乐投英超

JINGANGSHISHENGJUDEJUQIEGUIJIJIJUQIEJILIYANJIU

发布时间:2016-08-24 16:13:48

ZHAIYAOBENWENCONGLILUNSHANGFENXILEJINGANGSHISHENGJUDEJUQIEGUIJIJIJUQIEJILI,BINGDUIDALISHIHEHUAGANGSHIJINXINGLEJUQIESHIYAN,YIYANZHENGLILUNFENXIDEJIEGUO。LILUNFENXIHEJUQIESHIYANJUNBIAOMING:(1)JINGANGSHISHENGJUDEJUQIEGUIJIJINSIWEIYUANDEJIANKAIXIAN,JUQIEGUOCHENGZHONGDANWEIZHANGDUSHENGJUDUISHICAIDEYALI、SHENGJUZHANGJINLIJUEDINGLEGAIJIANKAIXIANDEXINGZHUANG;(2)JINGANGSHISHENGJUJUQIEXIANSUDUGAO,JUQIEGUOCHENGZHONGDANKELIJINGANGSHISHIJIAZAISHICAISHANGDEYALIHENXIAO,BUZUYISHISHICAICHANSHENGTIJIPOSUI,QIEXIEXIXIAO。QIZHUYAOSUIYANFANGSHISHIHEZIPOSUI(Hertzian  fracture),TONGGUOGAOSUMOXUESHIXIANJUQIE。GENJUJINGANGSHISHENGJUDESUIYANJILI,JUQIESHIYINGSHIDANGKONGZHISHENGJULALIHESHENGJUXIANSUDU.XUANYONGNAIMOSHIXINGHAODEJINGANGSHIHETAITI,BAOZHENGLIANGHAOLENGQUE,YITIGAOJUQIESUDU,YANZHANGSHENGJUSHOUMING。


1 前言

金刚石串珠绳锯19世纪70年代在意大利问世,最初用于石材开采。现在其应用领域扩大到荒料整形、板材切割、异型石材制品加工以及建筑施工领域。和其它石材开采和加工方法相比,金刚石绳锯技术具有石材损耗小、锯切效率高、荒料质量好、适用石材范围广、设备易安装、人工成本低、振动和噪音小、粉尘少等优点,因此具有广阔的发展前景。


WEILETIGAOJINGANGSHISHENGJUDESHENGCHANXIAOLVHEJIAGONGZHILIANG、JIANGDICHENGBEN,XUANYONGHELIDEGONGYICANSHUSHIZHIGUANZHONGYAODE。BENWENZAILILUNFENXIJIJUQIESHIYANDEJICHUSHANG,YANJIUJINGANGSHISHENGJUDEJUQIEGUIJIHEJUQIEJILI,BINGDUISHIJIJIAGONGZHONGHELIXUANZEJUQIEGONGYICANSHUTICHUJIANYI。


2金刚石绳锯的锯切轨迹研究

2.1理论分析


JINGANGSHISHENGJUSHIYIGENJUYOUYIDINGDANXINGDELIANXUTI,ZAIJUQIEGUOCHENGZHONGBUHUICHANSHENGZHEDIAN。YINCI,KAISHIJUQIESHISHENGJUHEYANSHIZHIZAIJUBUDELENGJIAOCHUXIANGJIECHU。SUIZHEJUQIEDEJINXING,JIECHUDIANBIANCHENGQIEGEXIAN,ZUIHOUXINGCHENGYITIAOLIANXUGUANGHUADEJUQIEQUXIAN。


WEIJIANHUAQIJIAN,BAJINGANGSHISHENGJUKANZUOYITIAOLIANXUDEJUQIEXIAN,ZAIQISHANGQUCHUYIDUANWEILIANGFENLITIABJINXINGSHOULIFENXI,RUTU1SUOSHI。TUZHONGrWEIABDUANDEQULVBANJING,TWEISHENGJULALI。YOUYUABDUANHENXIAO,GUHULVEQISUOSHOUDEZHONGLI。




YOU(5)KEZHI:


(1)SHENGJULALITHESHENGJUDEWANQUSHICHANSHENGXIANYALIdPDEBIYAOTIAOJIAN;


(2)SHENGJUDUISHICAIDEXIANYALIdHUYUSHENGJUZAIGAIDIANSUOSHOUDELALITCHENGZHENGBI,YUSHENGJUZAIGAIDIANDEQULVBANJINGrCHENGFANBI;


(3)RUOZAIJUQIEGUOCHENGZHONG,SHENGJUSHANGMOUDIANDUISHICAIDEXIANYALIHUDAYUQITADIAN.ZEZAIGAIDIANCHUJUQIESUDUJIAKUAI,SHENGJUQULVBANJINGBIANXIAO,CONGERSHISHENGJUSHANGGAIDIANDUISHICAIDEXIANELIdPJIANXIAO,ZHIZHIHEXIANGLINDIANCHUDEXIANGDENG。JUQIEKAISHISHIJIUSHIZHEIZHONGQINGKUANGDETELI。


