Components and machine parts made of plastic and metal, also hybrid, for machines, special machine construction, automation technology and robots, in particular protective elements, clamps, gears, pulleys, cylinders, shaft seals, structural components made of plastic, idler pulleys, drive wheels, roller holders, rollers, wheels, bushings, bearings, rope pulleys, bearing shells, guides, sleeves, cylinder, switch bushings, eccentrics, cams, cam discs and couplings; components and parts for elev...