Standard_Parts_Catalogue

Page 1901 | 3.8 Adjusting, Moving with Guides, Spindles and Ball Rollers 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 Installation position Telescopic Slides Mounting Information Telescopic slides are preferably installed arranged vertically and in pairs in a horizontal position. This ensures that the highest possible stability and torsional stiffness is reached in the smallest installation spaces and allows for absorption of the maximum load (nominal load). The performance features are optimum in this installation position, and wear is reduced to a minimum. The horizontal or lying installation of the slide is likewise possible with certain restrictions. The maximum load in this case is only about 20 % to 25 % of the specified nominal load. The less favorable slide profile results, therefore, in considerably higher bending in the extended state. As a result, the ball cages may leave streaks on the heads of the mounting screws. In case of doubt, check the function under load in a test set-up. Installing slides in a perpendicular position to the direction of extraction is not recommended because increased cage slip occurs in this case. This means that the upper and lower end position of the slide can be reached in some circumstan- ces only with an increased amount of force after a few cycles since the force of gravity causes the ball cage to become dislocated from its correct position. The following examples show possible installation positions of telescopic slides that are considered favorable or ac- ceptable and some that are regarded as unfavorable and should, therefore, be avoided. vertically, on both sides favorable vertically shifted, on both sides vertically inclined, on both sides acceptable vertically, on one side horizontally, on both sides unfavorable