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Toothed belt drive for quick positioning
Igus has developed a lubricant-free toothed belt drive, specifically for the low-cost sector for the fast positioning of small loads of up to 15kg. The new linear unit DryLin ZLW-0630 Basic is compact, very small and a lightweight design - a fast alternative to leadscrew drives or pneumatic cylinders. The 500 mm stroke version of the maintenance- and corrosion-free lightweight model weighs only 800 g. The stroke length is variable up to a maximum of 1,000 mm.
The guide profile and the carriage plate are made of anodised aluminium. The low deadweight ensures low mass inertia. The housings ("traverses") on the ends of the new toothed belt drive are made of the impact-resistant special plastic material Igumid G. Parts of the drive system and the sprockets are also made with tribo-optimised Igus polymers. The glass fibre reinforced toothed belt is made of neoprene, allowing extremely quiet low-vibration running. The pulleys in the end blocks run directly in high quality deep groove ball bearings. Alternatively, plastic plain bearings can be used to enable the toothed belt shaft to be used under water without corrosion. Accessories such as fastening clamps and motor flanges complement the range
The actual linear guide is based on the tried and tested DryLin W system that is already on the market. A modular system made of anodised aluminium, zinc diecast casing and tribo-plastic plain bearings. Four polymer gliders made of Iglidur J guarantee quiet and smooth speeds of up to 2.5 m/s. This makes them well suited to tasks in the field of format adjustment, handling and automation.
The flat and robust linear units can be assembled easily in a number of different ways. Thus, the drive can be fastened conveniently to the aluminium profiles using clamping elements, for example. Captive nuts, on the other hand, allow installation from three or two sides, as well as the attachment of sensors and initiators for positioning. There are also plain bores in the end blocks for individually cut threads for screw attachment at the narrow ends.
The new DryLin ZLW toothed belt shaft in the size 0630 Basic is available ex stock within 3 to 4 days. The stroke length can be determined by the customer.
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