提高單輥破碎機齒冠抗磨性研究.pdf

1、中南大學碩士學位論文提高單輥破碎機齒冠抗磨性研究姓名：王建華申請學位級別：碩士專業(yè)：機械設計及理論指導教師：任立軍20030101酊人學蟛!Jj論文Abs‘ra“AbstractTheshonerservicelifeofsinglerolJercmshefsinstalJedonthee11dofsintermachjneisadimcLlJlIecbnologypmbIemtolJlesteelimnmm塒ryBecauseofth

2、ehardworkconditionofcmsheLtheservicelifeofusing—wind—to—coolcmSherisonlyonemonth，a|l】10ughi“spr010ngedbybeingwe】dedtheresisI確ymaterjalsThefesearchsajmjsIoprolongtlecrusher’sservicelifetoI，woorthreemonlllsToimproVethesing

3、lecmsher’。seⅣicel；fe，fhefollo稍ng咒Searchhasbeendone：(1)TheroIJerfbrcemldIhef弛tIiJ堆lapsecharacteroftlle鼬地helbrecherhasbeenanalyzed；(2)Thosea髖ct1jghCrc8sironresist弁ethasbeen柚alyzed；(3)nlestacheibrechersIn卜c℃h“s1)‘：clld㈨lge‘

4、Ii(4)Ancranaiysisalo‘ofmate“aIsthaIlheyarefes；sltrct，akindoflesistjngf沁tmale“alhasbeenresearched；(5)ThenewnlatenaI’sweldhaSbeenana—lyzed；(6)IheeH色cIoftheheattrealmentfothenewmaIerialresistingf記Ihasbeena11a—Jyzed；(7)there

5、sistmg行亂betweenthenewI(indofmaIefialandtheFB一1mafera訂hasbeenconlpared；(8)碼enew幻腫ofmaterialtohe內(nèi)ctol!yhasbe蜘usedandmeansweroflIsingthenewkind111aterialhasbeenanalyzed1、hrou曲syslema豫1ysis赫dtesisomercsultcanbeconcluded：(1)出

6、em萄o『reasonaf艷ctingthes掘cheJhecherlifeis111ehealfet；(2)Impmvingthecmsherstaclle|brecherI】aldcangreatlyimpI_oVethestacheIbrecherlife；(3)BeforeweJded，t11esIacllelbrechersh叭Ildbeheatedlo200～300℃Whenlhematerialisbeenwelded，i

7、lshouJdbewelded011bI)n1sideson【urnsThe啪l引sIesschan10severyWhere，TheresisIfraymaterialcabc、VeJdedont11eslachelbfecher；(4)T11eresistfhymaterialcanbearthestachelbfecherworkconditionTlljsre∞archjsn烈odyuse如iloI^e辯archchemater