Advanced polymer manufacturer igus continues to innovate in its ongoing development of drylin polymer linear guides, designed to replace traditional lubricated systems and improve machine reliability. The elimination of lubrication also reduces contamination risks in sensitive sectors such as food processing and pharmaceuticals.
Linear guides are essential in machines that move along fixed axes where traditional systems rely on grease and oil. Friction at the bearing-guide interface is the leading cause of premature failure, while lubricants themselves introduce contamination risks in sensitive applications.
According to Juan-Eric Davidtz of igus South Africa, the drylin linear guides address these issues by using tribo-optimised iglidur polymers that glide smoothly across corrosion-free surfaces without lubrication. The principle of gliding instead of rolling eliminates friction-related wear, and ensures maintenance-free operation even under extreme conditions, including dirty environments, submersion, chemical exposure, and temperature extremes.
“We recently introduced PFAS-free and hygienic-certified linear guides, including the world’s first EHEDG-compliant system designed for food safety applications,” says Davidtz. “Our hybrid roller carriages and compact locking carriages are expanding the portfolio into precision positioning for consumer appliances and automotive interiors. Some ranges, such as our SLX, can handle loads up to 600 kg.”
“Locally we have many customers in packaging, mining and heavy industries that require good mechanical and corrosion resistance, while steel, manufacturing and other industries require high heat resistance, dust resistance and hygienic equipment. Medical laboratories and food and beverage users can adopt hygienic-certified systems aligned with international standards. We also assemble locally, which shortens lead times and makes technical assistance readily available.”
The combination of corrosion-free materials and tribo-optimised polymers improves durability, and contributes to lower noise performance in environments where quiet operation is essential. The modular design allows flexible installation across different rail profiles and pillow blocks, making the systems suitable for diverse applications.
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