乐投英超YOUYISHANGTAOLUNKEZHI,JINGANGSHISHENGJUGONGZUOQUXIANWENDINGDEBIYAOTIAOJIANSHISHENGJUSHANGGEDIANDEXIANYALIdPDOUXIANGDENG,JIZAIJUQIEDERENYISHUNSHI:


ZAIJUQIEGUOCHENGZHONG,SHENGJUSHANGGEDIANSUOSHOULALITBINGBUXIANGDENG,ZAISHENGJUSONGBIANTZHIJIAOXIAO,ERCONGSONGBIANDAOJINBIAN,TJIANGSUISHENGJUZHANGDUDEZENGJIAERZENGJIA。CIWAI,SHENGJUQULVBANJINGBIANHUADADEBUWEITZHIZENGJIADEYEDA。


HENMINGXIAN,(7)SHIJIUSHIJINGANGSHISHENGJUGONGZUOQUXIANDESHUXUEBIAODASHI。YOUJIEXIJIHEKEZHI,(7)SHISHIYITIAOYUANDEJIANKAIXIANFANGCHENGSHI.QIZHONGcWEIJIYUANBANJING,TWEIFASHENGXIANSUODUIDEYUANXINJIAO,RUTU2SUOSHI。


2.2试验验证


WEILEYANZHENGSHANGSHULILUNFENXIJIEGUO,LIYONGZIXINGYANZHIDEJINGANGSHISHENGJUJIHEJINGANGSHICHUANZHUSHENGJINXINGLEJUQIESHIYAN。SHIYANSUOCAIYONGDEZHUYAOJISHUCANSHUJIANBIAO1。SHIYANSHICAIXUANYONGXUEHUABAIDALISHIHEHUAGANGSHANZHANGSHI,QIWULILIXUEXINGZHIJIANBIAO2。



ZAIJUQIEHOUDEDALISHIJUMIANSHANG,HENRONGYIDIZHAODAOLELIANGZUJIANKAIXIANHELILUNFENXIDEJUQIEQUXIANXIANGWENHE,RUTU3ZHONGSHIXIANSUOSHI。TU3ZHONGJUQIEQUXIANDESHANGBUHEXIABUXUXIANBUFENWEINENGYUTONGYIJIANKAIXIANWENHE,QIYUANYINKENENGSHI:


1)SHENGJUSONGBIANLALIBUDENGYULING;


2)DIBUQULVHENDA,LALIJIAOXIAO,GULIXINLIZUOYONGJIAOMINGXIAN:


乐投英超3)GONGZUOSHIXIABUHESHANGBUSHENGJUZHENDONGJIAODA,GONGZUOBUPINGWEN。


乐投英超LIYONGGONGSHI(5),JIARUWOMENDECHUJUQIEQUXIANRENYIDIANDEQULVBANJINGrHESHENGJULALIT,ZEKETUICHUSHENGJUSHANGGAISHIKEDEXIANYALIdPZHI;HUOXUANDINGSHENGJUSHANGDANWEIZHANGDUZUIJIAYALIZHIdP,GUSUANCHUJUQIEQUXIANSHANGZUIDAQULVBANJINGr,CONGERDECHUJUQIESUOXUGONGZUOLALIT,BINGYOUTJISUANCHUJUQIESUOXUGONGLVW。


3金刚石绳锯的锯切机理研究

3.1理论分析


ZAIJINGANGSHIZUANJINZHONG,WEITIGAOZUANJINXIAOLV,CHUXUSHIJIAJIZUANTOUZUGOUDEYALIYISHIYANSHICHANSHENGTIJIPOSUIWAI,HAIYAOBAOZHENGZUANTOUJUYOUZUGOUGAODEXIANSUDU。DANGUOGAODEZUANTOUXIANSUDUBULIYUYANSHITIJIPOSUIDECHANSHENG,GUYIXIEJINGANGSHIZUANTOUZHIZAOSHANGTUIJIANDEZUANTOUXIANSUDUWEI2.5MI/MIAOZUOYOU。ZUIGAOBUCHAOGUO7.7MI/MIAO。ERJINGANGSHISHENGJUJUQIESHICAISHISHENGJUDEXIANSUDUKEDA25~30MI,MIAO,DADAGAOYUJINGANGSHIZUANTOUDEJIXIANXIANSUDU,CONGSHIJIANXIAOYINGSHANGKANBULIYUYANSHIDETIJIPOSUI。CIWAI,JINGANGSHISHENGJUYONGGANGSHENGZUOWEIDONGLIHEYUNDONGDEZAITI,YONGJINGANGSHIZUOWEIMOLIAOGAOSUMOXUEYANSHI,SUOYIJINGANGSHISHENGJUDEGONGZUOLALIBINGBUDA,ZHEIYEBULIYUYANSHICHANSHENGTIJIPOSUI。


