云南快乐十分走势图

电子产品开发电路板基板设计

RIQI:2018-05-26 / RENQI: / LAIYUAN:aolongjixie.com

云南快乐十分走势图 DIANZICHANPINSHIYONGDEDIANLUBANDEZUIJIAXINGZHUANGWEIJUXING。ZHANGKUANBIWEI3:2HUO4:3。DANGSUOSHEJIDEDIANZICHANPINSHIYONGDIANLUBANMIANCHICUNXUDAYU200mm×150mmSHI,YINGKAOLVDIANLUBANSUOJUYOUDEJIXIEQIANGDU。

印制电路板外形尺寸

云南快乐十分走势图 YINZHIDIANLUBANWAIXINGCHICUNSHOUXIANYAOFUHEDIANZICHANPINZHENGJIJIEGOUSHEJIDEYAOQIU,JIYOUDIANZICHANPINJIEGOUSHEJIJUEDINGYINZHIBANDEWAIXINGCHICUNHEDIAOZHENG、KAIGUAN、XIANSHIDENGYUANQIJIANDEWEIZHI;LINGYIFANGMIAN,JIXIEQIANGDUJUEDINGYINZHIBANDECHICUNBUNENGGUODA,ZAIWUZHICHENGDIANDEQINGKUANGXIA,YIBANCHICUNBUYINGCHAOGUO200mm×150mm。

YINZHIDIANLUBANDEHOUDUXUANZEYINGGENJUYINZHIDIANLUBANDEGONGNENGJISUOANZHUANGDEYUANQIJIANZHILIANG、YINZHIBANCHAZUOGUIGEYIJIYINZHIDIANLUBANWAIXINGCHICUNSUOCHENGSHOUDEJIXIEFUHELAIJUEDING。

印制电路板翘曲度

YINZHIDIANLUBANQIAOQUDUDEYAOQIU,JIUSHIYINZHIDIANLUBANPINGZHENGDUDEYAOQIU,SHIBIAOMIANANZHUANGSHENGCHANXIANSHANGTIEZHUANGSHEBEIDUIYINZHIDIANLUBANDEYIZHONGYAOQIU。YIBANDUISHANGQIAOQUDUYAOQIUXIAOYU1.2mm,XIAQIAOQUDUYAOQIUXIAOYU0.3mm。

印制电路板定位孔

云南快乐十分走势图 YINZHIDIANLUBANDINGWEIKONGZHUYAOYONGYUHANGAOHUOTIEPIANJIAODESIWANGYINZHI、YUANQIJIANZUZHUANGHEZAIXIANCESHIGUOCHENGZHONGDUIPCBJINXINGGUDINGJIACHIDINGWEIZHIYONG,SHIYIZHONGFEIDUCENGKONG。YINZHIDIANLUBANDINGWEIKONGYIBANSHEZHIZAIPCBDUIJIAODEBIANYUANSHANG,YINZHIDIANLUBANDINGWEIKONGKONGJINGFANWEIWEI1.5~3.0mm,JIKESHIYUANKONG,YEKEWEITUOYUANKONG。DUIPILIANGYINZHIDIANLUBAN,DINGWEIKONGDEZUIDAKONGJINGPIANCHABUYINGCHAOGUO0.07mm。RUGUOZAIPCBSHANGYOUXIANGDUIYINGDEZHUANGPEIKONG,ZEKEYONGYUDAITIYINZHIDIANLUBANDINGWEIKONG。PINBANDINGWEIKONGTONGCHANGSHEZHIYUPCBBANDEGONGYIJIACHIBIAN。

