Jerin: Dalilin da yasa Rage ...
Kalmomi masu mahimmanci: RPM na haƙa rami mara kyau, saurin bit na haƙa rami, bit na HSS na haƙa rami RPM, saurin yanke haƙa rami, saurin haƙa rami da ciyarwa, diamita bit na haƙa rami da RPM, saurin haƙa ramin bakin ƙarfe, ciyarwa a kowane juyi, lalacewar bit na haƙa rami, karyewar bit na haƙa rami, taurare aikin bakin ƙarfe, me yasa bits ɗin haƙa ramin suka gaza
Ramin rami zai iya lalacewa da wuri idan gudunsa bai yi daidai da diamita ba, kayan aikin da kuma abincin da aka ciyar. Dole ne a haɗa saitin RPM mai amfani da dukkan ukun. Kawai juya injin da sauri, ko a hankali, ba ya tabbatar da samun rami mafi kyau.
Wannan labarin ya mayar da hankali kan injinan HSS da ake amfani da su a ƙarfe. HSS yana nufin ƙarfe mai sauri. Ƙimar da aka ambata a ƙasa tana bayyana alaƙar; zaɓi saitunan samarwa daga bayanan da ake buƙata don ainihin injinan haƙa da kayan.
1 Fahimci saurin kafin zaɓar RPM
| Wa'adi | Abin da yake nufi |
| Gudun spindle n a cikin RPM | Nawa juyin juya hali na motsa jiki ke yi a kowane minti. |
| Yanke gudun Vc a m/min | Saurin gefen yankewa a diamita na waje na haƙa ramin. |
| Diamita D a mm | Yi amfani da diamita na yankewa, ba ƙaramin diamita na shank ba. |
A daidai wannan RPM, babban haƙa yana da mafi girman saurin yankewa na waje. A 1,000 RPM, haƙa mai girman mm 10 yana gudana kusan sau 3.3 na saurin yankewa na haƙa mai girman mm 3. Waɗannan ƙimar da aka ƙididdige ne, ba saitunan da aka ba da shawarar ba.
Siffa ta 1 RPM iri ɗaya, saurin yankewa daban-daban. An ƙididdige daga Vc = πDn / 1000.
2 Gudu mai yawa na iya rage tsawon lokacin aikin haƙa rami
Ramin rami na iya rasa gefensa kafin ya karye. Gudu mai yawa da rashin isasshen abinci na iya rage tsawon rayuwar kayan aiki. Gudu mai yawa kuma na iya lalata kusurwoyin waje. Isarwa mai sanyaya da kuma zaɓin haƙa ma suna da mahimmanci.
Gefen da ya lalace yana iya buƙatar ƙarin ƙarfi don ci gaba da yankewa. Ci gaba da aikin ba tare da duba gefen ba kuma tsarin zai iya mayar da matsalar lalacewa zuwa matsalar karyewa. Yi rikodin yadda aikin haƙa ya gaza da kuma inda lalacewar ta fara kafin yanke shawara kan abin da za a canza.
3 Sannu a hankali ba koyaushe yake da kyau ba
Saurin haƙa rami mai yawa da kuma rashin isasshen gudu na iya haifar da karyewa. Bai kamata a yi amfani da ƙananan haƙa rami a cikin bakin ƙarfe ta atomatik a ƙarancin RPM ba.
Akwai kuma matsalar ciyarwa. A kan na'urar da ke riƙe ciyarwa a cikin mm/min, rage RPM yana ƙara nisan da aka ci gaba a kowace juyi sai dai idan saitunan ciyarwar suma sun canza. Misalin da aka yi aiki akanLallaibayan haka yana nuna dalilin da yasa wannan yake da mahimmanci.
Sauyin gudu ba zai iya gyara kayan aiki marasa sassauƙa ba, gefen da ya lalace ko sarewa cike da guntu. Waɗannan sharuɗɗan suna buƙatar nasu binciken.
4 Bakin ƙarfe yana buƙatar yankewa mai inganci
Karfe masu bakin ƙarfe na Austenitic kamar 304 da 316 na iya taurarewa yayin haƙa. Taurarewar aiki yana nufin ƙarfafawa wanda lalacewar filastik ke haifarwa. Bai kamata a kwatanta shi da zafi kawai wanda ke sa ƙarfe ya yi tauri ba.
Kula da abincin da ya dace kuma a guji yin amfani da shi ko gogewa yayin da injin haƙa ya taɓa kayan. Dole ne kuma guntun ya iya barin ramin. Wannan yana buƙatar kaifi mai kaifi, ciyarwa mai dacewa da kuma cire guntun da ya dace. Ba yana nufin amfani da ƙarfi mara iyaka ba.
Idan wani rami ya ci gaba da juyawa a wuri ɗaya ba tare da ya ci gaba ko cire kayan ba, duba yanayin yankewa da yanayin gefen. Shafawa akai-akai na iya sa yanke na gaba ya fi wahala. Kada a mayar da martani ta hanyar ƙara matsin lamba ba tare da gano musabbabin ba.
Abin da wannan ke nufi a aikace
Yi amfani da RPM a matsayin wani ɓangare na aikin haƙa. Duba saurin tare da ciyarwa, sanyaya da cire guntu. Haƙar da aka yi daidai har yanzu tana buƙatar yanayin aiki mai dacewa; matsalar aikace-aikacen kuma ba ta kawar da lahani a masana'anta ba.
