Jerin: Dalilin da yasa Rage ...
Kalmomi masu mahimmanci: haƙa bakin ƙarfe, dalilin da yasa bakin ƙarfe yake da wahalar haƙa, aikin taurare bakin ƙarfe, haƙa rami don bakin ƙarfe 304 316, M35 cobalt HSS haƙa rami, fashewar guntu na bakin ƙarfe, ƙarancin ƙarfin lantarki na thermal, gefen ƙarfe da aka gina da bakin ƙarfe, 135 mai raba maki na bakin ƙarfe, jan taurare rami, gazawar haƙa ramin aiki, haƙa bakin ƙarfe ciyarwa RPM
Tambayi duk wanda ya haƙa bakin ƙarfe 304 ko 316 a kan bene na shago menene matsalar, kuma za ku ji kalma ɗaya kafin ku fahimci kimiyya: mai mannewa. Hakin ba ya tsayawa kawai - da alama yana ƙara wahala a tura shi tsawon lokacin da kuke cikin ramin. Wannan bayanin daidai ne. Hakanan bai cika ba.
Bakin ƙarfe ba shi da wahalar haƙawa saboda yana da wahala. A yanayin da yake annealed, ma'auni na gama gari kamar 304 da 316 galibi suna da laushi fiye da ƙarfe mai tauri. Abin da ya bambanta bakin ƙarfe shi ne cewa haƙa yana haifar da halaye daban-daban na injiniya guda huɗu a lokaci guda, kuma kowannensu yana ƙara ta'azzara sauran ukun. Fahimtar wannan madauki - ba wai kawai sanin "bakin ƙarfe yana da tauri ba" - shine abin da ke raba tsarin haƙa da ke aiki da wanda ke cin guntu.
Ba Matsalar Tauri Ba ce
Idan tauri ne kawai ya bayyana matsalar, to ɗan haƙa mai tauri zai gyara ta. A aikace, shaguna da yawa suna haɓakawa zuwa ƙaramin abu mai tauri kuma har yanzu suna ƙonewa ta cikin adadin ramuka iri ɗaya. Wannan saboda hanyoyin guda huɗu da ke ƙasa ba sa aiki ɗaya bayan ɗaya - suna ciyar da juna a cikin madauki, kuma madauki shine abin da ke lalata haƙar.
● Rashin jurewa da kuma rashin karyewar guntu — kayan ba ya yankewa sosai
● Ƙarancin ƙarfin zafi — zafin da aka samar ba shi da inda zai je
● Taurarewar aiki — saman yana yin tauri daidai inda kake ƙoƙarin yanke shi
● Yawan zafi a gefen da aka yanke - aikin haƙa yana ɗaukar hukuncin da kayan aikin ba za su iya sha ba
Kowanne daga cikin waɗannan sanannu ne na mallakar bakin ƙarfe na austenitic. Masu siyan yanayin gazawa a zahiri suna fuskantar abin da ke faruwa lokacin da dukkan huɗun ke aiki a lokaci guda.
Me yasa Bakin Karfe yake jin "manne" - Ductility da Rashin Karya Chip
304 da 316 sun fi ƙarfen carbon ƙarfi, wanda ke nufin kayan sun lalace kuma suna miƙewa kafin ƙarshen yankewa maimakon yankewa zuwa ɗan gajeren guntu. Sakamakon shine dogon guntu mai ci gaba, mai juyi, maimakon ƙananan gutsuttsuran da za ku samu a cikin ƙarfe mai laushi.
Nassoshin ƙera bakin ƙarfe suna bayyana ma'aunin austenitic a cikin waɗannan sharuɗɗan - a matsayin suna da "yawan taurarewa mai yawa da kuma rashin kyawun fasa guntu" yayin ƙera.
Tushe: wallafe-wallafen masana'antar kera bakin ƙarfe gabaɗaya (jagorar fasaha ta masana'antar kera).
