System Description, Operating Principle, Technical Specifications, and Application Areas
Screw capping systems are systems that automatically tighten plastic or metal screw caps onto bottle necks.
In these systems, torque-controlled caps ensure each cap is applied with the desired tightness, guaranteeing a leak-proof product.
It can be scaled according to the production line with inline (single-head) or rotary (multi-head rotary system) types.
The lid, usually placed at the previous station, is rotated at this station and screwed onto the product's opening. The system offers high speed, torque precision, and a hygienic design.
The bottle moves along the conveyor belt with the cap already in place. When the product reaches the servo-motor-controlled crimping head, the head rotates and crimps the cap to the desired torque.
Torque adjustment can be done manually or automatically, depending on the product's form factor.
Viscosity Matching and Appropriate Product Behavior
Cover Type | Eligibility Status |
Plastic Screw Cap | ✅ Ideal area of use |
Flip-top / Push-button screw-on lid | ✅ Suitable |
Metal Screw Cap | ⚠️ A custom title may be required. |
Pump / Spray Nozzle | ⚠️ Limited – separate system recommended. |
Snap-on cover | ❌ Not suitable |
Technical Specifications
Technical Parameters | Explanation |
Cover Type | Plastic, flip-top, screw-threaded caps |
Cover Diameter | Ø20 mm – Ø70 mm |
Torque Adjustment | Manual (mechanical clutch) or servo-controlled. |
Spinning Speed | 2,000 – 10,000 units/hour |
Crimping Head Type | Single inline or multiple rotary |
Body Material | AISI 304 / 316 stainless steel |
Control Panel | PLC + 7” or 10” HMI screen |
Bottle Fixing | Mechanical side arms / star wheel |
Certificates of Conformity | CE, GMP, ISO 9001 |
Optional Equipment
• Torque-adjustable clamping head with servo motor.
• Automatic cap detection and tightening confirmation system
• Bottle fixing and centering module
• Lid height control sensor
• Switching connection to the HERMA integrated labeling station.
• Rejection system (separating products with loose caps)
• Can work synchronously with an automatic lid loading line.
• SCADA / MES integration ports
• Aseptic or clean room compatible structure
Areas of Application and Product Groups
Sector | Sample Products |
Pharmaceuticals and Medical Supplies | Syrup bottles, dropper vials |
Cosmetics and Personal Care | Shampoo, facial cleansing gel, cream |
Food and Supplements | Aroma bottles, liquid supplement products |
Cleaning and Chemistry | Detergent, disinfectant, multipurpose cleaner. |
Agriculture and Veterinary Medicine | Pesticides, liquid fertilizers, bottled solutions (in dosing form) |
Why should a screw cap tightening system be preferred?
- ✅ Torque-controlled tightening ensures leak-proof and safe operation.
• ✅ It is the standard solution in all industries where screw caps are used.
• ✅ Reduces labor costs by being integrated into automated production lines.
• ✅ Adaptable to different speeds thanks to its inline or rotary structure.
• ✅ Precision and data recording can be achieved with a servo system.
• ✅ The risk of errors is minimized through rejection and verification systems.
• ✅ Thanks to its GMP-compliant hygienic design, it is also used in pharmaceutical fields.