Sauran masana'antun takwarorinsu na Anebon sukan fuskanci matsalar nakasar sarrafa kayan aiki yayin sarrafa sassa, wanda aka fi sani da su shine kayan bakin karfe da sassan aluminum masu ƙarancin yawa. Akwai dalilai da yawa don lalata sassan aluminum na al'ada, waɗanda ke da alaƙa da kayan, siffar sashi da yanayin samarwa. Akwai abubuwa da yawa kamar haka: nakasar da ke haifar da damuwa na ciki na sarari, nakasar da ake samu ta hanyar yanke ƙarfi da yanke zafi, da nakasar da ke haifar da matsawa.
1. Tsarin matakai don rage nakasar sarrafawa
1. Rage damuwa na ciki na blank
Za'a iya kawar da damuwa na ciki na blank ta hanyar halitta ko tsufa na wucin gadi da jiyya. Pre-aiki kuma hanya ce mai inganci. Ga wanda babu mai mai kitse kai da manyan kunnuwa, saboda yawan izni, nakasar bayan sarrafa ma tana da girma. Idan an riga an riga an aiwatar da abin da ya wuce gona da iri kuma an rage girman kowane bangare, ba wai kawai nakasar sarrafawa a cikin tsari na gaba ba za a iya ragewa, amma kuma ana iya sakin wani bangare na damuwa na ciki bayan an riga an aiwatar da shi kuma sanya shi. na wani lokaci.
2. Inganta ikon yankan kayan aiki
Kayan aiki da sigogi na geometric na kayan aiki suna da tasiri mai mahimmanci akan ƙarfin yankewa da yanke zafi. Daidaitaccen zaɓi na kayan aiki yana da matukar muhimmanci don rage lalacewar ɓangaren.
3. Inganta hanyar clamping na workpiece
Don bakin ciki-bangocnc machined aluminum workpiecestare da rashin ƙarfi mara kyau, ana iya amfani da waɗannan hanyoyin clamping don rage lalacewa:
① Domin bakin ciki-banga bushing sassa, idan uku-jaw kai tsakiya chuck ko collet da ake amfani da su matsa daga radial shugabanci, da zarar an sake shi bayan aiki, da workpiece ba makawa za a nakasa. A wannan lokacin, ya kamata a yi amfani da hanyar damfara fuskar ƙarshen axial tare da rigidity mafi kyau. Gano wuri tare da rami na ciki na ɓangaren, yi madaidaicin zaren da aka yi da kansa, saka shi a cikin rami na ciki na ɓangaren, danna ƙarshen fuska tare da farantin murfin kuma ƙara shi da goro. Ana iya nisantar nakasar matsawa yayin yin aikin da'irar waje, don samun gamsasshen daidaiton injin.
② Lokacin sarrafa bakin ciki-bango da bakin ciki-farantin workpieces, shi ne mafi kyau a yi amfani da injin tsotsa kofuna don samun a ko'ina rarraba clamping karfi, sa'an nan aiwatar da karamin yankan adadin, wanda zai iya da kyau hana workpiece nakasawa.
Bugu da ƙari, ana iya amfani da hanyar tattarawa. Domin ƙara tsarin rigidity na bakin ciki-bango workpiece, ciki na workpiece za a iya cika da matsakaici don rage nakasawa na workpiece a lokacin clamping da yankan. Misali, zuba urea narke mai dauke da 3% zuwa 6% potassium nitrate a cikin aikin aikin. Bayan sarrafawa, nutsar da kayan aikin a cikin ruwa ko barasa don narkar da abin da aka cika kuma a zuba shi.
4. Shirya tsari a hankali
A lokacin yankan sauri mai sauri, saboda babban izinin injina da kuma yanke tsaka-tsaki, ana yawan yin girgiza yayin aikin niƙa, wanda ke shafar daidaiton mashin ɗin da ƙarancin ƙasa. Saboda haka, da CNC high-gudun yankan tsari za a iya kullum za a iya raba: m machining-Semi-kammala-tsabta machining-kammala da sauran matakai. Don sassan da ke da madaidaicin buƙatun, wani lokacin ya zama dole a yi Semi-Finishing na biyu sannan kuma a gama machining. Bayan m machining, sassan za a iya sanyaya ta halitta don kawar da damuwa na ciki da ake samu ta hanyar m machining da kuma rage nakasawa. Matsakaicin da aka bari bayan m inji ya kamata ya zama mafi girma fiye da adadin nakasawa, gabaɗaya 1 zuwa 2mm. A lokacin da ya gama, saman da ƙãre part ya kamata kula da uniform machining izni, kullum 0.2 ~ 0.5mm ya dace, sabõda haka, da kayan aiki ne a cikin wani barga jihar a lokacin da machining tsari, wanda zai iya ƙwarai rage yankan nakasawa, samun mai kyau surface aiki ingancin. , da kuma tabbatar da ingancin samfurin.
2. Ayyukan aiki don rage nakasar sarrafawa
Milling aluminum sassasun lalace yayin aiki. Baya ga dalilai na sama, a cikin ainihin aiki, hanyar aiki kuma tana da mahimmanci.
