Automatic Ropp Screw Capping Machine

Description

Automatic ROPP Screw Capping Machine is a specialized packaging machine designed to apply and seal aluminum ROPP caps onto bottles, typically made of glass, plastic, or metal. These machines are widely used in industries such as pharmaceuticals, beverages, food, cosmetics, and chemicals due to their ability to create tamper-evident, leak-proof seals. The Automatic ROPP Screw Capping Machine is engineered for high-speed, efficient, and precise Capping of bottles with ROPP caps, which are unthreaded aluminum shells that are shaped and sealed onto the bottle neck during the capping process. The machine automates the entire capping process, from cap placement to threading and sealing, making it ideal for medium to large-scale production lines. It ensures consistent torque, tamper-evident seals, and high output, minimizing human intervention and enhancing productivity.

  • Cap Feeding: ROPP caps are automatically fed from a cap feeder and oriented correctly before being placed onto the bottle neck.

 

  • Bottle Handling: Bottles are transported via a conveyor system, with mechanisms like in-feed worms and star wheels ensuring proper spacing and alignment.

 

  • Capping Process: The capping head, typically equipped with four rollers, presses the cap onto the bottle neck, forming threads and a tamper-evident seal. Two rollers shape the cap’s skirt and seal it, while the other two create threads matching the bottle’s neck.

 

  • Output: The sealed bottles are moved to the next stage of the packaging line via an exit conveyor or star wheel.

 

  • Setup: Requires specification of bottle and cap dimensions for customization. Samples are often needed for precise configuration.

 

  • Maintenance: Stainless steel construction and minimal moving parts reduce maintenance needs. Regular cleaning ensures compliance with hygiene standards.

 

  • Safety: Dual-button start systems and emergency stops ensure operator safety, with some models featuring “no cap, no roll” mechanisms.

If you need details on specific models, pricing, or comparisons with multi-head machines, let me know!

Working Principle of Automatic Ropp Screw Capping Machine

The filled bottles moving on conveyor belt and fed into an in feed star wheel by in-feed worm. While moving in feed star wheel, bottles pick up caps one by one from delivery chute. The descending rotary sealing heads hold bottle’s neck with desired pressure. The sealing is done in a programmed roll-on manner, accurate positioned of the caps is done mechanically by means of a rotating unscramble, to direct the caps correctly into the chute, when the chute is filled up the rotating unscramble drive is disengaged, hence, there is no chance to damage of caps. The sealing roller takes place due to rotating sealing head and transfer movement of sealing & threading rollers due to sealing cam. The sealed bottles are discharged by exist star wheel on conveyors.

Technical Specification of Automatic Ropp Screw Capping Machine

Model

ACSR-60

ACSR-120

ACSR-200

No. of Capping Heads

Single

Four

Eight

Production Rate

Up to 50 Containers/Minute

Up to 80 Containers/Minute

Up to 180 Containers/Minute

Container Diameter:

24mm to 90mm

24mm to 90mm

24mm to 90mm

Container Height:

50mm to 250mm

50mm to 250mm

50mm to 250mm

Cap Diameter:

20mm, 25mm & 28mm with the help of change parts

20mm, 25mm & 28mm with the help of change parts

20mm, 25mm & 28mm with the help of change parts

Power Specification:

1 H.P.

1 H.P.

2 H.P.

Electrical characteristics

440 Volts, 3 Phase, 50 Hertz, 4 Wire System

440 Volts, 3 Phase, 50 Hertz, 4 Wire System

440 Volts, 3 Phase, 50 Hertz, 4 Wire System

Conveyor Height

800mm to 900mm adjustable

800mm to 900mm adjustable

800mm to 900mm adjustable

Optional Accessories

Safety Cabinet Covering Machine

Safety Cabinet Covering Machine

Safety Cabinet Covering Machine

PLC with HMI

PLC with HMI

PLC with HMI

Overall Dimension

1500mm (L) X 850mm (W) X 1800mm (H) approx.

1675 (L) x 1000mm (W) x 1800mm (H) approx.

2000 (L) x 1000mm (W) x 1800mm (H) approx.

* Power voltage can be adjusted as per customer’s domestic power voltage requirements.
* Rights of technical improvements & modification reserved.
* Illustrations & dimensions are shown for information purpose only.

Types of Capping and Sealing Machine

Applications of Capping and Sealing Machine

Benefits of Automatic Ropp Screw Capping Machine

Efficiency: Automates capping, significantly increasing production speed compared to manual or semi-automatic machines.

Product Safety: Tamper-evident seals protect against contamination and unauthorized access, critical for pharmaceuticals and beverages.

Cost-Effectiveness: Reduces labor costs and minimizes errors, with low maintenance due to robust stainless steel construction.

