"Ka'idodin Zaɓuɓɓuka na Abubuwa Uku a cikin Yankan Kayan Aikin CNC".
A cikin aikin yankan ƙarfe, daidai da zaɓin abubuwa uku na yankan kayan aikin injin CNC - saurin yankan, ƙimar ciyarwa, da zurfin yankan yana da mahimmancin mahimmanci. Wannan shine ɗayan mahimman abubuwan da ke cikin kwas ɗin ƙa'idar yanke ƙarfe. Mai zuwa shine cikakken bayani game da ƙa'idodin zaɓin waɗannan abubuwa uku.
I. Yanke Gudun
Gudun yankewa, wato, saurin layi ko saurin kewaye (V, mita/minti), yana ɗaya daga cikin mahimman sigogi a cikin yankan kayan aikin CNC. Don zaɓar saurin yankan da ya dace, ya kamata a fara la'akari da abubuwa da yawa.
Gudun yankewa, wato, saurin layi ko saurin kewaye (V, mita/minti), yana ɗaya daga cikin mahimman sigogi a cikin yankan kayan aikin CNC. Don zaɓar saurin yankan da ya dace, ya kamata a fara la'akari da abubuwa da yawa.
Kayan kayan aiki
Carbide: Saboda tsananin taurinsa da kyakkyawan juriya na zafi, ana iya samun saurin yankewa mai inganci. Gabaɗaya, yana iya zama sama da mita 100/minti. Lokacin siyan abubuwan da aka saka, yawanci ana ba da sigogin fasaha don fayyace kewayon saurin layin da za a iya zaɓa yayin sarrafa kayan daban-daban.
Ƙarfe mai sauri: Idan aka kwatanta da carbide, aikin ƙarfe mai sauri yana da ƙasa kaɗan, kuma saurin yanke zai iya zama ƙananan ƙananan. A mafi yawan lokuta, saurin yanke na ƙarfe mai sauri ba ya wuce mita 70 / minti, kuma yana ƙasa da mita 20 - 30 / minti.
Carbide: Saboda tsananin taurinsa da kyakkyawan juriya na zafi, ana iya samun saurin yankewa mai inganci. Gabaɗaya, yana iya zama sama da mita 100/minti. Lokacin siyan abubuwan da aka saka, yawanci ana ba da sigogin fasaha don fayyace kewayon saurin layin da za a iya zaɓa yayin sarrafa kayan daban-daban.
Ƙarfe mai sauri: Idan aka kwatanta da carbide, aikin ƙarfe mai sauri yana da ƙasa kaɗan, kuma saurin yanke zai iya zama ƙananan ƙananan. A mafi yawan lokuta, saurin yanke na ƙarfe mai sauri ba ya wuce mita 70 / minti, kuma yana ƙasa da mita 20 - 30 / minti.
Kayan aiki
Domin workpiece kayan da high taurin, da yankan gudun ya zama low. Misali, don quenched karfe, bakin karfe, da dai sauransu, don tabbatar da rayuwar kayan aiki da ingancin aiki, V ya kamata a saita ƙasa.
Don kayan simintin ƙarfe, lokacin amfani da kayan aikin carbide, saurin yanke zai iya zama mita 70 - 80 / minti.
Ƙananan ƙarfe na carbon yana da mafi kyawun injina, kuma saurin yanke zai iya zama sama da mita 100 / minti.
Yanke sarrafa karafa da ba na ƙarfe ba yana da sauƙin sauƙi, kuma ana iya zaɓar mafi girman saurin yanke, gabaɗaya tsakanin mita 100 – 200 / minti.
Domin workpiece kayan da high taurin, da yankan gudun ya zama low. Misali, don quenched karfe, bakin karfe, da dai sauransu, don tabbatar da rayuwar kayan aiki da ingancin aiki, V ya kamata a saita ƙasa.
Don kayan simintin ƙarfe, lokacin amfani da kayan aikin carbide, saurin yanke zai iya zama mita 70 - 80 / minti.
Ƙananan ƙarfe na carbon yana da mafi kyawun injina, kuma saurin yanke zai iya zama sama da mita 100 / minti.
Yanke sarrafa karafa da ba na ƙarfe ba yana da sauƙin sauƙi, kuma ana iya zaɓar mafi girman saurin yanke, gabaɗaya tsakanin mita 100 – 200 / minti.
