行(Xing)业(Ye)新(Xin)闻(Wen)
首(Shou)页(Ye) - 行(Xing)业(Ye)新(Xin)闻(Wen)机(Ji)械(Xie)工(Gong)人(Ren)眼(Yan)中(Zhong)的(De)艺(Yi)术(Shu)!(?)领(Ling)略(Lue)国(Guo)外(Wai)数(Shu)控(Kong)复(Fu)杂(Za)的(De)加(Jia)工(Gong)模(Mo)式(Shi)!(?)
数(Shu)控(Kong)加(Jia)工(Gong)((?)numerical control machining)(?),(?)是(Shi)指(Zhi)在(Zai)数(Shu)控(Kong)机(Ji)床(Chuang)上(Shang)进(Jin)行(Xing)零(Ling)件(Jian)加(Jia)工(Gong)的(De)一(Yi)种(Zhong)工(Gong)艺(Yi)方(Fang)法(Fa),(?)数(Shu)控(Kong)机(Ji)床(Chuang)加(Jia)工(Gong)与(Yu)传(Chuan)统(Tong)机(Ji)床(Chuang)加(Jia)工(Gong)的(De)工(Gong)艺(Yi)规(Gui)程(Cheng)从(Cong)总(Zong)体(Ti)上(Shang)说(Shuo)是(Shi)一(Yi)致(Zhi)的(De),(?)但(Dan)也(Ye)发(Fa)生(Sheng)了(Liao)明(Ming)显(Xian)的(De)变(Bian)化(Hua)。(?)用(Yong)数(Shu)字(Zi)信(Xin)息(Xi)控(Kong)制(Zhi)零(Ling)件(Jian)和(He)刀(Dao)具(Ju)位(Wei)移(Yi)的(De)机(Ji)械(Xie)加(Jia)工(Gong)方(Fang)法(Fa)。(?)它(Ta)是(Shi)解(Jie)决(Jue)零(Ling)件(Jian)品(Pin)种(Zhong)多(Duo)变(Bian)、(?)批(Pi)量(Liang)小(Xiao)、(?)形(Xing)状(Zhuang)复(Fu)杂(Za)、(?)精(Jing)度(Du)高(Gao)等(Deng)问(Wen)题(Ti)和(He)实(Shi)现(Xian)高(Gao)效(Xiao)化(Hua)和(He)自(Zi)动(Dong)化(Hua)加(Jia)工(Gong)的(De)有(You)效(Xiao)途(Tu)径(Jing)。(?)
操(Cao)作(Zuo)过(Guo)程(Cheng)
数(Shu)控(Kong)编(Bian)程(Cheng)
数(Shu)控(Kong)加(Jia)工(Gong)程(Cheng)序(Xu)编(Bian)制(Zhi)方(Fang)法(Fa)有(You)手(Shou)工(Gong)((?)人(Ren)工(Gong))(?)编(Bian)程(Cheng)和(He)自(Zi)动(Dong)编(Bian)程(Cheng)之(Zhi)分(Fen)。(?)手(Shou)工(Gong)编(Bian)程(Cheng),(?)程(Cheng)序(Xu)的(De)全(Quan)部(Bu)内(Nei)容(Rong)是(Shi)由(You)人(Ren)工(Gong)按(An)数(Shu)控(Kong)系(Xi)统(Tong)所(Suo)规(Gui)定(Ding)的(De)指(Zhi)令(Ling)格(Ge)式(Shi)编(Bian)写(Xie)的(De)。(?)自(Zi)动(Dong)编(Bian)程(Cheng)即(Ji)计(Ji)算(Suan)机(Ji)编(Bian)程(Cheng),(?)可(Ke)分(Fen)为(Wei)以(Yi)语(Yu)言(Yan)和(He)绘(Hui)画(Hua)为(Wei)基(Ji)础(Chu)的(De)自(Zi)动(Dong)编(Bian)程(Cheng)方(Fang)法(Fa)。(?)但(Dan)是(Shi),(?)无(Wu)论(Lun)是(Shi)采(Cai)用(Yong)何(He)种(Zhong)自(Zi)动(Dong)编(Bian)程(Cheng)方(Fang)法(Fa),(?)都(Du)需(Xu)要(Yao)有(You)相(Xiang)应(Ying)配(Pei)套(Tao)的(De)硬(Ying)件(Jian)和(He)软(Ruan)件(Jian)。(?)
可(Ke)见(Jian),(?)实(Shi)现(Xian)数(Shu)控(Kong)加(Jia)工(Gong)编(Bian)程(Cheng)是(Shi)关(Guan)键(Jian)。(?)但(Dan)光(Guang)有(You)编(Bian)程(Cheng)是(Shi)不(Bu)行(Xing)的(De),(?)数(Shu)控(Kong)加(Jia)工(Gong)还(Huan)包(Bao)括(Kuo)编(Bian)程(Cheng)前(Qian)必(Bi)须(Xu)要(Yao)做(Zuo)的(De)一(Yi)系(Xi)列(Lie)准(Zhun)备(Bei)工(Gong)作(Zuo)及(Ji)编(Bian)程(Cheng)后(Hou)的(De)善(Shan)后(Hou)处(Chu)理(Li)工(Gong)作(Zuo)。(?)一(Yi)般(Ban)来(Lai)说(Shuo)数(Shu)控(Kong)加(Jia)工(Gong)工(Gong)艺(Yi)主(Zhu)要(Yao)包(Bao)括(Kuo)的(De)内(Nei)容(Rong)如(Ru)下(Xia):(?)
⑴(?) 选(Xuan)择(Ze)并(Bing)确(Que)定(Ding)进(Jin)行(Xing)数(Shu)控(Kong)加(Jia)工(Gong)的(De)零(Ling)件(Jian)及(Ji)内(Nei)容(Rong);(?)
