COMPACT RAIL (pdf; EN) - Rollon

Installation instructions 6Parallel installation of two railsIf two T-rails or a T+U-system are installed, the height difference of the tworails must not exceed a certain value (obtainable from the table below) inorder to ensure proper guiding. These maximum values result from the maximumallowable twisting angle of the rollers in the raceways (see tab. 44).These values account for a load capacity reduction of 30% on the T-railand must absolutely be maintained in every case.αbaFig. 105Sizeα18 1 mrad (0.057°)28 2.5 mrad (0.143°)35 2.6 mrad (0.149°)43 3 mrad (0.171°)63 5 mrad (0.286°)Tab. 44Example:NTE43: if a = 500 mm; b= a*tanα = 1.5 mmWhen using two T-rails, the maximum parallelism deviation must not beexceeded (see tab. 45). Otherwise stresses can occur, which can result ina reduction in load capacity and service life.Rail size K1 K218 0.03 0.0228 0.04 0.0335 0.04 0.0343 0.05 0.04Fig. 10663 0.06 0.05Tab. 45Note: For parallelism problems, it is recommended to use a T+U orK+U system, since these combinations compensate for inaccuracies(see pg. 42f, or 45f ).www.rollon.com65