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This newly developed Ulex Pro cutting disc, with self-sharpening blades, can even cut thin branches and tree trunks. For safety reasons these blades could not be used so far in portable devices; mechanical parts that were light and at the same time tough enough were not available. Due to the frequent use in dirt and in different weather conditions, the requirements for the used components are very high. When used in forest clearing, the blades sometimes hit rocks or other hard objects.
Plain bearings made of iglidur® Q connect the carrier shaft and the blade shaft of the cutting disc. With a force of up to 1400 kilograms, they ensure that the blade rotation adjusts the balance between centrifugal force and cutting resistance, and can even completely turn around the axis if the impact is especially hard.