⑵(?) 对(Dui)零(Ling)件(Jian)图(Tu)纸(Zhi)进(Jin)行(Xing)数(Shu)控(Kong)加(Jia)工(Gong)的(De)工(Gong)艺(Yi)分(Fen)析(Xi);(?)
⑶(?)数(Shu)控(Kong)加(Jia)工(Gong)的(De)工(Gong)艺(Yi)设(She)计(Ji);(?)
⑷(?) 对(Dui)零(Ling)件(Jian)图(Tu)纸(Zhi)的(De)数(Shu)学(Xue)处(Chu)理(Li);(?)
⑸(?) 编(Bian)写(Xie)加(Jia)工(Gong)程(Cheng)序(Xu)单(Dan);(?)
⑹(?) 按(An)程(Cheng)序(Xu)单(Dan)制(Zhi)作(Zuo)控(Kong)制(Zhi)介(Jie)质(Zhi);(?)
⑺(?)程(Cheng)序(Xu)的(De)校(Xiao)验(Yan)与(Yu)修(Xiu)改(Gai);(?)
⑻(?) 首(Shou)件(Jian)试(Shi)加(Jia)工(Gong)与(Yu)现(Xian)场(Chang)问(Wen)题(Ti)处(Chu)理(Li);(?)
⑼(?)数(Shu)控(Kong)加(Jia)工(Gong)工(Gong)艺(Yi)文(Wen)件(Jian)的(De)定(Ding)型(Xing)与(Yu)归(Gui)档(Dang)。(?)
为(Wei)了(Liao)提(Ti)高(Gao)生(Sheng)产(Chan)自(Zi)动(Dong)化(Hua)程(Cheng)度(Du),(?)缩(Suo)短(Duan)编(Bian)程(Cheng)时(Shi)间(Jian)和(He)降(Jiang)低(Di)数(Shu)控(Kong)加(Jia)工(Gong)成(Cheng)本(Ben),(?)在(Zai)航(Hang)空(Kong)航(Hang)天(Tian)工(Gong)业(Ye)中(Zhong)还(Huan)发(Fa)展(Zhan)和(He)使(Shi)用(Yong)了(Liao)一(Yi)系(Xi)列(Lie)先(Xian)进(Jin)的(De)数(Shu)控(Kong)加(Jia)工(Gong)技(Ji)术(Shu)。(?)如(Ru)计(Ji)算(Suan)机(Ji)数(Shu)控(Kong),(?)即(Ji)用(Yong)小(Xiao)型(Xing)或(Huo)微(Wei)型(Xing)计(Ji)算(Suan)机(Ji)代(Dai)替(Ti)数(Shu)控(Kong)系(Xi)统(Tong)中(Zhong)的(De)控(Kong)制(Zhi)器(Qi),(?)并(Bing)用(Yong)存(Cun)贮(Zhu)在(Zai)计(Ji)算(Suan)机(Ji)中(Zhong)的(De)软(Ruan)件(Jian)执(Zhi)行(Xing)计(Ji)算(Suan)和(He)控(Kong)制(Zhi)功(Gong)能(Neng),(?)这(Zhe)种(Zhong)软(Ruan)连(Lian)接(Jie)的(De)计(Ji)算(Suan)机(Ji)数(Shu)控(Kong)系(Xi)统(Tong)正(Zheng)在(Zai)逐(Zhu)步(Bu)取(Qu)代(Dai)初(Chu)始(Shi)态(Tai)的(De)数(Shu)控(Kong)系(Xi)统(Tong)。(?)直(Zhi)接(Jie)数(Shu)控(Kong)是(Shi)用(Yong)一(Yi)台(Tai)计(Ji)算(Suan)机(Ji)直(Zhi)接(Jie)控(Kong)制(Zhi)多(Duo)台(Tai)数(Shu)控(Kong)机(Ji)床(Chuang),(?)很(Hen)适(Shi)合(He)于(Yu)飞(Fei)行(Xing)器(Qi)的(De)小(Xiao)批(Pi)量(Liang)短(Duan)周(Zhou)期(Qi)生(Sheng)产(Chan)。(?)理(Li)想(Xiang)的(De)控(Kong)制(Zhi)系(Xi)统(Tong)是(Shi)可(Ke)连(Lian)续(Xu)改(Gai)变(Bian)加(Jia)工(Gong)参(Can)数(Shu)的(De)自(Zi)适(Shi)应(Ying)控(Kong)制(Zhi)系(Xi)统(Tong),(?)虽(Sui)然(Ran)系(Xi)统(Tong)本(Ben)身(Shen)很(Hen)复(Fu)杂(Za),(?)造(Zao)价(Jia)昂(Ang)贵(Gui),(?)但(Dan)可(Ke)以(Yi)提(Ti)高(Gao)加(Jia)工(Gong)效(Xiao)率(Lu)和(He)质(Zhi)量(Liang)。(?)数(Shu)控(Kong)的(De)发(Fa)展(Zhan)除(Chu)在(Zai)硬(Ying)件(Jian)方(Fang)面(Mian)对(Dui)数(Shu)控(Kong)系(Xi)统(Tong)和(He)机(Ji)床(Chuang)的(De)改(Gai)善(Shan)外(Wai),(?)还(Huan)有(You)另(Ling)一(Yi)个(Ge)重(Zhong)要(Yao)方(Fang)面(Mian)就(Jiu)是(Shi)软(Ruan)件(Jian)的(De)发(Fa)展(Zhan)。(?)计(Ji)算(Suan)机(Ji)辅(Fu)助(Zhu)编(Bian)程(Cheng)((?)也(Ye)叫(Jiao)自(Zi)动(Dong)编(Bian)程(Cheng))(?)就(Jiu)是(Shi)由(You)程(Cheng)序(Xu)员(Yuan)用(Yong)数(Shu)控(Kong)语(Yu)言(Yan)写(Xie)出(Chu)程(Cheng)序(Xu)后(Hou),(?)