CNC milling da juya su ne m, tsada-tasiri da kuma daidai, duk da haka yiwuwa ga CNC machined sassa fadada ko da kara lokacin da ƙarin ƙare da aka yi la'akari.Menene zaɓuɓɓuka?Duk da yake wannan yana kama da tambaya mai sauƙi, amsar tana da rikitarwa saboda akwai abubuwa da yawa da za a yi la'akari da su.
Na farko, menene ƙarshen?Shin don inganta kayan ado ne ko aiki?Idan na ƙarshe, waɗanne sassa na aikin ne ake buƙatar ingantawa?Juriya na lalata, taurin saman, juriya na sawa ko garkuwar EMI/RF?Waɗannan su ne wasu daga cikin tambayoyin da za a amsa don haka, idan mai zane ya san abin da aka sa a gaba, bari mu dubi zaɓuɓɓuka daban-daban.
Ƙare don CNC machined karfe da gami samfur sassa
A cikin shekaru 40 da suka gabata, an nemi masana'antun Prototype Projects da su samar da sassa daga ɗimbin karafa da gami don aikace-aikace a cikin masana'antu daban-daban.Abubuwan da aka kera na CNC ana lalata su akai-akai, ana tsaftace su da kuma lalata su amma, bayan haka, zaɓin ƙarin ƙarewa yana da faɗi sosai.
Yanzu, abokan cinikinmu mafi mashahuri karafa sune aluminum gami, bakin karfe.
Har yanzu shahararru amma ƙayyadaddun ƙayyadaddun su ne jan ƙarfe, tagulla, tagulla na phosphor, ƙarfe mai laushi, ƙarfe na kayan aiki.Daga lokaci zuwa lokaci, abokan ciniki kuma suna buƙatar mashin ɗin CNC a cikin wasu karafa da gami da yawa.
Ana iya gama karafa da gami ta hanyoyi daban-daban.Misali, aluminium na iya zama gabaɗaya a bayyane anodised, hardcoat anodised, ko baki ko launi anodised, ko da yake 6082 aluminum gami yarda anodising kasa da wasu maki.Hakazalika, farantin kayan aiki na 5083 da muke amfani da shi na iya haifar da ƙwararru.Zaɓin ya dogara da ko abin da ake buƙata shine haɓaka kayan ado ko aikin (musamman juriya na lalata ko juriya).
Bakin karfe a zahiri yana jure lalata amma wani lokacin abokan ciniki suna ƙayyade ƙarin ƙarewa.Electropolishing, alal misali, yana samar da ingantaccen inganci tare da cire burrs da gefuna masu kaifi daga sassa masu rikitarwa.A gefe guda, idan taurin saman, sa juriya ko aikin gajiya yana buƙatar haɓaka, duka 304 da 316 bakin karfe za a iya nitrided ko nitrocarburised.
Ƙarfe mai laushi yana amfana daga ƙila mafi faɗin zaɓi na gamawa.Zaɓuɓɓuka sun haɗa da zanen rigar, zanen electrophoretic, murfin foda, electroplating, sinadari baƙar fata, fashewar dutsen dutse, electropolishing, harka taurin, shafi titanium nitriding (TiN), shafi nitriding da nitrocarburising.
Copper da tagulla yawanci ana keɓance su don sassa masu aiki, ba tare da ƙarin ƙarewa da ake buƙata ba bayan yin injin.Idan ya cancanta, duk da haka, ana iya goge sassa da hannu, goge na lantarki, na'urar lantarki, fashewar tururi, a shafa ko kuma a bi da su da baƙar fata.
Ƙarshen da aka zayyana a sama ba su kaɗai ba ne don ƙarfe da gami.Kullum muna farin cikin tattauna ƙarewa tare da abokan ciniki kuma muna ƙoƙarin taimakawa duk inda za mu iya.
Ƙarshe don sassan samfur na filastik da aka yi wa injin CNC
Kamar yadda da karfe da gami sassa, duk na roba sassa mu CNC inji an deburred, tsabtace da kuma rage amma, bayan haka, da karewa zažužžukan ayan zama daban-daban.
Kamar yadda mafi yawan abokan ciniki ke buƙatar CNC machined prototype filastik sassa a ko dai acetal (baƙar fata ko na halitta) ko acrylic, muna riƙe da waɗannan a hannun jari don sabis ɗin mashin ɗin mu na Express CNC.Acetal baya karɓar ƙarin ƙarewa da sauri, don haka ana ba da sassa akai-akai 'kamar yadda aka yi injin'.Acrylic, kasancewa a bayyane, sau da yawa ana goge shi don ba da bayyanar gilashi.Ana iya yin wannan da hannu tare da sakamako mai kyau na abrasive, ko tare da goge harshen wuta.Idan an buƙata, ana iya fentin acrylic tare da fenti na acrylic ko vacuum metallised don cimma wani wuri mai haske sosai.
Bayan acetal da acrylic, mu CNC na'ura samfurin sassa daga wani m kewayon injiniya robobi.
Wasu daga cikin waɗannan suna da sauƙin gamawa fiye da wasu, don haka koyaushe ana maraba da ku don tattauna kayan kuma ku gama tare da mu kafin neman fa'ida.Dangane da filastik, za mu iya yashi, firamare da sassan fenti, goge su (da hannu ko ta harshen wuta), farantin lantarki ko injin ƙarfe.Ga wasu robobi masu ƙarancin ƙarfi na saman ƙasa, ƙwararrun ƙwararrun ƙwararrun ƙwararru tare da firamare ko magani na plasma ya zama dole.
Matsakaicin dubawa na sassan samfur na injinan CNC
Ɗaya daga cikin dalilan da ya sa abokan ciniki suka zaɓi yin samfuri sassa na CNC maimakon buga 3D shine mafi girman daidaito.Haƙurinmu da aka nakalto don sassan injinan CNC shine ± 0.1mm, kodayake ana riƙe girman yawanci zuwa juzu'i masu ƙarfi, dangane da kayan da lissafi.Koyaushe muna bincika girman wakilai bayan yin injin, kuma abokan ciniki kuma na iya neman takamaiman fasali da za a bincika su ma.
Sau da yawa ana iya ɗaukar ma'aunin tare da masu kira na hannu ko micrometers amma injin mu na haɗin gwiwa (CMM) ya dace don ƙarin cikakken bincike.Wannan yana ɗaukar lokaci kuma baya samuwa tare da sabis ɗinmu na Express CNC amma yana da sauri fiye da aika sassan zuwa wani ɓangare na uku don binciken CMM.Keɓance kawai shine lokacin da ake buƙatar cikakken tsari, cikakken shirye-shiryen binciken CMM, ko kuma an yi mashin ɗin sassa kuma ana buƙatar dubawa kashi 100.
Zaɓuɓɓukan taro don sassan samfur ɗin injina na CNC
'Assembly' a nan yana nufin wani abu daga shigar da Helicoils a cikin sassan alloy na aluminum ko abin da aka saka a cikin sassan filastik, ta hanyar shigar da bearings da yin amfani da tambura.Sau da yawa ana tambayar mu mu haɗa sassan injinan CNC tare da wasu sassan samfuri, ko an yi su da injin CNC, buga 3D ko simintin gyare-gyare.
A haƙiƙa, za mu ɗauki kusan kowane matakin haɗa nau'ikan samfuri ko ƙira na gani, haɗa nau'ikan samfuri ko daidaitattun kayan aikin kashe-kashe kamar yadda ya cancanta.Wani zaɓi kuma shine a cika sassa na injinan CNC tare da polyurethane ta hanyar simintin ƙarfe.
Lokacin aikawa: Dec-13-2021