Nawa kuka sani game da hanyar sarrafa zaren a cikin injinan CNC?
A cikin injina na CNC, galibi ana ƙirƙira zaren ta hanyar yanke ko ƙirƙirar ayyuka.Anan ga wasu hanyoyin sarrafa zaren da aka saba amfani da su daga ƙungiyar Anebon:
Taɓa:Wannan hanya ta ƙunshi yanke zaren ta hanyar amfani da famfo, wanda shine kayan aiki tare da tsagi na helical.Ana iya yin bugun ta hannu ko ta amfani da na'ura, kuma ya dace da ƙirƙirar zaren ciki.
Zaren Milling: Niƙa zaren yana amfani da kayan aiki mai juyawa tare da sarewa da yawa don ƙirƙirar zaren.Hanya ce mai yawa wacce za a iya amfani da ita don zaren ciki da waje.Ana fi son niƙa zaren galibi don manyan zaren ko lokacin da ake buƙatar nau'ikan girman zaren da nau'ikan.
Juyawa Zare:Wannan hanya ta ƙunshi yin amfani da kayan aikin yankan aya ɗaya wanda aka ɗora akan lathe don ƙirƙirar zaren waje.Juyawa zaren yawanci ana amfani da shi don manyan zare ko dogayen zaren kuma ya dace da madaidaicin zaren guda biyu.
Zaren Rolling:A cikin jujjuyawar zaren, mutuƙar ƙarfe mai tauri yana amfani da matsin lamba zuwa kayan aikin don lalata kayan da samar da zaren.Wannan hanya tana da inganci kuma tana samar da zaren inganci, wanda ya sa ya dace da samarwa mai girma.
Niƙa Zare:Nika zaren tsari ne na mashin daidaitaccen tsari wanda ke amfani da dabaran niƙa don ƙirƙirar zaren.Ana amfani da shi sau da yawa don samar da zare mai inganci da inganci, musamman don hadaddun zaren ko na musamman.
Lokacin zabar hanyar sarrafa zaren, abubuwa kamar girman zaren, buƙatun daidaito, kaddarorin kayan, ƙarar samarwa, da la'akarin farashi yakamata a yi la'akari da su.
Tarihi
Kalmar Ingilishi da ta yi daidai da screw ita ce Screw.Ma'anar wannan kalma ta canza da yawa a cikin 'yan shekarun nan.Akalla a cikin 1725, yana nufin "mating".
Ana iya gano aikace-aikacen ka'idar zaren zuwa kayan aiki mai karkata ruwa wanda masanin Girka Archimedes ya kirkira a shekara ta 220 BC.
A cikin karni na 4 AD, ƙasashe da ke kusa da Tekun Bahar Rum sun fara amfani da ka'idar kusoshi da goro a cikin matsi da ake amfani da su don shan giya.A lokacin, zaren na waje duk an naɗe su da igiya zuwa sandar silinda, sa'an nan kuma an zana su bisa ga wannan alamar, yayin da zaren na ciki galibi ana yin su ta hanyar dunƙule zaren na waje da abubuwa masu laushi.
Kusan 1500, a cikin zanen na'urar sarrafa zaren da Italiyanci Leonardo da Vinci ya zana, an riga an yi tunanin yin amfani da dunƙule mata da kayan musayar kayan aiki don sarrafa zaren filaye daban-daban.Tun daga wannan lokacin, hanyar yanke zaren injina ta haɓaka a cikin masana'antar kera agogon Turai.
A shekara ta 1760, ’yan’uwan Biritaniya J. Wyatt da W. Wyatt sun sami takardar haƙƙin mallaka don yanke kusoshi na itace da na’ura ta musamman.A cikin 1778, ɗan Burtaniya J. Ramsden ya taɓa kera na'urar yankan zaren da wani nau'in tsutsotsin gear guda biyu ke tukawa, wanda zai iya sarrafa dogayen zaren da madaidaicin gaske.A cikin 1797, H. Mozley na Burtaniya ya yi amfani da dunƙule na gubar mace da musayar kayan aiki don juya zaren ƙarfe tare da filaye daban-daban akan lathe ɗin da ya inganta, kuma ya kafa ainihin hanyar juya zaren.
A cikin 1820s, Maudsley ya kera rukunin farko na famfo kuma ya mutu don sarrafa zaren.
A farkon karni na 20, ci gaban masana'antar kera motoci ya kara inganta daidaiton zaren da samar da daidaitattun hanyoyin sarrafa zaren daban-daban.An ƙirƙira wasu kawunan mutuƙar buɗewa ta atomatik da kuma famfunan rage ta atomatik ɗaya bayan ɗaya, kuma an fara amfani da zaren niƙa.
