SHIGLEY'S MECHANICAL ENG.DESIGN W/CODE
10th Edition
ISBN: 9781260243314
Author: BUDYNAS
Publisher: MCG CUSTOM
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Chapter 15, Problem 14P
(a)
To determine
The geometrical properties of gear.
(b)
To determine
The
The gear transmitted force.
The worm transmitted force.
(c)
To determine
Whether, the mesh is sufficient for the given loading.
(d)
To determine
The lubricant sump temperature.
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Please answer part 2,
A 20° full depth involute spur pinion of 4 mm module and 21 teeth is to transmit 15 kW at 960 rpm. Its face width is 25 mm.
1.The tangential force transmitted (in N) is
(a) 3552
(b) 2611
(c) 1776
(d) 1305
2. Given that the tooth geometry factor is 0.32 and the combined effect of dynamic load and allied factors intensifying the stress is 1.5
the minimum allowable stress for the gear material in MPa is,
(a) 242.0
(c) 121.0
(b) 166.5
(d) 74.0
A parallel helical gear set of 19 tooth pinion is driving a 57 tooth gear. The helix angle of 20 degrees while the normal pressure angle is 14.5 degrees and the normal diametral pitch of 10 teeth/inch. If the pinion is rotating at 1800rpm and transmits 50hp, find the normal force.
Please answer in detailed solution.
Q.8 A pair of helical gears in which teeth on pinion are 20 and on gear are 30, the normal module is 5 mm and normal pressure angle is 20°. The helix angle is 30°. The pinion is provided 5 kW at 720 rpm. Determine various forces on the teeth.
Chapter 15 Solutions
SHIGLEY'S MECHANICAL ENG.DESIGN W/CODE
Ch. 15 - An uncrowned straight-bevel pinion has 20 teeth, a...Ch. 15 - For the gearset and conditions of Prob. 15-1, find...Ch. 15 - An uncrowned straight-bevel pinion has 30 teeth, a...Ch. 15 - For the gearset and conditions of Prob. 15-3, find...Ch. 15 - An uncrowned straight-bevel pinion has 22 teeth, a...Ch. 15 - Prob. 6PCh. 15 - In straight-bevel gearing, there are some analogs...Ch. 15 - Refer to your solution to Probs. 15-1 and 15-2. If...Ch. 15 - Prob. 9PCh. 15 - Prob. 10P
Ch. 15 - Apply the relations of Prob. 15-7 to Ex. 15-1 and...Ch. 15 - Prob. 14PCh. 15 - 15-15 to 15-22 As in Ex. 15-4, design a...Ch. 15 - 15-15 to 1 5-22 As in Ex. 154, design a...Ch. 15 - 15-15 to 15-22 As in Ex. 15-4, design a...Ch. 15 - 15-15 to 15-22 As in Ex. 15-4, design a...Ch. 15 - 15-15 to 15-22 As in Ex. 15-4, design a...Ch. 15 - 15-15 to 15-22 As in Ex. 15-4, design a...Ch. 15 - 15-15 to 15-22 As in Ex. 15-4, design a...Ch. 15 - Prob. 22P
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