1. Don sassan da ke da babban izinin machining, don samun mafi kyawun yanayin zafi a lokacin aiki da kuma guje wa haɗuwa da zafi, ya kamata a yi amfani da tsarin daidaitawa yayin aiki. Idan akwai faranti mai kauri na 90mm wanda ake buƙatar sarrafa shi zuwa 60mm, idan an niƙa gefe ɗaya kuma a yi niƙa ɗaya gefen nan da nan, kuma ana sarrafa girman ƙarshe a lokaci ɗaya, lebur ɗin zai kai 5mm; idan aka yi amfani da maimaita tsarin daidaitawa, kowane gefe ana sarrafa shi sau biyu zuwa Girman ƙarshe na iya ba da tabbacin fa'ida na 0.3mm.
2. Idan akwai ramuka da yawa akan ɓangaren farantin, bai dace a yi amfani da tsarin sarrafa tsari na rami ɗaya da rami ɗaya yayin sarrafawa ba, wanda zai haifar da lalacewa cikin sauƙi saboda rashin daidaituwar ƙarfi. Ana ɗaukar nau'i-nau'i masu yawa, kuma kowane Layer ana sarrafa shi zuwa dukkan cavities a lokaci guda kamar yadda zai yiwu, sa'an nan kuma ana sarrafa Layer na gaba don sanya sassan su daidaita da kuma rage lalacewa.
3. Rage yanke ƙarfi da yanke zafi ta canza adadin yanke. Daga cikin abubuwa uku na yanke adadin, adadin yankan baya yana da tasiri mai girma akan yanke karfi. Idan izinin injin ɗin ya yi girma, ƙarfin yankewa a cikin fasfo ɗaya ba kawai zai lalata sashin ba, har ma yana shafar rigidity na sandar kayan aikin injin da rage ƙarfin kayan aiki. Idan rage adadin yankan wuka a baya, aikin samarwa zai ragu sosai. Koyaya, ana amfani da niƙa mai sauri a cikin injinan CNC, wanda zai iya shawo kan wannan matsala. Duk da yake rage adadin yankan baya, idan dai an ƙara ciyarwa daidai kuma an ƙara saurin kayan aikin injin, za'a iya rage ƙarfin yankewa yayin tabbatar da ingantaccen aiki.
4. Hakanan ya kamata a kula da odar yankan. Rough machining yana jaddada haɓaka aikin injina da kuma bin ƙimar cirewa kowane lokaci naúrar. Gabaɗaya, ana iya amfani da niƙa da aka yanke. Wato cire abubuwan da suka wuce gona da iri akan saman babu a cikin sauri mafi sauri kuma a cikin mafi ƙanƙanta lokaci, kuma a zahiri samar da bayanin martabar geometric da ake buƙata don kammalawa. Duk da yake karewa yana jaddada babban madaidaici da inganci, ya kamata a yi amfani da milling ƙasa. Saboda kaurin yankan hakora a hankali yana raguwa daga matsakaicin zuwa sifili yayin saukar da niƙa, matakin ƙarfin aiki yana raguwa sosai, kuma matakin nakasar sassa yana raguwa a lokaci guda.
5. Sirin-bango workpieces an lalace saboda clamping a lokacin aiki, wanda ba makawa ko da gama. Domin rage girman nakasar da4 axis CNC machining workpiece, za a iya sassauta sashin latsawa kafin kammala mashin ɗin yana gab da isa girman ƙarshe, ta yadda za'a iya dawo da kayan aikin da yardar kaina zuwa sifarsa ta asali, sannan a danna dan kadan, muddin za'a iya matse kayan aikin gaba daya (gaba daya) A cewar jin), ta yadda za a iya samun kyakkyawan sakamako na aiki. A taƙaice, mafi kyawun aikin aikin ƙwanƙwasa yana kan saman goyan baya, kuma ƙarfin ƙwanƙwasa ya kamata ya yi aiki a cikin jagorar rigidity mai kyau na kayan aikin. A ƙarƙashin yanayin tabbatar da cewa kayan aikin ba sako-sako bane, ƙarami mai ƙarfi, mafi kyau.
6. Lokacin sarrafa sassa tare da rami, yi ƙoƙarin kada ku bar abin yankan niƙa ya shiga cikin ɓangaren kai tsaye kamar ɗan rawar jiki lokacin sarrafa rami, wanda ke haifar da ƙarancin sarari guntu don abin yankan niƙa da cirewar guntu mara kyau, wanda ke haifar da zafi, faɗaɗawa da ƙari. rugujewar bangaren Al'amura marasa dadi kamar wukake da karyewar wukake. Da farko a haƙa ramin tare da ɗan ramin da ya yi daidai da abin yankan niƙa ko girma ɗaya, sannan a yi niƙa da abin yankan niƙa. A madadin, za a iya amfani da software na CAM don samar da shirin ƙananan wuka na helical.
