Ma'auni don sarrafa bakin ƙarfe mara tsatsa ta CNC: cikakken jagorar ƙwararru
Gabatarwa
Karatun baƙin ƙarfe na ɗaya daga cikin kayan injiniya da ake amfani da su sosai a masana'antun sararin samaniya, motoci, kiwon lafiya, sarrafa abinci, da na teku, ana daraja shi saboda ƙarfin juriya ga tsatsa, ƙarfin injiniya, da ɗorewa. Duk da haka, Sarrafa bakin ƙarfe da CNC yana gabatar da ƙalubale na musamman—ciki har da taurin aiki mai tsanani, saurin lalacewar kayan aiki, rashin kyakkyawan fitar da zafi, da sarrafa ƙwayoyin roba mai wahala—wanda ke sanya daidaitawa da kyau Sigogi don sarrafa bakin ƙarfe mara tsatsa ta CNC Abin da ba za a iya sassauci a kai ba don samun inganci mai dorewa, tsawon rayuwar kayan aiki, da samarwa mai araha.
A HLW, muna haɗa shekaru da dama na ƙwarewar sarrafa injina, daidaita sigogi bisa bayanai, da kayan aikin CNC na zamani don samar da sassa na bakin ƙarfe masu daidaito sosai, tare da ƙuntatattun iyakoki da kyakkyawan kamannin saman. Wannan cikakken jagora yana bayyana kowane muhimmin sigogi, zaɓin kayan aiki, dabarun sanyaya, da mafi kyawun hanyoyin aiki don kwarewa a sarrafa CNC na bakin ƙarfe, daga matakan kayan aiki har zuwa ayyukan ƙarewa.
Muhimman Halayen Karfe Mara Tsatsa da ke Shafar Ma'aunin Inji
Halayen kayan bakin ƙarfe marar tsatsa suna ƙayyade kai tsaye mafi kyawun sigogin yanke, zaɓin kayan aiki, da dabarun sarrafawa. Duk matakai suna ɗauke da aƙalla chromium 10.5% don juriya ga tsatsa, tare da rukunoni guda biyar na asali:
1.1 Karfe mara tsatsa na Austenitic (304, 316, 303)
- Ba mai maganadisu ba, ƙarfi wajen juriya ga tsatsa da zafi
- Matsakaicin saurin ƙarfafawa ta aiki, ƙarancin gudanar da zafi
- Yafi yaduwa a sassan masana'antu gabaɗaya, abinci, kiwon lafiya, da na sararin samaniya.
1.2 Karfe mara tsatsa na ferritic (430, 446)
- Mai jan ƙarfe, ƙarancin juriya ga tsatsa fiye da na austenitic
- Sauƙin sarrafawa da injina, ƙarancin taurin aiki
- Ana amfani da shi wajen sassan mota da na'urorin girki
1.3 Karfe mara tsatsa na martensitic (416, 420, 440)
- Mai jan ƙarfe, matsakaicin juriya ga tsatsa
- Ana iya yin maganin zafi domin samun tauri mai ƙarfi
- Ya dace da wukake, kayan aikin tiyata, da kayan aikin hannu
1.4 Karfe mara tsatsa da aka ƙara ƙarfi ta hanyar sauka (PH) (17-4 PH, 15-5 PH)
- Ƙarfi mafi girma, ana iya yin maganin zafi, ƙwarewar juriya ga tsatsa
- Ana amfani da shi don muhimman sassa na jiragen sama
- Yana buƙatar sigogin sarrafa injin masu tsaro
1.5 Duplex Karfe mara tsatsa (2205, 2304, 2507)
- Haɗin kaddarorin austenitic da ferritic, ƙarfi matuƙa
- An yi amfani da shi a maganin ruwa, tukwane masu matsin lamba, da kayan aikin bakin teku.
2. Mahimman Ma'aunin Yankan Ciki don Injin CNC na Karfe Mara Tsatsa
Daidaita daidai na saurin yanke, saurin ciyarwa, zurfin yanke, kuma step-over shi ne ginshiƙin nasarar sarrafa ƙarfe mara tsatsa. A ƙasa akwai sigogi da masana'antu suka tabbatar don matakan da aka fi yawan amfani da su.
2.1 Saurin yanke (Vc / SFM)
Saurin yanke yana daidaita samar da zafi, ƙarfafawar aiki, da rayuwar kayan aiki.
- 303 Karfe mara tsatsa: 100–150 m/min (328–492 SFM)
- Karfe mara tsatsa 304: 80–120 m/min (262–394 SFM)
- 316 Karfe mara tsatsa: 70–110 m/min (230–361 SFM)
- 17-4 PH bakin ƙarfe mara tsatsa: 80–160 m/min (262–525 SFM)
Ka'idar yatsu: Rage sauri da 15–20% don yankan nauyi ko saitunan da ba su da ƙarfi don gujewa lalacewar zafi da ƙarfafawar aiki.
