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Single-passage rotary unions.


Advanced Machine & Engineering, the exclusive partner of OTT-Jakob in North America, introduces improved OTT-Jakob GD single-passage rotary unions. The rotary unions fit into OTT-Jakob unclamp units and also work with the clamping system. According to the company, additional features of the GDR union include:

* A design for OTT-Jakob's power drawbars found in machine tools with both a high-speed spindle and the ability to feed coolant through a single passage to the tool.

* The ability to conduct air for line cleanout and part dust-off.

* A 24,000 RPM maximum spindle speed.

* An 80 bar maximum coolant pressure.

* A minimum volume lubrication (externally mixed) pmax of 5 bar.

* A cleaning air maximum (n = 0 min-1) of 10 bar.

* A pressure air maximum (n

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Title Annotation:New Products
Publication:Product Design & Development
Date:Feb 1, 2008
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