A farkon 1930s, zaren niƙa ya bayyana.
Ko da yake fasahar mirgina zaren an yi haƙƙin mallaka ne a farkon ƙarni na 19, saboda wahalar kera ƙura, ci gaban ya kasance a hankali.Sai da aka yi yakin duniya na biyu (1942-1945) saboda bukatun samar da alburusai da bunkasa fasahar nika zare aka magance matsalar.Matsalolin madaidaicin masana'anta sun sami ci gaba cikin sauri.
An raba zaren galibi zuwa zaren haɗawa da zaren watsawa
Don haɗa zaren, hanyoyin sarrafawa sun fi yawa: tapping, zare, zare, jujjuyawa, mirgina, da sauransu.
Don zaren watsa, manyan hanyoyin sarrafawa sune: m da kyau juyi - niƙa, guguwa milling - m da kyau juyi, da dai sauransu.
Kashi na farko: yanke zaren
Gabaɗaya yana nufin hanyar sarrafa zaren a kan kayan aiki tare da samar da kayan aikin ko kayan aikin abrasive, galibi gami da juya, niƙa, tapping da zaren niƙa, niƙa da yanke guguwa.Lokacin jujjuya, niƙa da zaren niƙa, duk lokacin da kayan aikin ke juyawa, sarkar watsa kayan aikin injin yana tabbatar da cewa kayan aikin juyawa, abin yankan niƙa ko dabaran niƙa suna motsa gubar daidai kuma a ko'ina tare da axis na workpiece.Lokacin bugawa ko zaren, kayan aiki (matsa ko mutu) da kayan aikin suna yin motsi na jujjuyawar dangi, kuma tsagi na farko da aka kafa yana jagorantar kayan aiki (ko workpiece) don motsawa axially.
1. Juyawa zare
Juya zaren a kan lathe na iya amfani da kayan aikin jujjuyawa ko tsefe zaren.Juya zaren tare da kayan aiki mai juyawa shine hanyar gama gari don yanki ɗaya da ƙananan samar da kayan aikin da aka yi da zaren saboda sauƙin tsarin kayan aiki;juya thread tare da zaren tsefe kayan aiki yana da babban samar da yadda ya dace, amma kayan aiki tsarin ne hadaddun kuma shi ne kawai dace da matsakaici da kuma manyan-sikelin samar Juyawa short threaded workpieces da lafiya farar.Daidaiton farar zaren trapezoidal yana kunna lathes na yau da kullun na iya kaiwa maki 8 zuwa 9 kawai (JB2886-81, iri ɗaya a ƙasa);sarrafa zaren akan lathes na musamman na zaren na iya inganta haɓaka aiki ko daidaito sosai.
2. Niƙan zare
Prototype cnc millingtare da na'urar yankan faifai ko mai yanke tsefe akan injin niƙa zaren.
Ana amfani da masu yankan faifai mafi yawa don niƙa zaren trapezoidal na waje akan kayan aiki kamar su dunƙule sanduna da tsutsotsi.Ana amfani da abin yankan niƙa mai siffar tsefe don niƙa zaren yau da kullun na ciki da na waje da zaren taper.Tun lokacin da aka niƙa shi da mai yankan niƙa mai kaifi da yawa kuma tsawon sashin aikinsa ya fi tsayin zaren da aka sarrafa, aikin aikin kawai yana buƙatar juyawa don 1.25 zuwa 1.5 ya juya don aiwatarwa.Anyi, yawan aiki yana da yawa.Daidaiton farar niƙa na zaren zai iya kaiwa ga maki 8-9 gabaɗaya, kuma ƙarancin saman shine R5-0.63 microns.Wannan hanya ta dace don samar da tsari na kayan aikin da aka yi da zaren tare da daidaitaccen ma'auni ko m machining kafin niƙa.
Zare niƙa abun yanka machining ciki zaren
3. Zare nika
Ana amfani da shi galibi don aiwatar da madaidaicin zaren kayan aiki masu tauri akan injunan niƙa zaren.Bisa ga siffar giciye-sashe na nika dabaran, shi za a iya raba iri biyu: guda-line nika dabaran da Multi-line nika dabaran.Matsakaicin farar layukan niƙa dabaran niƙa ɗaya-layi na iya zama maki 5-6, ƙarancin ƙasa shine R1.25-0.08 microns, kuma suturar dabaran niƙa ya fi dacewa.Wannan hanya ta dace da niƙa madaidaicin skru na gubar, ma'aunin zaren, tsutsotsi, ƙananan batches na kayan aikin da aka yi da kuma niƙa taimako.daidai juzu'i bangaren.
