Products
Applicable industry: Machine tools (Bearing-less type) ESX20M-T series
Rotary Joint
Features
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Minimum length type
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Applicable for M10 rotor
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Body: Stainless steel
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Minimize amount of drain by maintaining seal contact (ES20M-T010)
Fluid
- ES20M
| Fluid | Coolant | Oil mist | Dry air |
| Pressure (MPa) | ~ 12 | ~ 1 | N/A |
| Pressure (psi) | ~ 1,740 | ~ 145 | |
| Pressure (bar) | ~ 120 | ~ 10 |
- ESX20M
| Fluid | Coolant | Oil mist | Dry air |
| Pressure (MPa) | 0.5 ~ 12 | 0.2 ~ 1 | N/A |
| Pressure (psi) | 72.5 ~ 1,740 | 29 ~ 145 | |
| Pressure (bar) | 5 ~ 120 | 2 ~ 10 |
Operating specification
| Specification | Flow rate (Coolant) | Max. speed | Max. temp |
| Number | Below 20 L/min | Max. 40,000 min-1 | Max. 60 ℃ |
| Below 5.28 gal/min | Max. 40,000 rpm | Max. 140 °F |
Installation direction
| Direction | Horizontal | Vertical (Rotating part is upper side) | Vertical (Rotating part is lower side) |
| ✔ | ✔ | ✔ |
Installation specification
- ES20M
| Specification | Rotation without fluid | Min flow rate to operate seal (In case fluid is coolant) |
*Thrust loading to spindle side |
| N/A | N/A | 550 N |
- ESX20M
| Specification | Rotation without fluid | Min flow rate to operate seal (In case fluid is coolant) |
*Thrust loading to spindle side |
| ✔ | Over 10 L/min | 5500 N |
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| Over 2.64 gal/min |
Note)
*Thrust loading to spindle side
01.Thrust loading is directly proportional to fluid pressure.
02.In case fluid pressure is 7 MPa (1,015 psi, 70 bar).
Outline drawings and Installation dimensions
*Please download catalog to check details of dimensions.
Catalog download
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ROTALY JOINTS for Machine Tools
Catalog
Rotary Joint
