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To be protected from excess load or stress torques for tightening clamping or thrust mechanisms must often be limited. Elesa+Ganter has for these cases newly developed the GN3663 torque limiting knob which combines easy and convenient handling and many customising options.

When designing their standard elements Elesa+Ganter has always been user-orientated and application optimised. One more recent example of this tight intermeshing with the requirements in practice is the new GN3663 torque limiting knob. The name already hints at its special functionality: the handle is optionally fitted with an internal or external thread, but also with close-fit bore and serves for quick clamping or for operating mechanical actuating elements.

The integrated torque mechanism allows the manual torque transfer only up to a fixed torque maximum. Once this maximum is reached, the disk spring / engagement pin combination will “over-engage” and reliably prevent the non permissible force transfer. In the opposite direction the torque mechanism will lock, the undoing e.g. of a screw connection is therefore not subject to any force limitation and is possible at any time. The standard element is available both with clockwise and anticlockwise mechanism with the diameters of the black oxidised knobs dimensioned to match the maximum torques which may be
applied manually. Elesa+Ganter offers standard torque ratings ranging from 0.7 to 5.5 Nm.

Other customised torques can also be realised in smaller unit quantities. When mounting the close fit bore variants one special advantage is the fact that torque component and output side can be separated. This sophisticated modular concept allows virtually any output side solution.No constructive changes when retrofitted and compared with a torque tool is a great deal more practical and cost-effective.
Long-term tests with over 10,000 operations have shown that no significant wear and tear will occur and that the rated torque will not change.

For more information, click here.

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Assembly pins are certainly not a new invention, but Elesa+Ganter has once again been able to optimize apparently fully developed parts according to the application and to combine them with other standard securing parts. Assembly pins are unspectacular, but essential constructional elements. Elesa+Ganter has taken this universal standard part and further improved it.

Stainless steel assembly pins from the GN 2342 series are available in all common diameters from 8 to 20 millimeters in practical lengths. Three different end washer forms and the selection by means of a code number between assembly pin with and without transverse spring cotter pin holes diversify the series even further.

One of the end washers is a simple turned stainless steel collar washer which holds the axially inserted assembly pin in the correct position in the hole.The eyelet washer version having a hole in which a retaining cable or a ball chain can be attached protects the assembly pin from getting lost as well as the matching spring cotter pin which secures the assembly pin axially through the transverse hole.

The third type of washer offers a fastening tab with an elongated hole, which simultaneously secures the assembly pin axially and against rotation and is attached without play using a countersunk screw.
All washers are non-detachably screwed to the assembly pin via their axial countersunk hole.

This design favors the implementation of solution-specific special lengths, which are available in compara- tively low quantities on request.Both washers with protection against loss can also be ordered separately as GN2344 for individual applications, for example, for further retaining cables or for specific assembly pins. Because Elesa+Ganter keeps focus on the big picture, the Furtwangen facility revised the spring cotter pin as well: The securing element which is available as GN 1024, is based unlike the DIN standard on even-numbered wire gauges, which simplifies matching to the associated through hole.

The spring cotter pins are available in steel and stainless steel, as well as with single or double winding. With the latter form, the flat spring characteristic curve facilitates easy fitting.

For more information, click here.