将(Jiang)它(Ta)输(Shu)入(Ru)到(Dao)计(Ji)算(Suan)机(Ji)中(Zhong)进(Jin)行(Xing)翻(Fan)译(Yi),(?)最(Zui)后(Hou)由(You)计(Ji)算(Suan)机(Ji)自(Zi)动(Dong)输(Shu)出(Chu)穿(Chuan)孔(Kong)带(Dai)或(Huo)磁(Ci)带(Dai)。(?)用(Yong)得(De)比(Bi)较(Jiao)广(Guang)泛(Fan)的(De)数(Shu)控(Kong)语(Yu)言(Yan)是(Shi) APT语(Yu)言(Yan)。(?)它(Ta)大(Da)体(Ti)上(Shang)分(Fen)为(Wei)主(Zhu)处(Chu)理(Li)程(Cheng)序(Xu)和(He)后(Hou)置(Zhi)处(Chu)理(Li)程(Cheng)序(Xu)。(?)前(Qian)者(Zhe)对(Dui)程(Cheng)序(Xu)员(Yuan)书(Shu)写(Xie)的(De)程(Cheng)序(Xu)加(Jia)以(Yi)翻(Fan)译(Yi),(?)算(Suan)出(Chu)刀(Dao)具(Ju)轨(Gui)迹(Ji);(?)后(Hou)者(Zhe)把(Ba)刀(Dao)具(Ju)轨(Gui)迹(Ji)编(Bian)成(Cheng)数(Shu)控(Kong)机(Ji)床(Chuang)的(De)零(Ling)件(Jian)加(Jia)工(Gong)程(Cheng)序(Xu)。(?)数(Shu)控(Kong)加(Jia)工(Gong),(?)是(Shi)在(Zai)对(Dui)工(Gong)件(Jian)进(Jin)行(Xing)加(Jia)工(Gong)前(Qian)事(Shi)先(Xian)在(Zai)计(Ji)算(Suan)机(Ji)上(Shang)编(Bian)写(Xie)好(Hao)程(Cheng)序(Xu),(?)再(Zai)将(Jiang)这(Zhe)些(Xie)程(Cheng)序(Xu)输(Shu)入(Ru)到(Dao)使(Shi)用(Yong)计(Ji)算(Suan)机(Ji)程(Cheng)序(Xu)控(Kong)制(Zhi)的(De)机(Ji)床(Chuang)进(Jin)行(Xing)指(Zhi)令(Ling)性(Xing)加(Jia)工(Gong),(?)或(Huo)者(Zhe)直(Zhi)接(Jie)在(Zai)这(Zhe)种(Zhong)计(Ji)算(Suan)机(Ji)程(Cheng)序(Xu)控(Kong)制(Zhi)的(De)机(Ji)床(Chuang)控(Kong)制(Zhi)面(Mian)板(Ban)上(Shang)编(Bian)写(Xie)指(Zhi)令(Ling)进(Jin)行(Xing)加(Jia)工(Gong)。(?)加(Jia)工(Gong)的(De)过(Guo)程(Cheng)包(Bao)括(Kuo):(?)走(Zou)刀(Dao),(?)换(Huan)刀(Dao),(?)变(Bian)速(Su),(?)变(Bian)向(Xiang),(?)停(Ting)车(Che)等(Deng),(?)都(Du)是(Shi)自(Zi)动(Dong)完(Wan)成(Cheng)的(De)。(?)数(Shu)控(Kong)加(Jia)工(Gong)是(Shi)现(Xian)代(Dai)模(Mo)具(Ju)制(Zhi)造(Zao)加(Jia)工(Gong)的(De)一(Yi)种(Zhong)先(Xian)进(Jin)手(Shou)段(Duan)。(?)当(Dang)然(Ran),(?)数(Shu)控(Kong)加(Jia)工(Gong)手(Shou)段(Duan)也(Ye)一(Yi)定(Ding)不(Bu)只(Zhi)用(Yong)于(Yu)模(Mo)具(Ju)零(Ling)件(Jian)加(Jia)工(Gong),(?)用(Yong)途(Tu)十(Shi)分(Fen)广(Guang)泛(Fan)。(?)
工(Gong)艺(Yi)分(Fen)析(Xi)
被(Bei)加(Jia)工(Gong)零(Ling)件(Jian)的(De)数(Shu)控(Kong)加(Jia)工(Gong)工(Gong)艺(Yi)性(Xing)问(Wen)题(Ti)涉(She)及(Ji)面(Mian)很(Hen)广(Guang),(?)下(Xia)面(Mian)结(Jie)合(He)编(Bian)程(Cheng)的(De)可(Ke)能(Neng)性(Xing)和(He)方(Fang)便(Bian)性(Xing)提(Ti)出(Chu)一(Yi)些(Xie)必(Bi)须(Xu)分(Fen)析(Xi)和(He)审(Shen)查(Cha)的(De)主(Zhu)要(Yao)内(Nei)容(Rong)。(?)
1、(?)尺(Chi)寸(Cun)标(Biao)注(Zhu)应(Ying)符(Fu)合(He)数(Shu)控(Kong)加(Jia)工(Gong)的(De)特(Te)点(Dian)
在(Zai)数(Shu)控(Kong)编(Bian)程(Cheng)中(Zhong),(?)所(Suo)有(You)点(Dian)、(?)线(Xian)、(?)面(Mian)的(De)尺(Chi)寸(Cun)和(He)位(Wei)置(Zhi)都(Du)是(Shi)以(Yi)编(Bian)程(Cheng)原(Yuan)点(Dian)为(Wei)基(Ji)准(Zhun)的(De)。(?)因(Yin)此(Ci)零(Ling)件(Jian)图(Tu)上(Shang)最(Zui)好(Hao)直(Zhi)接(Jie)给(Gei)出(Chu)坐(Zuo)标(Biao)尺(Chi)寸(Cun),(?)或(Huo)尽(Jin)量(Liang)以(Yi)同(Tong)一(Yi)基(Ji)准(Zhun)引(Yin)注(Zhu)尺(Chi)寸(Cun)。(?)
