GN 1422 Telescopic slides with full extension and self-retracting mechanism, load capacity up to 1290 N

Photo

Product description

Information

Telescopic slides with self-retracting mechanism GN 1422 are installed vertically and in pairs. The stroke reaches ≈ 100 % of the nominal length l1 (full extension).

The telescopic slides are delivered in pairs. They can be installed on the extension on either the left or right side due to the mechanics. All mounting holes are easy to reach through auxiliary holes. Only the mounting holes are shown, but other production-related holes may be present.

Specification

Slide profile
Steel, zinc plated, blue passivatedZB

Bearings
Roller bearing steel, hardened

Ball cage
Steel, zinc plated

Rubber stop
Plastic / Elastomer

Self-retracting mechanism
Stainless Steel / Plastic

Operating temperature -20 °C to 100 °C




RoHS

On request

other lengths and hole spacing
other attachment options
with locking device (front)
other surfaces
with support bracket

Technical drawing

3D
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GN 1422 Telescopic slides with full extension and self-retracting mechanism, load capacity up to 1290 N sketch

Article options / Table

Type

Bwith rubber stop

Identification no.

2Fastening using countersunk holes
Show / Hide columns
l1l2 +4/-4
Stroke
l3Fs  per pair in N
at 10,000 cycles

at 100,000 cycles
300285585940640
350350700960730
400400800970770
4504509001100880
50050010001190900
55055011001180980
60060012001230990
700700140012901030
800800160012101060

Build & Price

Length l1
Type

Identification no.

Finish

Mounting holes - outer slide

Show / Hide columns
l1a3a4a5a6
300192224--
350192224--
400224256--
450288320--
500320352--
550352384--
600416448--
700448480--
800384416672704

Mounting holes - inner slide

Show / Hide columns
l1i2i3i4
300141237-
350173301-
400173333-
450205397-
500237461-
550269493-
600173301557
700173333653
800205397749

Fastening screws

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:

Designation - standard
Hexagon socket countersunk head screw DIN 7991
Countersunk screw, Phillips DIN 965
Countersunk screw, Phillips DIN 7997

Outer slide
M 5
M 5
Size 5

Inner slide
M 4
M 4
Size 4 / 4,5

Rubber stop

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.
If larger static or dynamic loads occur in the direction of extension, they should be absorbed by external stop elements.

Self-retracting mechanism

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.

Information on load capacity

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.
The information on the maximum load capacity of the telescopic slides was determined in fatigue tests under the following conditions:

- Slide arrangement vertical in pairs
- Observance of all mounting information
- Warp-resistant test set-up
- Equal distribution of the load FS throughout the extension finish
- Standard slide spacing of 450 mm
- 10,000 or 100,000 test cycles
(one extraction and retraction = one cycle)
- Gradual increasing of load

Wear, performance, and maximum bending were assessed after every test segment.

Selected Part (How to order)

Weight: 1,500 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 175,00 Euro -> 10 % discount
from 275,00 Euro -> 20 % discount
from 375,00 Euro -> 30 % discount
With a total value (net) per order:
All prices in accordance with our price list No. 52, valid from 1 May 2019, plus VAT only valid for Germany.

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