By hada karshen-fuskar tsagi abun yanka tare da gada m abun yanka jiki, na musamman kayan aiki ga karshen-fuskar tsagi an tsara da kerarre don maye gurbin karshen milling abun yanka, da kuma karshen-fuskar tsagi na manyan tsarin sassa ana sarrafa ta m maimakon m maimakon. niƙa a kan CNC mai ban sha'awa mai ban sha'awa da cibiyar injin niƙa.
Bayan ingantaccen tsari, ƙarshen aikin tsagi na ƙarshen yana raguwa sosai, wanda ke ba da ingantacciyar hanyar sarrafawa don sarrafa ƙarshen fuskar bangon manyan sassa na tsarin akan cibiyar mashin ɗin m da milling.
01 Gabatarwa
A cikin manyan kayan aikin injiniyoyi (duba Hoto 1), abu ne na gama-gari don nemo ramukan fuska a cikin akwatin. Misali, tsagi na ƙarshen fuska wanda aka nuna a cikin “Ⅰ faɗaɗawa” a cikin sashin GG na Hoto 1 yana da takamaiman girma: diamita na ciki na 350mm, diamita na waje na 365mm, faɗin tsagi na 7.5mm, da zurfin tsagi. 4.6mm.
Ganin mahimmancin rawar ƙarshen fuskar bango a cikin hatimi da sauran ayyukan injiniya, yana da mahimmanci don cimma babban aiki da daidaiton matsayi [1]. Sabili da haka, bayan-weld aiki na sassan tsarin ya zama dole don tabbatar da cewa tsagi na ƙarshen fuska ya dace da girman bukatun da aka tsara a cikin zane.
Ƙarshen fuskar bangon bangon kayan aiki mai jujjuya ana sarrafa shi ta amfani da lathe tare da abin yanke tsagi na ƙarshen fuska. Wannan hanya tana da inganci ga mafi yawan lokuta.
Koyaya, don manyan sassa na tsari tare da sifofi masu rikitarwa, ba zai yuwu a yi amfani da lathe ba. A irin waɗannan lokuta, ana amfani da cibiyar injina mai ban sha'awa da niƙa don aiwatar da tsagi na ƙarshen fuska.
Fasahar sarrafa kayan aikin a cikin Hoto 1 an inganta su kuma an inganta su ta hanyar amfani da m maimakon niƙa, yana haifar da ingantaccen ingantaccen sarrafa tsagi na ƙarshen fuska.
02 Haɓaka fasahar sarrafa tsagi ta gaba
Kayan sashin tsarin da aka kwatanta a hoto na 1 shine SSiMn2H. Ƙarshen kayan aikin gyaran fuska na ƙarshe da aka yi amfani da shi shine CNC mai ban sha'awa mai ban sha'awa mai ban sha'awa da cibiyar injin niƙa tare da Siemens 840D sl tsarin aiki. Kayan aikin da ake amfani da shi shine niƙa ƙarshen φ6mm, kuma hanyar sanyaya da ake amfani da ita shine sanyaya hazo mai.
Dabarar sarrafa tsagi na ƙarshen fuska: Tsarin ya ƙunshi yin amfani da injin ƙarshen ƙarshen φ6mm don karkace interpolation milling (koma zuwa Hoto 2). Da farko, ana yin niƙa mai ɗanɗano don cimma zurfin rami na 2mm, sannan a kai zurfin rami na 4mm, barin 0.6mm don niƙa mai kyau na tsagi. An yi dalla-dalla dalla-dalla shirin milling ɗin a cikin Tebura 1. Ana iya samun kyakkyawan niƙa ta hanyar daidaita ma'auni na yanke da kuma daidaita dabi'u na karkace a cikin shirin. A yankan sigogi don m milling da lafiyaCNC milling daidaician zayyana a cikin Table 2.
