1. the five principal parameters of a grinding wheel:
The parameters are
(1) abrasive material,
(2) grit size,
(3) bonding material,
(4) wheel structure, which refers to the relative spacing of grains,
(5) wheel grade, which refers to the bond strength of the wheel in
retaining abrasive grains
2. Metal cutting
http://ppt.cc/VcsI
http://en.wikipedia.org/wiki/Speeds_and_feeds
3. Machining graphite and carbon
http://ppt.cc/asS6
p.s.
finish v.;n. 精加工，拋光，修整，表面粗糙度，完工，最后加工，最后階段
finish-cutting n. 精加工，最終切削
4. carbon fiber tube
http://ppt.cc/0T_W (p.149~150)
http://ppt.cc/DLZH (p.338)
5. grinding wheel
http://web.iitd.ac.in/~suniljha/MEL120/L9_Grinding2012.pdf
6. About Feeds and Speeds
http://youtu.be/drdBBvWIFNo
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