Rotary Unions are designed for optimized coolant flow.
February 4, 2008 -
Rated for 24,000 rpm max spindle speed and 80 bar max coolant pressure, OTT-Jakob GDR single-passage rotary unions are designed for OTT-Jakob power drawbars found in machine tools with high-speed spindle and in which machine tool feeds coolant through single passage to tool. Designed to fit small unclamp units, GDP unions have hybrid bearing, balanced design, and closed sealing surface. Max spindle speed is 75,000 rpm, and max coolant pressure is 80 bar.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Advanced Machine & Engineering Co. (AME), the exclusive partner of OTT-Jakob in North America, is introducing both new and improved OTT-Jakob GD single-passage rotary unions.
OTT-Jakob manufactures special rotary unions for a variety of operations and offers three standard types: GDR-LC, GDR and GD. The rotary unions fit into OTT-Jakob unclamp units and also work with the clamping system. The unions are designed for OTT-Jakob's power drawbars found in machine tools with a high-speed spindle and in which the machine tool feeds coolant through a single passage to the tool. The unions also can conduct air for line clean-out and part dust-off.
The parameters of the type GDR union have been improved. The maximum spindle speed now is 24,000 RPM (formerly 16,000 RPM), and the maximum coolant pressure is 80 bar instead of 50 bar. As with the type GDR-LC (16,000 RPM/maximum coolant pressure of 50 bar) and type GD (36,000 RPM/maximum coolant pressure of 80 bar), the minimum volume lubrication (externally mixed) pmax is 5 bar, the cleaning air maximum (n = 0 min-1) is 10 bar, and the pressure air maximum (n< 10,000 min-1) is 5 bar.
The new GDP, a small rotary union designed to fit small unclamp units, has a maximum spindle speed of 75,000 RPM and a coolant pressure of 80 bar. It features a hybrid bearing, balanced design for high-speed rotation and a closed sealing surface. The minimum volume lubrication (externally mixed) pmax is 5 bar.
Advanced Machine & Engineering Co., located in Rockford, Ill., is a global manufacturer and distributor of precision machine components, fluid power components, fixturing/workholding, power drawbar and spindle interface components, and saw machines and blades. The company also designs and builds special machines for a variety of industries and provides machine rebuilding, retrofitting and contract manufacturing services. AME has partners and customers around the world and across the U.S. To learn more, visit www.ame.com.
Contacts:
General Information:
Kris Drennen
USA
Phone: 815-316-5277
FAX: 815-962-6483 E-mail this person Company Information: Name: Advanced Machine & Engineering Co. Address: 2500 Latham St. City: Rockford State: IL ZIP: 61103 Country: USA Phone: 800-225-4263 FAX: 815-962-6483 http://www.ame.com
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