HKI 97-112 up to 191 | Double joint coupling

Accessories – mechanical

  • For encoder attachments with increased offset (parallel/axial)
  • Play-free, torsion resistant, failsafe and isolated
  • Extends service life of encoders
  • Options: Variety of attachment possibilities
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The flexible connections

The isolated and corrosion proof HKI metal multiple disc couplings compensate an increased parallel misalignment up to ±1 mm and an axial misalignment up to ±2 mm as well as extending the service life of encoders in the process. Double joint couplings are optionally available with attachment options for large bore diameters up to 40 mm as well as for shafts without a feather key (positive fit) or tapered shaft.

Technical Data

AttributeValue
Product usage
  • Compensate axial misalignment
  • Compensate parallel misalignment                                
  • Isolate against existing bearing/shaft currents
Coupling specification

Stainless steel coupling with plastic screws (electrically isolated)

Bore drive side

Max. Ø 40 mm with keyway / taper: 20 mm or 32 mm
(larger diameter possible by means of adapter shaft)

Bore encoder side

Max. Ø 40 mm with keyway / taper: 20 mm or 32 mm
(larger diameter possible by means of adapter shaft)

Outer diameter

Ø 97 mm

Total length

112 - 191 mm

Mounting accuracy

Radial misalignment: up to ±1 mm / axial misalignment: up to ±2 mm

Maximum rotation

12000 rpm

Temperature range

-40 °C to +110 °C

Shock resistance

10 g (briefly 100 g)

Vibration resistance

3 g (briefly 20 g)

Insulated against currents

Yes

Mechanical options

Attachment to larger shaft diameters possible with adapter shaft

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