You are asked to design a plain surface journal bearing to carry a steady radial load of 5.25 kN while the shaft rotates at 1080 rpm. The shaft stress analysis determines that an acceptable diameter of the journal is ds 62.5+0.000 '-0.050 mm, a bushing with a diameter dn = 62.6±8:308 mm, and an l/d ratio is 1.. We shall use +0.100 -0.000 %3D SAE 40 oil as a lubricant, at an inlet temperature of 45 °C. The shaft is part of a machine requiring good precision, so for a minimum radial clearance (Cmin) analyze the hypothetical bearing, O Determine the operating temperature Tave, and operating viscosity Have-. ) Determine the minimum film thickness, ho, temperature rise of the lubricant, ATc, the total oil flow, Q, and side flow Qs in [mm3/s], the maximum film pressure Pmax developed in [MPa].
You are asked to design a plain surface journal bearing to carry a steady radial load of 5.25 kN while the shaft rotates at 1080 rpm. The shaft stress analysis determines that an acceptable diameter of the journal is ds 62.5+0.000 '-0.050 mm, a bushing with a diameter dn = 62.6±8:308 mm, and an l/d ratio is 1.. We shall use +0.100 -0.000 %3D SAE 40 oil as a lubricant, at an inlet temperature of 45 °C. The shaft is part of a machine requiring good precision, so for a minimum radial clearance (Cmin) analyze the hypothetical bearing, O Determine the operating temperature Tave, and operating viscosity Have-. ) Determine the minimum film thickness, ho, temperature rise of the lubricant, ATc, the total oil flow, Q, and side flow Qs in [mm3/s], the maximum film pressure Pmax developed in [MPa].
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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