VTU EDUSAT PROGRAMME - 17
DYNAMICS OF MACHINES
Subject Code -10 ME 54
BALANCING
OF
ROTATING MASSES
Notes Compiled by:
VIJAYAVITHAL BONGALE
ASSOCIATE PROFESSOR
DEPARTMENT OF MECHANICAL ENGINEERING
MALNAD COLLEGE OF ENGINEERING
HASSAN -573 202. KARNATAKA
Mo
a) Reduction ration of the gear set, speed of the driven shaft, pitch circle diameters of the pinion and
the gear, torque on the pinion and on the shaft, tangential and radial forces in the gear engagement.
Given:
P=3.5 kW =2000 W
Z p =19
n=960 rpm
m=3 mm
Given:
P=2 kW =2000 W
n=800 rpm
F R=370 MPa
Z p =37
m=2 mm
S f =2.1
a) Pitch circle diameter for the pinion, torque on the shaft, tangential and radial forces on the pinion.
=
2 n 2 800
=
=83.776 rad / s
60
60
Pinion diameter:
PCD=m z=2 x 37=74 mm=0.074
a) Angular velocity of the shaft, pitch circle diameters of the pinion and the gear, torque on the
shaft, tangential and radial forces on the fear and on the pinion.
P = 3kW = 3000W
n = 460r.p.m
M p=2.5 mm
M g=3 mm
S f =2.4
angular velocity :
=
2 n 2460
Torque Arm Design Considerations for
Shaft Mounted Speed Reducers
Todd R. Bobak
Product Engineer
Sumitomo Drive Technologies
Torque Arm for SMSR White Paper
2
Table of Co ntents
Introduction . 3
Resultant Force . 4
A Turnbuckle for a Torque Arm . 9
A Note
From Equilibrium:
Rearranging:
Optimum setup has the torque invert but remain at constant magnitude:
To minimise the alternating torque, minimise any one of these variables. Alternately, we can
just graph the moment as a function of torque for the four mo
Semester 2, 2014
MECH2100 Design Project 1
Project Title :
Design of a Frame to Support a Conveyor Drive
Project task :
To design and configure a frame to support a conveyor drive,
according to the specifications listed in this document.
Project output :
Semester 2, 2011 MECH2100 Design Project 1
Design of a Pallet for Loading
a Freight Container
Project Task: Design of a pallet for loading heavy equipment into containers
Group Member Contributions:
Initials
General
configuration,
material selection
Load
Given:
P=2 kW =2000 W
n=800 rpm
F R=370 MPa
Z p =37
m=2 mm
S f =2.1
a) Pitch circle diameter for the pinion, torque on the shaft, tangential and radial forces on the pinion.
=
2 n 2 800
=
=83.776 rad / s
60
60
Pinion diameter:
PCD=m z=2 x 37=74 mm=0.074
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