2.2 Abincin kowace haƙori (fz)
Kulawar saurin ciyarwa tana sarrafa samuwar faranti, kammala saman, da ƙarfin yankan.
- Roughing: 0.12–0.15 mm/hakori
- Kammala: 0.08–0.10 mm ga kowanne hakori
- Matakai masu bango siriri/ƙarfi mai yawa: 0.05–0.08 mm/hakori
Guji abincin ƙasa da ke haifar da gogayya da saurin ƙarfafa aiki.
2.3 Tsayin yankan (DOC)
Raba aikin cire yawun farko da na ƙarshe don haɓaka inganci da daidaito.
- Girgiza: 1.5–4 mm (daidaita bisa diamita da ƙarfin kayan aiki)
- Kammala: 0.1–0.5 mm don daidaiton girma
- Ramuka masu zurfi: Yankan layuka tare da raguwar DOC a hankali
2.4 Tsallake mataki
- 30–40% na diamita na kayan aiki don yanke mai daidaito
- Yana hana haɗuwar kayan aiki fiye da kima da girgiza
3. Zaɓin Kayan Aiki da Tsarin Siffa don Sarrafa Karfe Mara Tsatsa ta CNC
Kayan aikin da ya dace yana kawar da ƙara, yana rage lalacewa, kuma yana inganta fitar da ƙananan yanka.
3.1 Kayan Aiki
- Kayan aikin carbide mai ƙarfi (10–12% adadin cobalt): Ana fi so don sarrafa kayan masana'antu, mai juriya ga zafi, rayuwar kayan aiki sau 2–3 fiye da na HSS
- Karbaidi mai rufi: Rufin TiAlN, AlTiN, TiCN don juriya ga lalacewa a zafin jiki mai girma
- Kayan aikin HSS-CoDon ayyuka masu ƙarancin sauri da ƙarancin yawan aiki
3.2 Adadin flut ɗin aiki da kowane aiki
- Tsani: 4–5 na'urorin nika ƙarshen bututun flute (yawan saurin ciyarwa tare da flute 5)
- Sanya cikin rami: kayan aikin flute guda 4 (fitar da barbashi mafi kyau)
- Kammala: 5–14 flutes, kusurwar helix >40° don saman da ba su da tsatsa
- HEM (Nika Mai Babban Inganci): 5–7 na'urorin farawa masu tsaga-tsaga na flutu
3.3 Siffofin Muhimman Kayan Aiki
- Angular rake mai kyau: 10–20° don rage ƙarfin yankan
- Angular sauƙi: 8–12° don rage gogayya
- Radius na hanci: 0.2–0.4 mm (ƙarewa), 0.8–1.2 mm (fara sarewa)
- Tsarin fashewar ƙananan yankakken ƙarfe: Yana kawar da dogayen yankakken ƙarfe masu lankwaso.
3.4 Riƙe kayan aiki
- Masu riƙe kayan aiki na hydraulic/na matse zafi don ƙaramin karkacewa
- Ƙaramin tsallakewar kayan aiki don hana lankwasawa
- Rike kayan aiki mai ƙarfi don sassa masu bango siriri
4. Ma'aunin Sanyaya da Shafawa
Karatun baƙin ƙarfe yana riƙe da zafin yankan digiri 70–80%, don haka sanyaya shi yadda ya kamata yana da matuƙar muhimmanci.
4.1 Nau'in mai sanyaya
- Ruwan sanyaya rabin-sinadarai / sinadarai: Fitar da zafi mai yawa, ya dace da sarrafa injina da sauri
- Man da ruwa ke narkewa: matsakaicin 8–15% don yanke nauyi
- Man mai tsayeMafi girman shafawa don ayyukan da ke gudana a ƙaramin sauri
4.2 Ma'aunin Isar da Mai Sanyaya
- Lamba: 70–100 bar (lamba mai ƙarfi don haƙo / ramuka masu zurfi)
- Adadin kwarara: 15–20 L/min
- Maye: 8–12%
- Matakin pH: 8.5–9.5
- Mai sanyaya ta cikin kayan aiki: Ana so don sarrafa ramuka masu zurfi
4.3 Hanyoyin Sanyaya
- Sanyaya da ambaliya: Niƙa/juya gabaɗaya
- Mai sanyaya mai matsa lamba mai ƙarfi: Huda, yin taps, haɗadden ƙarfe mai ƙarfi
- MQL (Mafi ƙarancin adadin shafawa): Tsabta, mai dacewa da muhalli don wasu ayyuka
5. Dabarun hanyar gudan kayan CNC don bakin ƙarfe
Hanyoyin motsin kayan aiki da aka inganta suna rage taurin aiki, girgiza, da nauyin kayan aiki.
