01
Torque range and cap quality
Torque should be strong enough to seal the pack but not so high that threads, liners or closures are damaged. Variation in cap quality, liner compression and bottle stiffness can affect the final result.
Torque and tightening
Cap Tightening Machine
A cap tightening machine is selected when hand-applied caps need more repeatable torque, better productivity or easier operator workflow. The machine choice depends on how the cap starts on the thread and how the bottle behaves during tightening.
Selection notes
How this route helps you choose the right screw capper
A cap tightening machine is selected when hand-applied caps need more repeatable torque, better productivity or easier operator workflow. The machine choice depends on how the cap starts on the thread and how the bottle behaves during tightening.
- Cap tightening for screw caps and threaded closures
- Useful where hand tightening is inconsistent
- Torque planning and machine selection support
- Semi automatic and automatic options available
Buying detail
Important points before you shortlist a machine
02
Bottle holding and anti-rotation
The bottle must be held or supported while the cap is tightened. Smooth or lightweight containers may need extra grip, guides or clamping compared with rigid bottles.
03
Using samples to avoid guesswork
Real samples allow the tightening route to be tested against cap diameter, bottle height and fill weight. This reduces risk before a quotation is finalised.
Send your bottle, cap and output details to Lancing UK.
Include cap diameter, closure type, bottle size, target output, available space and whether the capper needs to connect to filling or labelling equipment.
Related routes
More pages for screw-capping buyers
Spindle Capping Machine UK
Use this route to compare the next stage of the screw capping project.
Cap Feeding System UK
Use this route to compare the next stage of the screw capping project.
Screw capper torque guide
Use this route to compare the next stage of the screw capping project.
All screw capping machines
Use this route to compare the next stage of the screw capping project.
Semi automatic screw capper
Use this route to compare the next stage of the screw capping project.
Automatic belt / spindle capper
Use this route to compare the next stage of the screw capping project.
FAQs
Questions about cap tightening machine
What is cap torque?
Cap torque is the rotational force used to tighten or remove a closure.
Why does cap tightening vary?
Variation can come from cap material, liner compression, thread quality, bottle grip and operator handling.
Can tightening be too strong?
Yes. Excessive torque can damage caps, threads or seals and make packs difficult to open.