Conventional Ball Recirculation Circuit

Today's blog entry relates to ball screws. My references include the following:

1. Jim Breen's WWWJDIC Server
2. AHR International
3. NSK Corporation
4. Barnes Industries, Inc.
5. Europe NSK
6. Australia NSK
7. Thomas Net Industrial News Room
8. CD-ビジネス技術 実用英語大辞典
9. CD-The American Heritage Dictionary of the English Language

Here is the original Japanese:

• 従来チューブ循環方式

Here is the original translation:

• conventional tube type

Let's break it down:

• 従来 conventional
• チューブ tube
• 循環 recirculation
• 方式 method

My suggestion for this translation would be:

• conventional ball recirculation circuit
• external ball return system

Notes:

• "method" is defined as a means or manner of procedure, especially a regular and systematic way of accomplishing something: a simple method for making a pie crust; mediation as a method of solving disputes. Thus, "method" is not an appropriate when talking about the way ball bearings recirculate inside the circuit or system of a ball screw.
• "system" is used by some ball screw manufacturers, but I think this word is a little vague.
• "type" is also a little bit vague, but might be OK for conversation. Among engineers, however, it would be better to use an exact phrase that is clear and concise.
• "tube" sounds a bit too amateurish for me. Also, "tube" does not tell us exactly what function it performs.
• "recirculation circuit" clearly tells us what function is performed and how. Furthermore, "recirculation" is consistently used by bearing engineers across several fields at various companies across the globe.

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