印制电路板基准定位标志

YINZHIDIANLUBANJIZHUNDINGWEIBIAOZHI,SHIZHENDUIBIAOMIANANZHUANGJISHUZUZHUANGSHEBEIDEGUANGXUESHIJUEDINGWEIXITONGDEXUQIUERSHEZHIDE,YIJUJIZHUNBIAOZHIDUIYINZHIDIANLUBANJINXINGWEIZHIQUEREN。JIZHUNDINGWEIBIAOZHIYINGSHEZHIZAIHANYOUBIAOMIANTIEZHUANGYUANJIANDEPCBBIAOMIAN(FANGZHIYUPCBRENYILIANGDUIJIAODEKONGBAIQUYUNEI),YAOKAOLVPCBCAILIAOYANSEYUHUANJINGDEFANCHA,XUANZESHIDANGDEDANMIANHANPANTUXINGZUOWEIJIZHUNDINGWEIBIAOZHI。BUKEJIANGXIANTIAOHUOTIANCHONGTUXINGYONGZUOYINZHIDIANLUBANJIZHUNDINGWEIBIAOZHITUXING。YINZHEILIANGZHONGTUXINGJIANGZAIPCBZHIZAOSHI,BEIZUHANMOFUGAIERSHIGUANGXUEDINGWEIXITONGSHIBIEKUNNAN。

基准标志常用图形有:■、●、▲、云南快乐十分走势图╂,大小在0.5~2.0mm范围内,标志铜层阻焊区尺寸应为标志外形尺寸的两倍。

印制电路板局部基准定位标志

ZAIYINZHIDIANLUBANSHANG,DUIDANGE、DUOGEXIJIANJUDUOYINXIAN、DACHICUNBIAOMIANANZHUANGQIJIANDEJINGQUEFANGZHI、PINBANQUYUDINGWEIERSHEZHIDEZHUANMENHANPANTUXING。JUBUJIZHUNDINGWEIBIAOZHIYIBANKAOJINXUJINGQUEDINGWEIDEQIJIANBIANYANWEIZHI,YIBANZAIYINJIAOJIANJUXIAOYUHUODENGYU0.5mmDEQFPQIJIAN、BGAQIJIANHANPANDEDUIJIAOWAICEHUONEICESHEZHIJUBUJIZHUNDINGWEIBIAOZHI。JUBUJIZHUNDINGWEIBIAOZHIHANPANTUXINGXUANZEKECANZHAO4ZHONGDEFANGFACHULI。

印制电路板工艺夹持边

云南快乐十分走势图 WEISHIDIANLUBANZAIZHUANGLIANSHEBEISHANGZHENGCHANGCHUANDIHUOZAIXIANCESHIXITONGDEGONGYIJIAJUXUQIU,ZAIYINZHIDIANLUBANDEYUANQIJIANBUJU、BUXIANQUWAIBIANYULIU4mmYISHANGDEKONGBAIQU,JIGONGYIJIACHIBIAN。RUYINDIANLUBANJIEGOUDEYUESHU,PCBBENSHENBUNENGLIUYOUGONGYIJIACHIBIAN,GONGYIJIACHIBIANYUPCBJIANYONGVXINGCAOFANGSHICHULI。

拼板

PINBANSHIYIZHONGTIGAOSHENGCHANXIAOLVDEZHIBANXINGSHI,TAJINXIANYUYINZHIDIANLUBANWAIXINGCHICUNXIAOYU50mm×50mm。DANGCHANLIANGJIAODASHI,JIANG4~8KUAIXIANGTONGDEYINZHIDIANLUBANPINZAIYIQIERXINGCHENGYIKUAIJIAODADEYINZHIDIANLUBAN。DUIYUPINBAN,YOUYUMOBANCHONGYAPIANCHA,KENENGXINGCHENGBANYUBANZHIJIANJIANJUBUYIZHI,ZUIHAOZAIMEIKUAIPINBANSHANGDOUSHEYOUJIZHUNBIAOZHI,RANGJIQIJIANGMEIKUAIPINBANDANGZUODANBANKANDAI。PINBANDEFENLIYIBANCAIYONGVXINGZAOHUOXIANWAIXINGLIUJINGONGYI,ZAIPINBANDEBIANYANJIASHEGONGYIJIACHIBIAN,ZAIGONGYIJIACHIBIANSHANGYAOSHEZHIDINGWEIKONGHEYINZHIDIANLUBANJIZHUNDINGWEIBIAOZHI。

