GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||||
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01:22 Sep 16, 2014 |
English to Spanish translations [PRO] Tech/Engineering - Engineering: Industrial / Lubricants | |||||||
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| Selected response from: rodry039 Mexico Local time: 06:39 | ||||||
Grading comment
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Summary of answers provided | ||||
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5 +1 | desplazamiento de 1mm |
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5 | carrera en mm |
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1 mm stroke desplazamiento de 1mm Explanation: Traducción literal |
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Grading comment
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carrera en mm Explanation: Extracto de la norma ASTM D2783. Four Ball-Test is used to measure the Anti Wear (AW) and Extreme Pressure (EP) properties of greases and lubricating oils. The point contact interface is obtained by rotating a 12.7mm diameter steel ball under load against three stationary steel balls immersed in the lubricant. The speed of rotation, normal load, and temperature can be adjusted in accordance with published ASTM standards. To evaluate the anti wear characteristics of lubricants, the subsequent wear scar diameters on the balls is measured. To evaluate the Extreme-Pressure (load-carrying) capacity of lubricants, the normal load at which welding occurs at the contact interface is measured. "Stroke" en este caso es la carrera del pistón rotatorio fijo que rota sobre las otras tres bolas, se mide en mm. El punto final del ensayo es cuando las cuatro bolas quedan soldadas entre si midiéndose la presión final del émbolo, las rpm y la temperatura del ensayo. |
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