) coated cup stock
• High-barrier moisture-resistant paperboards
• PLA-coated biodegradable or laminated alternative stocks (upon custom tooling calibration)

Target Product Applications

• Cold Beverage Packaging: Carbonated drinks, iced coffees, and fountain sodas.
• Frozen Dessert Dairy Cups: Ice creams, gelatos, frozen yogurts, and sorbets.
• Condensation-Resistant Containers: High-moisture environments where outer structural softening must be prevented.

Why Choose Sini Machinery

Sini Machinery focuses on stable mechanical engineering for paper cup forming systems designed for industrial production environments.

Each machine is developed with attention to long-term operational consistency and production efficiency.

• Key engineering principles include:
• Stable operation under continuous production loads
• Consistent forming accuracy across extended production cycles
• Controlled synchronization between mechanical stations
• Reliable output quality across batch production
• Adaptability to different coated paper conditions

The system is designed to support production stability and predictable manufacturing performance.

Quality Assurance

Each machine is inspected through structured testing procedures before delivery:

Continuous load operation testing under production conditions

Sealing strength verification for cup base stability

Thermal system calibration across multiple heating zones

Mechanical synchronization accuracy inspection

Full-cycle operational testing prior to shipment

This ensures consistent performance in real production environments.

OEM & Custom Solutions

Sini Machinery provides customization based on production requirements:

Cup size and mold configuration adjustment

Production speed optimization

Heating system configuration options

Electrical system adaptation for different regions

Machine layout customization for factory integration

Customization ensures compatibility with different production strategies and facility layouts.

Certifications & Global Export Experience

Sini Machinery machines are manufactured under standardized industrial systems and supplied to multiple international markets.
Support includes:

Electrical system configuration for regional standards, including CE conformity and UL-compliant components.

Industrial safety documentation support

Reinforced packaging for international transport

Installation and commissioning guidance

The equipment is designed for integration into global production environments with stable operational performance.

Frequently Asked Questions

Q: Why do cold beverage containers require a Double PE forming machine?

A: When cold liquids are poured into a cup, humidity in the surrounding air condenses on the outside of the container. If the cup only has an internal PE layer, the exterior paperboard absorbs this condensation, leading to structural softening and deformation. Double PE coating shields both sides from moisture, retaining complete rigidity.

Q: How does Sini Machinery prevent outer coating damage during the sealing process?

A: Our machines isolate thermal energy. By utilizing highly focused heating elements or advanced ultrasonic horn designs combined with precise mechanical dwell times, the heat is applied strictly to the seam mating surfaces. This prevents the outer, non-sealing PE areas from overheating or scuffing.

Q: Can this machine process standard single PE coated paper?

A: Yes. The machine possesses the flexibility to handle single PE material by adjustments made via the PLC interface to lower external station heating zones. Its mechanical timing and pressure parameters are fundamentally optimized to excel at the requirements of double PE profiles.

Q: What is the typical lifespan of the tooling molds and cam systems?

A: Our core cams are manufactured from high-grade alloy steel, hardened through heat treatment, and continuously serviced by an automatic centralized lubrication system. Under standard operating conditions and routine maintenance, our core transmission and tooling arrays are engineered for years of multi-shift industrial runtime.

Request an Engineered Project Quote

Maximize your line efficiency with an optimized production footprint. Please provide your target cup dimensions (Top × Bottom × Height), your preferred paper GSM range, and your available regional power specifications to our technical team at Sini Machinery.
Our engineering team will prepare a detailed machinery proposal, including estimated production speeds and tailored auxiliary options, to support your facility’s capacity expansion plan.

We're well-known as one of the leading double pe paper cup forming machine manufacturers and suppliers in China for over 20 years. If you're going to buy high quality double pe paper cup forming machine, welcome to get quotation from our factory. For price consultation, contact us.