Saboda madaidaicin buƙatun samfuran da aka sarrafa, abubuwan da ake buƙatar yin la'akari da su yayin shirye-shirye sune:
Da farko, la'akari da tsarin sarrafa sassan:
1. Hana ramuka da farko sannan a daidaita ƙarshen (wannan shine don hana raguwar kayan aiki yayin hakowa);
2. Juyawa mai laushi da farko, sa'an nan kuma juyi mai kyau (wannan shine don tabbatar da daidaiton sassan);
3. Fara aiwatar da sassa tare da manyan juzu'i da farko kuma aiwatar da sassan tare da ƙananan juzu'i na ƙarshe (wannan shine don tabbatar da cewa saman ƙananan ƙananan juzu'in ba a toshe shi ba kuma don hana sassa daga lalacewa).
Dangane da taurin kayan, zaɓi saurin juyawa mai ma'ana, adadin ciyarwa da zurfin yanke:
1. Zaɓi babban gudu, babban adadin abinci da babban zurfin yanke a matsayin kayan ƙarfe na carbon. Misali: 1Gr11, zaɓi S1600, F0.2, zurfin yanke 2mm;
2. Don ciminti carbide, zaɓi ƙananan gudu, ƙarancin abinci, da ƙananan zurfin yanke. Misali: GH4033, zaɓi S800, F0.08, zurfin yanke 0.5mm;
3. Don gami da titanium, zaɓi ƙananan gudu, ƙimar abinci mai girma da ƙananan zurfin yanke. Misali: Ti6, zaɓi S400, F0.2, zurfin yanke 0.3mm. Ɗauki sarrafa wani yanki a matsayin misali: kayan shine K414, wanda shine kayan aiki mai wuyar gaske. Bayan gwaje-gwaje da yawa, S360, F0.1, da yankan zurfin 0.2 an zaɓi ƙarshe kafin a sarrafa sashin da ya cancanta.
Dabarun saitin wuka
An raba saitin kayan aiki zuwa saitin kayan aikin kayan aiki da saitin kayan aiki kai tsaye. Dabarun saitin kayan aiki da aka ambata a ƙasa sune saitin kayan aiki kai tsaye.
Kayan aikin Xinfa CNC suna da halaye na inganci mai kyau da ƙarancin farashi. Don cikakkun bayanai, da fatan za a ziyarci:
CNC Tools Manufacturers - China CNC Tools Factory & Suppliers (xinfatools.com)
Saitunan kayan aiki gama gari
Da farko zaɓi tsakiyar fuskar ƙarshen dama na ɓangaren a matsayin wurin daidaita kayan aiki kuma saita shi azaman ma'aunin sifili. Bayan na'urar na'ura ta dawo zuwa asalin, kowane kayan aiki da ake buƙatar amfani da shi an daidaita shi tare da tsakiyar gefen dama na ƙarshen ɓangaren a matsayin sifili; lokacin da kayan aiki ya taɓa fuskar ƙarshen dama, shigar da Z0 kuma danna ma'auni. Ƙimar da aka auna za a yi rikodin ta atomatik a cikin ƙimar kashe kayan aiki, wanda ke nufin cewa jeri na kayan aikin Z-axis daidai ne.
Saitin kayan aikin X shine don yanke gwaji. Yi amfani da kayan aikin don juya da'irar waje ta zama ƙarami. Auna ƙimar da'irar waje da za a juya (misali, X shine 20mm) kuma shigar da X20. Danna Auna. Ƙimar kashe kayan aiki za ta yi rikodin ƙimar da aka auna ta atomatik. Har ila yau, axis yana daidaitawa;
Wannan hanyar saitin kayan aiki ba zai canza ƙimar saitin kayan aiki ba ko da an kunna injin ɗin kuma an sake kunna shi. Ana iya amfani da shi don samar da sassa iri ɗaya a cikin adadi mai yawa na dogon lokaci, kuma babu buƙatar sake daidaita kayan aiki bayan rufe lathe.
Tips na gyara kuskure
Bayan an tsara sassan kuma an saita wuka, ana buƙatar yanke gwaji da gyara kurakurai don hana kurakuran shirin da kurakuran saitin kayan aiki daga haifar da karo na inji.
Ya kamata ku fara aiwatar da sarrafa simintin bugun jini mara amfani, fuskantar kayan aiki a cikin tsarin daidaita kayan aikin injin kuma matsar da duka sashin zuwa dama ta sau 2 zuwa 3 na jimlar tsawon sashin; sannan fara sarrafa simulation. Bayan an gama sarrafa simulation, tabbatar da cewa shirin da daidaita kayan aiki daidai ne, sannan fara sarrafa sashin. Ana aiwatar da shi, bayan an gama aiwatar da sashin farko, da farko a yi gwajin kai don tabbatar da cewa ya cancanta, sannan a sami cikakken bincike. Sai kawai bayan cikakken cikakken bincike ya tabbatar da cewa ya cancanta, an gama gyara kuskuren.