2、(?)几(Ji)何(He)要(Yao)素(Su)的(De)条(Tiao)件(Jian)应(Ying)完(Wan)整(Zheng)、(?)准(Zhun)确(Que)
在(Zai)程(Cheng)序(Xu)编(Bian)制(Zhi)中(Zhong),(?)编(Bian)程(Cheng)人(Ren)员(Yuan)必(Bi)须(Xu)充(Chong)分(Fen)掌(Zhang)握(Wo)构(Gou)成(Cheng)零(Ling)件(Jian)轮(Lun)廓(Kuo)的(De)几(Ji)何(He)要(Yao)素(Su)参(Can)数(Shu)及(Ji)各(Ge)几(Ji)何(He)要(Yao)素(Su)间(Jian)的(De)关(Guan)系(Xi)。(?)因(Yin)为(Wei)在(Zai)自(Zi)动(Dong)编(Bian)程(Cheng)时(Shi)要(Yao)对(Dui)零(Ling)件(Jian)轮(Lun)廓(Kuo)的(De)所(Suo)有(You)几(Ji)何(He)元(Yuan)素(Su)进(Jin)行(Xing)定(Ding)义(Yi),(?)手(Shou)工(Gong)编(Bian)程(Cheng)时(Shi)要(Yao)计(Ji)算(Suan)出(Chu)每(Mei)个(Ge)节(Jie)点(Dian)的(De)坐(Zuo)标(Biao),(?)无(Wu)论(Lun)哪(Na)一(Yi)点(Dian)不(Bu)明(Ming)确(Que)或(Huo)不(Bu)确(Que)定(Ding),(?)编(Bian)程(Cheng)都(Du)无(Wu)法(Fa)进(Jin)行(Xing)。(?)但(Dan)由(You)于(Yu)零(Ling)件(Jian)设(She)计(Ji)人(Ren)员(Yuan)在(Zai)设(She)计(Ji)过(Guo)程(Cheng)中(Zhong)考(Kao)虑(Lu)不(Bu)周(Zhou)或(Huo)被(Bei)忽(Hu)略(Lue),(?)常(Chang)常(Chang)出(Chu)现(Xian)参(Can)数(Shu)不(Bu)全(Quan)或(Huo)不(Bu)清(Qing)楚(Chu),(?)如(Ru)圆(Yuan)弧(Hu)与(Yu)直(Zhi)线(Xian)、(?)圆(Yuan)弧(Hu)与(Yu)圆(Yuan)弧(Hu)是(Shi)相(Xiang)切(Qie)还(Huan)是(Shi)相(Xiang)交(Jiao)或(Huo)相(Xiang)离(Li)。(?)所(Suo)以(Yi)在(Zai)审(Shen)查(Cha)与(Yu)分(Fen)析(Xi)图(Tu)纸(Zhi)时(Shi),(?)一(Yi)定(Ding)要(Yao)仔(Zi)细(Xi),(?)发(Fa)现(Xian)问(Wen)题(Ti)及(Ji)时(Shi)与(Yu)设(She)计(Ji)人(Ren)员(Yuan)联(Lian)系(Xi)。(?)
3、(?)定(Ding)位(Wei)基(Ji)准(Zhun)可(Ke)靠(Kao)
在(Zai)数(Shu)控(Kong)加(Jia)工(Gong)中(Zhong),(?)加(Jia)工(Gong)工(Gong)序(Xu)往(Wang)往(Wang)较(Jiao)集(Ji)中(Zhong),(?)以(Yi)同(Tong)一(Yi)基(Ji)准(Zhun)定(Ding)位(Wei)十(Shi)分(Fen)重(Zhong)要(Yao)。(?)因(Yin)此(Ci)往(Wang)往(Wang)需(Xu)要(Yao)设(She)置(Zhi)一(Yi)些(Xie)辅(Fu)助(Zhu)基(Ji)准(Zhun),(?)或(Huo)在(Zai)毛(Mao)坯(Pi)上(Shang)增(Zeng)加(Jia)一(Yi)些(Xie)工(Gong)艺(Yi)凸(Tu)台(Tai)。(?)
4、(?)统(Tong)一(Yi)几(Ji)何(He)类(Lei)型(Xing)或(Huo)尺(Chi)寸(Cun)
零(Ling)件(Jian)的(De)外(Wai)形(Xing)、(?)内(Nei)腔(Qiang)最(Zui)好(Hao)采(Cai)用(Yong)统(Tong)一(Yi)的(De)几(Ji)何(He)类(Lei)型(Xing)或(Huo)尺(Chi)寸(Cun),(?)这(Zhe)样(Yang)可(Ke)以(Yi)减(Jian)少(Shao)换(Huan)刀(Dao)次(Ci)数(Shu),(?)还(Huan)可(Ke)能(Neng)应(Ying)用(Yong)控(Kong)制(Zhi)程(Cheng)序(Xu)或(Huo)专(Zhuan)用(Yong)程(Cheng)序(Xu)以(Yi)缩(Suo)短(Duan)程(Cheng)序(Xu)长(Chang)度(Du)。(?)零(Ling)件(Jian)的(De)形(Xing)状(Zhuang)尽(Jin)可(Ke)能(Neng)对(Dui)称(Cheng),(?)便(Bian)于(Yu)利(Li)用(Yong)数(Shu)控(Kong)机(Ji)床(Chuang)的(De)镜(Jing)向(Xiang)加(Jia)工(Gong)功(Gong)能(Neng)来(Lai)编(Bian)程(Cheng),(?)以(Yi)节(Jie)省(Sheng)编(Bian)程(Cheng)时(Shi)间(Jian)。(?)
