7 Hanyoyin sarrafa zaren

1. Yanke zare

Gabaɗaya, yana nufin hanyar machining thread on workpiece tare da kafa kayan aiki ko nika kayan aiki, yafi ciki har da juya, milling, tapping da threading nika, nika da guguwa sabon, da dai sauransu A lokacin da juya, milling da nika da zaren, da watsa sarkar. kayan aikin injin yana tabbatar da cewa kayan aikin juyawa, mai yankan niƙa ko dabaran niƙa suna motsa gubar daidai kuma daidai tare da jagorar axial na workpiece kowane jujjuyawar aikin. Lokacin dannawa ko zaren, kayan aikin (matsa ko mutu) yana juyawa dangi zuwa kayan aikin, kuma tsagi na farko da aka kafa yana jagorantar kayan aiki (ko workpiece) don motsawa axially.

 

2. Juyawa zare

Ƙirƙirar kayan aikin juyawa ko kayan aikin katin zare za a iya amfani da su don kunna zaren akan lathe (duba kayan aikin zaren). Juya zaren tare da samar da kayan aikin juyawa shine hanyar gama gari don yanki ɗaya da ƙaramin tsari na aikin zaren aiki saboda tsarin sa mai sauƙi; juya thread tare da thread combing kayan aiki yana da high samar yadda ya dace, amma da tsarin ne hadaddun, don haka shi ne kawai dace da juya short thread workpiece da lafiya hakora a matsakaici da kuma manyan tsari samar. Daidaitaccen filin jujjuya zaren trapezoidal tare da lathe gabaɗaya na iya isa matakan 8-9 kawai (jb2886-81, iri ɗaya a ƙasa); Ana iya inganta yawan aiki ko daidaito sosai lokacin da ake sarrafa zaren akan late na musamman.cnc machining part

 

3. Niƙa zare

A kan injin niƙa da zaren, ana amfani da abin yankan niƙa ko kuma abin yankan niƙa don niƙa. Disc milling abun yanka ne yafi amfani ga milling trapezoid waje zaren na dunƙule sanda, tsutsa da sauran workpieces. Ana amfani da abin yankan niƙa don niƙa zaren gama gari na ciki da na waje da zaren taper. Saboda tsawon sashin aikin sa ya fi tsayin zaren da za a sarrafa shi ta hanyar yankan niƙa da yawa, ana iya sarrafa aikin aikin ta hanyar jujjuyawar 1.25-1.5 kawai, tare da babban yawan aiki. A farar daidaito na thread milling iya isa 8-9 maki, da kuma surface roughness ne r5-0.63 μ M. Wannan hanya ta dace da taro samar da general daidaici thread workpiece ko m machining kafin nika.cnc milling part

 

4. Zare nika

An yafi amfani da aiwatar da madaidaicin zaren na taurare workpiece a kan zaren grinder. Dangane da nau'in juzu'i daban-daban na dabaran niƙa, ana iya raba shi zuwa nau'i biyu: dabaran niƙa guda ɗaya da dabaran niƙa da yawa. Matsakaicin daidaiton dabaran injin niƙa guda ɗaya shine maki 5-6, kuma ƙarancin ƙasa shine r1.25-0.08 μm, don haka ya dace don gama injin niƙa. Wannan hanya ta dace da niƙa madaidaicin dunƙule, ma'aunin zaren, tsutsa, ƙaramin tsari na workpiece da madaidaicin hob. Akwai hanyoyi guda biyu na niƙa: niƙa a tsaye da yanke cikin niƙa. Faɗin dabaran niƙa tare da hanyar niƙa madaidaiciya bai kai tsayin zaren da za a niƙa ba, kuma zaren za a iya niƙa shi zuwa girman ƙarshe bayan ƙafafun niƙa yana motsawa sau ɗaya ko sau da yawa. Nisa daga cikin dabaran niƙa na yanke a cikin hanyar niƙa ya fi tsayin zaren da za a niƙa. The dabaran nika yanke a cikin saman workpiece radially, kuma workpiece za a iya nika bayan juya game da 1.25 juyin. Yawan aiki ya fi girma, amma daidaito ya ɗan ragu kaɗan, kuma suturar dabaran niƙa ya fi rikitarwa. Yanke hanyar niƙa ya dace don yin shebur mai yawa na famfo da niƙa wasu zaren ɗaure.bangaren filastik

 

5. Nika zare

Nau'in goro ko nau'in dunƙule nau'in zaren lapping kayan aiki an yi shi da abubuwa masu laushi kamar baƙin ƙarfe. Sassan zaren da aka sarrafa akan kayan aikin tare da kuskuren farar ana niƙa su ta gaba da juyawa don haɓaka daidaiton farar. Zaren ciki mai tauri yawanci ana kawar da shi ta hanyar niƙa don inganta daidaito.

 

6. Tatsi da zare

Taɓa shine a yi amfani da ƙayyadaddun juzu'i don murƙushe fam ɗin cikin ramin ƙasa da aka riga aka haƙa akan kayan aikin don aiwatar da zaren ciki.