防振动、抗冲击设计

云南快乐十分走势图 YINZHIDIANLUBANSHANGZHUANGYOUSHANGBAIGEYUANQIJIANHUOJISHIGEJICHENGDIANLU,ERYINZHIDIANLUBANYOUHEJIXIANGLIANXIZAIYIQI,YINERTAMENSUOGOUCHENGDEZHENDONGXITONGSHIXIANGDANGFUZADE,MEIGEYUANQIJIAN、JIEGOUJIANDOUYOUZISHENDEZHENDONGTEXING,LIANGGEYUANQIJIANHUOJIEGOUJIANZHUANGPEIZAIYIQIYOUHUICHENGXIANDISANZHONGZHENDONGTEXING,ZUZHUANGFANGSHIBUTONG,QIZHENDONGTEXINGYEGEYI。WEILEFANGZHISHANGSHUXIANXIANGDECHANSHENG,BIXUCAIYONGBEIPINDINGLV。BEIPINDINGLVSHIZHI:ZAICHUANLIANDEDANHUANG-ZHILIANGXITONGZHONG,RENHEYIZUDANHUANG-ZHILIANGXITONGDEGUYOUPINLVZHISHAOSHIQIANMIANYIZUDANHUANG-ZHILIANGXITONGGUYOUPINLVDELIANGBEI。LIRU:JIASHEJIXIANGDEGUYOUPINLVSHI100Hz,NEIMEYINZHIDIANLUBANDEGUYOUPINLVYINGGAIZAI200HzYISHANG,CAINENGFANGZHIYINYINZHIDIANLUBANDEGONGZHENFANGDAERYINQIJIXIANGFASHENGGONGZHEN。WEICI,BIXUTIGAOYINZHIDIANLUBANDEJIEGOUGANGDU,HUOJINYIBUZAIYINZHIDIANLUBANSHANGCAIQUJIANZHENCUOSHILAIXUERUOYINZHIDIANLUBANDEZHENDONG。

云南快乐十分走势图 CHANGYONGDEFANGZHENDONGHEKANGCHONGJISHEJICUOSHIYOUYIXIAJIZHONG:

  1. 增加印制板的厚度,从而提高印制电路板的结构刚度;
  2. 在不能增加印制板厚度的情况下,可在印制板上附加加强筋,以提高其刚度。为满足热设计要求而采用的导热条(板),不仅增强了散热能力,还提高了印制电路板的隔振及缓冲能力;
  3. 把橡胶减振器联结在印制电路板上作为附加的结构支撑,从而减小振动时印制电路板中心的振幅,使其在安全的范围内;
  4. 用机械方法增加印制电路板边缘与支承界面间的接触压力,通过改变边界条件来降低板中心的振幅,从而防止印制电路板上元器件的疲劳损坏。

【格亚信电子】是专业从事电子产品设计、电子方案开发、电子产品PCBA加工的深圳电子方案公司,主要设计电子产品包括工控、汽车、电源、通信、安防、医疗电子产品开发。

GONGSIHEXINYEWUSHITIGONGYIGONGKONGDIANZI、QICHEDIANZI、YILIAODIANZI、ANFANGDIANZI、XIAOFEIDIANZI、TONGXUNDIANZI、DIANYUANDIANZIDENGDUOLINGYUDEDIANZICHANPINSHEJI、FANGANKAIFAJIJIAGONGSHENGCHANDEYIZHANSHIPCBAFUWU,WEIMANZUBUTONGKEHUXUQIUKETIGONGZHONGXIAOPILIANGPCBAJIAGONG。

GONGSICHANPINHANGAIGONGYESHENGCHANSHEBEIKONGZHISHEBEIDIANZIKAIFA、QICHEMCUDIANZIKONGZHIXITONGFANGANSHEJI、SIFUKONGZHIBANPCBAJIAGONG、SHUKONGJICHUANGZHUBANPCBAJIAGONG,ZHINENGJIAJUDIANZIYANFA、3DDAYINJIKONGZHIBANPCBAJIAGONGDENGLINGYU。YEWULIUCHENGBAOKUODIANZIFANGANKAIFASHEJI、PCBSHENGCHAN、YUANQIJIANCAIGOU、SMTTIEPIANJIAGONG、YANGJIZHIZUODIAOSHI、PCBAZHONGXIAOPILIANGJIAGONGSHENGCHAN、HOUQIZHIBAOWEIHUYIZHANSHIPCBAJIAGONGFUWU。

云南快乐十分走势图http://aolongjixie.com/

作者:电子产品设计


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云南快乐十分走势图