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Oldham Coupling
SOH Series

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SOH Series

Go to SOH Series(Index)

Oldham Coupling_VESPEL Spacer / For Vacuum, High-temperature application

Structure and Material
Structure Material Surface Treatment
Hub Stainless Steel Electro-polishing
Spacer VESPEL (PI) -
Screw STS304 -
Product Features & Application
Minimized Outgas
High Torque (Durability)
Torsional Stiffness
Chemical Resistance
Misalignment Absorption
Insulation of Electric Current
Minimized Reaction Force
Permissible Temperature -20℃ ~ 200℃

Application : Semi-conductor machine, OLED vacuum machine, High-temperature applications, cleanroom facilities.

Features of SOHSV Series
  • Excellent for high-temperature applications in regards of heat resistance.
  • Outgas amount is relatively lower and it’s ideal to be used in cleanroom facilities and vacuum applications.
Properties of VESPEL Material
Item Test Method Value Unit
Physical
Properties
Density ISO 1183-1 1.43 g/㎤
Thermal
Properties
Heat
Deflection
Temperature
(1.8 Mpa)
ISO 75-1 340
Coefficient
of Thermal
Expansion
(23 - 300℃)
- 45x10-6 m/m·K
Mechanical
Properties
Tensile
Strength
ISO 527-1 163 Mpa
Elongation at yield ISO 527-1 7.5 %
Rockwell
Hardness
ISO 2039-2 E95
How to Order
① Keyway
No mark
No Keyway
K(b size)
Keyway processed according to the indicated b size.