Tufafin Lu'u-lu'u Single Point hanya ce ta gama gari don tufatar da dabaran niƙa mai ƙarfi.Wannan hanyar sutura takan haifar da rashin kwanciyar hankaliniƙaaikin dabaran, don haka ya kamata a daidaita hanyar sutura da hanya daidai.A lokacin da nika da workpiece, da hankula Hanyar ne: m nika wani machining izinin tare da nika dabaran, sa'an nan canza miya sigogi, sa'an nan lafiya nika da workpiece.
Kullum, lokacinm nika dabaran trimming, lu'u-lu'u ne da sauri giciye ciyar tare da m da'irar na nika dabaran, yayin da a lokacin lafiya trimming, giciye feed gudun na corrector ne ƙwarai rage don samun santsi nika surface da workpiece surface.Hanyar gyare-gyare da ake kira "juyawa" ko "ɓangare daban-daban" na iya tabbatar da gyara daidai kuma tsayayye.Misali, dabaran da diamita na 406.4mm, gudun 6000sfm (1828m/min), madaidaicin madaidaicin lu'u-lu'u na baka na 0.254mm don niƙa da tufafi, kuma adadin suturar kowane bugun jini shine 0.025mm.
Gudun ciyarwar giciye da aka saba amfani da ita a cikin gyare-gyare na gabaɗaya yakan yi sauri da yawa, ta yadda ba za a iya gyara wani ɓangare na saman ƙafafun niƙa ba.Za a iya gyara saman dabaran niƙa ta hanyar bugun jini da yawa, amma saman bai dace ba.Irin wannan dabaran niƙa tana da babban aikin niƙa, amma lalacewa da sauri da rashin daidaituwa.Dabarar niƙaTufafin gabaɗaya ana yin shi a saurin niƙa.Iyakar abin da aka keɓance shi ne cewa zazzagewa, tsarawa da datsa ana aiwatar da su a cikin ƙaramin saurin 300 sfm (91.44 m/min).
Za a ƙididdige saurin ciyarwar giciye kuma a ƙayyade bisa ga girman lu'u-lu'u na tufa da buƙatun saman ƙafafun niƙa.Gabaɗaya, ana amfani da laps 2 ~ 3 don m niƙa, kuma ana buƙatar 4 ~ 6 laps don niƙa mai kyau.Ƙididdigar saurin ciyarwar giciye na mai gyara: sanannen radius lu'u-lu'u (XB=0.015"), shigar lu'u-lu'u (0.001"), da saurin niƙa na 1400rpm.Ana ƙididdige nisa CB kamar haka: XB=0.015”, CX=0.015” - 0.001”=0.014”.CB=0.00735, yayin da AB=2CB=0.0147”.
Ta wannan hanyar, ana samun filin ciyarwar lu'u-lu'u a kowane juyi don tabbatar da cewa babu wani ɓangaren da ba a gama ba a saman injin niƙa.An canza shi zuwa saurin ciyarwa AB a minti daya ×1400rpm=20.58ipmIdan dadatsayana buƙatar lapping na biyu, an rage saurin ciyarwa zuwa 10.29ipm.Yana da manufa don m gama.Kyakkyawan kammalawa yana buƙatar sau 4 ~ 6 na lapping, kuma ya kamata a rage saurin ciyarwa daidai.Misali, 5.14ipm shine sau 4 na lapping.
Lokacin aikawa: Janairu-28-2023