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ESX20M-8080YSUS series of bearingless rotary joints consists of a fixed part ha installed in a protective cover and a rotating part of the main shaft, without bearings.
Due to the absence of built-in bearings, the vibration of this series of rotary joints is small, and their compact size contributes to the miniaturization of machine tools
ESX20M-8080YSUS series of rotary joints consists of a fixed part ha installed in a protective cover and a rotating part of the main shaft, without bearings.
Due to the absence of built-in bearings, the vibration of this series of rotary joints is small, and their compact size contributes to the miniaturization of machine tools.
Because the sealing material is made of ceramics that are hard, have good thermal conductivity, and self-lubricating properties, even when using coolant mixed with cutting chips
It can also maintain high-speed rotation and achieve a longer service life.
Due to its independent sealing, it can also correspond to MQL cutting (oil mist containing only a small amount of oil) and completely dry cutting (completely dry air).
Can achieve high-pressure coolant, MQL (oil mist), and dry gas dual-use.
The individually sealed structure enables long travel to be achieved. Especially for small long stroke models, the combination of machining and lathe can be achieved.
High speed adaptability: The ESX20M series typically supports speeds of up to 15000 rpm or more, making it suitable for high-speed scenarios such as machine tool spindles and automation equipment;
Medium compatibility: commonly used for coolant (water/oil), compressed air or mixed media, YSUS suffix generally refers to stainless steel material (SUS)+sealing type (such as Y-shaped seal)+single pass;
Sealing structure: using ceramic/silicon carbide for hard alloy sealing pair, wear-resistant and pressure resistant (typical working pressure 0.2-1.0 MPa), suitable for dry/wet media;
Installation and heat dissipation: The drainage port should be installed facing downwards to avoid back pressure, and the body should retain a certain degree of freedom. Some models come with auxiliary pathways to balance pressure;
Working temperature: Conventional -20 ° C to+120 ° C (depending on sealing material and medium);
Connection method: mostly card sleeve type (JIS/ISO standard) threaded interface, mainly made of 316 stainless steel, corrosion-resistant.
A rotary joint is a sealing device that connects stationary pipelines and rotating equipment, achieving leak free fluid transmission under 360 ° rotation. It allows fluid media to flow smoothly between fixed pipelines and rotating machines, and is a key component in industrial equipment
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