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Lecture 8. Metal Cutting - Hong Kong University of Science ...
Figure 8. Thread-cutting. A drilled hole can be given internal threads by using a tapping tool; external threads on a cylindrical shape are made using a tapping die. The left image shows manual tool set for making external and internal threads. The right image shows a schematic for automatic tapping of threads in nuts. 8.1.5.
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Lecture 1. Material Properties 1. Background
ieda.ust.hkMaterial Properties 1. Background ... Another interesting effect is noticed when we stretch a material into the plastic range, and then release it. The following figure shows what happens: (a) there is a permanent deformation; (b) the slope of the ... the bending tools (which determine how much to bend to get the correct angle) ?
Lecture 9. Surface Treatment, Coating, Cleaning
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