Multi-line nika dabaran nika ya kasu kashi biyu iri: a tsaye nika Hanyar da plunge nika hanya.A cikin hanyar niƙa mai tsayi, faɗin dabaran niƙa ya fi tsayin zaren da za a yi ƙasa, kuma zaren na iya kasa ƙasa zuwa girman ƙarshe ta hanyar motsa ƙafafun niƙa a tsaye sau ɗaya ko sau da yawa.A cikin hanyar yanke-in niƙa, nisa daga cikin dabaran niƙa ya fi tsayin zaren da za a yi ƙasa.
The dabaran nika yanke a cikin saman workpiece radially, da workpiece iya zama ƙasa bayan 1.25 juyin juya halin.Yawan aiki yana da girma, amma daidaito ya ɗan ragu kaɗan, kuma suturar ƙafafun niƙa ya fi rikitarwa.Hanyar niƙa mai niƙa ta dace da taimakon bututun niƙa tare da manyan batches da niƙa wasu zaren don ɗaurewa.
4. Zare nika
Nau'in goro ko nau'in zare mai nau'in dunƙule an yi shi da abubuwa masu laushi kamar simintin ƙarfe, dacnc juya sassana zaren da aka sarrafa akan kayan aikin da ke da kuskuren farar yana jujjuya shi a gaba kuma yana juyawa don inganta daidaiton farar.Tauraren zaren ciki yawanci kuma ana kasa don kawar da nakasu da inganta daidaito.
5. Tatsi da zare
Taɓa
Za a yi amfani da ƙayyadaddun juzu'i don murƙushe fam ɗin cikin rami da aka riga aka hakowa a kan kayan aikin don aiwatar da zaren ciki.
Zare
Yana da amfani da mutu don yanke zaren waje akan mashaya (ko bututu) workpiece.Daidaiton mashin ɗin bugun ko zaren ya dogara da daidaiton famfo ko mutu.
Ko da yake akwai hanyoyi da yawa don sarrafa zaren ciki da na waje, ƙananan ƙananan zaren ciki za a iya sarrafa su ta hanyar famfo.Ana iya yin taɗawa da zaren zare da hannu, ko kuma ta hanyar lathes, injin maƙala, injin buɗa da na'urar zare.
Kashi na biyu: zaren mirgina
Hanyar sarrafawa wanda kayan aikin filastik ya lalace ta hanyar mirgina mutu don samun zaren.Ana yin jujjuyawar zaren gabaɗaya akan na'ura mai jujjuya zare ko lathe ta atomatik tare da buɗewa ta atomatik da zaren mirgina kai.Zaren waje don yawan samar da ma'aunin madaidaicin madaidaicin da sauran haɗin zaren.Diamita na waje na zaren da aka yi birgima gabaɗaya bai wuce mm 25 ba, tsayinsa bai wuce 100 mm ba, daidaiton zaren zai iya kaiwa matakin 2 (GB197-63), kuma diamita na blank ɗin da aka yi amfani da shi kusan daidai yake da farar. diamita na zaren da aka sarrafa.Rolling gabaɗaya ba zai iya aiwatar da zaren ciki ba, amma don kayan aiki tare da kayan laushi, ana iya amfani da famfo mara ƙarfi don fitar da zaren ciki mai sanyi (matsakaicin diamita na iya kaiwa kusan mm 30), kuma ka'idar aiki tana kama da tapping.The karfin juyi da ake bukata domin sanyi extrusion na ciki zaren ne game da
Sau biyu na tapping, da machining daidaito da kuma ingancin saman sun dan kadan sama da na tapping.
Amfanin birgimar zaren: ①Raunin saman ya fi na juyawa, niƙa da niƙa;② Fuskar zaren bayan mirgina na iya ƙara ƙarfi da ƙarfi saboda taurin sanyi;③ Babban amfani da kayan aiki;④ The yawan aiki yana ninki biyu idan aka kwatanta da yankan aiki , kuma mai sauƙin sarrafa kansa;⑤ mirgina mutu rayuwa tayi tsayi sosai.Koyaya, zaren mirgina yana buƙatar cewa taurin kayan aikin bai wuce HRC40 ba;Abubuwan da ake buƙata don daidaiton ma'auni na blank yana da girma;daidaici da taurin mirgina kuma suna da girma, kuma yana da wahala a kera ƙirar;bai dace da zaren mirgina tare da sifofin haƙoran asymmetric ba.
Dangane da nau'in mirgina daban-daban, zaren mirgina za a iya raba iri biyu: zare rolling da zare rolling.