Dogayen guntun karkace ba wai kawai suna kama da datti ba ne. Suna naɗe jikin injin haƙa ramin, suna naɗe shi cikin sarewa, kuma a cikin mawuyacin hali suna matse kayan aikin gaba ɗaya. Busa mai cike da busa ba zai iya ɗaukar guntun ba - ko zafi - daga ramin, wanda hakan ke tura matsalar kai tsaye zuwa sashe na gaba.
Zafin da Ba Shi da Inda Zai Je
Matsakaicin ƙarfin zafin da bakin ƙarfe ke fitarwa ya kai kusan kashi ɗaya bisa uku na ƙarfen carbon — yawanci yana tsakanin 15-30 W/m·K idan aka kwatanta da 30-60 W/m·K ga ƙarfen carbon na yau da kullun. A aikace, wannan yana nufin zafin da ake samu a gefen ƙarshe ba ya ɓacewa zuwa wurin aiki da ke kewaye kamar yadda yake a cikin ƙarfe mai laushi. Yana kasancewa a hankali a inda injin haƙa ramin yake yin aiki mafi yawa.
Yawanci, babban rabo na yanke zafi yana fita tare da guntu. Amma guntu da muka bayyana yanzu - dogo, mai zare, a cikin sarewa - ba ya share ramin yadda ya kamata. Ƙananan zafi yana fita tare da guntu, kuma abin da ya rage yana shanyewa ta hanyar kayan aiki da saman da aka yanke sabo. Wannan shine haɗin kai tsaye tsakanin rashin kyawun fitar da guntu da zafin gefen: ba matsaloli biyu daban-daban ba ne, matsala ɗaya ce da ke ƙara dagula kansa.
Taurare Aiki - Lokacin da Ramin Ya Yi Fama Da Baya
Wannan yawanci shine ɓangaren da ke kashe ɗan haƙa rami, kuma sakamakon zafi ne kai tsaye da aka bayyana a sama. Lokacin da gefen yankewa yake shafawa maimakon yankewa - ƙarancin ciyarwa, saurin gudu da yawa, ko ɗan jinkiri a tsakiyar rami - gogayya da matsin lamba a cikin sanyi - yi aiki da siririn Layer na saman. Wannan Layer yana ƙarfafawa. A cikin bakin ƙarfe, yankin da abin ya shafa zai iya kaiwa kimanin 40-50 HRC, mafi ƙarfi fiye da yadda aka tsara ɗan haƙa ramin don yankewa.
Tarkon: Da zarar zoben kayan aiki ya yi tauri, to yana da wahala a cije shi a juyin juya hali na gaba, wanda ke haifar da ƙarin gogewa, wanda ke ƙara taurare saman. Yana ƙarfafa kansa - kuma yana farawa da zarar injin ya daina yankewa da kyau.
Wannan kuma shine dalilin da ya sa ƙa'idar da aka saba amfani da ita a kan bene na shago da bakin karfe ta zama cikakke: kada a daina ciyarwa yayin da sandar ke juyawa. Dakatar da ko da daƙiƙa ɗaya ko biyu, tare da ɗan abin da ke juyawa yana taɓa kayan, sau da yawa ya isa ya taurare wannan wurin fiye da abin da injin haƙan zai iya yankewa daga baya.
Yadda Abubuwa Huɗu Suka Haɗa
An tsara shi azaman sarka, jerin gazawar yana kama da haka:
Inda Maƙallin Rage Kansa Yake Shiga
Idan aka yi la'akari da duk abubuwan da ke sama, yana da kyau a kai ga wani abin haƙa mai "ƙarfi" sannan a ɗauka cewa an warware matsalar. Wannan shine tsarin da bai dace ba. Dalilin da yasa M35 cobalt HSS ya fi M2 HSS na bakin karfe kyau ba shine cewa M35 ya fi tauri ba - a'a, M35 yana riƙe da tauri da ikon yankewa a mafi girman zafin jiki. M2 HSS yana fara rasa tauri a gefensa a kusan 400°C; sinadarin cobalt na M35 yana tura wannan matakin ja-tauri zuwa kusan 600°C.
