# AXTRA Blog | Packaging and Bottling Machinery News > The AXTRA blog shares news, insights and updates on packaging and bottling machinery for industry professionals worldwide. - Source page: https://www.axtra.com/blog/ - Language: English (en) - Last updated: 2026-08-27 - Publisher: AXTRA S.r.l. - https://www.axtra.com/ - Other languages: [de](https://www.axtra.com/de/blog.md), [es](https://www.axtra.com/es/blog-2.md), [fr](https://www.axtra.com/fr/blog.md), [it](https://www.axtra.com/it/blog.md), [pt-br](https://www.axtra.com/pt-br/blog.md), [ru](https://www.axtra.com/ru/%d0%b1%d0%bb%d0%be%d0%b3.md) --- Blog Welcome to the AXTRA blog, where we share technical insights on bottling and packaging machines, product updates and practical guidance to help manufacturers get the most from their [production lines](https://en.wikipedia.org/wiki/Bottling_line). Browse the latest articles below, or explore our product range and machine functions to find the right solution for your line. On the AXTRA blog you will find articles covering the full range of bottling and packaging technologies, from filling, capping and labelling to capsuling, cleansing and integrated line automation. Each article is written to help engineers, plant managers and production teams understand how specific machines and accessories work, what problems they solve and how they fit into a broader production line. ### [Bottle Cleansing and Sterilization: The Complete Guide](https://www.axtra.com/bottle-cleansing-sterilization-guide/) A bottle sterilization machine handles a step customers never see but every regulator and quality manager cares about: making sure the container a product goes into is actually clean before it’s filled. Cleansing systems — blowing, rinsing and sterilization — sit at the very start of a bottling line, and getting this stage right prevents contamination issues that are far more expensive to catch later. This guide explains how cleansing technologies work and when each one is required. Blowing: Removing Debris Before Filling Blowing uses filtered air to remove dust, glass or plastic particles and other loose debris from inside Read more » ### [How to Reduce Label Misapplication and Line Downtime](https://www.axtra.com/reduce-label-misapplication/) Label application problems rarely stop a line completely, which is part of why they’re so costly — a labeller that’s misapplying one bottle in fifty keeps running, quietly generating rework, waste and rejected units instead of triggering an obvious stoppage. This article covers the most common causes of label misapplication on a labelling machine and how to reduce both defects and downtime. The Most Common Label Application Problems Skewed or crooked labels, usually caused by inconsistent bottle positioning or worn guide components on the labeller. Wrinkled or bubbled labels, often from incorrect adhesive temperature (hot melt) or pressure settings, or ### [Cold Glue vs Hot Melt vs Self-Adhesive Labelling: Which Should You Choose](https://www.axtra.com/cold-glue-vs-hot-melt-vs-self-adhesive-labelling/) Cold glue vs hot melt labeling is one of the most consequential early decisions in designing a labelling station, because it affects running cost, line speed and how the label performs across different container shapes and materials. Self-adhesive technology adds a third option with its own trade-offs. This guide compares all three directly to help decide which fits a specific product and production volume. How Each Technology Applies a Label Cold glue systems apply a water-based adhesive to pre-cut labels fed from a stack, with no heating step required. Hot melt systems heat a solid adhesive — typically 275-325°F — ### [Bottle Labelling Machines: The Complete Guide](https://www.axtra.com/bottle-labelling-machines-guide/) A bottle labeling machine is often the last visible step before a product leaves the line, and it carries a disproportionate amount of responsibility for how the finished product looks on shelf. Labelling machines vary mainly by adhesive technology — cold glue, hot melt and self-adhesive — and choosing between them affects cost, speed, and how well the label performs on different container shapes and materials. This guide explains how each technology works and how to choose the right one. Cold Glue Labelling Cold glue labelling applies a water-based adhesive that does not need to be heated, using pre-cut labels ### [Filling Accuracy Explained: What +/-0.5% Really Means for Your Line](https://www.axtra.com/filling-machine-accuracy-explained/) Filling machine accuracy is usually expressed as a small percentage — ±0.5%, ±1%, ±2% — and it’s easy to skim past those numbers without realising how much they actually affect a production line. This article explains what filling accuracy really means in practice, why the difference between ±0.5% and ±2% matters more than it looks, and how to think about accuracy when evaluating a filling machine. What the Percentage Actually Means A filler rated at ±0.5% accuracy on a 750ml bottle will vary by roughly ±3.75ml around the target fill volume. At ±2% accuracy, that same bottle could vary by ### [How to Choose a Filling Machine: Volumetric, Gravity and Piston Compared](https://www.axtra.com/how-to-choose-a-filling-machine/) Knowing how to choose a filling machine starts with a question most buyers skip past too quickly: what, exactly, does the product do when it moves? Thin and free-flowing, thick and slow, or somewhere in between — the answer determines which filling technology will actually work, before speed, footprint or budget even enter the conversation. This guide compares the three most common filling technologies — volumetric, gravity and piston — to help match one to your product. Start with Product Viscosity Water-thin liquids, medium-viscosity products and thick or dense products each behave differently as they move through a filling head, ### [Liquid Filling Machines: The Complete Guide](https://www.axtra.com/liquid-filling-machines-guide/) A liquid filling machine is the station that decides how much product actually ends up in every bottle — and getting that decision right affects product cost, regulatory compliance and customer trust all at once. Because “liquid” covers everything from water to honey, filling machines come in several distinct technologies, each suited to a different combination of viscosity, carbonation and accuracy requirement. This guide explains how the main filling technologies work and how to choose between them. Filling Technologies Explained Gravity fillers rely on the product’s own weight to flow into the bottle, making them simple and reliable for thin, ### [Screw Cap vs Crown Cap vs Cork: Choosing the Right Closure](https://www.axtra.com/screw-cap-vs-crown-cap-vs-cork/) The screw cap vs crown cap vs cork decision shapes far more than how a bottle opens — it affects shelf presentation, production speed, cost per unit and, for wine, how the product ages. Each closure requires a fundamentally different capping machine technology, so the choice has real consequences for the production line, not only for the brand. This guide compares the three closures directly to help producers decide which one fits their product and their line. Screw Caps: Speed, Consistency and Reclosability Screw caps, whether pre-threaded plastic or aluminium ROPP, are applied by a rotating chuck or spindle head ### [Types of Bottle Caps and Which Capping Machine You Need](https://www.axtra.com/types-of-bottle-caps/) Not all bottle caps close the same way, and that is exactly why capping machines come in so many configurations. Choosing the right closure — and the right capping machine to apply it — depends on the product, the container material, the industry standard and how the cap needs to perform after sealing. This guide walks through the main types of bottle caps used in bottling and packaging lines and the machine technology each one requires. Screw and Threaded Caps Pre-threaded plastic caps arrive already formed with internal threads, so the capping machine only needs to rotate the cap onto ### [Bottle Capping Machines: The Complete Guide](https://www.axtra.com/capping-machines-guide/) A capping machine closes bottles and containers with a specific type of cap, applying the torque, pressure or clamping force needed to create a secure, reliable seal. Capping is one of the most variable functions in a bottling line, because the right capping machine depends entirely on the closure: screw caps, crown caps, cork, Stelvin, Guala and pressure-seal closures all require different mechanics, tooling and control logic. This guide explains how capping machines work, how to match a machine to a cap type, and what to consider when choosing or upgrading a capper for a bottling and packaging line. How ### [Keeping Bottling and Packaging Lines Efficient After Installation](https://www.axtra.com/after-installation-support-bottling-lines/) AXTRA supports installed bottling and packaging lines with technical assistance, spare parts and after-sales service to maintain efficiency over time. ### [Machine Integration into Existing Bottling and Packaging Lines](https://www.axtra.com/machine-integration-existing-lines/) AXTRA configures machines to connect with existing bottling and packaging lines, supporting smooth integration and operational continuity. ### [Which Products Can AXTRA Machines Handle?](https://www.axtra.com/products-axtra-machines-can-handle/) AXTRA machines can be adapted to different product types, including liquid, dense, carbonated, viscous and sensitive formulations. ### [How an AXTRA Machine Is Configured](https://www.axtra.com/how-axtra-machine-is-configured/) AXTRA configures each machine around product characteristics, container format, production speed, line layout and specific industrial requirements. ### [Support for Existing Bottling and Packaging Lines](https://www.axtra.com/support-for-existing-bottling-and-packaging-lines/) AXTRA helps improve existing bottling and packaging lines through consulting, spare parts and after-sales support. ### [Does AXTRA Support Custom Production Requirements?](https://www.axtra.com/custom-bottling-packaging-solutions/) AXTRA develops bottling and packaging solutions based on product, container, layout and workflow, from single machines to complete modular systems. ### [Integrated Packaging Lines with Multiple Functions](https://www.axtra.com/integrated-packaging-lines/) AXTRA integrates rinsing, filling, capping, labelling and conveyor systems into modular packaging lines designed around production needs. ### [Configurable Bottling and Packaging Machines for Different Products](https://www.axtra.com/configurable-bottling-packaging-machines/) AXTRA configures modular bottling and packaging machines for different products, formats and production needs. --- Markdown version generated by LABOOM SEO/GEO Manager for AI agents. 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