Yanayin sarrafawa
A lokacin m machining, babban manufar shi ne da sauri cire kayan, da kuma abin da ake bukata don ingancin surface ne in mun gwada da low. Saboda haka, an saita saurin yankan ƙasa. A lokacin gama machining, domin samun mai kyau surface quality, da yankan gudun ya kamata a saita mafi girma.
Lokacin da rigidity tsarin na'ura kayan aiki, workpiece, da kayan aiki ne matalauta, da yankan gudun ya kamata kuma a saita kasa don rage vibration da nakasawa.
Idan S da aka yi amfani da shi a cikin shirin CNC shine saurin spindle a minti daya, to S ya kamata a lissafta bisa ga diamita na workpiece da yankan saurin madaidaiciya V: S (gudun juzu'i a cikin minti daya) = V (yanke saurin madaidaiciya) × 1000 / (3.1416 × diamita). Idan shirin CNC yana amfani da saurin mizani akai-akai, to S zai iya amfani da saurin yankan madaidaiciyar V (mita/minti).
A lokacin m machining, babban manufar shi ne da sauri cire kayan, da kuma abin da ake bukata don ingancin surface ne in mun gwada da low. Saboda haka, an saita saurin yankan ƙasa. A lokacin gama machining, domin samun mai kyau surface quality, da yankan gudun ya kamata a saita mafi girma.
Lokacin da rigidity tsarin na'ura kayan aiki, workpiece, da kayan aiki ne matalauta, da yankan gudun ya kamata kuma a saita kasa don rage vibration da nakasawa.
Idan S da aka yi amfani da shi a cikin shirin CNC shine saurin spindle a minti daya, to S ya kamata a lissafta bisa ga diamita na workpiece da yankan saurin madaidaiciya V: S (gudun juzu'i a cikin minti daya) = V (yanke saurin madaidaiciya) × 1000 / (3.1416 × diamita). Idan shirin CNC yana amfani da saurin mizani akai-akai, to S zai iya amfani da saurin yankan madaidaiciyar V (mita/minti).
II. Yawan ciyarwa
Adadin ciyarwa, wanda kuma aka sani da ƙimar ciyarwar kayan aiki (F), galibi ya dogara ne da ƙaƙƙarfan yanayin da ake buƙata na sarrafa kayan aikin.
Adadin ciyarwa, wanda kuma aka sani da ƙimar ciyarwar kayan aiki (F), galibi ya dogara ne da ƙaƙƙarfan yanayin da ake buƙata na sarrafa kayan aikin.
Kammala machining
A lokacin gama machining, saboda babban abin da ake bukata don ingancin saman, adadin ciyarwa ya kamata ya zama ƙanana, gabaɗaya 0.06 - 0.12 mm / juyin juya halin spindle. Wannan na iya tabbatar da ƙwanƙwaran injin da aka kera kuma ya rage ƙarancin ƙasa.
A lokacin gama machining, saboda babban abin da ake bukata don ingancin saman, adadin ciyarwa ya kamata ya zama ƙanana, gabaɗaya 0.06 - 0.12 mm / juyin juya halin spindle. Wannan na iya tabbatar da ƙwanƙwaran injin da aka kera kuma ya rage ƙarancin ƙasa.
M machining
A lokacin m machining, babban aiki shi ne da sauri cire babban adadin abu, kuma za a iya saita yawan ciyarwa girma. Girman adadin ciyarwar ya dogara ne akan ƙarfin kayan aiki kuma gabaɗaya na iya zama sama da 0.3.
Lokacin da babban kusurwar taimako na kayan aiki yana da girma, ƙarfin kayan aiki zai lalace, kuma a wannan lokacin, ƙimar ciyarwa ba zai iya zama babba ba.
Bugu da kari, ya kamata a yi la'akari da ikon kayan aikin injin da tsaurin aikin da kayan aiki. Idan ƙarfin kayan aikin injin bai isa ba ko rigidity na kayan aiki da kayan aiki ba su da kyau, ƙimar ciyarwar ya kamata kuma a rage yadda ya kamata.
Shirin CNC yana amfani da raka'a biyu na ƙimar ciyarwa: mm/minti da mm/juyin juyayi na sandal. Idan aka yi amfani da naúrar mm/minti, ana iya jujjuya shi ta hanyar dabara: ciyarwa a minti daya = ciyar da kowane juyin juya hali × saurin spindle a minti daya.