Tunda babbar matsalar haƙa bakin ƙarfe ita ce zafi wanda ba shi da inda zai je, matakin haƙa ramin da ke riƙe da babban ƙarfinsa a mafi yawan zafin jiki yana magance ainihin tsarin - ba wai kawai yana hana lalacewa gabaɗaya ba. Jerin ya cancanci a fayyace shi a sarari:
Bakin ƙarfe yana samar da zafi mai ƙarfi → hawan zafin jiki na zamani → HSS na yau da kullun yana rasa tauri kuma yana raguwa da sauri → goge gefen mara kyau maimakon yankewa → goge drives ɗin aiki yana taurare → ƙarin zafi → gazawar. M35 cobalt yana katse wannan madauki a matakin "gefen yana rasa tauri" - ba a matakin taurare aiki ba, kuma ba a matakin RPM/feed ba.
Tsarin yanayi yana da mahimmanci saboda dalili ɗaya, daga wani kusurwa daban. Rabawar maki 135° (wanda aka rufe a cikin wannan jerin 'Geometry cluster') yana rage yin tsere a kan dusar ƙanƙara da tafiya a farkon ramin, wanda ke rage tagar inda guntun yake gogewa maimakon yankewa da kyau. Rage gudu a kan dusar ƙanƙara a lokacin shiga yana nufin ƙarancin damar da za a iya haifar da taurarewar aiki kafin ma ramin ya fara.
Babu ɗaya daga cikin wannan da ya maye gurbin ingantaccen tsari. Tsarin ma'aunin ma'aunin cobalt na M35 da aka yi daidai a RPM ɗin da bai dace ba, ba tare da matsin lamba na ciyarwa ba, ko kuma tare da ramin tsakiya mai ɗorewa, zai ci gaba da aiki - yana taurare kayan kuma ya lalace - bayan ɗan lokaci kaɗan fiye da yadda ma'aunin HSS zai yi. Matsayin haƙa ramin yana ɗaga rufin; ba ya gyara ma'auni mara kyau a ƙarƙashinsa.
Abin da Wannan ke nufi Lokacin da kake neman ƙananan injinan ...
Idan haƙa bakin ƙarfe wani ɓangare ne na layin samfuran ku ko aikace-aikacen abokan cinikin ku, akwai wasu tambayoyi da suka cancanci a yi kafin a yi oda:
● Shin ainihin ma'aunin cobalt M35 ko M42 ne ya tabbatar da ingancin cobalt, ba kawai lakabin "don bakin karfe" a kan marufin ba?
● Shin yanayin ma'aunin ya haɗa da ma'aunin raba 135°, ko kuma ma'aunin mazugi na 118° wanda aka yi niyya ga ƙarfe mai laushi?
● Shin ana isar da ƙimar RPM/feed da aka ba da shawarar ga mai amfani da bakin ƙarfe ga mai amfani, ko kuma a bar su su yi tsammani?
● Shin an haɗa mai sanyaya ko man yanka a cikin tsarin da aka ba da shawarar, ko kuma an ɗauka a hankali?
Babu ɗaya daga cikin waɗannan tambayoyin da ke da amsar da ta dace ta duniya — sun dogara ne da matakin bakin ƙarfe, zurfin rami, da kayan aiki. Amma mai samar da kayayyaki wanda zai iya yin bayani a kansu tare da kai gabaɗaya yana da ƙarin fahimtar yanayin gazawa fiye da wanda ke ba da sunan samfurin da ke da wahalar amsawa kawai.
Game da wannan jerin
Dalilin da yasa Drill Bits Fail wani shiri ne na fasaha wanda ƙungiyar samar da kayayyaki tamu ta rubuta. Kowane labarin ya mayar da hankali kan takamaiman abu guda ɗaya a cikin aikin injin haƙa rami - daga kayan aiki zuwa marufi. Manufar abu ne mai sauƙi: taimaka wa masu siye su fahimci abin da suke saya a zahiri, da kuma waɗanne tambayoyi za su yi.
Lokacin Saƙo: Satumba-17-2026