Babban abin da ke shafar daidaiton sarrafawa da ingancin saman sassan aluminum shine cewa nakasawa yana da wuyar faruwa a lokacin sarrafa irin waɗannan sassa, wanda ke buƙatar mai aiki don samun ƙwarewar aiki da ƙwarewa.
1) Haƙiƙa zaɓi sigogin geometric na kayan aiki.
① Rake Angle: A ƙarƙashin yanayin kiyaye ƙarfin ruwa, yakamata a zaɓi kusurwar rake da kyau don ya zama mafi girma. A gefe guda kuma, yana iya niƙa kaifi mai kaifi, a gefe guda kuma, yana iya rage yanke nakasawa, cire guntu mai laushi, da rage yanke ƙarfi da yanke zafin jiki. Kada a taɓa amfani da kayan aiki tare da kusurwoyin rake mara kyau.
②Angle Relief: Girman kusurwar taimako yana da tasiri kai tsaye akan lalacewa ta gefe da kuma ingancin injin da aka yi. Yanke kauri shine muhimmin yanayi don zaɓar kusurwar taimako. A lokacin m milling, saboda da babban adadin abinci, nauyi yankan nauyi, da kuma high zafi tsara, shi ake bukata da cewa kayan aiki yana da kyau zafi zafi yanayi. Don haka, ya kamata a zaɓi kusurwar baya don zama ƙarami. Lokacin da aka gama niƙa, ana buƙatar yankan gefen ya zama mai kaifi, don rage juzu'i tsakanin gefen gefe da saman injin da aka yi, da kuma rage nakasar roba. Sabili da haka, ya kamata a zaɓi kusurwar taimako mafi girma.
③ Helix kwana: Domin a sa milling tsayayye da kuma rage milling karfi, da helix kwana ya kamata a zaba a matsayin babba kamar yadda zai yiwu.
④ Jagoran raguwa mai mahimmanci: Dace da rage girman raguwa na iya inganta yanayin zafi da rage yawan zafin jiki na yankin sarrafawa.
2) Inganta tsarin kayan aiki.
① Rage adadin niƙa haƙoran yanka da ƙara guntu sarari. Saboda babban filastik na kayan aluminium, raguwa a lokacin aiki yana da girma, kuma ana buƙatar babban guntu sarari. Sabili da haka, radius na kasan guntu ya kamata ya zama babba kuma adadin hakora na mai yankan niƙa ya kamata ya zama ƙananan.
②Gama niƙa haƙoran wuƙa. Ƙimar ƙimar yankan haƙorin yankan ya kamata ya zama ƙasa da Ra=0.4um. Kafin amfani da sabuwar wuka, yakamata a yi amfani da dutse mai kyau don niƙa gaba da bayan haƙoran wuƙa da sauƙi sauƙaƙa don kawar da sauran burbushi da ƴan jakunkunan layukan da aka yi amfani da su a lokacin da ake kaifi haƙoran wuƙa. Ta wannan hanyar, ba kawai za a iya rage zafi mai yankewa ba amma kuma yanke nakasar yana da ƙananan ƙananan.
③ Tsananin sarrafa ma'aunin lalacewa na kayan aiki. Bayan da kayan aiki da aka sawa, da surface roughness darajar da workpiece ƙaruwa, da yankan zafin jiki ya tashi, da kuma nakasawa na workpiece ƙara daidai da. Sabili da haka, ban da zabar kayan aikin kayan aiki tare da juriya mai kyau, kayan aikin kayan aiki bai kamata ya wuce 0.2mm ba, in ba haka ba za a iya samun sauƙin ginawa. Lokacin yankan, yawan zafin jiki na workpiece bai kamata ya wuce 100 ° C don hana nakasawa ba.
Anebon manne wa imanin ku na "Samar da mafita na high quality da kuma samar da abokai tare da mutane daga ko'ina cikin duniya", Anebon ko da yaushe sa sha'awar abokan ciniki don fara da China Manufacturer ga kasar Sin aluminum farantin karfe, milling aluminum farantin, musamman aluminum kananan. sassa cnc, tare da kyakkyawar sha'awa da aminci, suna shirye su ba ku mafi kyawun ayyuka da ci gaba tare da ku don yin kyakkyawar makoma mai haske.
Original Factory China Extrusion Aluminum da Profile Aluminum, Anebon zai bi "Quality farko, , kamala har abada, mutane-daidaitacce , fasahar sabuwar fasahar"kasuwanci falsafa. Yin aiki tuƙuru don ci gaba da samun ci gaba, ƙirƙira a cikin masana'antu, yin kowane ƙoƙari don yin kasuwanci a matakin farko. Muna ƙoƙarin mafi kyawun mu don gina ƙirar sarrafa kimiyya, don koyon ilimin ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun masana'antu, haɓaka kayan aikin samarwa da tsarin samarwa, don ƙirƙirar samfuran inganci na farko, farashi mai ma'ana, babban ingancin sabis, bayarwa da sauri, don ba ku ƙirƙira. sabon darajar.
Lokacin aikawa: Fabrairu-13-2023