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Disk Standard Torque Type Flexible Coupling

Features:

  • Construction consisting of body and disk plate spring absorbs misalignment by disk deflection
  • High torque capacity
  • Zero backlash
  • High rotational and positioning accuracy
  • Suitable for servo and stepper motor applications
  • Material: Body (Aluminium alloy), Disk plate spring (Stainless steel)

Dimensions

Part No.ØD (mm)L (mm)L1 & L2 (mm)Ød1 & Ød2 (mm)M (mm)Mass (g)
PTC-DST-26 26 25.5 11.5 5, 6, 6.35, 8, 9.53, 10 M3 24
PTC-DST-34 34 31.3 14.1 8, 9.53, 10, 11, 12, 14 M4 46
PTC-DST-39 39 34.1 15.0 10, 11, 12, 14, 15, 16 M4 78
PTC-DST-44 44 34.5 15.0 11, 12, 14, 15, 16, 18 M4 96
PTC-DST-56 56 45.0 20.0 14, 15, 16, 18, 20, 22, 24 M5 206

Specifications

Part No.Related Torque (N.m)Max Torque (N.m)Max RPMMoment of Inertia (Kg.m2)Static Torsional Stiffness (N.m/rad)Allowable Declination (°)Allowable End Play (mm)
PTC-DST-26 1.4 2.8 10,000 1.8X10-6 690 1.0 ±0.1
PTC-DST-34 2.8 5.6 7.2X10-6 1650
PTC-DST-39 5.8 11.6 1.8X10-5 2500
PTC-DST-44 8.7 17.4 2.5X10-5 2900
PTC-DST-56 25 50 1.0X10-4 8400