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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 187000 lbf·in21100 N·m

Maximum Slip Speed

 N/A 1100 rpm

Lining Area

 N/A 720 in²4600 cm²

Maximum Speed

Maximum Speed Complete Clutch

 N/A 1280 rpm

Maximum Speed Hub and Center Plate

 N/A 1640 rpm

Weight and Inertia

Total Weight

 N/A 680 lb310 kg

Total Inertia

 N/A 340 lb·ft²14 kg·m²

Hub and Center Plate Weight

 N/A 270 lb120 kg

Hub and Center Plate Inertia

 N/A 39 lb·ft²1.6 kg·m²

Dimensions

Minimum Bore Range2 N/A 2.75 in69.9 mm
Maximum Bore Range3 N/A 6.30 in160.0 mm

Dimension - A (Imperial Mounting)

 N/A 27.000 in685.80 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 25.50 in647.7 mm

Dimension (B) Diameter (Imperial Mounting)

 N/A 21/32 in

Quantity (Imperial Mounting)

 N/A 12

Dimension - C (Imperial Mounting)

 N/A 21.375 in542.93 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 685.00 mm

Dimension (B) Hole Circle (Metric Mounting)

 N/A 648.0 mm

Dimension (B) Diameter (Metric Mounting)

 N/A 18.0 mm

Quantity (Metric Mounting)

 N/A 12

Dimension (C) H7 (Metric Mounting)

 N/A 540.00 mm

Dimension - D

 N/A 24-7/8 in631.8 mm

Dimension -E (Ventilated Center Plate)

 N/A 9-1/2 in241 mm

Dimension - F

 N/A 2 in50.8 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.