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The A10 series high-speed rotary joint is a high-speed center outlet/air type joint developed specifically for CNC machine tools, deep hole drilling, and automation equipment. Its core feature is to support switching between wet operation and high-speed dry operation
When it comes to optimizing your modern manufacturing processes, selecting the right rotary joint for CNC machines is a critical decision. The A10 series high-speed rotary joint stands out as a premier solution tailored for demanding industrial applications. Engineered for absolute precision and longevity, this component ensures seamless fluid transfer while maintaining peak operational efficiency during rigorous production cycles.
Understanding high RPM rotary union specifications is essential before upgrading your spindle equipment. The a10 series rotary joint is specifically built to handle intense rotational speeds without compromising internal seal integrity. It boasts an impressive maximum pressure rating for coolant unions, allowing it to manage high-pressure water-based coolants, air, and synthetic hydraulic fluids effortlessly. Proper media compatibility for high-speed fluid transfer is a core focus of this series, making it highly versatile across multiple demanding machining environments.
One of the standout features of this joint is its use of premium, wear-resistant materials. The silicon carbide seal faces durability ensures that the union strongly resists abrasive wear even under the harshest operational conditions. Furthermore, operators can fully leverage balanced mechanical seal design benefits, which inherently provide low friction torque in rotating union applications.
This careful engineering is highly instrumental in reducing heat generation in rotating seals, which is a common culprit for unexpected equipment downtime. Additionally, many configurations in this line come equipped with dry run protection for mechanical seals, safeguarding the entire system if the fluid flow is momentarily interrupted.
Knowing exactly how to install a high-speed rotating union is just as important as the quality of the hardware itself. Poor alignment during installation often exacerbates the impact of thermal expansion on rotating shafts, leading to dangerous vibrations and costly internal damages.
Follow these actionable tips for optimal performance:
While evaluating your equipment options, you might naturally compare A10 vs A20 rotary union performance. The A10 series is specifically optimized for ultra-high-speed, compact CNC spindle applications where rapid tool changes and swift rotations are the priority. Conversely, the A20 series might cater better to larger flow volumes operating at slightly lower RPMs. Your final choice ultimately depends on whether sheer speed or fluid volume is your primary constraint.
Structural Description
Single channel for coolant or MQL
Technology allows unlimited dry operation without medium pressure
Full flow design, unobstructed passage, avoiding residual impurities
The threaded rotor supported by bearings is easy to install
Double angle contact ball bearing
Maze structure and multiple large leakage ports to protect ball bearings
The balanced mechanical seal uses silicon carbide, which has a long service life, even under harsh operating conditions
Anodized aluminum shell for corrosion resistance
Product Description:
1. Maze style sealed box drainage can also protect bearings
2. High precision bearings operate stably without vibration
3. Hardened stainless steel rotor
4. Stainless steel springs installed outside the fluid
5. Excellent balanced sealing ensures low friction
6. The shell is made of aluminum alloy
7. Wear resistant, heat-resistant, and impact resistant tungsten carbide cover
Intended use:
The rotating joints of the 902, 903, 1109, 1110, 1111, 1121, 1151, and 1129 series are designed to provide cooling lubricant to rotating tools. During periods of stillness, compressed air can usually be used
The tool fixing area for removing chips. Rotating joint design for operation at ambient temperature
Temperature and medium temperature range from 3 ° C to 3 ° C; C to high. 70° C。
Definition of media:
Coolant‐ It is a lotion composed of water and oil-based additives
Cutting oil
MQL – Minor lubrication
For information on the working parameters and dimensions of rotary joints, please refer to
Catalog or model specific installation diagram.
The specified rotating joint design is used for non explosive environments and non flammable media.
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
F90 swivel unions Transporting equipment components from a fixed pipeline system to high-speed rotating or reciprocating motion
Q32 swivel unions
JD40 rotary joint is a key sealing component in industrial fluid transmission systems, usually referring to a rotary connection device with a diameter of DN40 (or corresponding British caliber). As a transitional sealing device that transports fluid media (such as water, steam, hydraulic oil, thermal oil, compressed air, etc.) from static pipelines to dynamic rotating or swinging equipment