零(Ling)件(Jian)装(Zhuang)夹(Jia)
一(Yi)、(?)定(Ding)位(Wei)安(An)装(Zhuang)的(De)基(Ji)本(Ben)原(Yuan)则(Ze)
在(Zai)数(Shu)控(Kong)机(Ji)床(Chuang)上(Shang)加(Jia)工(Gong)零(Ling)件(Jian)时(Shi),(?)定(Ding)位(Wei)安(An)装(Zhuang)的(De)基(Ji)本(Ben)原(Yuan)则(Ze)是(Shi)合(He)理(Li)选(Xuan)择(Ze)定(Ding)位(Wei)基(Ji)准(Zhun)和(He)夹(Jia)紧(Jin)方(Fang)案(An)。(?)在(Zai)选(Xuan)择(Ze)时(Shi)应(Ying)注(Zhu)意(Yi)以(Yi)下(Xia)几(Ji)点(Dian):(?)
1、(?)力(Li)求(Qiu)设(She)计(Ji)、(?)工(Gong)艺(Yi)和(He)编(Bian)程(Cheng)计(Ji)算(Suan)的(De)基(Ji)准(Zhun)统(Tong)一(Yi)。(?)
2、(?)尽(Jin)量(Liang)减(Jian)少(Shao)装(Zhuang)夹(Jia)次(Ci)数(Shu),(?)尽(Jin)可(Ke)能(Neng)在(Zai)一(Yi)次(Ci)定(Ding)位(Wei)装(Zhuang)夹(Jia)后(Hou),(?)加(Jia)工(Gong)出(Chu)全(Quan)部(Bu)待(Dai)加(Jia)工(Gong)表(Biao)面(Mian)。(?)
3、(?)避(Bi)免(Mian)采(Cai)用(Yong)占(Zhan)机(Ji)人(Ren)工(Gong)调(Diao)整(Zheng)式(Shi)加(Jia)工(Gong)方(Fang)案(An),(?)以(Yi)充(Chong)分(Fen)发(Fa)挥(Hui)数(Shu)控(Kong)机(Ji)床(Chuang)的(De)效(Xiao)能(Neng)。(?)
二(?)、(?)选(Xuan)择(Ze)夹(Jia)具(Ju)的(De)基(Ji)本(Ben)原(Yuan)则(Ze)
数(Shu)控(Kong)加(Jia)工(Gong)的(De)特(Te)点(Dian)对(Dui)夹(Jia)具(Ju)提(Ti)出(Chu)了(Liao)两(Liang)个(Ge)基(Ji)本(Ben)要(Yao)求(Qiu):(?)一(Yi)是(Shi)要(Yao)保(Bao)证(Zheng)夹(Jia)具(Ju)的(De)坐(Zuo)标(Biao)方(Fang)向(Xiang)与(Yu)机(Ji)床(Chuang)的(De)坐(Zuo)标(Biao)方(Fang)向(Xiang)相(Xiang)对(Dui)固(Gu)定(Ding);(?)二(?)是(Shi)要(Yao)协(Xie)调(Diao)零(Ling)件(Jian)和(He)机(Ji)床(Chuang)坐(Zuo)标(Biao)系(Xi)的(De)尺(Chi)寸(Cun)关(Guan)系(Xi)。(?)除(Chu)此(Ci)之(Zhi)外(Wai),(?)还(Huan)要(Yao)考(Kao)虑(Lu)以(Yi)下(Xia)几(Ji)点(Dian):(?)
1、(?)当(Dang)零(Ling)件(Jian)加(Jia)工(Gong)批(Pi)量(Liang)不(Bu)大(Da)时(Shi),(?)应(Ying)尽(Jin)量(Liang)采(Cai)用(Yong)组(Zu)合(He)夹(Jia)具(Ju)、(?)可(Ke)调(Diao)式(Shi)夹(Jia)具(Ju)及(Ji)其(Qi)他(Ta)通(Tong)用(Yong)夹(Jia)具(Ju),(?)以(Yi)缩(Suo)短(Duan)生(Sheng)产(Chan)准(Zhun)备(Bei)时(Shi)间(Jian)、(?)节(Jie)省(Sheng)生(Sheng)产(Chan)费(Fei)用(Yong)。(?)
2、(?)在(Zai)成(Cheng)批(Pi)生(Sheng)产(Chan)时(Shi)才(Cai)考(Kao)虑(Lu)采(Cai)用(Yong)专(Zhuan)用(Yong)夹(Jia)具(Ju),(?)并(Bing)力(Li)求(Qiu)结(Jie)构(Gou)简(Jian)单(Dan)。(?)
3、(?)零(Ling)件(Jian)的(De)装(Zhuang)卸(Xie)要(Yao)快(Kuai)速(Su)、(?)方(Fang)便(Bian)、(?)可(Ke)靠(Kao),(?)以(Yi)缩(Suo)短(Duan)机(Ji)床(Chuang)的(De)停(Ting)顿(Dun)时(Shi)间(Jian)。(?)
4、(?)夹(Jia)具(Ju)上(Shang)各(Ge)零(Ling)部(Bu)件(Jian)应(Ying)不(Bu)妨(Fang)碍(Ai)机(Ji)床(Chuang)对(Dui)零(Ling)件(Jian)各(Ge)表(Biao)面(Mian)的(De)加(Jia)工(Gong),(?)即(Ji)夹(Jia)具(Ju)要(Yao)开(Kai)敞(Chang),(?)其(Qi)定(Ding)位(Wei)、(?)夹(Jia)紧(Jin)机(Ji)构(Gou)元(Yuan)件(Jian)不(Bu)能(Neng)影(Ying)响(Xiang)加(Jia)工(Gong)中(Zhong)的(De)走(Zou)刀(Dao)((?)如(Ru)产(Chan)生(Sheng)碰(Peng)撞(Zhuang)等(Deng))(?)。(?)
