• Calculate the input torque acting on the manual crank assuming an înput force sqlt to • Ca lculate the autput torque Cor force) of the mechanics o Calculate the overall mechanical advantage (if any) of the mechanism. O Ratio calculation for gears → Calculate 3ear ratio that SuPts best 4inches Cranck Leng th E shaft end 6 indhes height anolhe gear The gear t is rotate by to going this shuft tô the Crank cefficiont O.13 what 9s the force here ? what Is the torque necessary to furn the gear ? Od

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.57P: The square-threaded screw with a pitch of 10 mm and a mean radius of 18 mm drives a gear that has a...
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this problem is going to look very confusing because it really is.
we have a block that is 6x6 that will have 2 holes the largest hole can be 1 1/2 inches with a 0.13 coefficient of friction, hole number 2 has no measure. To know what measurements can be chosen for hole 2, it must be taken into account that a gear will rotate by a shaft through hole to the crank.

the crank length is 4 inches, shaft end 1/2

The rest of the details or measures we have to solve them that is, we have to obtain any measures that may make sense in the mechanism.

For this to be clearer, the missing measurements either for the radius of the gears or any angle have to be calculated with our criteria. but they must be measurements that fit the size of the block (6x6)

in the photo (45) are the questions of what to do
Figure (7) is a past project that is very similar to this one, only that the two shafts will have a block joining them as seen in the photo (45) and some modifications.

Calculate the înput torque acting on the
manual crank assuming an input force
sqlt to
ca lculate the autputtorque Cor force) of
the mechanics
o Calculate the overail mechanical advantage
(if any) of the mechanism.
o Ratio calculation for gears
> Caļculate 3ear ratio that
suPts best
4inches
cranck
T
6 inches
height
anolhe
gear
Leng th
* shaft end
The gear it is going
to
rotate by
this shuft tô the
crank
cefficiont
of friction
O.13
what is the force here ?
what is the torque necessary
to furn the gear?
Transcribed Image Text:Calculate the înput torque acting on the manual crank assuming an input force sqlt to ca lculate the autputtorque Cor force) of the mechanics o Calculate the overail mechanical advantage (if any) of the mechanism. o Ratio calculation for gears > Caļculate 3ear ratio that suPts best 4inches cranck T 6 inches height anolhe gear Leng th * shaft end The gear it is going to rotate by this shuft tô the crank cefficiont of friction O.13 what is the force here ? what is the torque necessary to furn the gear?
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