FHW-F / BA

Product catalog summary

Overview
The FHW-F/BA safety coupling with clamping hub is used in direct drives, such as motor-ball screw drives. It consists of the FHW-F safety coupling and the torsionally rigid metal bellows coupling MKJ-S. This coupling protects machinery from overload and compensates for misalignment of the connected shafts.

Specifications

FHW-F/BA 3: Release torque: 0.7-3 Nm, Torsional stiffness: 2.1 x 10³ Nm/rad, Lateral stiffness: 7 N/mm, Axial stiffness: 14 N/mm, Max lateral misalignment: ±0.2 mm, Max axial misalignment: ±0.7 mm, Inertia: 0.04 x 10^-3 kgm², Mass: 0.3 kg, Clamping screws: DIN 912-12.9 M4/M2.5, Tightening torque: 4.5/1.6 Nm.
FHW-F/BA 25: Release torque: 3-25 Nm, Torsional stiffness: 12 x 10³ Nm/rad, Lateral stiffness: 110 N/mm, Axial stiffness: 13 N/mm, Max lateral misalignment: ±0.2 mm, Max axial misalignment: ±0.9 mm, Inertia: 0.3 x 10^-3 kgm², Mass: 0.9 kg, Clamping screws: DIN 912-12.9 M5, Tightening torque: 8 Nm.
FHW-F/BA 60: Release torque: 10-60 Nm, Torsional stiffness: 33.5 x 10³ Nm/rad, Lateral stiffness: 262 N/mm, Axial stiffness: 49 N/mm, Max lateral misalignment: ±0.2 mm, Max axial misalignment: ±0.9 mm, Inertia: 1.0 x 10^-3 kgm², Mass: 1.8 kg, Clamping screws: DIN 912-12.9 M6, Tightening torque: 14 Nm.
FHW-F/BA 160: Release torque: 40-160 Nm, Torsional stiffness: 80 x 10³ Nm/rad, Lateral stiffness: 357 N/mm, Axial stiffness: 78.5 N/mm, Max lateral misalignment: ±0.2 mm, Max axial misalignment: ±1.25 mm, Inertia: 3.9 x 10^-3 kgm², Mass: 3.7 kg, Clamping screws: DIN 912-12.9 M8, Tightening torque: 35 Nm.
FHW-F/BA 400: Release torque: 120-400 Nm, Torsional stiffness: 160 x 10³ Nm/rad, Lateral stiffness: 611 N/mm, Axial stiffness: 60 N/mm, Max lateral misalignment: ±0.2 mm, Max axial misalignment: ±1.5 mm, Inertia: 11.7 x 10^-3 kgm², Mass: 8.6 kg, Clamping screws: DIN 912-12.9 M12, Tightening torque: 120 Nm.

Additional Information
The specified release torques are achieved with different disc springs. Special versions are available upon request.

Catalog excerpts

Direkte Antriebe FHW-F/BA mit Klemmnabe Die Sicherheitskupplung FHW-F/BA wird in Direktantrieben eingesetzt. (z.B. Motor-Kugelrollspindel). Sie besteht aus der Sicherheitskupplung FHW-F und der verdrehsteifen Metallbalgkupplung MKJ-S. Sie schützt die Maschine vor Überlast und gleicht Fluchtungsfehler der zu verbindenden Wellen aus. Bestellbeispiel: FHW-F/BA 60; D1 Ø 22 H7 / D2 Ø 18 H7 / 45 Nm Sonderausführungen vorhanden und auf Anfrage. FHW-F/BA 3 Ausrastmomente 0,7-3 Nm* Torsionssteife 10 3(Nm/rad) 2,1 Federsteife lateral(N/mm) axial (N/mm) 7 14 max. Wellenversatz lateral ±(mm) axial ±(mm) 0,2 0,7 Trägheitsmoment 10 -3 (kgm 2) 0,04 Masse ca. (kg) 0,3 Klemmschrauben DIN 912-12.9 M4/M2,5 Anzugsmoment MA(Nm) 4,5/1,6 FHW-F/BA 25 Ausrastmomente 3-25 Nm* Torsionssteife 10 3(Nm/rad) 12 Federsteife lateral(N/mm) axial (N/mm) 110 13 max. Wellenversatz lateral ±(mm) axial ±(mm) 0,2 0,9 Trägheitsmoment 10 -3 (kgm 2) 0,3 Masse ca. (kg) 0,9 Klemmschrauben DIN 912-12.9 M5

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Anzugsmoment MA(Nm) 8 FHW-F/BA 60 Ausrastmomente 10-60 Nm* Torsionssteife 10 3(Nm/rad) 33,5 Federsteife lateral(N/mm) axial (N/mm) 262 49 max. Wellenversatz lateral ±(mm) axial ±(mm) 0,2 0,9 Trägheitsmoment 10 -3 (kgm 2) 1,0 Masse ca. (kg) 1,8 Klemmschrauben DIN 912-12.9 M6 Anzugsmoment MA(Nm) 14 FHW-F/BA 160 Ausrastmomente 40-160 Nm* Torsionssteife 10 3(Nm/rad) 80 Federsteife lateral(N/mm) axial (N/mm) 357 78,5 max. Wellenversatz lateral ±(mm) axial ±(mm) 0,2 1,25 Trägheitsmoment 10 -3 (kgm 2) 3,9 Masse ca. (kg) 3,7 Klemmschrauben DIN 912-12.9 M8 Anzugsmoment MA(Nm) 35 FHW-F/BA 400 Ausrastmomente...

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lateral ±(mm) axial ±(mm) 0,2 1,5 Trägheitsmoment 10 -3 (kgm 2) 11,7 Masse ca. (kg) 8,6 Klemmschrauben DIN 912-12.9 M12 Anzugsmoment MA(Nm) 120 *Die angegebenen Ausrastmomente werden mit verschiedenen Tellerfedern erreicht

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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