A lokacin m machining, babban aiki shi ne da sauri cire babban adadin abu, kuma za a iya saita yawan ciyarwa girma. Girman adadin ciyarwar ya dogara ne akan ƙarfin kayan aiki kuma gabaɗaya na iya zama sama da 0.3.
Lokacin da babban kusurwar taimako na kayan aiki yana da girma, ƙarfin kayan aiki zai lalace, kuma a wannan lokacin, ƙimar ciyarwa ba zai iya zama babba ba.
Bugu da kari, ya kamata a yi la'akari da ikon kayan aikin injin da tsaurin aikin da kayan aiki. Idan ƙarfin kayan aikin injin bai isa ba ko rigidity na kayan aiki da kayan aiki ba su da kyau, ƙimar ciyarwar ya kamata kuma a rage yadda ya kamata.
Shirin CNC yana amfani da raka'a biyu na ƙimar ciyarwa: mm/minti da mm/juyin juyayi na sandal. Idan aka yi amfani da naúrar mm/minti, ana iya jujjuya shi ta hanyar dabara: ciyarwa a minti daya = ciyar da kowane juyin juya hali × saurin spindle a minti daya.
III. Yanke Zurfin
Zurfin yankan, wato, yanke zurfin, yana da zaɓi daban-daban yayin aikin gamawa da mashin ɗin ƙira.
Zurfin yankan, wato, yanke zurfin, yana da zaɓi daban-daban yayin aikin gamawa da mashin ɗin ƙira.
Kammala machining
Lokacin gama mashin ɗin, gabaɗaya, yana iya zama ƙasa da 0.5 (ƙimar radius). Ƙananan zurfin yankan zai iya tabbatar da ingancin injin da aka yi amfani da shi kuma ya rage rashin ƙarfi da damuwa.
Lokacin gama mashin ɗin, gabaɗaya, yana iya zama ƙasa da 0.5 (ƙimar radius). Ƙananan zurfin yankan zai iya tabbatar da ingancin injin da aka yi amfani da shi kuma ya rage rashin ƙarfi da damuwa.
M machining
A lokacin m machining, da yankan zurfin ya kamata a ƙaddara bisa ga workpiece, kayan aiki, da inji kayan aiki yanayin. Don ƙaramin lathe (tare da matsakaicin matsakaicin diamita na ƙasa da 400mm) juya No. 45 karfe a cikin yanayin daidaitawa, zurfin yankan a cikin jagorar radial gabaɗaya baya wuce 5mm.
Ya kamata a lura cewa idan canjin saurin spindle na lathe yana amfani da ƙa'idodin saurin juzu'i na yau da kullun, to lokacin da saurin juzu'i a cikin minti yayi ƙasa da ƙasa (ƙasa da juyi na 100 - 200 / minti), ƙarfin fitarwar injin zai ragu sosai. A wannan lokacin, ƙananan zurfin yankan kawai da ƙimar abinci za a iya samu.
A lokacin m machining, da yankan zurfin ya kamata a ƙaddara bisa ga workpiece, kayan aiki, da inji kayan aiki yanayin. Don ƙaramin lathe (tare da matsakaicin matsakaicin diamita na ƙasa da 400mm) juya No. 45 karfe a cikin yanayin daidaitawa, zurfin yankan a cikin jagorar radial gabaɗaya baya wuce 5mm.
Ya kamata a lura cewa idan canjin saurin spindle na lathe yana amfani da ƙa'idodin saurin juzu'i na yau da kullun, to lokacin da saurin juzu'i a cikin minti yayi ƙasa da ƙasa (ƙasa da juyi na 100 - 200 / minti), ƙarfin fitarwar injin zai ragu sosai. A wannan lokacin, ƙananan zurfin yankan kawai da ƙimar abinci za a iya samu.
A ƙarshe, daidai zaɓin abubuwa uku na yankan kayan aikin injin CNC yana buƙatar cikakken la'akari da abubuwa masu yawa kamar kayan aikin kayan aiki, kayan aiki, da yanayin sarrafawa. A cikin ainihin aiki, ya kamata a yi gyare-gyare masu dacewa bisa ga takamaiman yanayi don cimma manufar inganta aikin sarrafawa, tabbatar da ingancin sarrafawa, da tsawaita rayuwar kayan aiki. A lokaci guda kuma, masu aiki ya kamata su ci gaba da tara gogewa kuma su saba da halayen kayan aiki daban-daban da fasahar sarrafa kayan aiki don mafi kyawun zaɓin sigogi da haɓaka aikin sarrafa kayan injin CNC.