Case 1: Case of the Twisted Shaft The shafting shown in Figure 2.51 was taken from a mill transfer chain that was frequently overloaded, causing the shaft (made of low-carbon steel) to fail by torsion shear. It has obviousły been loaded in torsion beyond its elastic limit into the plastic range and has taken a permanent set. Since the sprocket and bearing bores are not easily changed to sub- stitute a larger diameter shaft, what type of replacement shaft will solve the problem? What different mechanical proper- ties must it possess so it will not again fail by torsion shear?

Elements Of Electromagnetics
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Case 1: case of the twisted shaft)
The shafting shown in Figure 2.51 was taken from a mill transfer chain that was frequently overloaded, causing the shaft (made of low-carbon steel) to fail by torsion shear. It has obviously been loaded in torsion beyond its elastic limit into the plastic range and has taken a permanent set. Since the sprocket and bearing bores are bot easily changed to substitute a larger diameter shaft, what type of replacement shaft will solve the problem? What different mechanical properties must it posses so it will not again fail by torsion shear?

Case 1: Case of the Twisted Shaft
The shafting shown in Figure 2.51 was taken from a mill
transfer chain that was frequently overloaded, causing the
shaft (made of low-carbon steel) to fail by torsion shear. It
has obviousły been loaded in torsion beyond its elastic limit
into the plastic range and has taken a permanent set. Since
the sprocket and bearing bores are not easily changed to sub-
stitute a larger diameter shaft, what type of replacement shaft
will solve the problem? What different mechanical proper-
ties must it possess so it will not again fail by torsion shear?
Transcribed Image Text:Case 1: Case of the Twisted Shaft The shafting shown in Figure 2.51 was taken from a mill transfer chain that was frequently overloaded, causing the shaft (made of low-carbon steel) to fail by torsion shear. It has obviousły been loaded in torsion beyond its elastic limit into the plastic range and has taken a permanent set. Since the sprocket and bearing bores are not easily changed to sub- stitute a larger diameter shaft, what type of replacement shaft will solve the problem? What different mechanical proper- ties must it possess so it will not again fail by torsion shear?
FIGURE 2.51
Transcribed Image Text:FIGURE 2.51
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