Engineering Mechanics

(^688) „„„„„ A Textbook of Engineering Mechanics 33.17.CONDITION FOR TRANSMISSION OF MAXIMUM POWER We have already discussed in ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 689 Example 33.12. A belt 100 mm × 10 mm thick is transmitting power ...

(^690) „„„„„ A Textbook of Engineering Mechanics 33.19.INITIAL TENSION IN THE BELT When a belt is wound round the two pulleys (i ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 691 Let T 1 = Tension in the tight side of the belt, and T 2 = Tensi ...

(^692) „„„„„ A Textbook of Engineering Mechanics A belt connects two pulleys A and B 4 m apart. The pulley A is 1 m diameter, w ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 693 Resolving the reactions vertically to the groove. R= R 1 sin α + ...

(^694) „„„„„ A Textbook of Engineering Mechanics Soluton. Given: Power to be transmit (P) = 1 MW = 1000 kW; Diameter of the pull ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 695 Deduce the relation between the tensions on the tight side and ...

(^696) „„„„„ A Textbook of Engineering Mechanics CHAPTERCHAPTERCHAPTERCHAPTERCHAPTER 696 Transmission of Power by Gear Trains 34 ...

Chapter 34 : Transmission of Power by Gear Trains „„„„„ 697 34.2. FRICTION WHEELS Consider two plain circular wheels A and B hav ...

(^698) „„„„„ A Textbook of Engineering Mechanics Dedendum circle. The part of a gear inside the pitch circle is called dedendum ...

Chapter 34 : Transmission of Power by Gear Trains „„„„„ 699 Internal gears. Sometimes, the gear of the two shafts mesh internal ...

(^700) „„„„„ A Textbook of Engineering Mechanics 34.7. VELOCITY RATIO OF A SIMPLE GEAR DRIVE It is the ratio between the velocit ...

Chapter 34 : Transmission of Power by Gear Trains „„„„„ 701 34.9. TRAIN OF WHEELS Sometimes, two or more gears are made to mesh ...

(^702) „„„„„ A Textbook of Engineering Mechanics Multiplying equation (ii) by (i), 32 21 N N NN × =^21 32 TT TT × or 3 1 N N 1 3 ...

Chapter 34 : Transmission of Power by Gear Trains „„„„„ 703 Since the wheel 1 gears with the wheel 2, therefore 2 1 N N = 1 2 T ...

(^704) „„„„„ A Textbook of Engineering Mechanics Example 34.3. A handle H drives a pinion A, which drives a drum E through gear ...

Chapter 34 : Transmission of Power by Gear Trains „„„„„ 705 34.12.DESIGN OF SPUR WHEELS Sometimes, the spur wheels (i.e. driver ...

(^706) „„„„„ A Textbook of Engineering Mechanics Now the exact diameter of first wheel, d 1 ' =^1 114 25 = 907·2 mm Tp× × ππ and ...

Chapter 34 : Transmission of Power by Gear Trains „„„„„ 707 Now we have only two above equations for evaluating the four unknown ...