5.1 Nika hawa da nika na gargajiya
- Niƙa hawa: Matsayin tsoho don bakin ƙarfe—ƙarfin da ya ragu, gogewa kaɗan, ƙarancin taurin aiki
- Niƙa na gargajiya: Don aikace-aikace masu muhimmanci ga gefuna kawai
5.2 Hanyoyin aiki na ci gaba
- Niƙa na trochoidal / cycloidalDawainiyar ƙwayoyin dindindin, ya dace da matakai masu ƙarfi sosai
- Shigar lanƙwasa / mai zagayeYana gujewa bugun kayan aiki da yagewa
- Fita ta tangentYana kawar da alamomin tsayawa a saman da aka kammala
6. Ma'auni don ayyukan sarrafa ƙarfe mara tsatsa na gama gari
6.1 Juya CNC
- Saurin yanke: 120–180 m/min
- Saurin ciyarwa: 0.1–0.3 mm/rev
- Zurfin yankan: 1.5–3 mm (kera farko), 0.5–1 mm (kammala)
- Sassaka rake masu kyau don rage ƙarfin yankan
6.2 Niƙa ta CNC
- Saurin yanke: 90–110 m/min (304)
- Ciyarwa ga kowace hakori: 0.05–0.15 mm
- Yi amfani da end mills masu canjin tsayin hakora don rage girgiza.
6.3 Huda da Nade
- Saurin yanke: 50–70 m/min
- Huda ramuka masu diamita fiye da sau uku
- Taps masu ƙirƙirar zaren don hana karyewa
- Mai sanyaya na ciki mai matsa lamba mai ƙarfi
6.4 Niƙa da Sheƙawa
- Taya mai niƙa: Aluminiyom oksayid / CBN
- Rashin santsi na saman: Ra 0.4–0.8 μm (na al'ada), Ra ≤0.2 μm (na daidaito mai girma)
- Gyaran madubi: Ra ≤0.05 μm
7. Yadda ake hana ƙurar ƙarfe a lokacin sarrafa bakin ƙarfe mara tsatsa
Tattarawa aiki shine babban ƙalubale a sarrafa bakin ƙarfe mara tsatsa na austenitic. Bi waɗannan sigogi:
- Kula Adadin ciyarwa mai daidaito (guji ƙananan yankan gogewa)
- Yi amfani da Kayan aiki masu kaifi tare da kyakyawan tsarin rake
- Ci gaba da riƙe saurin yankan a cikin mafi dacewar kewayon
- Yi amfani da ruwan sanyaya mai matsa lamba mai ƙarfi don rage zafi.
- Yi amfani da climb milling da hanyoyin yanke masu ci gaba
- Rage lokacin tsayawar kayan aiki
8. Kula da Inganci da Ma'aunin Daidaito
HLW yana kiyaye matakan daidaito masu tsauri har zuwa ±0.01 mm don sassan bakin ƙarfe marasa tsatsa tare da waɗannan sarrafawa:
- Binciken yayin aiki a kowane sassa goma
- Binciken ƙarshe na 100% tare da CMM
- Gwajin ƙurar saman (Ra)
- Kula da lalacewar kayan aiki a ainihin lokaci
- Kulawar zafin dakin aiki: 20°C ±1°C
9. Ma'aunin Inganta Farashi don Sarrafa Karfe Mara Tsatsa
Daidaita inganci da ingantaccen aiki ta amfani da waɗannan dabarun da aka tabbatar:
- Inganta sigogin yanke don tsawaita rayuwar kayan aiki da kashi 20–30%
- Yi amfani da kayan aiki masu ayyuka da yawa don rage lokacin saiti
- Haɗa sassa don rage ɓarnar kayan
- Aiwatar da kera mai araha da sa ido kan OEE
- Jadawalin canjin kayan aiki na hasashe
Karshe da kiran yin aiki
Kammala gyaran sauti Sigogi don sarrafa bakin ƙarfe mara tsatsa ta CNC Mabuɗin kawar da lalacewar kayan aiki, rage sharar aiki, da samar da sassa masu daidaito sosai waɗanda suka cika ƙa'idodin masana'antu na duniya. A HLW, muna keɓance kowane sigina—daga saurin yankan da kayan aiki har zuwa sanyaya da hanyoyin tafiyar kayan aiki—gwargwadon matakin bakin ƙarfe marar tsatsa, siffar sashi, da buƙatun aikinku.
Ko kuna buƙatar sassa masu daidaito don masana'antar jiragen sama, kiwon lafiya, sarrafa abinci, ko amfani na ruwa, ƙungiyarmu ta ƙwararru tana samar da inganci mai ɗorewa, isarwa akan lokaci, da mafita masu araha. Tuntubi HLW a yau don tattauna aikin CNC na ƙera kayan bakin ƙarfe, samun farashi kyauta, ko buƙatar inganta sigogi na musamman don sassan ku.
📞 Wayar tarho: +86 18664342076
📧 Imel: info@helanwangsf.com
🌐 HLW – Abokin Dogaranku wajen Injin CNC na Karfe mara tsatsa mai daidaito
