Oldham Coupling
SOH Series

  • Why Couplings?
  • Installation Guide
  • Selection Guide
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  • Environmental Compliance
  • Made-To-Order Process
  • Varieties for Special Environments
  • Balancing Correction

SOH Series

Go to SOH Series(Index)

Oldham Coupling_Polyacetal(POM)/ General

Structure and Material
Structure Material Surface Treatment
Hub High Strength Aluminum Alloy Anodizing
Spacer Polyacetal(POM) -
Screw SCM435 Black Oxide
  • The standard surface treatment for SOH-70C, 90C and 120C (Side-clamp) is Electroless Nickel Plating.
  • There is no surface treatment for SOH-6,8,10,12 (Set-screw) and SOHM-12C(Side-clamp).
Product Features & Application
High Torque (Durability)
Torsional Stiffness
Vibration Absorption
Misalignment Absorption
Insulation of Electric Current
Minimized Reaction Force
Oil Resistance
Applicable Motors Servo
Stepping
Encoder
General
Permissible Temperature -20℃ ~ 80℃

Application : Part feeder, Cartesian Robot, Logistics facilities

Temperature Correction Factor

Please modify rated/max. torque value with the below temperature correction factor when it’s higher than 30°C.

Ambient Temperature Correction Factor
-20 ℃ ~ 30 ℃ 1.0
30 ℃ ~ 40 ℃ 0.8
40 ℃ ~ 60 ℃ 0.7
60 ℃ ~ 80 ℃ 0.55
Clamping Methods
Set-screw
(No mark)
General
With Keyway
Side-clamp (C) General
Hub Split
With Keyway
Taper-ring (T) X

※ You may check the sizes that Side-clamp Hub Split type is applicable from the “Dimensions / Performance” tables in the following pages.

How to Order
① Clamping Methods
No mark
Set-screw
C
General Side-clamp
CW
Side-clamp Hub Split
② Center-Through
No mark
Center-Solid
TH
Center-Through
③ Side-clamp Hub Split
No mark
Not Split
W
Split (Only applicable on Side-clamp Type)
④ Keyway
No mark
No Keyway
K(b size)
Keyway processed according to the indicated b size.