Balancing and Vibration - Theory of Machines
Subject and UNIT: Theory of Machines: Unit V: Balancing and Vibration
1. Define forced vibration with sketch.
Balancing and Vibration - Theory of Machines
Subject and UNIT: Theory of Machines: Unit V: Balancing and Vibration
As we have already discussed, when the shaft is twisted and untwisted alternately, then torsional shear stresses are induced.
Balancing and Vibration - Theory of Machines
Subject and UNIT: Theory of Machines: Unit V: Balancing and Vibration
The engines in which number of connecting rods are connected to a common crank, is known as radial engines.
Balancing and Vibration - Theory of Machines
Subject and UNIT: Theory of Machines: Unit V: Balancing and Vibration
If an engine consists of two or more cylinders, then it is called as multi-cylinder engine.
Balancing and Vibration - Theory of Machines
Subject and UNIT: Theory of Machines: Unit V: Balancing and Vibration
The uncoupled locomotives, as discussed in the previous section, have become obsolete. now-a-days.
Balancing and Vibration - Theory of Machines
Subject and UNIT: Theory of Machines: Unit V: Balancing and Vibration
In Section 13.3, we have discussed that due to partial balance of reciprocating masses there is (a) an unbalanced force along the line of stroke, and (b) an unbalanced force perpendicular to the line of stroke.
Types of Locomotives
Subject and UNIT: Theory of Machines: Unit V: Balancing and Vibration
Most of the locomotives used in our country are of two cylinders of the same dimensions.
Balancing and Vibration - Theory of Machines
Subject and UNIT: Theory of Machines: Unit V: Balancing and Vibration
Consider a reciprocating engine mechanism OCP shown in Fig.13.2. In Fig.13.2, the piston mass at P of the reciprocating parts is accelerating.
Learning Objectives, Revolving Mass cannot Completely Balance a Reciprocating Mass - Why?
Subject and UNIT: Theory of Machines: Unit V: Balancing and Vibration
It may be noted that in reciprocating engine mechanism, the inertia force F is the unbalanced force.
Balancing and Vibration - Theory of Machines
Subject and UNIT: Theory of Machines: Unit V: Balancing and Vibration
problems for practice: Balancing and Vibration - Theory of Machines
Balancing and Vibration - Theory of Machines
Subject and UNIT: Theory of Machines: Unit V: Balancing and Vibration
Review Questions: Balancing and Vibration - Theory of Machines
Balancing and Vibration - Theory of Machines
Subject and UNIT: Theory of Machines: Unit V: Balancing and Vibration
If the moving parts of a machine are not balanced completely, then the inertia forces are set up which may cause excessive noise, vibration, wear and tear of the system.