威尼斯人官网

轧钢基础知识学习(三)
  发布时间:2020年02月18日 点击数:

1 shenmejiaoyanshenliang?shenmejiaoyanshenxishu? 

a:genjutijibubiandinglv,yazhishiyajiandehengduanmianjianxiao,qizhangduyidingxiangyingdizengjia。yajianzhangdudezengjialiangjiujiaoyanshenliang,keyongxiashibiaoda:

△l=l-l

shizhong△l-yanshenliang,㎜;

l-yajianbianxinghoudezhangdu,㎜;

l-yajianbianxingqiandezhangdu,㎜;

yazhihoudeyajianzhangduyuyazhiqiandeyajianzhangduzhibijiaoyanshenxishu:

ц = l/l

цweiyanshenxishu。

威尼斯人官网yanshenxishuyekeyiyongyazhiqian、houyajiandehengjiemianmianjizhibibiaoshi,youshibazheigemianjizhibijiaozuoyasuobi,yongtalaihengliangyajiandebianxingchengdu。

ц=s1/so

shizhongso -yazhiqianyajiandeduanmianmianji,㎜2;

威尼斯人官网s1 -yazhihouyajiandeduanmianmianji,㎜2;

dangyazhikuandaicaihebancaishi,kuanzhanliangzhonglvequbuji,jiyazhiqianhouyajiandekuanduxiangdeng(b=b)。zheishideyanshenxishujiudengyuyazhiqianhouyajiangaodudebizhi(yaxiaxishu):

цzong=h/h 

2 shenmejiaopingjunyanshenxishu?zongyanshenxishu? 

a:zongyanshenxishudewuliyiyishiyajianzuizhongzhangduyuyuanshizhangduzhibi:

цzong =lx/lo

shizhongцzong-zongyanshenxishu;

lx -yajianzuizhongzhangdu,㎜;

威尼斯人官网lo -yajianyuanshizhangdu,㎜;

yazhixingcaishiyechangyiyajianyuanshihengjiemianmianjiyuzuizhonghengjiemianjizhibilaibiaoshizongyanshenxishu,ji

威尼斯人官网цzong = so /s1

威尼斯人官网shizhongso-yajianyuanshihengjiemianmianji,㎜2;

s1-yajianzuizhonghengjiemianmianji,㎜2;

威尼斯人官网zongyanshenxishudengyugedaociyanshenxishudechengji,ji

цzong =ц1ц2ц3……. цx 

3 weishenmeyaxialiangshiyingxiangkuanzhandezhuyaoyuanyin? 

威尼斯人官网a:yazhishiyajiandegaodufangxiangshouya,jinshuxiangzhangduhekuandufangxiangliudong,jichanshengyanshenhekuanzhan。yaxialiyuda,xiangyingdeyanshenhekuanzhanyeyuda。shijianzhengming,yaxialiangshiyingxiangkuanzhandezhuyaoyinsu。 

4 shenmejiaolianyahelianyaxishu? 

a:yigenyajiantongshizaijijiayajishangyazhibingbaochizaidanweishijianneiyajiantongguogeyajidetijixiangdengdeyazhijiaolianya。danweishijianneitongguojinshutiji(ruguoshiyimiaoneitongguodejinshutiji,jiuchengweijinshumiaoliuliang)。yongxiashijisuan: v=πdn/60 .s

shizhongv-danweishijianneitongguoyajidejinshutiji,㎜3;

d-yagungongzuozhijing,㎜;

n-yagunzhuansu,r/min;

s-yajianduanmianmianji,㎜2;

威尼斯人官网zaidanweishijianneitongguomeijiayajidejinshutijidengyuyigechangshu,zheigechangshujiaolianyachangshu。keyongxiashibiaoshi:

klian=s1d1n1=s2d2n2 =s3d3n3=………sndnnn

zaishijishengchanzhong,youyuqianhuadeyingxiangyijikongxingdengyinsudebuduanbianhua,lianyachangshuyeshibuduanbianhuade。suoyilianyachangshubixujingchangxiangyingdediaozhenghexiuzheng。 

5 shenmejiaozhanglihezhangliyazhi? 

威尼斯人官网a: zailianyaguochengzhong,qianhouliangjiayajicunzaijinshumiaoliuliangcha,danghoujiademiaoliuliangdayuqianjiashi,zaochengqianhoujiazhijiandeyajianshoudaoqianyajidelalizuoyong,cilitongchangchengweizhangli。cunzaizhanglideyazhiguochengchengweizhangliyazhi。

zhanglibujinguangfancunzaiyuleng、relianyashengchandeyajizhiqian,erqiecunzaiyujuantongheyajizhijian,yinweijuantongyuyajizhijianyecunzaisuducha,yenengshidaigangzaiyazhiguochengzhongchanshengzhangli。liyongdiaojiejuantongyuyajidesuduguanxi,jiukenenghuodesuoxuyaodeqianzhanglihuohouzhangli。

yazhiguochengzhongkeyiyongzhangliyouxiaodegaishanbanxing,mingxiandijiangdiyazhiyali。daizhanglideyazhinengshidaigang(huobantong)yadegengbo。

laiyuan:yagangzhijia

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