欧洲杯竞彩

阀门毛坯的选择原则与机械加工余量

FABUSHIJIAN:2018-12-12 16:44:00   FANGWEN:2120

一、阀门毛坯的选择原则

JIXIEJIAGONGCHANGYONGDEMAOPIYOUZHUJIAN、DUANJIAN、XINGCAIJIHANJIEJIAN。BUTONGDEMAOPIZHONGLEIYIJIMAOPIDEJINGDU、CUCAODUHEYINGDUDENGDUIJIXIEJIAGONGGONGYIGUOCHENGYOUZHEZHIJIEDEYINGXIANG。

XUANZEFAMENMAOPISHIYINGKAOLVRUXIADEYIXIEYINSU。

①LINGJIANDECAILIAOJIDUICAILIAODEZUZHIHEXINGNENGYAOQIU。SHEJITUSHANGGUIDINGDELINGJIANCAILIAO,DATISHANGJIUJUEDINGMAOPIDEZHONGLEI。LIRU,LINGJIANCAILIAOWEIZHUTIEJIUBIXUYONGZHUZAOFANGFALAIZHIZAOMAOPI。DUIYUGANGZHILINGJIAN,ZAIXUANZEMAOPISHIYINGKAOLVDUICAILIAODELIXUEXINGNENGYAOQIU。LIRU,ZHIZAOGAOYAFAMENDELINGJIANYIBANYINGJINLIANGXUANYONGDUANJIANHUOHANJIEJIAN,YIBAOZHENGCAILIAOJUYOULIANGHAODELIXUEXINGNENG。

②LINGJIANDEJIEGOUXINGZHUANGHEWAIXINGCHICUN。LINGJIANDEJIEGOUXINGZHUANGSHIYINGXIANGMAOPIXUANZEDEZHONGYAOYINSU,LIRU,JIEGOUXINGZHUANGFUZADEFATIKEXUANYONGZHUJIAN。CHICUNDADEFATIKEXUANYONGSHAXINGZHUZAO;CHICUNXIAODEZECAIYONGRONGMOZHUZAO。

③SHENGCHANGANGLINGDEDAXIAO。LINGJIANDESHENGCHANGANGLINGYUDA,CAIYONGGAOJINGDUHEGAOXIAOLVDEMAOPIZHIZAOFANGFAJINGJIXIAOGUOYUHAO。

④MAOPIZHIZAODETIAOJIAN。YINGGENJUXIANCHANGDESHEBEIZHUANGKUANGHEGONGYISHUIPINGLAIXUANZEMAOPI,BINGKAOLVDAOFAZHANQIANJING,ERZHUBUCAIYONGXIANJINDEMAOPIZHIZAOFANGFA。

毛坯及机械加工余量

一、加工余量及其确定方法

(YI)JIBENGAINIAN

1.JIAGONGZONGYULIANGHEGONGXUYULIANG

(1)JIAGONGZONGYULIANGMAOPICHICUNYULINGJIANTUDESHEJICHICUNZHICHA。

(2)GONGXUYULIANGXIANGLINLIANGGONGXUDECHICUNZHICHA·

(3)JIBENYULIANGMAOPIJIBENCHICUNYULINGJIANTUSHANGXIANGYINGDEJIBENCHICUNZHICHA,XIANGLINLIANGGONGXUDEJIBENCHICUNZHICHA,FENBIECHENGWEIJIBENJIAGONGZONGYULIANG(}boj)YUJIBENGONGXUYULIANG(Zbj}a

(4)JIAGONGZONGYULIANGYUGONGXUYULIANGDEGUANXI

阀门毛坯的选择原则与机械加工余量

SHIZHONGn——GONGXUHUOGONGBUSHUMU。

2.DANMIANYULIANGYUSHUANGMIANYULIANG

(1)DUIYUHUIZHUANBIAOMIANJIAGONGDANMIANYULIANGXIZHIXIANGLINLIANGGONGXUDEBANJINGCHA,SHUANGMIANYULIANGXIZHIXIANGLINLIANGGONGXUDEZHIJINGCHA,YI:zb.2zb。BIAOSHI。YIBANDUOCAIYONGSHUANGMIAN(ZHIJING)YULIANG。HUIZHUANBIAOMIANJIAGONGYULIANGRUTU8YI2YI1SUOSHI。

DUIYUWAIYUANBIAOMIAN

对于内孔表面阀门毛坯的选择原则与机械加工余量

SHIZHONGda . Da_SHANGGONGXUZHIJINGCHICUN;

db . Db—BENGONGXUZHIJINGCHICUN。

(2}DUIYUPINGMIANJIAGONGDANMIANYULIANGXIZHIYIYIGEBIAOMIANWEIJIZHUNJIAGONGLINGYIGEBIAOMIANSHIXIANGLINLIANGGONGXUDECHICUNCHA。SHUANGMIANYULIANGXIZHIYIJIAGONGBIAOMIANDEDUICHENGPINGMIANWEIJIZHUNTONGSHIJIAGONGLIANGBIAOMIANSHIXIANGLINLIANGGONGXUDECHICUNCHA

DUIYUWAIBIAOMIANDANMIANYULIANG:zb=a-b

SHUANGMIANYULIANG2Zb=aYIb

竞彩推单app欧洲杯直播欧冠预测分析竞彩app官方下载正规买球竞彩app排行欧洲杯直播