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Summary of Contents for Deublin 1112-240-001
- Page 1 ROTATING UNIONS Instruction Manual 1112-240-001 Two-Channel Bore-Mounted Rotating Union for MQL Service and Dry Running DEUBLIN Company 2050 Norman Drive Waukegan, Illinois 60085-6747 U.S.A. +1 (847) 689-8600 +1 (847) 689-8690 CustomerService@deublin.com http://www.deublin.com...
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Page 2: Table Of Contents
This instruction manual contains important information about proper installation, operation and maintenance. These instructions are copyrighted by DEUBLIN and may not be reproduced by any means. These instructions are subject to modification. Please consult DEUBLIN directly should you have any questions. -
Page 3: Dimensions
Dimensions Operating Parameters The inner channel of 1112-240-001 uses DEUBLIN patented Pop-Off™ seal technology. This kind of seal closes only when pressure is applied. When pressure is removed, the seal faces separate by a very small distance. This eliminates friction and seal wear during operation without coolant, and therefore allows unlimited “dry running”... -
Page 4: Speed Vs. Pressure
30,000 Speed (min When used within the combinations of speed and coolant pressure shown in Chart A, 1112-240-001 is designed to operate for many thousands of hours. Please consult Deublin if your application requires simultaneous speed and pressure beyond these limits. -
Page 5: Interface With Machine
Interface with Machine 1112-240-001 is designed for installation in a 48 mm counterbore with a 7.4 mm octagonal drawbar extension. This configuration sometimes is found most often on European spindles and machine tools. Detailed interface dimensions are shown in the drawing below. -
Page 6: Installation Procedure
Yoked (B-axis) spindle Vertical spindle pointed up A DEUBLIN rotating union is a highly engineering piece of equipment, containing precision bearings and many small parts. Dropping the union, using it as a hammer, or applying excessive external forces can cause internal damage and shorten the union’s operating life. - Page 7 6 o’clock and slopes side, both drain hoses will slope up. At some spindle orientations, both down continuously. drain hoses slope up. Page 7 of 11 DEUBLIN Company • 2050 Norman Drive • Waukegan IL 60085-6747 USA • +1-847-689-8600 • +1-847-689-8690 • customerservice@deublin.com...
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Page 8: Installation Diagram
The media supply must be flexible hose. Do not connect rigid pipe to the rotating union. Physical installation now is complete. To confirm correct installation and operation of the DEUBLIN 1112- 240-001 rotating union, follow these steps before replacing any cover panels: Start spindle rotation at 1000 min . -
Page 9: Preventing Premature Seal Failure
Pop-Off™ seal faces closed. Subsequent spindle rotation without coolant will cause overheating and premature failure of the seals. To avoid this, trapped air must be vented. Consult Deublin for assistance on how best to do this in your application. Troubleshooting... - Page 10 Remove and reinstall the union and lance. Page 10 of 11 DEUBLIN Company • 2050 Norman Drive • Waukegan IL 60085-6747 USA • +1-847-689-8600 • +1-847-689-8690 • customerservice@deublin.com...
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Page 11: Maintenance
Warranty For a period of one year from the date of shipment, DEUBLIN warrants that the products sold by it are free from defects in materials and workmanship. The liability of DEUBLIN is expressly limited to the replacement or rebuilding of any article, or part thereof, proven defective, when returned to the DEUBLIN Company, transportation prepaid, within a reasonable time after termination of the 365-day warranty period.
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