We built a custom solution for the M6C-5S8XH51-T005 encoder, intended for applications where a larger hollow bore and stable direct shaft mounting are both required in harsh industrial service. This configuration uses a 1 1/8 inch bore, end-of-shaft mounting, and a 51 rotor family output class, giving it a larger-bore mechanical position within the M6C platform. It is not a general-purpose large-bore encoder for loose shaft tolerance. It is a controlled mounting solution where bore fit, collar loading, and anti-rotation geometry determine whether feedback remains usable. Typical production lead time: 15 working days under confirmed configuration.

Custom Solution Photos

M6C-5S8XH51-T005 Hollow Shaft Encoder Large Bore-EncoderWorks
M6C-5S8XH51-T005 Hollow Shaft Encoder Large Bore-EncoderWorks

Stable output in this configuration depends directly on bore fit, shaft engagement, collar balance, and anti-rotation arm setup shown here.

System Limits

This configuration is limited by large-bore fit quality, housing stability, and installation accuracy, not by nominal enclosure strength.

A larger hollow bore does not automatically create easier installation. It creates a different fit condition that must still be controlled. The encoder fails when bore clearance, engagement quality, or shaft runout allow the housing attitude to shift during rotation. The manual makes clear that excessive housing movement becomes more severe with RPM and that maximizing engagement reduces wobble. For this reason, large-bore versions are governed by fit quality first, not by nameplate frequency.

Priority of limits:

  • Bore fit and engagement determine stability before electrical limits dominate
  • Housing wobble increases with speed and degrades output
  • Installation accuracy determines whether larger-bore mounting remains stable

This configuration is constrained primarily by fit quality and mounting control, not encoder capability alone.

Installation and Wiring Constraints

This model must be installed as a controlled large-bore hollow shaft system.

  • Use the flexible anti-rotation arm, not rigid mounting
  • Do not force the encoder onto the shaft
  • Tighten the clamping collar evenly on both sides
  • Maximize shaft engagement to reduce wobble
  • Confirm shaft diameter matches the encoder bore requirements
  • Use suitable field wiring and entry hardware for the installation environment
  • Maintain enclosure integrity during service

Field boundary:

  • Poor large-bore fit → unstable mounting behavior
  • Short engagement → encoder tilt and drift
  • Uneven tightening → eccentric rotation
  • Shaft runout → housing wobble rises with speed
  • Installation drift → signal instability before nominal limits

Incorrect installation will invalidate signal performance before any structural limit is reached.

Replacement and Interface Mapping

  • Suitable for systems requiring large-bore hollow shaft incremental feedback
  • Applicable where 1 1/8 inch bore fit and direct shaft mounting are critical
  • Not suitable where shaft tolerance or engagement control cannot be ensured
  • Output arrangement can be adapted within the platform

Key Data

  • Model: M6C-5S8XH51-T005
  • Type: Hollow shaft incremental encoder
  • Bore size: 1 1/8 inch
  • Mounting style: End-of-shaft
  • Resolution class: 51 rotor family
  • Signal type: Incremental square wave
  • Frequency range: 0 to 250 kHz
  • Max speed: 5000 rpm
  • Supply voltage: 5 to 24 VDC
  • No-load current: approx. 120 mA per output
  • Maximum additional load: 10 lb axial, 30 lb radial
  • Protection: IP66

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