feed rate and spindle speed calculations
2017_CTD_Catalog_REV0218 pdf : http://www.mediafire.com/file/5893xsxcx9u598y/2017_CTD_Catalog_REV0218.pdf/file

********************************************************
G wizard : http://www.mediafire.com/file/zuc1wyw0gfthit4/GWizard.exe/file