Flexibility: Handles a wide range of bottle and cap types with quick adjustments, making it suitable for diverse products.

Key Components of Automatic Ropp Screw Capping Machine

  • High Output: Depending on the model, these machines can cap 30 to 400 bottles per minute. For example, single-head machines achieve 30–50 bottles/min, while multi-head models can reach 300–400 bottles/min.

 

  • Versatility: Compatible with various bottle shapes and sizes, as well as cap sizes. Adjustable capping heads and height settings allow quick changeovers.

 

  • Tamper-Evident Sealing: Forms a secure, leak-proof seal with a tamper-evident ring, ensuring product safety and consumer trust, especially in pharmaceuticals and beverages.

 

  • Automation: Fully automatic operation with minimal human intervention, featuring cap orientation, placement, and sealing. Some models integrate with filling and labeling machines for a complete packaging line.

 

  • Precision and Consistency: Advanced torque control ensures uniform sealing, preventing leaks or cap damage. Servo-driven systems and variable frequency drives enhance accuracy.

 

  • Durability and Hygiene: Stainless steel construction ensures longevity and compliance with strict hygiene standards, ideal for food, beverage, and pharmaceutical applications.

 

  • Ease of Use: Intuitive controls, minimal setup time, and tool-free changeovers reduce downtime. Some models feature digital counters for tracking production output.

 

  • Customizability: Machines can be tailored to specific bottle and cap dimensions, with options for additional heads or integration with other packaging equipment.

FAQ for Automatic Ropp Screw Capping Machine

The machine is available in different models:

  • Single Head: Up to 40–60 bottles per minute
  • Four Head: Up to 80–120 bottles per minute
  • Six / Eight Head: Up to 150–200 bottles per minute (depending on model)

Output varies based on bottle size, cap diameter, and product characteristics.

The Automatic ROPP Screw Capping Machine supports a wide range of formats:

  • Bottle Diameter: 24 mm to 90 mm
  • Bottle Height: 50 mm to 250 mm
  • ROPP Cap Sizes: 20 mm, 25 mm, and 28 mm (with suitable change parts)

It is suitable for both glass and plastic bottles commonly used for syrups, oral liquids, and pharmaceutical products.

ROPP (Roll-On Pilfer Proof) capping uses aluminum caps that are rolled and crimped onto the bottle neck, providing a strong tamper-evident seal. Once opened, the pilfer-proof ring breaks, clearly indicating tampering. In contrast, normal screw capping simply tightens plastic or metal threaded caps. ROPP capping is preferred in pharmaceutical and liquor industries where product integrity and security are critical.

The machine comes with multiple safety interlocks for reliable operation:

  • No Bottle – No Cap system
  • No Cap in Chute – Machine Stop (via sensors)
  • Safety clutch mechanism to prevent bottle breakage during jamming
  • Overload protection
  • Precise torque and rolling pressure control for consistent sealing

These features ensure minimum product wastage and high operational safety.

Countries We Export to

United States | Canada | Mexico | Brazil | Argentina | Chile | Colombia | Peru | Germany | United Kingdom | France | Italy | Spain | Netherlands | Belgium | Switzerland | Sweden | Austria | Denmark | Norway | Poland | Finland | Czech Republic | Hungary | Portugal | Ireland | Greece | Slovakia | Romania | Bulgaria | China | Japan | India | South Korea | Indonesia | Vietnam | Thailand | Malaysia | Philippines | Singapore | Bangladesh | Pakistan | Saudi Arabia | United Arab Emirates | Israel | Turkey | Iran | Qatar | Kuwait | South Africa | Nigeria | Egypt | Algeria | Morocco | Kenya | Ghana | Tunisia | Australia | New Zealand | Russia | Ukraine | Belarus | Kazakhstan | Taiwan | Hong Kong | South Sudan | Uzbekistan | Oman | Jordan | Bahrain | Sri Lanka | Myanmar | Lebanon | Mongolia | Ethiopia | Libya | Angola | Zambia | Zimbabwe | Mozambique | Ivory Coast | Senegal | Uganda | Tanzania | Botswana | Ecuador | Venezuela | Bolivia | Paraguay | Uruguay | Trinidad and Tobago | Panama | Guatemala | Costa Rica | Honduras | El Salvador | Nicaragua | Dominican Republic | Haiti | Cuba

Partner with Industry Experts

Connect with our engineering team to discuss your specific production requirements. We provide customized, cGMP-compliant machinery solutions designed to optimize your manufacturing facility and maximize output.

Adinath International manufactures high-precision vial powder filling machines and complete packaging lines, providing reliable, hygienic, and efficient solutions for global pharmaceutical industries.

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