B | With rubber stop |
2 | Mounting using countersunk holes |
l1 | l2 +4 / -4 Stroke | l3 | Fs per pair in N at 10,000 cycles | at 100,000 cycles |
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300 | 285 | 585 | 940 | 640 |
350 | 350 | 700 | 960 | 730 |
400 | 400 | 800 | 970 | 770 |
450 | 450 | 900 | 1100 | 880 |
500 | 500 | 1000 | 1190 | 900 |
550 | 550 | 1100 | 1180 | 980 |
600 | 600 | 1200 | 1230 | 990 |
700 | 700 | 1400 | 1290 | 1030 |
800 | 800 | 1600 | 1210 | 1060 |
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For the said loading forces FS to be absorbed reliably in the surrounding structure, all available countersunk holes of the outer and inner slide must be used. Failure to use fastening screws reduces the specified load capacity accordingly. The following screws can be used for mounting: |
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Designation - standard |
Outer slide |
Inner slide |
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The rubber stops of type B dampen the impact of the slide in the respective end position. This feature minimizes noise development and increases the lifespan. Attached to the slides in a partially concealed, partially visible manner, the stops meet each of the requirements in regard to shape, material, and hardness. |
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Telescopic slides GN 1422 have an integrated self-retracting mechanism, which improves considerably the ease of use when closing the extensions. The slides are retracted and held in the back end position automatically by means of a retraction mechanism on the last 22 mm of stroke with a force of approximately 30 newtons for each slide pair. This force has to be overcome accordingly on opening the extension. The self-retracting mechanism is also designed in such a way that it uncouples and will not be damaged when the extension is opened or closed in a jerky manner or too quickly. On the following stroke, the self-retracting mechanism clicks back into place automatically, ensuring that the function remains intact. |
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The maximum load capacity of telescopic slides depends on the slide profile, the nominal length l1, and the resulting stroke l2. Furthermore, the extension width, the slide materials used, and the parts of the component options, such as the dampened self-retracting mechanism, have a considerable influence. |
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Wear, performance, and maximum bending were assessed after every test segment. |
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