![]() Want to feel your Z1 rail's true characteristics? Lay the rail on a clean, flat, and hard surface - then push down on the face of the carriage with moderate force while moving the carriage around. Any imperfections in the machining process become twice as apparent when higher preloads are involved with an absence of real load. ![]() Z1 preloaded rails will not slide as freely by hand when compared to a Z0 rail. It is recommended to wipe this oil away and inject Mobilux EP2 (or similar) grease into the greasing ports. These rails are shipped (generously) covered in shipping oil, a common practice of some manufactures to mitigate corrosion during storage and transport. Having a higher preload is a benefit for our use case, but does change the way that rails feel when move by hand. Any further interference becomes preload, as these materials are too hard to physically compress. Preload occurs after all space between two components (in this case the rail and carriage) is closed. Z1 commands a higher preload between the rail and carriage than a more typical Z0 preload. Z1 Preload to handle any load while still delivering the constraint needed for precise extrusion.īuilt-in lubrication ports for trouble-free maintenance What is a Z1 preload? Stainless Steel construction for better handling of thermal expansion and easier maintenance. We searched far and wide for a manufacturer that can deliver a quality Z1 preloaded linear rail and carriage at competitive pricing for use in 3D printer applications. Sold as a pack of 7 pairs (Rail + Carriage) (400mm lengths) KB3D Linear Rail / Guide Kit - Voron V2 350mm
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