Sakai LAD-20LS Precision Spring Coupling

Manufacturer: Sakai Manufacturing Co., Ltd.
Model: LAD-20LS

Feature

  • By enlarging the bearing through-hole of the spacer, the distance between the two shafts has minimized. It is ideal for miniaturization and downsizing of equipment.

Performance

ModelAllowable Torque (N·m)Allowable Eccentricity (mm)Allowable Angular Misalignment (°)Allowable Axial Displacement (mm)Max Rotational Speed (min⁻¹)Torsional StiffnessAxial Spring Constant (N/mm)Moment of Inertia (kg·m²)Mass (g)
Overall (N·m/rad)Plate Spring Only(N·m/rad)
LAD-20LS1.30.141±0.25100004901200391.18×10⁻⁶21

Clamping Section Transmission Capacity

ModelShaft Diameter (mm)Transmission Capacity (N・m)ModelShaft Diameter (mm)Transmission Capacity (N・m)ModelShaft Diameter (mm)Transmission Capacity (N・m)
LAD-20LS42.4LAD-20LS63.6LAD-20LS74.3
536.353.984.9
  • The allowable radial direction displacement represents the case. The eeccentricity and tilt angle are zero.
  • Simultaneous eccentricity and tilt angle restrict the allowable tilt angle.
  • The maximum shaft hole diameter shows the moment of inertia and mass.
  • Please insert the shaft securely up to the bottom of the hub (9.6 mm).
  • The recommended shaft tolerance is h6.
  • The maximum rotational speed does not consider dynamic balance.

Material

Part NumberPart NameMaterial
HubA2017
SpacerA2017
Plate SpringSUS304
WasherSUS304
Plate Spring Clamping BoltSCM435
Clamping BoltSCM435

Shaft Installation

ModelShaft Diameter (mm)Clamping Bolt
Tightening Torque (N・m)
LAD-20LS4~8M2.50.8

Press the shaft into the designated position by hand, tighten the four bolts alternately with a torque wrench in 2 to 3 steps to the specified tightening torque.

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