加(Jia)工(Gong)误(Wu)差(Cha)
数(Shu)控(Kong)加(Jia)工(Gong)误(Wu)差(Cha)△(?)数(Shu)加(Jia)是(Shi)由(You)编(Bian)程(Cheng)误(Wu)差(Cha)△(?)编(Bian)、(?)机(Ji)床(Chuang)误(Wu)差(Cha)△(?)机(Ji)、(?)定(Ding)位(Wei)误(Wu)差(Cha)△(?)定(Ding)、(?)对(Dui)刀(Dao)误(Wu)差(Cha)△(?)刀(Dao)等(Deng)误(Wu)差(Cha)综(Zong)合(He)形(Xing)成(Cheng)。(?)
即(Ji):(?)△(?)数(Shu)加(Jia)=f((?)△(?)编(Bian)+△(?)机(Ji)+△(?)定(Ding)+△(?)刀(Dao))(?)
其(Qi)中(Zhong):(?)
1、(?)编(Bian)程(Cheng)误(Wu)差(Cha)△(?)编(Bian)由(You)逼(?)近(Jin)误(Wu)差(Cha)δ(?)、(?)圆(Yuan)整(Zheng)误(Wu)差(Cha)组(Zu)成(Cheng)。(?)逼(?)近(Jin)误(Wu)差(Cha)δ(?)是(Shi)在(Zai)用(Yong)直(Zhi)线(Xian)段(Duan)或(Huo)圆(Yuan)弧(Hu)段(Duan)去(Qu)逼(?)近(Jin)非(Fei)圆(Yuan)曲(Qu)线(Xian)的(De)过(Guo)程(Cheng)中(Zhong)产(Chan)生(Sheng),(?)如(Ru)图(Tu)1.43所(Suo)示(Shi)。(?)圆(Yuan)整(Zheng)误(Wu)差(Cha)是(Shi)在(Zai)数(Shu)据(Ju)处(Chu)理(Li)时(Shi),(?)将(Jiang)坐(Zuo)标(Biao)值(Zhi)四(Si)舍(She)五(Wu)入(Ru)圆(Yuan)整(Zheng)成(Cheng)整(Zheng)数(Shu)脉(Mai)冲(Chong)当(Dang)量(Liang)值(Zhi)而(?)产(Chan)生(Sheng)的(De)误(Wu)差(Cha)。(?)脉(Mai)冲(Chong)当(Dang)量(Liang)是(Shi)指(Zhi)每(Mei)个(Ge)单(Dan)位(Wei)脉(Mai)冲(Chong)对(Dui)应(Ying)坐(Zuo)标(Biao)轴(Zhou)的(De)位(Wei)移(Yi)量(Liang)。(?)普(Pu)通(Tong)精(Jing)度(Du)级(Ji)的(De)数(Shu)控(Kong)机(Ji)床(Chuang),(?)一(Yi)般(Ban)脉(Mai)冲(Chong)当(Dang)量(Liang)值(Zhi)为(Wei)0.01mm;(?)较(Jiao)精(Jing)密(Mi)数(Shu)控(Kong)机(Ji)床(Chuang)的(De)脉(Mai)冲(Chong)当(Dang)量(Liang)值(Zhi)为(Wei)0.005mm或(Huo)0.001mm等(Deng)。(?)
2、(?)机(Ji)床(Chuang)误(Wu)差(Cha)△(?)机(Ji)由(You)数(Shu)控(Kong)系(Xi)统(Tong)误(Wu)差(Cha)、(?)进(Jin)给(Gei)系(Xi)统(Tong)误(Wu)差(Cha)等(Deng)原(Yuan)因(Yin)产(Chan)生(Sheng)。(?)
3、(?)定(Ding)位(Wei)误(Wu)差(Cha)△(?)定(Ding)是(Shi)当(Dang)工(Gong)件(Jian)在(Zai)夹(Jia)具(Ju)上(Shang)定(Ding)位(Wei)、(?)夹(Jia)具(Ju)在(Zai)机(Ji)床(Chuang)上(Shang)定(Ding)位(Wei)时(Shi)产(Chan)生(Sheng)的(De)。(?)
4、(?)对(Dui)刀(Dao)误(Wu)差(Cha)△(?)刀(Dao)是(Shi)在(Zai)确(Que)定(Ding)刀(Dao)具(Ju)与(Yu)工(Gong)件(Jian)的(De)相(Xiang)对(Dui)位(Wei)置(Zhi)时(Shi)产(Chan)生(Sheng)。(?)
