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.