jaw_coupling
PDF
CONFIGURATOR

BACKLASH FREE JAW COUPLING IN STEEL

> Made in steel fully turned with standard phosphating treatment.
> Several elastomer hardnesses available.
> High torsional ridigity.
> Electric insulation between the parts.
> Statically balanced.
> Version with integrated locking assemblies (GAS/SG/CCE).

On request

> Conformity to directive ATEX possible.
> Specific surface treatments or fully stainless steel version.
> Customized manufacturing for specific requirements.
> Connection to the Torque limiter’s (safety coupling) range possible.

Description of the elastomeric element

The fundamental item of this coupling is the elastomeric element or elastomer, made in polyurethane and available in several hardness grades, for different uses and applications. The elastomer is manufactured to resist ageing, scoring, fatigue, hydrolysis and UV radiations, promoting longer life operation. It also resists main chemical agents, like ozone, oils, grease and hydrocarbons.

The elastomeric element becomes prestressed during the assembly between the relevant hub’s teeth, in order to be able to transmit the motion without backlash, so torsionally rigid inside the prestressing load. The prestressed elastomer’s surface is sufficiently wide to induce a low contact pressure on the tooth of the same elastomer, reducing permanent deformations and promoting a long life.

Atex conformity

The GAS/SG coupling can be supplied in accordance to directive 94/9/CE ATEX, which is relevant to protection apparatus and systems for use in potentially explosive spaces.
The dimensions of this coupling’s version are not different from the standard version.
A mark relevant to the coupling’s performances is printed on the hubs. It is necessary to consider planned tests, like those in the use and maintenance manual supplied together with each ATEX coupling.

The elastomeric elements used can be:

> Red elastic element in polyurethane, 98 Shore-A : II 2 G D c T6 -20≤Ta≤+60°C X U.
> Yellow elastic element in polyurethane, 92 Shore-A : II 2 G D c T5 -20≤Ta≤+80°C X U.

standard_jaw_coupling_in_steel
PDF
CONFIGURATOR

STANDARD JAW COUPLING IN STEEL

> Made in steel fully turned with standard phosphating treatment.
> Several elastomer hardnesses available.
> High compensation of misalignments.
> Vibration dampening.
> Statically balanced.
> Modularity of the components, with different assembly versions.

On request

> Conformity to ATEX directive possible.
> Specific treatments or version fully in stainless steel.
> Manufacturing made to length and customizations for specific needs.
> Connection to the Torque limiter’s (safety coupling) range possible.

Description of the elastomeric element

The fundamental item of this coupling is the elastomeric element, made in different grades of hardness for different needs and applications. The elastomer is manufactured from elements to resist ageing, scoring, fatigue, hydrolysis and UV radiations, promoting long life operation and resisting main chemical agents, like ozone, oils, greases and hydrocarbons.

Atex conformity

The GAS/SG coupling can be supplied in accordance to ATEX 94/9/CE directive, which is relevant to protection apparatus and systems for use in potentially explosive spaces.
The dimensions of this coupling’s version are not different from the standard version.
A mark relevant to the coupling’s performances is printed on the hubs. It is necessary to consider planned tests, as described in the use and maintenance manual supplied together with each ATEX coupling.

The elastomeric elements used can be:

> Yellow elastic element in polyurethane, 92 Shore-A : II 2 G D c T5 -20≤Ta≤+80°C X U.

backlash_free_and_standard_jaw_coupling_in_alluminium
PDF
CONFIGURATOR

BACKLASH FREE AND STANDARD JAW COUPLING IN ALLUMINIUM

> Made in aluminum fully turned.
> Elastomer available in different hardness.
> Weight and inertia reduced.
> Electrical insulation between the parties.
> Statically balanced.
> Modular components with different locking systems on the hubs.

On request

> Single split clamp hub with H7 bore and keyway.
> Two piece clamp hub with H7 bore and keyway.
> Conformity to Directive ATEX possible.
> Customized manufacturing for specific requirements.

Fitting

This coupling does not require particular procedures for assembly. It can be assembled both vertically and horizontally.

1) Achieve radial and axial alignments as precisely as possible, in order to have maximum absorption of possible misalignments and life of the coupling.
2) Assemble the two half-hubs on the shafts. Check that the external parts of the two shafts do not exceed the relevant half-hub’s surface (quote “N”) and fix this one to the shaft with its relevant fixing system.
3) Assemble the elastomeric element on one half-hub and close the other inserting the relevant teeths into the elastomeric element, being careful to respect the distance of the two half- hubs indicated on the catalogue, quote “P”.

In case of connection by clamp locking or locking assemblies, tighten the relevant screws progressively up to the tightening torque indicated in the catalogue, using a cross sequence.

spacer_jaw_coupling
PDF
BROCHURE
CONFIGURATOR

BACKLASH FREE JAW COUPLING WITH SPACER IN ALUMINIUM

> Made of aluminum fully turned.
> Elastomer available in different hardness.
> Simple mounting thanks to the two piece clamp hub.
> Radial assembly without removing the parts.
> Electrical insulation between the parts.
> Spacer with DBSE custom made.

On request

> Two piece clamp hub with keyway.
> Various hub connection types available.
> Conformity to Directive ATEX possible.
> Dynamic balancing up to Q=2.5.