Shown in the figure is a gear-driven squeeze roll that mates with an idler roll, below. The roll i designed to exert a normal force of 5.25 N/mm of roll length and a pull of 4.2 N/mm on the material being processed. The roll speed is 300 rev/min, and a design life of 30 000 h is desired Use an application factor of 1.2, and select a pair of angular-contact 02-series ball bearings from Table 11-2 to be mounted at 0 and A. Use the same size bearings at both locations and a com bined reliability of at least 0.92. 100 dia. 20° 45 B. 200 45 70 Gear 4 76 dia.
Shown in the figure is a gear-driven squeeze roll that mates with an idler roll, below. The roll i designed to exert a normal force of 5.25 N/mm of roll length and a pull of 4.2 N/mm on the material being processed. The roll speed is 300 rev/min, and a design life of 30 000 h is desired Use an application factor of 1.2, and select a pair of angular-contact 02-series ball bearings from Table 11-2 to be mounted at 0 and A. Use the same size bearings at both locations and a com bined reliability of at least 0.92. 100 dia. 20° 45 B. 200 45 70 Gear 4 76 dia.
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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اريد الحل كتابة يد
Transcribed Image Text:Design
Shown in the figure is a gear-driven squeeze roll that mates with an idler roll, below. The roll is
designed to exert a normal force of 5.25 N/mm of roll length and a pull of 4.2 N/mm on the
material being processed. The roll speed is 300 rev/min, and a design life of 30 000 h is desired
Use an application factor of 1.2, and select a pair of angular-contact 02-series ball bearings from
Table 11-2 to be mounted at 0 and A. Use the same size bearings at both locations and a com
bined reliability of at least 0.92.
y
=2(0125(0.12
100 dia.
A
45
20°
200
45
70
Gear 4
76 dia.
anaular-
B.
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