redesign of hand auger
DESCRIPTION
Redesign of Hand Auger. Caroline Tulloh BE 3320. Hand Auger. http://b2bimg.bridgat.com/files/handle_earth_auger.jpg. Hand Auger Types. http://soils.usda.gov/technical/manual/images/fig4-10_large.jpg. Design of Hand Auger. Three Main Components Threads Outside Shaft - PowerPoint PPT PresentationTRANSCRIPT
Slide 1
Redesign of Hand AugerCaroline TullohBE 3320
Hand Auger
http://b2bimg.bridgat.com/files/handle_earth_auger.jpg
Hand Auger Types
http://soils.usda.gov/technical/manual/images/fig4-10_large.jpg
Design of Hand AugerThree Main ComponentsThreads Outside ShaftApproximately Six Meters in Length Typically Manufactured with Steel
http://collections.infocollections.org/ukedu/collect/ukedu/index/assoc/h2380e/p018.gif
Components Chosen for RedesignMaterial from Cast or Alloy Steel to Carbon SteelAuger Threads increase width of threads and decrease pitch
Inventor Drawing Hand Auger
Inventor Drawing Auger Threads
Inventor Rendering
Design EquationsF=ma=(80kg)(9.82m/s^2)=784.8 N=rFsin()=((3m)(785N)(1))=2355 Nm (handle)=rFsin()=((6m)(785N)(1))=4710 Nm (threads)
Stress Analysis
Dynamic Simulation