Question
Download Solution PDFThe locus of a point on a string unwound from a circular disc is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
By definition we have the profile created by a fixed point on the string while it unwraps from a disk is Involute.
- In the gear profile, this involute profile starts from the base circle.
Important points about the Involute created by disk and string.
- Not only the endpoint of string but all the intermediate point after unwrapping from the disk follows involute profile.
- The string needs to be in tight position throughout the unwrapping.
Additional Information
Cycloid
A cycloid is a curve traced by a point on the circumference of a circle which rolls without slipping on a fixed straight line.
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