5 Ma'anar HSS don bakin karfe
Tsarin auna saurin yankewa na HSS gabaɗaya don bakin ƙarfe shine ƙafa 30 zuwa 50 a minti ɗaya, daidai yake da 9.144 zuwa 15.24 m/min. Teburin da ke ƙasa yana canza wannan kewayon zuwa RPM. Yi amfani da shi don fahimtar yadda diamita ke shafar gudu, sannan duba saitunan ainihin haƙa da kayan.
| Diamita na haƙa rami | A 9.144 m/min | A 15.24 m/min |
| 3 mm | 970 RPM | 1,617 RPM |
| 6 mm | 485 RPM | 809 RPM |
| 10 mm | 291 RPM | 485 RPM |
| 13 mm | 224 RPM | 373 RPM |
Tebur 1 An ƙididdige RPM, an zagaye shi zuwa ga RPM mafi kusa. Canzawa: ƙafa 1 = 0.3048 m.
Siffa ta 2. Irin wannan saurin yankewa yana buƙatar ƙarancin RPM yayin da diamita ke ƙaruwa. Ƙungiyar da aka yi wa inuwa ita ce kewayon tunani da aka ƙididdige, ba yankin aiki mai aminci da aka gwada ba.
Wannan faffadan kewayon HSS ne. Ba ya samar da wani tsari na musamman ga kowane nau'in ƙarfe, tauri, shafi ko cobalt HSS. Waɗannan ƙimar ba shawarwarin samfurin Jiacheng M35 ko M42 ba ne.
Yi amfani da ainihin bayanan masana'antar haƙa ramin farko. Duba yanayin kayan aiki da yanayinsa, zurfin ramin, na'urar sanyaya ruwa da kuma ƙarfin injin. Kada a kwafi jadawalin saurin carbide zuwa na'urar haƙa ramin HSS.
Daidaita RPM 6 tare da ciyarwa
Ciyarwa a kowace juyi fn shine nisan da injin haƙa ya ci gaba a juyawa ɗaya, a cikin mm/rev. Saurin ciyarwa Vf shine nisan da aka ci gaba a cikin minti ɗaya, a cikin mm/min. Alaƙarsu ita ce:
Vf= fnxn
A ce injin yana riƙe da saurin ciyarwa a 60 mm/min. Canza RPM kawai yana samar da waɗannan ƙimomin. Wannan misali ne na lissafi, ba shawarar haƙa ba.
| Gudun dogara | Gudun ciyarwa | Ciyarwa a kowane juyi |
| 1,200 RPM | 60 mm/min | 0.05 mm/juyawa |
| 600 RPM | 60 mm/min | 0.10 mm/juyawa |
| 300 RPM | 60 mm/min | 0.20 mm/juyawa |
Tebur na 2 An ƙididdige ta amfani da fn = Vf / n. Duk layuka uku suna amfani da saurin ciyarwa iri ɗaya.
Hoto na 3 Da aka gyara ciyarwar a 60 mm/min, rabi na RPM yana ninka ciyarwar a kowace juyawa. Tsawon sandar yana nuna ci gaban axial a kowace juyawa, ba rage ƙarfi ba.
Rage gudu daga 600 zuwa 300 RPM yana ninka ci gaban kowace juyawa. Idan wannan sabon ƙimar ya yi yawa don haƙa da saitawa, har yanzu ana iya samun ƙarin nauyi. Ƙara RPM yayin riƙe madaidaicin mm/min yana da akasin haka kuma yana rage ci gaba kowace juyawa.
Duba yadda na'urar ke sarrafa ciyarwa. Da zarar an saita ciyarwa a cikin mm/rev, mai sarrafawa yawanci yana canza mm/min tare da RPM don kiyaye ci gaba da aka zaɓa a kowace juyawa. Tabbatar da yanayin aiki da halayen injin kafin daidaita saitunan.
A kan aikin haƙa da hannu, matsin lamba ba saitin ciyarwa ba ne da aka daidaita. Ba za a iya canza ƙimar da aka ƙididdige a sama kai tsaye zuwa ƙarfin hannu da aka ba da shawarar ba.
7 Duba sharuɗɗan kafin a ɗora wa RPM laifi
Alamar ɗaya na iya haifar da dalilai da dama. Yi amfani da waɗannan duba don jagorantar bincike; teburin ba ya gano gazawar aikin tiyata da kansa.
| An lura da matsalar | Cek da za a haɗa |
| Tsawon rayuwar kayan aiki kaɗan | Sauri, ciyarwa, zaɓin haƙa rami da kuma sanyaya ruwa zuwa wurin. |
| Kusurwoyin waje da suka lalace | Gudu mai yawa, sanyaya da kuma tabo mai tauri a cikin aikin. |
| Karyewar ba zato ba tsammani | Shirya guntu, ciyarwa da yawa, gefen da ya lalace da kuma ɗaurewa mai aminci. |
| Babban rami | Matsakaici a tsakiya, yanayin sandar aiki da kuma motsi na kayan aiki. |
Ga masu siye da masu rarrabawa, rubuta darajar kayan da yanayin su, samfurin haƙa rami da diamita, zurfin rami, kayan aiki, RPM na aiki, hanyar ciyarwa da kuma sanyaya ruwa. Ƙara hotuna masu haske na gefen da ya dace, guntu da ɓangaren da ya gaza. Wannan yana ba wa mai samar da kayayyaki shaida mai amfani don kwatantawa mai kyau.
Masu samar da kayayyaki suna da alhakin kayan aiki, maganin zafi, yanayin ƙasa da daidaiton rukuni. Jagorar aikace-aikace bayyanannu tana taimaka wa abokan ciniki su mayar da ingancin samfurin zuwa aikin haƙa mai maimaitawa.
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.
Bayanan lissafi
Ana ƙididdige duk maki na ginshiƙi da ƙimar RPM, ba sakamakon aiki da aka auna ba. Lissafi suna amfani da D a cikin mm, Vc a cikin m/min, n a cikin RPM, fn a cikin mm/rev da Vf a cikin mm/min.
Lokacin Saƙo: Nuwamba-03-2026