Nearly all modern machine tools and machining centers are equipped with so-called “flood coolant”. High-speed cutting tools require both cooling and lubrication to reduce the rate of tool wear and to prevent over heating which degrades the tool’s strength. For many machining operations, such as milling or hole drilling, flood-coolant systems are less effective at delivering coolant fluid to the cutting edge.
In machining centers with through-spindle coolant (TSC), coolant fluid is conducted directly through the cutting tool to cool the cutting edge, reduce friction and remove chips. Coolant flows axially through a rotating union into the spindle and toolholder directly to the heat surface. Compared to flood-coolant systems, TSC pays for itself in terms of lower operating costs for tools and coolant.
Deublin offers the greatest variety of seal technologies and mounting configurations to fit every machining application requirement.
Rotating Unions may be used to transmit coolant, cutting oil, MQL, pressurized air in a bearingless or bearing supported configuration. Deublin seal technologies include Pop-Off, Multi-media, AutoSense and a variety of other advanced technologies for all applications.
Besides coolant delivery, Deublin unions are used for chucking, tool sensing, rotary index table and other machine tool applications. The selections in the website represent a small range of standard products. For critical applications, please contact Deublin.
Browse by Media
Most common media used for cooling in a variety of applications including printing, plastics, tire and rubber, steel, and aluminum casting
Common media that expands the temperature range of water for both heating and cooling, primarily rolls
Media used for pneumatic applications that transmit air at specific pressures or volume, including clutch, brake, machine tool, holding, clamping
Media used for applications that deliver fluid pressure for actuation, clamping, and, indexing
Media used for hydraulic applications that deliver fluid pressure for actuation, clamping, indexing; brake fluid requires unique sealing technology vs. hydraulic
Most common media for machine tool applications; through-spindle coolant dispenses at the cutting surface for greater efficiency than flood cooling
Minimum quantity lubrication or MQL is a mixture of air and coolant prevalent in machine tool applications
Media used for heating of rolls for a variety of applications including plastics, paper, tire, and rubber
Media used in heating applications, primarily rolls for paper, corrugating, converting, tire and rubber, and food processing
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Zug, Switzerland – Effective November 1, 2019, the HOERBIGER Group has acquired Deublin, a U.S.-based manufacturer of rotating unions. Deublin is a global...
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