6. Shafawa
An shirya allunan birgima na zare guda biyu tare da bayanan zaren gaba da juna tare da ɗimbin farar 1/2, an daidaita allon a tsaye, kuma allon motsi yana yin motsi na madaidaiciya madaidaiciya daidai da allon a tsaye.Lokacin daal'ada inji sassaAna ciyar da shi a tsakanin faranti biyu, farantin motsi yana motsawa gaba kuma yana goge kayan aikin, yana mai da saman sa filastik da nakasa don samar da zaren (Hoto na 6 [thread rolling]).
7. Zaren mirgina
Akwai nau'ikan zaren mirgina nau'ikan nau'ikan zaren 3, radial thread rolling, tangential thread rolling da rolling head thread rolling.
① Radial thread mirgina: 2 (ko 3) zaren mirgina ƙafafun tare da zaren profile an shigar a kan layi daya shafts, da workpiece da aka sanya a kan goyon bayan tsakanin biyu ƙafafun, da biyu ƙafafun juya a wannan gudun a cikin wannan shugabanci (Hoto 7). [Zaren Radial]), ɗayan kuma yana yin motsin ciyarwar radial.The workpiece juya a karkashin drive na zaren mirgina dabaran, da kuma surface ne radially extruded samar da zaren.Ga wasu skru na gubar waɗanda basa buƙatar daidaitattun daidaito, ana kuma iya amfani da irin wannan hanyar don yin nadi.
② Tangential zaren mirgina: Hakanan aka sani da mirgina zaren duniya, kayan aikin mirgina yana ƙunshe da dabaran jujjuyawar zaren tsakiya mai jujjuyawa da faranti 3 kafaffen waya mai siffa (Hoto na 8 [tangential thread rolling]).A lokacin da zaren mirgina, da workpiece za a iya ciyar da ci gaba, don haka yawan aiki ya fi na zaren mirgina da radial thread mirgina.
③ Mirgina zaren kai: Ana yin shi akan lathe ta atomatik, kuma ana amfani dashi gabaɗaya don sarrafa gajerun zaren akan kayan aiki.Akwai ƙafafun mirgina 3 zuwa 4 a ko'ina a gefen waje na workpiece a cikin mirgina kai (Hoto 9 [thread rolling head]).A lokacin da zaren mirgina, da workpiece juya, da kuma mirgina kai ciyar axially don mirgine workpiece daga cikin zaren.
8. sarrafa zaren EDM
Sarrafa zare na yau da kullun yana amfani da cibiyoyin injina ko kayan aiki da kayan aiki, kuma wani lokaci ana yin ta da hannu.Duk da haka, a wasu lokuta na musamman, hanyar da ke sama ba ta da sauƙi don samun sakamako mai kyau, kamar buƙatar aiwatar da zaren bayan zafin jiki na sassa saboda sakaci, ko kuma saboda matsalolin kayan aiki, irin su tapping kai tsaye a kan simintin carbide workpieces.A wannan lokacin, ya zama dole a yi la'akari da hanyar machining na EDM.
Idan aka kwatanta dakarfe cnc machiningHanyar, tsari na EDM ɗaya ne, kuma rami na ƙasa yana buƙatar farawa da farko, kuma diamita na ramin ƙasa ya kamata a ƙayyade bisa ga yanayin aiki.Ana buƙatar sarrafa wutar lantarki zuwa siffar zaren, kuma wutar lantarki tana buƙatar samun damar jujjuya yayin sarrafawa.
"Tsarin inganci, Gaskiya a matsayin tushe, kamfani na gaskiya da ribar juna" shine ra'ayin Anebon, ta yadda zaku iya ƙirƙira akai-akai kuma ku bi ƙwararrun mashin ɗin China Wholesale Custom Machining Part-Sheet Metal Part Factory-Auto Part, Anebon da sauri girma cikin girma da suna. saboda cikakkiyar sadaukarwar Anebon ga masana'anta masu inganci, babban darajar kayayyaki da babban mai samar da abokin ciniki.
OEM Manufacturer China Machining Part da Stamping Part, Idan kana da wani daga Anebon ta kayayyakin da mafita, ko da wasu abubuwa da za a samar, tabbatar da aiko mana da tambayoyinku, samfurori ko cikin zurfin zane.A halin yanzu, da nufin haɓaka ƙungiyar kasuwanci ta duniya, Anebon zai kasance koyaushe a nan don sa ido don karɓar tayi don ayyukan haɗin gwiwa da sauran ayyukan haɗin gwiwa.
Lokacin aikawa: Juni-19-2023