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The Low Inertia Clutch (LIC) is well-suited for high-cycle applications, such as steel shears and stamping presses. The LIC design reduces the rotational mass during starts and stops, allowing for increased cycles per minute and reduced deceleration times. This advantage also lends to reduced heat generation.
Unit of Measure

Specifications

Brands

 N/A WPT®
Static Torque at 100 Pounds per Square Inch (psi) (7 Bar) Pressure1 N/A 56500 lbf·in6390 N·m

Maximum Slip Speed

 N/A 1640 rpm

Lining Area

 N/A 330 in²2100 cm²

Maximum Speed

Maximum Speed Complete Clutch

 N/A 1840 rpm

Maximum Speed Hub and Center Plate

 N/A 2460 rpm

Weight and Inertia

Total Weight

 N/A 240 lb110 kg

Total Inertia

 N/A 72 lb·ft²3.0 kg·m²

Hub and Center Plate Weight

 N/A 74 lb34 kg

Hub and Center Plate Inertia

 N/A 12 lb·ft²0.47 kg·m²

Dimensions

Minimum Bore Range2 N/A 1.88 in47.8 mm
Maximum Bore Range3 N/A 3.90 in99.1 mm

Dimension - A (Imperial Mounting)

 N/A 18.750 in476.25 mm

Dimension - A Tolerance (Imperial Mounting)

 N/A +0.000 in-0.003 in+0.00 mm-0.08 mm

Dimension (B) Hole Circle (Imperial Mounting)

 N/A 17.50 in444.5 mm

Dimension (B) Diameter (Imperial Mounting)

 N/A 21/32 in

Quantity (Imperial Mounting)

 N/A 8

Dimension - C (Imperial Mounting)

 N/A 14.375 in365.13 mm

Dimension - C Tolerance (Imperial Mounting)

 N/A +0.003 in-0.000 in+0.08 mm-0.00 mm

Dimension - A Tolerance (Metric Mounting)

 N/A +0.00 mm-0.08 mm

Dimension - A (Metric Mounting)

 N/A 470.00 mm

Dimension (B) Hole Circle (Metric Mounting)

 N/A 445.0 mm

Dimension (B) Diameter (Metric Mounting)

 N/A 18.0 mm

Quantity (Metric Mounting)

 N/A 8

Dimension (C) H7 (Metric Mounting)

 N/A 370.00 mm

Dimension - D

 N/A 17-1/2 in444.5 mm

Dimension -E (Ventilated Center Plate)

 N/A 8 in203 mm

Dimension - E (Ductile Slotted Center Plate)

 N/A 9-1/2 in241 mm

Dimension - F

 N/A 1-3/4 in44.5 mm

Features

Features

 N/A
  • High cycle life
  • Predictable preventative maintenance
  • Available in hydraulic or pneumatic actuation
  • Solid, slotted, or ventilated center plates options
  • Available with Full Marine Corrosion Protection package
  • Compatible with the Power Performance LI upgrade

Note

Note

 N/A Consult WPT® Application Engineering for application assistance, service factors, specifications, and detailed drawings/3D models.
  • 1 Dynamic (slipping) Torque is 75% of the Static Torque.
  • 2 Contact WPT® for larger bore sizes. Listed bore sizes are for square key.
  • 3 Contact WPT® for larger bore sizes. Listed bore sizes are for square key.