乐投英超YOUSHI(5)KEDEDAOZAIMOUYISHUNSHI,DANWEIZHANGDUSHENGJUDUIYANSHIDEYALIHU。RUOKAOLVDAOJINGANGSHICHUANZHUWEIJIANGEPAILIE,ZESHIJIDEXIANYALIdPXUCHENGSHANGYIGEJIAMIXISHUa:




乐投英超SHIYANSUOYONGJINGANGSHICHUANZHUZHONGDEJINGANGSHILIDUWEI50/60MU,NONGDUWEI75%,DAIRENSHANGSHUGONGSHI,JINGJISUANDEQIEGEDALISHISHI,f=0.914MPa。ERYOUBIAO1KEZHI。SHIYANYONGDALISHIDEKANGYAQIANGDUWEI340MPa,QIANZHEBUZUHOUZHEDE0.3%,JUQIEHUAGANGSHISHIJIUGENGXIAOLE。KEJIANSHENGJUJUQIESHIYANSHIHENNANCHANSHENGTIJIPOSUI。


ZHIDAOMUQIAN,ZAIJINGANGSHIZUANJINLINGYU,XUDUOZUOZHEDOURENWEIJINGANGSHIQINRUYANSHIHUOSHIYANSHIBIAOMIANXINGCHENGYONGJIUKEHEN——ZHEILIANGZHONGQINGKUANGDOUSHIYANSHICHANSHENGTIJIPOSUI——SHISHIXIANZUANJINDEZUIJIBENTIAOJIAN,JIDANKELIJINGANGSHISHIJIAYUYANSHISHANGDELIBIXUDAYUYANSHIDEKANGYAQIANGDU,FOUZEZUANJINJIANGWUFAJINXING。DANJINGANGSHISHENGJUDEJUQIEGUOCHENGHEJINGANGSHIZUANJINGUOCHENGBINGBUWANQUANYIYANG,ZHUYAOBIAOXIANZAIJINGANGSHISHENGJUJUQIESHIJUYOUGENGGAODEXIANSUDU,SHENGJUSHIJIAYUYANSHIDEYALIYEJIAOJINGANGSHIZUANTOUXIAODEDUO。ZAIZHEIZHONGQINGKUANGXIA,YANSHIDEPOSUIZHUYAOSHIYOUHEZISUILIE(Hertzian  fracture)YINQIDE。YOUWENXIANKEZHI,JIARUWUZHIDEBIAOMIANBEIYIGEHUADONGDEYATOUDANXINGDIYAXIA,ZEZAIYATOUHUAYIGUIJIHOUMIANDEWUZHIZHONGCHANSHENGZHANGYINGLICHANG(JIANTU4),DANGQICHAOGUOLINJIEDEZHENGCHANGFUHESHI,JIUHUICHANSHENGJUBUYUANZHUIXINGLIEWEN。ZHEIGEFUHEBISHIWUZHIBIAOMIANXINGCHENGYONGJIUKEHENSUOBIXUDELIYAOXIAODEDUO。ZHEISHUOMINGZAIJIAODIDEYALIXIAYANSHIRENGKEBEIPOSUI。YOUYUYATOUYUWUZHIJIECHUQUWAIWUZHIBIAOCENGNEIDEZHANGYINGLIFENLIANGSUISHENDUERXUNSUXIAOSHI,GUWUZHIDEPOSUIJIANGJINZAIYATOUHOUMIANJINKAOJIECHUQUWAIMIANDEYIBOCENGNEI,ZHEIJIANGDAOZHIZAIYATOUHUAYIXIANHOUMIANCHANSHENGXIANGSHANGQIAOQUDEJINGGUOYASHIDEZHANGTIAOXINGQIEXIE(JIANTU5)。DANYOUYUYATOUHUADONGSUDUJIAOGAO,ZAIJIASHANGJIEXIALAIDEJINGANGSHIDEXUNHUANPOSUI,GAIZHANGTIAOXINGQIEXIEJIANGBEIDASUI,GUZUIZHONGHUODEDEYANXIELIDUJIANGRENGRANHENXIAO。