Hoto 2 Ƙare niƙa tare da karkace tsaka-tsaki don yanke tsagi na ƙarshen fuska
Tebura 2 Yanke sigogi don niƙa ramin fuska
Dangane da fasaha da hanyoyin sarrafawa, ana amfani da injin ƙarshen φ6mm don niƙa ramin fuska mai faɗin 7.5mm. Yana ɗaukar juyi 6 na tsaka-tsaki na karkace don niƙa mai kauri da juyi 3 don niƙa mai kyau. Niƙa mai kauri tare da babban diamita yana ɗaukar kusan mintuna 19 a kowane bi da bi, yayin da niƙa mai kyau yana ɗaukar kusan mintuna 14 a kowane juyi. Jimlar lokacin duka biyun m da kuma niƙa mai kyau kusan mintuna 156 ne. Haɓakar karkatar da ramin niƙa ya yi ƙasa kaɗan, yana nuna buƙatar haɓaka tsari da haɓakawa.
03 Haɓaka fasahar sarrafa tsagi na ƙarshen fuska
Tsarin sarrafa tsagi na ƙarshen fuska a kan lathe ya haɗa da jujjuyawar aikin aikin yayin da abin yankan ƙarshen fuskar yana yin ciyar da axial. Da zarar an kai ƙayyadadden zurfin rami, ciyarwar radial tana faɗaɗa tsagi na ƙarshen fuska.
Don sarrafa tsagi na ƙarshen-fuskar a kan cibiyar mashin mai ban sha'awa da milling, ana iya tsara kayan aiki na musamman ta hanyar haɗa mai yanke tsagi na ƙarshen-fuskar da jikin gada mai ban sha'awa. A wannan yanayin, aikin aikin ya kasance a tsaye yayin da kayan aiki na musamman ke juyawa kuma yana aiwatar da ciyarwar axial don kammala aikin tsagi na ƙarshen fuska. Ana kiran wannan hanyar azaman sarrafa tsagi mai ban sha'awa.
Hoto na 3 Ƙarshen abin yankan fuska
Hoto 4 Tsarin tsari na ƙa'idar aikin injin ƙarshen fuska a kan lathe
Madaidaicin sassan injin da aka sarrafa ta hanyar injin daskarewa a cikin CNC masu ban sha'awa da cibiyoyin injin niƙa na iya kaiwa ga matakan IT7 da IT6 gabaɗaya. Bugu da ƙari, sabbin igiyoyin tsagi suna da tsarin kusurwa na musamman na baya kuma suna da kaifi, wanda ke rage juriya da girgiza. Chips ɗin da aka samar yayin sarrafawa na iya tashi da sauri daga wurininji kayayyakinsurface, haifar da mafi girma ingancin surface.
Ana iya sarrafa ingancin farfajiyar rami mai niƙa ta hanyar daidaita sigogi daban-daban kamar saurin ciyarwa da sauri. Madaidaicin tsagi na ƙarshen da aka sarrafa ta cibiyar mashin ɗin ta amfani da mai yanke tsagi na musamman na iya saduwa da ainihin buƙatun zane.
3.1 Zane na kayan aiki na musamman don sarrafa tsagi na fuska
Zane a cikin hoto na 5 yana kwatanta kayan aiki na musamman don sarrafa ramukan fuska, kama da kayan aikin gada mai ban sha'awa. Kayan aikin ya ƙunshi jikin kayan aikin gada mai ban sha'awa, faifai, da madaidaicin kayan aiki. Mai riƙe kayan aiki mara daidaituwa ya ƙunshi mai riƙe kayan aiki, mai riƙe da kayan aiki, da igiya mai tsagi.
Jikin kayan aiki mai ban sha'awa ga gada da faifan kayan aiki daidaitattun kayan aikin kayan aiki ne, kuma kawai mai riƙe kayan aikin da ba daidai ba, kamar yadda aka nuna a hoto na 6, yana buƙatar tsarawa. Zaɓi samfurin tsintsiya mai dacewa, ɗaga igiya mai tsagi a kan mai riƙe kayan aikin tsagi na fuska, haɗa mariƙin kayan aiki mara daidaituwa zuwa madaidaicin, kuma daidaita diamita na kayan aikin tsagi na fuska ta hanyar motsa madaidaicin.
