difference between hollow shaft and solid shaft pdf

Difference Between Hollow Shaft And Solid Shaft Pdf

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Before we start this case, have a look at these manipulations:.

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Hollow Shaft vs Solid Shaft- Which Is Better?

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You can change your ad preferences anytime. Lecture 13 torsion in solid and hollow shafts 1. Upcoming SlideShare. Like this presentation? Why not share! Embed Size px. Start on. Show related SlideShares at end. WordPress Shortcode. Full Name Comment goes here. Are you sure you want to Yes No. Precious Collins. Prem Ch. Muhammad Ali. Show More. No Downloads. Views Total views. Actions Shares. No notes for slide. Lecture 13 torsion in solid and hollow shafts 1 1.

Polar ModulusPolar modulus is defined as ration of polar moment of inertia to the radiusof the shaft. Torsional rigidityTorsional rigidity is also called strength of the shaft. You just clipped your first slide! Clipping is a handy way to collect important slides you want to go back to later. Now customize the name of a clipboard to store your clips. Visibility Others can see my Clipboard.

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Compare a solid shaft with a hollow shaft by strength and by their weight.

Hollow shaft vs Solid shaft. The hollow shaft contains the same amount of material all at the ends if hollow and a solid shaft are of the same weight whereas in the solid shaft distributed the material is uniformly throughout the shaft leaves little material at the ends. Difference between both of them is resistance to bending, resistance to torsion. Let us have a deep insight into the difference between the hollow and solid shaft. Depends on the application of the shaft : Hollow shaft better for structural applications because it can beat the same loads as a solid shaft for lesser weight. Example: Rollcage of offroad vehicles.

Before Selection of Shaft you must be considered whether to choose hollow shaft or Solid Shaft depending upon the type of application, power Requirement, torque transmission requirement, weight, cost, machining time, Material. Average shear stress[ Min. Hollow shaft has a greater strength to weight ratio. Wall Thickness: If we reduce the wall thickness, then there are chances of wrinkling or buckling of the shaft wall. So we have to be careful about these things.


Percent difference of weight between solid and hollow shafts (%). ​. Percent difference of deflection between solid and hollow.


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Essential Solid Mechanics pp Cite as. We have seen in the previous chapter that axial loads produce normal stresses. Torques and shear forces on the other hand induce shear stresses. Although we shall not be concerned with shear forces in this chapter, it will be useful to refer to shear force in order to introduce the concept of shear stress. Unable to display preview.

Compare a solid shaft with a hollow shaft by strength and by their weight.

Compare a solid shaft with a hollow shaft by strength and by their weight.

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Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. Now that I'm a little older, running this "fact" through my mind, my intuition tells me that a solid rod should be able to resist torsion better than a hollow one assuming the wall of the hollow one is thick enough to withstand being "dimpled" in the process. A quick spot of Googling didn't lead to any answers maybe it did, but I couldn't comprehend most of the stuff out there


A Hollow shaft will transmit a greater torque than a solid shaft of the same weight & same material because the average shear stress in the hollow shaft is Strength comparison (same weight, material, length and τ max).


Fatigue strength of the material used for large hollow and solid shafts

Before we start this case, have a look at these manipulations:. Out of weight, density, area and length, if any three of these are same for both solid and hollow shaft, fourth one has to be same. So actually we stated each of these four parameters to be same in the heading, but even if three of them was given same, then the case would have been same still then. Enrolled students of Exergic have rated their overall experience 4. We work very hard to provide you with top notch content, high quality questions, unlimited doubt support and honest guidance.

Large heat treated shafts made from 34KhN1M steel, with or without the central hole, have the same mechanical properties and fatigue strength over the entire cross section. Heat treated 34KhN1M steel is highly sensitive to stress concentrations and its fatigue strength decreases more rapidly in the case of large specimens. When using this steel for the manufacture of large shafts it is advantageous to work harden by plastic deformation the stress concentrationn zones. Using the work hardening procedure by rolling for hub zones of the shafts made from this steel, it is possible to eliminate completely the unfavorable effect of the interference fits.

Power transmission in solid and hollow shaft

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3 Comments

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    12.05.2021 at 23:14 Reply
  2. Tom P.

    In comparison to a solid shaft, a hollow shaft is of less weight, for a given length the figure, shear stress in a “shaft subjected to torsion” varies linearly from zero.

    15.05.2021 at 09:13 Reply
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