Deublin 1114-927-930 rotary union for Dry Running Coolant and Air Service

Description

The Deublin 1114-927-930 Rotary Union is part of the AutoSense Bore-Mounted Rotary Union series, specifically designed for coolant, dry-running coolant, and compressed air service in modern machining centers. Engineered to automatically adapt to different media, this union combines intelligent sealing technology with robust durability, making it one of the most reliable solutions for CNC machining environments.

By integrating AutoSense technology, the 1114-927-930 rotary union eliminates the need for manual adjustments when switching between air purge, dry running, and wet coolant service, providing flexibility and protection for high-performance CNC spindles.

Whether your operation involves high-speed machining, tool cooling, or air blow-off cycles, the Deublin 1114-927-930 ensures smooth performance, extended spindle life, and reduced downtime.

For machine shops and manufacturers seeking to maximize uptime, reduce maintenance costs, and unlock the full potential of their multi-purpose machine tools, the 1114-927-930 represents the pinnacle of rotary union design and performance.

Key Features of Deublin 1114-927-930 Rotary Union

Single-Passage Media Transfer

Designed with a single passage for both coolant and dry air, allowing flexible use in machining applications that require efficient cooling and chip removal.

Innovative AutoSense™ Technology

The patent-pending AutoSense system automatically switches between closed seals and controlled leakage operation. This ensures reliable performance by adapting to the type of media—whether coolant or dry air—without manual adjustments.

Bore-Mounted Design for Easy Installation

Compact bore-mounted configuration enables quick and simple installation into machine spindles, reducing setup time and ensuring compatibility with a wide range of CNC equipment.

High Axial Movement Capacity

Engineered to accept up to 19 mm of axial drawbar movement, providing durability and flexibility during tool changes and high-speed machining operations.

Precision Hybrid Ball Bearings

Equipped with ISO Class P4 hybrid ball bearings, combining steel races with ceramic balls to deliver smooth, low-friction operation at high speeds while minimizing heat generation.

Advanced Bearing Protection System

A labyrinth sealing system paired with large venting passages prevents coolant ingress and extends bearing life, ensuring reliable long-term operation under demanding conditions.

Full-Flow, Unrestricted Design

The full-flow configuration eliminates internal obstructions, preventing swarf or debris buildup and ensuring consistent coolant delivery for precision machining.

Durable Mechanical Seals

Balanced silicon carbide mechanical seals provide exceptional wear resistance and long service life, even in challenging environments with abrasive media.

Corrosion-Resistant Construction

Manufactured with anodized aluminum housings and stainless steel components, the union resists corrosion and extends its operational lifespan in harsh shop environments.

High-Speed Ready

Optimized for use in high-speed spindles, this rotary union ensures reliable delivery of coolant or air without compromising machine performance.

Applications

The Deublin 1114-927-930 is the definitive solution for any industry that relies on high-precision, multi-function CNC machining centers. Its unique capabilities make it indispensable in:

Aerospace Manufacturing

Machining complex components from titanium, Inconel, and aluminum, where both aggressive material removal with TSC and delicate finishing with MQL are required.

Automotive Production

High-volume manufacturing of engine blocks, transmission components, and molds that demand efficiency and minimal downtime.

Mold and Die Making

Creating intricate molds that require a variety of cutting strategies, including deep-hole drilling with TSC and fine surface finishing, where air blasts are used to clear chips.

Medical Device Manufacturing

Machining orthopedic implants and surgical instruments from hardened stainless steels and exotic alloys, where precision and contamination-free operation are paramount.

General Job Shops

For shops that handle a wide variety of materials and jobs, the flexibility of the AutoSense™ union eliminates the need for specialized machines or frequent component swaps.

FAQ

Q1: What is AutoSense technology in the Deublin 1114-927-930 rotary union?
AutoSense automatically detects whether the medium is coolant or compressed air, adjusting seals accordingly to prevent premature wear.

Q2: Can the 1114-927-930 handle dry-running operations?
Yes, it is specifically designed for dry-running coolant and air service, making it ideal for CNC spindles.

Q3: Is it compatible with all CNC machines?
The bore-mounted design is compatible with most modern CNC machining centers. Always check spindle bore dimensions before installation.

Q4: How often does it require maintenance?
With AutoSense and built-in lubrication, maintenance is minimal. Regular inspection every 6 months is recommended.

Q5: Are aftermarket equivalents available?
Yes. High-quality aftermarket equivalents offer the same performance as OEM Deublin unions at a lower cost.

Customer Reviews

⭐ “Perfect for CNC Dry Running”

Our CNC spindle needed a union that could handle both coolant and compressed air. The 1114-927-930 AutoSense rotary union exceeded expectations—no more seal damage during air purge cycles.

⭐ “Great Value Alternative”

Performs identically to OEM Deublin unions but at a much better price point. AutoSense function makes it a must-have for any modern machining center.

Final Recommendation

The Deublin 1114-927-930 AutoSense Bore-Mounted Rotary Union is the go-to solution for CNC machining centers that require reliable coolant and air transfer. With its intelligent AutoSense sealing, bore-mounted compact design, and high-speed compatibility, it offers maximum protection for spindles, reduced downtime, and long-term cost savings.

If you are searching for a durable, high-performance, and cost-effective alternative to OEM rotary unions, the 1114-927-930 AutoSense Rotary Union is the perfect choice.