12. An automotive plate clutch consists of two pairs of contacting surfaces with asbestos friction lining. The maximum engine torque is 200 N-m. The coefficient of friction is 0.35. The inner and outer diameters of friction lining are 200 and 300 mm respectively. Clamping force is provided by nine springs, each compressed by 4 mm to give a force of 700 N, when the clutch is new. (i) What is the factor of safety with respect to slippage when the clutch is brand new? (ii) What is the factor of safety with respect to slippage after initial wear has occurred? (iii) How much wear of friction lining can take place before the clutch will slip?
12. An automotive plate clutch consists of two pairs of contacting surfaces with asbestos friction lining. The maximum engine torque is 200 N-m. The coefficient of friction is 0.35. The inner and outer diameters of friction lining are 200 and 300 mm respectively. Clamping force is provided by nine springs, each compressed by 4 mm to give a force of 700 N, when the clutch is new. (i) What is the factor of safety with respect to slippage when the clutch is brand new? (ii) What is the factor of safety with respect to slippage after initial wear has occurred? (iii) How much wear of friction lining can take place before the clutch will slip?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Transcribed Image Text:12. An automotive plate clutch consists of two pairs of contacting surfaces with asbestos
friction lining. The maximum engine torque is 200 N-m. The coefficient of friction is 0.35.
The inner and outer diameters of friction lining are 200 and 300 mm respectively.
Clamping force is provided by nine springs, each compressed by 4 mm to give a force of
700 N, when the clutch is new.
(i) What is the factor of safety with respect to slippage when the clutch is brand new?
(ii) What is the factor of safety with respect to slippage after initial wear has occurred?
(iii) How much wear of friction lining can take place before the clutch will slip?
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