Information
Precision hinges GN 7580 supply a pivoting movement to elements such as swing arms, spacers and clamping plates. The wear-resistant precision hinges feature low radial play and adjustable axial play.
A variety of installation situations can be covered by combining the various inner and outer leaves. Precise positioning can be achieved with dowel pins in the fit bores of the screw-on surfaces.
The bearing bushings and the tapped bushings of types B and D are supplied preassambled in the hinge leaves. The hinge pin, thrust washers and adjusting screws are packaged separately.
Load Capacity
Precision hinges GN 7580 have been subjected to extensive load tests. For these tests, the hinge leaves were positioned using dowel pins and screwed on with socket cap screws at the respective rated torque.
The values for FA, FR0 and FR90 were determined in compression tests with gradually increasing force and slow loading and unloading. The permissible load capacity was selected as the value after which a very low plastic deformation, irrelevant to the function, remained. The failure loads of the hinges are many times higher than the specified values.
| Code no. | Radial load capacity | Axial load capacity |
| FR0 in N | FR90 in N | FA in N |
| GN 7580-ALS-40-55-* | 1500 | 1500 | 1250 |
| -ALS-55-70-* | 3500 | 3500 | 2000 |
| -ALS-75-100-* | 7500 | 7500 | 5000 |
Applying the torque values specified in the table results reproducibly in an elastic setting displacement, measured at the specified distance from the pivot point.
| Code no. | Permissible torque | Setting displacement |
| M0 in Nm | s |
| GN 7580-ALS-40-55-* | 20 | 0,3 |
| -ALS-55-70-* | 40 | 0,3 |
| -ALS-75-100-* | 100 | 0,3 |
The information on load capacity are non-binding guide values to the exclusion of any liability. In general, they do not constitute a warranty of condition. The user must determine whether a product is suitable for the intended use in each individual case. Environmental influences and aging may affect the specified values.