主(Zhu)要(Yao)特(Te)点(Dian)
数(Shu)控(Kong)机(Ji)床(Chuang)一(Yi)开(Kai)始(Shi)就(Jiu)选(Xuan)定(Ding)具(Ju)有(You)复(Fu)杂(Za)型(Xing)面(Mian)的(De)飞(Fei)机(Ji)零(Ling)件(Jian)作(Zuo)为(Wei)加(Jia)工(Gong)对(Dui)象(Xiang),(?)解(Jie)决(Jue)普(Pu)通(Tong)的(De)加(Jia)工(Gong)方(Fang)法(Fa)难(Nan)以(Yi)解(Jie)决(Jue)的(De)关(Guan)键(Jian)。(?)数(Shu)控(Kong)加(Jia)工(Gong)的(De)最(Zui)大(Da)特(Te)点(Dian)是(Shi)用(Yong)穿(Chuan)孔(Kong)带(Dai)((?)或(Huo)磁(Ci)带(Dai))(?)控(Kong)制(Zhi)机(Ji)床(Chuang)进(Jin)行(Xing)自(Zi)动(Dong)加(Jia)工(Gong)。(?)由(You)于(Yu)飞(Fei)机(Ji)、(?)火(Huo)箭(Jian)和(He)发(Fa)动(Dong)机(Ji)零(Ling)件(Jian)各(Ge)有(You)不(Bu)同(Tong)的(De)特(Te)点(Dian):(?)飞(Fei)机(Ji)和(He)火(Huo)箭(Jian)的(De)零(Ling)、(?)构(Gou)件(Jian)尺(Chi)寸(Cun)大(Da)、(?)型(Xing)面(Mian)复(Fu)杂(Za);(?)发(Fa)动(Dong)机(Ji)零(Ling)、(?)构(Gou)件(Jian)尺(Chi)寸(Cun)小(Xiao)、(?)精(Jing)度(Du)高(Gao)。(?)因(Yin)此(Ci)飞(Fei)机(Ji)、(?)火(Huo)箭(Jian)制(Zhi)造(Zao)部(Bu)门(Men)和(He)发(Fa)动(Dong)机(Ji)制(Zhi)造(Zao)部(Bu)门(Men)所(Suo)选(Xuan)用(Yong)的(De)数(Shu)控(Kong)机(Ji)床(Chuang)有(You)所(Suo)不(Bu)同(Tong)。(?)在(Zai)飞(Fei)机(Ji)和(He)火(Huo)箭(Jian)制(Zhi)造(Zao)中(Zhong)以(Yi)采(Cai)用(Yong)连(Lian)续(Xu)控(Kong)制(Zhi)的(De)大(Da)型(Xing)数(Shu)控(Kong)铣(Xi)床(Chuang)为(Wei)主(Zhu),(?)而(?)在(Zai)发(Fa)动(Dong)机(Ji)制(Zhi)造(Zao)中(Zhong)既(Ji)采(Cai)用(Yong)连(Lian)续(Xu)控(Kong)制(Zhi)的(De)数(Shu)控(Kong)机(Ji)床(Chuang),(?)也(Ye)采(Cai)用(Yong)点(Dian)位(Wei)控(Kong)制(Zhi)的(De)数(Shu)控(Kong)机(Ji)床(Chuang)((?)如(Ru)数(Shu)控(Kong)钻(Zuan)床(Chuang)、(?)数(Shu)控(Kong)镗(Tang)床(Chuang)、(?)加(Jia)工(Gong)中(Zhong)心(Xin)等(Deng))(?)。(?)
工(Gong)序(Xu)集(Ji)中(Zhong)
数(Shu)控(Kong)机(Ji)床(Chuang)一(Yi)般(Ban)带(Dai)有(You)可(Ke)以(Yi)自(Zi)动(Dong)换(Huan)刀(Dao)的(De)刀(Dao)架(Jia)、(?)刀(Dao)库(Ku),(?)换(Huan)刀(Dao)过(Guo)程(Cheng)由(You)程(Cheng)序(Xu)控(Kong)制(Zhi)自(Zi)动(Dong)进(Jin)行(Xing),(?)因(Yin)此(Ci),(?)工(Gong)序(Xu)比(Bi)较(Jiao)集(Ji)中(Zhong)。(?)工(Gong)序(Xu)集(Ji)中(Zhong)带(Dai)来(Lai)巨(Ju)大(Da)的(De)经(Jing)济(Ji)效(Xiao)益(Yi):(?)
⑴(?)减(Jian)少(Shao)机(Ji)床(Chuang)占(Zhan)地(Di)面(Mian)积(Ji),(?)节(Jie)约(Yue)厂(Chang)房(Fang)。(?)
⑵(?)减(Jian)少(Shao)或(Huo)没(Mei)有(You)中(Zhong)间(Jian)环(Huan)节(Jie)((?)如(Ru)半(Ban)成(Cheng)品(Pin)的(De)中(Zhong)间(Jian)检(Jian)测(Ce)、(?)暂(Zan)存(Cun)搬(Ban)运(Yun)等(Deng))(?),(?)既(Ji)省(Sheng)时(Shi)间(Jian)又(You)省(Sheng)人(Ren)力(Li)。(?)
自(Zi)动(Dong)化(Hua)
数(Shu)控(Kong)机(Ji)床(Chuang)加(Jia)工(Gong)时(Shi),(?)不(Bu)需(Xu)人(Ren)工(Gong)控(Kong)制(Zhi)刀(Dao)具(Ju),(?)自(Zi)动(Dong)化(Hua)程(Cheng)度(Du)高(Gao)。(?)带(Dai)来(Lai)的(De)好(Hao)处(Chu)很(Hen)明(Ming)显(Xian)。(?)
⑴(?)对(Dui)操(Cao)作(Zuo)工(Gong)人(Ren)的(De)要(Yao)求(Qiu)降(Jiang)低(Di):(?)
一(Yi)个(Ge)普(Pu)通(Tong)机(Ji)床(Chuang)的(De)高(Gao)级(Ji)工(Gong),(?)不(Bu)是(Shi)短(Duan)时(Shi)间(Jian)内(Nei)可(Ke)以(Yi)培(Pei)养(Yang)的(De),(?)而(?)一(Yi)个(Ge)不(Bu)需(Xu)编(Bian)程(Cheng)的(De)数(Shu)控(Kong)工(Gong)培(Pei)养(Yang)时(Shi)间(Jian)极(Ji)短(Duan)((?)如(Ru)数(Shu)控(Kong)车(Che)工(Gong)需(Xu)要(Yao)一(Yi)周(Zhou)即(Ji)可(Ke),(?)还(Huan)会(Hui)编(Bian)写(Xie)简(Jian)单(Dan)的(De)加(Jia)工(Gong)程(Cheng)序(Xu))(?)。(?)并(Bing)且(Qie),(?)数(Shu)控(Kong)工(Gong)在(Zai)数(Shu)控(Kong)机(Ji)床(Chuang)上(Shang)加(Jia)工(Gong)出(Chu)的(De)零(Ling)件(Jian)比(Bi)普(Pu)通(Tong)工(Gong)在(Zai)传(Chuan)统(Tong)机(Ji)床(Chuang)上(Shang)加(Jia)工(Gong)的(De)零(Ling)件(Jian)精(Jing)度(Du)要(Yao)高(Gao),(?)时(Shi)间(Jian)要(Yao)省(Sheng)。(?)⑵(?)降(Jiang)低(Di)了(Liao)工(Gong)人(Ren)的(De)劳(Lao)动(Dong)强(Qiang)度(Du):(?)数(Shu)控(Kong)工(Gong)人(Ren)在(Zai)加(Jia)工(Gong)过(Guo)程(Cheng)中(Zhong),(?)大(Da)部(Bu)分(Fen)时(Shi)间(Jian)被(Bei)排(Pai)斥(Chi)在(Zai)加(Jia)工(Gong)过(Guo)程(Cheng)之(Zhi)外(Wai),(?)非(Fei)常(Chang)省(Sheng)力(Li)。(?)
