R Series

High Torque / Small Envelope

R Diagram

R Logo

The R series design provides maximum torque within a small envelope. In the R Series design, the piston and actuating cylinder, which is integral with the mounting hub, rotate. Bearings are not required. The shaft on which the hub mounts is rifled and cross drilled to provide passage for the actuating media. A press fit or cap seals are necessary to prevent media pressure loss due to seepage past the hub and shaft interface.

Although the R series design can withstand high rotational speeds, consideration must be given to disengaging and freewheeling speeds when the units are hydraulically actuated. Review the maximum disengaging speed for each standard model.

 

Features

  • Hydraulic or Pneumatic Actuation
  • Does Not Require Bearings
  • Short Axial Length
  • Fast Response
  • Minimal Drag, Positive Disengagement
  • Light Weight
  • Maximum Torque
  • Minimal Actuating FlowR Image
  • Can be Modified to Meet Specific Application Requirements

 

Operation: Pressurizing the cylinder with fluid or air forces the piston to clamp and lock the friction and separator discs, and release springs. Torque is transferred through the clutch to the drive cup. When pressure is removed, the release springs separate the separator discs and maintain a running clearance between separator and friction disc surfaces.

Mounting: The shaft on which the clutch hub mounts is rifled and cross-drilled to provide passage for the actuating media. A press fit or cap seals are necessary to prevent media pressure loss due to seepage past the hub and shaft interface.

Lubrication: R Series clutches and brakes are designed for wet or dry operation.

R Series Dimensions

 

Features

  • Maximum Torque / Minimum Envelope
  • Hydraulic or Pneumatic Actuation
  • Fast Engagement / Quick Release
  • Modified Standards for Specific Design Requirements

 

View of a modified standard Logan S 300 Series clutch (right) which replaced an Ortlinghaus style electromagnetic clutch (left). The clutch, drive cup and disc pack were modified on the Logan S300 to fit within the existing Electromagnetic clutch envelope.

 

Logan Outperforms Electromagnetic Clutches

Logan has the design and manufacturing capability to replace existing and obsolete electromagnetic clutches with Logan technology.

Logan vs. Electromagnetic Clutches

  • Transmits more Torque and has higher RPM capabilities within the same envelope.
  • Eliminates residual DC magnetism in disc packs and bearings-reduces downtime.Side view showing identical axial length, and 3-Disc Pack configuration of the Logan S300 and Ortlinghaus Style Clutch.
  • Disc Pack, Bearing Kits and Seal Kits for Logan clutches are available from stock.

 

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