Small, lightweight and lubricant-free linear drive for positioning small loads
01 June 2012
igus UK has introduced the drylin SLN-27 miniature linear axis with polymer bearings and an optional NEMA 11 certified motor. Developed specifically for simple handling tasks in confined spaces, this miniature unit offers design flexibility for the positioning of small loads. It is based on proven drylin N27 linear guide system technology, and the linear rail is made of durable anodised aluminium.
The plastic module has high wear resistance, is maintenance-free, self-lubricating and corrosion-resistant. With compact dimensions of only 22mm high by 28mm wide, it is suitable for low load sensor adjustments and feed mechanisms, as well as lightweight handling tasks such as those found in laboratory equipment.
As almost all of the components used in the drylin SLN-27 linear unit are made of either plastic or aluminium. The carriage is driven by a 5mm trapezoidal or high-helix thread leadscrew and is available in a range of pitches from 0.8mm to 5mm. The leadscrew nuts are made of iglidur high-performance polymers optimised for lubricant-free operation over the entire stroke length, which can be a maximum of 250mm.
The SLN-27 can be bought as a complete system with a NEMA 11 stepper motor fitted, all made from stock components and individually configured to the required length. Alternatively, for customers that already have a stepper motor made by another manufacturer, igus offers a ‘quick-fit’ aluminium spacer and motor flange connection to fit the NEMA 11 motor.
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