⑶(?)产(Chan)品(Pin)质(Zhi)量(Liang)稳(Wen)定(Ding):(?)数(Shu)控(Kong)机(Ji)床(Chuang)的(De)加(Jia)工(Gong)自(Zi)动(Dong)化(Hua),(?)免(Mian)除(Chu)了(Liao)普(Pu)通(Tong)机(Ji)床(Chuang)上(Shang)工(Gong)人(Ren)的(De)疲(Pi)劳(Lao)、(?)粗(Cu)心(Xin)、(?)估(Gu)计(Ji)等(Deng)人(Ren)为(Wei)误(Wu)差(Cha),(?)提(Ti)高(Gao)了(Liao)产(Chan)品(Pin)的(De)一(Yi)致(Zhi)性(Xing)。(?)
⑷(?)加(Jia)工(Gong)效(Xiao)率(Lu)高(Gao):(?)数(Shu)控(Kong)机(Ji)床(Chuang)的(De)自(Zi)动(Dong)换(Huan)刀(Dao)等(Deng)使(Shi)加(Jia)工(Gong)过(Guo)程(Cheng)紧(Jin)凑(?),(?)提(Ti)高(Gao)了(Liao)劳(Lao)动(Dong)生(Sheng)产(Chan)率(Lu)。(?)
柔(Rou)性(Xing)化(Hua)高(Gao)
传(Chuan)统(Tong)的(De)通(Tong)用(Yong)机(Ji)床(Chuang),(?)虽(Sui)然(Ran)柔(Rou)性(Xing)好(Hao),(?)但(Dan)效(Xiao)率(Lu)低(Di)下(Xia);(?)而(?)传(Chuan)统(Tong)的(De)专(Zhuan)机(Ji),(?)虽(Sui)然(Ran)效(Xiao)率(Lu)很(Hen)高(Gao),(?)但(Dan)对(Dui)零(Ling)件(Jian)的(De)适(Shi)应(Ying)性(Xing)很(Hen)差(Cha),(?)刚(Gang)性(Xing)大(Da),(?)柔(Rou)性(Xing)差(Cha),(?)很(Hen)难(Nan)适(Shi)应(Ying)市(Shi)场(Chang)经(Jing)济(Ji)下(Xia)的(De)激(Ji)烈(Lie)竞(Jing)争(Zheng)带(Dai)来(Lai)的(De)产(Chan)品(Pin)频(Pin)繁(Fan)改(Gai)型(Xing)。(?)只(Zhi)要(Yao)改(Gai)变(Bian)程(Cheng)序(Xu),(?)就(Jiu)可(Ke)以(Yi)在(Zai)数(Shu)控(Kong)机(Ji)床(Chuang)上(Shang)加(Jia)工(Gong)新(Xin)的(De)零(Ling)件(Jian),(?)且(Qie)又(You)能(Neng)自(Zi)动(Dong)化(Hua)操(Cao)作(Zuo),(?)柔(Rou)性(Xing)好(Hao),(?)效(Xiao)率(Lu)高(Gao),(?)因(Yin)此(Ci)数(Shu)控(Kong)机(Ji)床(Chuang)能(Neng)很(Hen)好(Hao)适(Shi)应(Ying)市(Shi)场(Chang)竞(Jing)争(Zheng)。(?)
能(Neng)力(Li)强(Qiang)
机(Ji)床(Chuang)能(Neng)精(Jing)确(Que)加(Jia)工(Gong)各(Ge)种(Zhong)轮(Lun)廓(Kuo),(?)而(?)有(You)些(Xie)轮(Lun)廓(Kuo)在(Zai)普(Pu)通(Tong)机(Ji)床(Chuang)上(Shang)无(Wu)法(Fa)加(Jia)工(Gong)。(?)数(Shu)控(Kong)机(Ji)床(Chuang)特(Te)别(Bie)适(Shi)合(He)以(Yi)下(Xia)场(Chang)合(He):(?)
1、(?)不(Bu)许(Xu)报(Bao)废(Fei)的(De)零(Ling)件(Jian)。(?)
2、(?)新(Xin)产(Chan)品(Pin)研(Yan)制(Zhi)。(?)
3、(?)急(Ji)需(Xu)件(Jian)的(De)加(Jia)工(Gong)。(?)
相(Xiang)关(Guan)视(Shi)频(Pin):(?)日(Ri)本(Ben)的(De)数(Shu)控(Kong)加(Jia)工(Gong)技(Ji)术(Shu)
((?)来(Lai)源(Yuan):(?)腾(Teng)讯(Xun)视(Shi)频(Pin))(?)
国(Guo)外(Wai)数(Shu)控(Kong)机(Ji)床(Chuang)加(Jia)工(Gong)复(Fu)杂(Za)工(Gong)件(Jian):(?)
((?)来(Lai)源(Yuan):(?)腾(Teng)讯(Xun)视(Shi)频(Pin))(?)
热(Re)门(Men)新(Xin)闻(Wen)
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