Cikakken sarrafa sassa
Bayan an yanke yanki na farko-gwaji, za a samar da sassan a batches. Duk da haka, cancantar yanki na farko ba yana nufin cewa dukkanin sassan sassan za su kasance masu cancanta ba, saboda a lokacin sarrafa kayan aiki, kayan aiki za su sawa saboda kayan aiki daban-daban. Idan kayan aiki yana da taushi, kayan aikin kayan aiki zai zama ƙananan. Idan kayan aiki yana da wuyar gaske, kayan aiki zai sa sauri. Sabili da haka, yayin aiwatar da aiki, ya zama dole don dubawa akai-akai kuma ƙara da rage ƙimar diyya na kayan aiki a daidai lokacin don tabbatar da cewa sassan sun cancanta.
Ɗauki wani ɓangaren injina a baya azaman misali
Kayan aiki shine K414, kuma jimlar sarrafawa shine 180mm. Saboda kayan yana da wuyar gaske, kayan aiki yana sawa da sauri yayin aiki. Daga farawa zuwa ƙarshen ƙarshen, za a sami ɗan rata na 10 ~ 20mm saboda kayan aiki. Don haka, dole ne mu ƙara 10 a cikin shirin. ~ 20mm, don tabbatar da cewa sassan sun cancanta.
Ka'idojin aiki na asali: m aiki da farko, cire wuce haddi abu daga workpiece, sa'an nan gama aiki; ya kamata a guji girgiza yayin aiki; thermal degeneration a lokacin aiki na workpiece ya kamata a kauce masa. Akwai dalilai da yawa na girgiza, wanda zai iya zama saboda nauyin da ya wuce kima; Yana iya zama resonance na inji kayan aiki da kuma workpiece, ko kuma yana iya zama rashin rigidity na inji kayan aiki, ko yana iya zama lalacewa ta hanyar blunting na kayan aiki. Za mu iya rage girgiza ta hanyoyi masu zuwa; rage juzu'i feed adadin da sarrafa zurfin, da kuma duba workpiece shigarwa. Duba ko mannen yana da tsaro. Ƙara saurin kayan aiki da rage gudu na iya rage sautin murya. Bugu da ƙari, duba ko ya zama dole don maye gurbin kayan aiki tare da sabon abu.
Nasihu akan hana karon kayan aikin injin
Rikicin na'ura na na'ura zai haifar da mummunar lalacewa ga daidaiton kayan aikin injin, kuma tasirin zai bambanta akan nau'ikan kayan aikin injin. Gabaɗaya magana, tasirin zai fi girma akan kayan aikin injin waɗanda ba su da ƙarfi a cikin tsauri. Don haka, don madaidaicin lathes na CNC, dole ne a kawar da karo. Matukar dai ma'aikacin ya yi taka tsantsan kuma ya mallaki wasu hanyoyin magance karo, za'a iya hana haduwa gaba daya kuma a kauce masa.
Babban dalilan karo:
☑ An shigar da diamita da tsawon kayan aiki ba daidai ba;
☑ Shigar da ba daidai ba na ma'auni na kayan aiki da sauran ma'auni na geometric masu dangantaka, da kuma kurakurai a farkon matsayi na workpiece;
☑ The workpiece daidaita tsarin na inji kayan aiki da aka saita ba daidai ba, ko da inji kayan aiki batu da aka sake saita a lokacin machining tsari da canje-canje. Rikicin na'ura galibi yana faruwa ne yayin saurin motsi na kayan aikin injin. Hatsarin da ke faruwa a wannan lokaci su ma sun fi cutarwa kuma ya kamata a nisantar da su gaba daya. Don haka, mai aiki ya kamata ya ba da kulawa ta musamman ga matakin farko na kayan aikin injin da ke aiwatar da shirin da lokacin da injin ke canza kayan aikin. A wannan lokacin, idan kuskuren gyara shirin ya faru kuma an shigar da diamita da tsayin kayan aikin ba daidai ba, haɗari zai iya faruwa cikin sauƙi. A ƙarshen shirin, idan jerin ja da baya na axis na CNC ba daidai ba ne, wani karo kuma na iya faruwa.
Don guje wa karon da ke sama, dole ne ma'aikaci ya ba da cikakken wasa ga ayyukan ma'ana guda biyar yayin aiki da kayan aikin injin. Duba ko akwai motsi mara kyau na kayan aikin injin, ko akwai tartsatsin wuta, ko akwai surutai da sautunan da ba a saba gani ba, ko akwai girgiza, da ko akwai wari mai ƙonewa. Idan an gano rashin daidaituwa, yakamata a dakatar da shirin nan da nan. Kayan aikin injin na iya ci gaba da aiki kawai bayan an warware matsalar kayan aikin injin.
Lokacin aikawa: Dec-19-2023