Threading shine yanke zaren waje akan mashaya (ko bututu) workpiece tare da mutu. 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 waje, ƙananan ƙananan zaren ciki za a iya sarrafa su ta hanyar famfo. Ana iya yin taɗawa da zare da hannu ko ta latsa, injin hakowa, injin taɗawa da na'urar zare.

 

7. Zaren mirgina

Hanyar sarrafawa na ƙirƙira da mirgina mutu don samar da nakasar filastik na workpiece don samun mirgina zaren gaba ɗaya ana aiwatar da shi akan na'urar mirgina zaren ko lathe ta atomatik a haɗe tare da buɗewa ta atomatik da rufe zaren mirgina kai, wanda ya dace da yawan samar da zaren waje. samfurin daidaitattun maɗauran ɗamara da sauran haɗin gwiwa. Gabaɗaya, diamita na waje na zaren birgima bai wuce 25 mm ba, tsayin bai wuce mm 100 ba, kuma daidaiton zaren zai iya kaiwa matakin 2 (gb197-63). Diamita na blank ɗin da aka yi amfani da shi ya yi kusan daidai da diamita na zaren da za a sarrafa. Gabaɗaya, ba za a iya sarrafa zaren na ciki ta hanyar mirgina ba, amma don aikin aiki mai laushi, za a iya amfani da zaren na ciki mai sanyi ba tare da famfo extrusion ba (matsakaicin diamita na iya kaiwa kusan 30mm), kuma ka'idar aiki tana kama da tapping. Ƙunƙarar da ake buƙata don extrusion sanyi na zaren ciki shine kusan sau 1 ya fi girma fiye da haka don tapping, kuma daidaitattun machining da ingancin saman sun dan kadan fiye da haka don tapping.

Abubuwan da ake amfani da su na mirgina zaren su ne kamar haka: ① rashin ƙarfi na saman bai wuce juyawa, milling da niƙa ba; ② fuskar zaren bayan mirgina zai iya inganta ƙarfi da ƙarfi saboda aikin sanyi; ③ yawan amfani da kayan yana da yawa; ④ yawan aiki yana ninka sau biyu idan aka kwatanta da tsarin yankewa, kuma yana da sauƙin gane aiki da kai; ⑤ rayuwar sabis na mirgina mutu yana da tsayi sosai. Koyaya, taurin kayan aikin bai wuce hrc40 ba, ana buƙatar daidaiton girman blank don zama babba, daidaito da taurin mirgina ana buƙatar su zama babba, don haka yana da wahala a kera mutu. kuma bai dace da zaren tare da bayanin martaba na mirgina asymmetric ba.

 

Bisa ga nau'in mirgina daban-daban, zaren mirgina za a iya raba iri biyu: zare rolling da zare mirgina.

 

Zaren mirgina: faranti guda biyu masu birgima tare da bayanan zaren suna tashe kuma an shirya su da farar 1/2. An gyara farantin a tsaye kuma farantin mai motsi yana motsawa a cikin madaidaiciyar layi mai jujjuyawar daidai da farantin. Lokacin da workpiece aka aika tsakanin biyu faranti, motsi farantin matsawa gaba don shafa da latsa workpiece, yin da surface nakasar roba da kuma forming wani zare. Mo Mo Q group 373600976

 

Akwai nau'ikan mirgina iri uku: radial rolling, tangential rolling da mirgina kai.

 

① radial thread mirgina: biyu (ko uku) thread dimbin yawa thread mirgina ƙafafun an shigar a kan juna a layi daya shafts, da workpiece da aka sanya a kan goyon baya tsakanin biyu ƙafafun, da biyu ƙafafun juya a wannan gudun a cikin wannan shugabanci, daya daga wanda kuma ke yin motsin ciyarwar radial. The workpiece da aka kora da mirgina dabaran don juya, da kuma surface ne extruded radially ya samar da zare. Hakanan za'a iya amfani da irin wannan hanyar birgima don wasu sukurori tare da ƙananan buƙatu.

 

(2) Tangential zaren mirgina: wanda kuma aka sani da duniyar zaren mirgina. Kayan aikin birgima ya ƙunshi dabaran jujjuyawar zare ta tsakiya mai juyawa da faranti kafaffen zare guda uku. A lokacin mirgina, za a iya ciyar da workpiece ci gaba, don haka yawan aiki ya fi na zaren shafa da radial mirgina.

 

③ Zaren mirgina kai: ana aiwatar da shi akan lathe ta atomatik kuma ana amfani dashi gabaɗaya don aiwatar da gajeren zaren akan kayan aikin. Akwai rollers 3-4 waɗanda aka rarraba iri ɗaya a kusa da kayan aikin. Lokacin mirgina, aikin aikin yana jujjuya, kuma mirgina kai yana ciyarwa axially don mirgine aikin daga zaren.