3.2试验验证


ZAIJINGANGSHISHENGJUJUQIESHIYANGUOCHENGZHONG,ZAIBUTONGDEJUQIEHUICICELIANGLECHUANZHUSHANGJINGANGSHIDECHURENGAODUHECHULUSHU,JIEGUOJIANBIAO3。DUIJUQIEDALISHIHEHUAGANGSHIHOUDEQIEXIEJINXINGLELIDUFENBUCEDING,JIEGUOJIANBIAO4。YOUBIAO3KEJIAN,JUQIEDALISHISHI,JINGANGSHICHURENLIANGJIAOXIAO,WEI15μm,KENENGSHITAITIJIAOYING。JUQIEHUAGANGSHIHOU,CHURENLIANGWENDINGZAI30μmZUOYOU,ZHEIYUJINGANGSHIZUANTOUZUANJINHUAGANGYANSHIDECHURENLIANGJIBENYIZHI。


YOUBIAO4KEJIAN:


乐投英超1)JUQIEHUAGANGSHIHOUDEQIEXIELIDUZHUYAOFENBUZAI2~6μmZHIJIAN,ZHAN58.3%。SUIZHEQIEXIELIDUZENGDA,SUOZHANBILIJIANSHAO,LIDUDAYU14μmDEZHIZHAN13,7%;


乐投英超2)JUQIEDALISHIHOUDEQIEXIELIDUFENBUGENGJIZHONG,ZHUYAOZAI2—10μmZHIJIAN,ZHAN78.4%。LIDUTAIYU10μmDEQIEXIESUOZHANBILIHENSHAO。


ZONGHEBIAO3HEBIAO4KEZHI,WULUNJUQIEDALISHIHUOHUAGANGSHI,QIQIEXIELIDUJUNXIAOYUJINGANGSHIDECHURENGAODU,KEJIANQIEXIEBUSHIYOUYUTIJIPOSUIHUOJIANBENGSUOCHANSHENGDE。


TONGGUOYISHANGFENXIKEZHI,JINGANGSHISHENGJUJUQIEXIANSUDUGAO,SHENGJU(CHUANZHU)SHIJIAYUYANSHIDEZAIHEJIAOXIAO。DAOZHIJUQIEGUOCHENGZHONGDANKELIJINGANGSHISHIJIAZAISHICAISHANGDEYAQIANGXIAO,BULIYUSHICAIDETIJIPOSUI。TONGSHICONGJINGANGSHICHURENGAODUHEQIEXIELIDUFENBUKAN,DABUFENQIEXIELIDUXIXIAO,LIJINGCHAOGUOJINGANGSHICHURENGAODUDEHENSHAO。KEJIANJINGANGSHICHUANZHUSUIYANDEZHUYAOFANGSHISHIMOXUEHEGUAXUE,SHILIYONGJINGANGSHISHENGJUXIANSUDUGAO,JUQIEXIANSHANGGONGZUODEJINGANGSHISHULIANGDUO,LAIJINXINGFANFUDEGAOSUMOXUELAIPOSUIYANSHISHIXIANJUQIEDE。YANSHIPOSUIDEJILIZHUYAOSHIHEZISUILIE。


乐投英超ZHENDUISHENGJUDEPOYANJILI,JUQIESHISHIDANGKONGZHISHENGJULALI,BAOZHENGYIDINGDESHENGJUXIANSUDU(JUQIERUANYANHUOJUMIANJIAODASHI,XIANSUDUKEGAOXIE;JUQIEYINGYANHUOJUMIANJIAOXIAOSHI,XIANSUDUYINGDIXIE,YIJIANGDILIXINLIDUISHENGJULALIDEYINGXIANG),XUANYONGNAIMOSHIHAODEJINGANGSHIHETAITI,YOULIYUTIGAOJUQIESUDU。CIWAIHAIYINGZHUYISHENGJUDELENGQUE,YIYANZHANGSHENGJUSHOUMING。


4结论

(1)金刚石绳锯的锯切曲线近似为圆的渐开线,绳锯拉力及单位长度绳锯施加给石材的压力决定了该渐开线的形状;


(2)JINGANGSHISHENGJUJUQIEXIANSUDUGAO.JUQIEGUOCHENGZHONGDANKELIJINGANGSHISHIJIAZAISHICAISHANGDEYALIHENXIAO,BUZUYISHISHICAICHANSHENGTIJIPOSUI,QIZHUYAOSUIYANFANGSHISHIHEZIPOSUI(Hertzian  fracture),ZHUYAOYIGAOSUMOXUEDEFANGSHISHIXIANJUQIE.GUQIEXIELIDUXIXIAO;


乐投英超(3)GENJUJINGANGSHISHENGJUDESUIYANJILI,JUQIESHIYINGSHIDANGKONGZHISHENGJULALI,BAOZHENGYIDINGDESHENGJUXIANSUDU,XUANYONGNAIMOSHIXINGHAODEJINGANGSHIHETAIBEN,BAOZHENGLIANGHAOLENGJI,YITIGAOJUQIESUDU,YANZHANGSHENGJUSHOUMING。


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