不同机加工表面微观形貌的特征分析.pdf

2007 7 Ju ly 2007 32 7 LUBR ICAT ION ENG INEER ING V ol32 N o7 * ( 330031) : , , , : ; , ; , , : ; ; : TH 161; TH 117 : A : 0254 - 0150 ( 2007) 7 - 026- 3 The Characteristics Analysis ofM ach ining SurfaceM icro-profiles L i X iaob ing L iu Y ing G uo J ilin Y u Guiy ing ( Schoo l of M echan ica l E lectr ica l Eng ineer ing, N anchang U n iversity, N anchang Jiangx i 33003 1, Ch ina) A bstract: Th e mach in ing samp le p ieces processed by d ifferent m ach in ing m ethods w ere invest igated, and the roughness d ifferen ces and characteristics of those surface p rofiles w ere stud ied. Su rface p rof iles of d ifferent roughness p rocessed by the sam e m ach in ing m ethod w ere observed. Th e resu lts ind icate that there are d ifferen ces in surface profiles and those roughness processed by varying mach in ing m ethods to d istin ct d egree. T he m icro stru cture compact den sity and max mi a l h ighness of surface profiles processed by d ifferentm ach in ing m ethods are all d issmi ilar, w h ich is relative to th e process ing m echan ism. T he structures of surface p rofiles w ith d ifferent roughness p rocessed by th e sam e m ach in ing m eth od are self- smi ilar and have typ ical character, w h ich is u sefu l to d istingu ish d ifferent mach in ing m ethod s. K eyw ords: mach in ing; surface profiles; roughness , ) , ,