Hoto 5 Tsarin kayan aiki na musamman don sarrafa tsagi na ƙarshen fuska
3.2 Machining ƙarshen fuska tsagi ta amfani da kayan aiki na musamman
Kayan aiki na musamman don machining ƙarshen tsagi na fuska yana nunawa a cikin Hoto 7. Yi amfani da kayan aiki na kayan aiki don daidaita kayan aiki zuwa diamita mai dacewa ta hanyar motsi mai zazzagewa. Yi rikodin tsawon kayan aiki kuma shigar da diamita na kayan aiki da tsayi a cikin tebur mai dacewa akan panel na inji. Bayan gwada aikin aikin da kuma tabbatar da ma'auni daidai ne, yi amfani da tsari mai ban sha'awa bisa ga shirin mashin ɗin a cikin Table 3 (koma zuwa Hoto 8).
Shirin CNC yana sarrafa zurfin tsagi, kuma za'a iya kammala aikin machining na ƙarshen fuska a cikin wani m. Bayan m machining, auna girman tsagi da lafiya-niƙa tsagi ta daidaitawa yankan da kafaffen sigogi na sake zagayowar. An ba da cikakken bayani game da ma'auni na yanke don ƙarshen fuska tsagi m machining a cikin Table 4. Ƙarshen lokacin mashin gyaran fuska yana kusan minti 2.
Hoto 7 Kayan aiki na musamman don sarrafa tsagi na ƙarshen fuska
Table 3 Ƙarshen fuska tsagi m tsari
Hoto 8 Ƙarshen fuska tsagi mai ban sha'awa
Tebur 4 Yankan sigogi don ramin ƙarshen fuska
3.3 Tasirin aiwatarwa bayan ingantaccen tsari
Bayan ingantawa daCNC masana'antu tsari, da m aiki tabbaci na karshen fuskar tsagi na 5 workpieces aka za'ayi ci gaba. Binciken kayan aikin ya nuna cewa daidaiton aikin gyaran fuska na ƙarshen ya cika buƙatun ƙira, kuma ƙimar wucewar dubawa ta kasance 100%.
Ana nuna bayanan ma'auni a cikin Teburin 5. Bayan dogon lokaci na sarrafa tsari da kuma tabbatar da ingancin akwatin 20 na ƙarshen fuska, an tabbatar da cewa daidaiton tsagi na ƙarshen da aka sarrafa ta wannan hanyar ya dace da bukatun zane.
Ana amfani da kayan aiki na musamman na kayan aiki don tsagi na ƙarshen fuska don maye gurbin haɗin gwiwa na ƙarshe don inganta ƙarfin kayan aiki da rage girman lokacin yankewa. Bayan ingantaccen tsari, lokacin da ake buƙata don sarrafa tsagi na ƙarshen fuska yana raguwa da 98.7% idan aka kwatanta da kafin ingantawa, yana haifar da ingantaccen ingantaccen aiki.
Za'a iya maye gurbin ɓangarorin wannan kayan aiki lokacin da ya ƙare. Yana da ƙananan farashi da kuma tsawon rayuwar sabis idan aka kwatanta da na'ura mai mahimmanci. Kwarewar aiki ta nuna cewa hanyar sarrafa tsagi na ƙarshen fuska ana iya haɓakawa da kuma ɗauka.
04 KARSHE
An haɗa kayan aikin yankan tsagi na ƙarshen-fuskar da gada mai guntun gada don ƙira da kera kayan aiki na musamman don sarrafa tsagi na ƙarshen fuska. Manyan sassa na tsarin 'karshen-fuskar tsagi ana sarrafa su ta hanyar m a kan CNC m da milling machining cibiyar.
Wannan hanyar tana da ƙima kuma mai tsada, tare da diamita na kayan aiki mai daidaitacce, babban haɓakawa a cikin sarrafa tsagi na ƙarshen fuska, da kyakkyawan aikin sarrafawa. Bayan ɗimbin ayyukan samarwa, wannan fasahar sarrafa tsagi ta ƙarshen fuska ta tabbatar da cewa tana da mahimmanci kuma tana iya zama abin nuni ga sassa daban-daban na sassan sassa na ƙarshen fuska masu sarrafa kan cibiyoyi masu ban sha'awa da niƙa.
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