
在目前的數控車床中,螺紋切削一般有三種加工方法:G32直進式切削方法、G92直進式切削方法和G76xiejinshiqiexuefangfa,youyuqiexuefangfadebutong,bianchengfangfabutong,zaochengjiagongwuchayebutong。womenzaicaozuoshiyongshangyaozaixifenxi,zhengqujiagongchujingdugaodelingjian。
1、G32zhijinshiqiexuefangfa,youyuliangcerentongshigongzuo,qiexuelijiaoda,erqiepaixuekunnan,yincizaiqiexueshi,liangqiexuerenrongyimosun。zaiqiexueluojujiaodadeluowenshi,youyuqiexueshendujiaoda,daorenmosunjiaokuai,congerzaochengluowenzhongjingchanshengwucha;但是其加工的牙形精度較高,因此一般多用於小螺距螺紋加工。由於其刀具移動切削均靠編程來完成,所以加工程序較長;由於刀刃容易磨損,因此加工中要做到勤測量。
2、G92直進式切削方法簡化了編程,較G32指令提高了效率。
3、G76xiejinshiqiexuefangfa,youyuweidancerenjiagong,jiagongdaorenrongyisunshanghemosun,shijiagongdeluowenmianbuzhi,daojianjiaofashengbianhua,erzaochengyaxingjingdujiaocha。danyouyuqiweidancerengongzuo,daojufuzaijiaoxiao,paixierongyi,bingqieqiexueshenduweidijianshi。yinci,cijiagongfangfayibanshiyongyudaluojuluowenjiagong。youyucijiagongfangfapaixierongyi,daorenjiagonggongkuangjiaohao,zailuowenjingduyaoqiubugaodeqingkuangxia,cijiagongfangfagengweifangbian。zaijiagongjiaogaojingduluowenshi,kecaiyongliangdaojiagongwancheng,jixianyongG76加工方法進行粗車,然後用G32加工方法精車。但要注意刀具起始點要準確,不然容易亂扣,造成零件報廢。
4、螺luo紋wen加jia工gong完wan成cheng後hou可ke以yi通tong過guo觀guan察cha螺luo紋wen牙ya型xing判pan斷duan螺luo紋wen質zhi量liang及ji時shi采cai取qu措cuo施shi,當dang螺luo紋wen牙ya頂ding未wei尖jian時shi,增zeng加jia刀dao的de切qie入ru量liang反fan而er會hui使shi螺luo紋wen大da徑jing增zeng大da,增zeng大da量liang視shi材cai料liao塑su性xing而er定ding,當dang牙ya頂ding已yi被bei削xue尖jian時shi增zeng加jia刀dao的de切qie入ru量liang則ze大da徑jing成cheng比bi例li減jian小xiao,根gen據ju這zhe一yi特te點dian要yao正zheng確que對dui待dai螺luo紋wen的de切qie入ru量liang,防fang止zhi報bao廢fei。