Hazo taurare bakin karfe mafita masana'anta suna buƙatar fiye da ilimin ƙarfe kawai-suna buƙatar haɗaɗɗen iko akan halayen kayan, kwanciyar hankali, da amincin aiki ƙarƙashin matsanancin yanayin sabis. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun samar da fiye da 12,000 madaidaicin aka gyara a cikin PH bakin karfe - ciki har da 17-4PH, 15-5PH, da kuma al'ada-gyara AMS 5659 maki-ga na'ura mai aiki da karfin ruwa bawul jikuna, high-matsa lamba famfo gidaje. Abin da ke raba mafita mai yuwuwa daga gazawar mai tsada ba zaɓin gami kaɗai ba — shine yadda ɗimbin simintin gyare-gyare, sake maimaita maganin zafi, da injinan axis da yawa suna haɗuwa a matakin sashi.
Me yasa Daidaitaccen Samar da Bakin Karfe na PH ya gaza Karkashin lodin Duniya na Gaskiya
Mun ga yanayin gazawa guda uku masu maimaitawa a cikin ɓangarorin bakin PH wanda abokin ciniki ya kawo: microcracking bayan tsufa, rashin daidaituwar taurin kan sassan bangon bakin ciki, da galling wanda bai kai ba a cikin musaya masu juyawa. Waɗannan ba lahani ba ne na kayan abu-suna aiwatar da giɓi. Misali, OEM famfo ɗaya na Turai ya ba da rahoton ɓata kashi 22% a cikin 17-4PH na silinda a lokacin tsufa na H900 na ƙarshe. Binciken tushen mu ya nuna rashin daidaituwar iska mai iska a cikin tanda - yana haifar da ± 8 ° C thermal gradients a fadin kaya. Mun gyara shi ta hanyar canzawa zuwa tsufa-taimakawa tsufa tare da taswirar thermocouple na ainihi a kowane na'ura. Sakamakon: bambancin taurin ya ragu daga ± 12 HRC zuwa ± 3 HRC; yawan amfanin ƙasa ya inganta daga 71% zuwa 98.4%.
Wannan ƙwarewar ta koya mana darasi mai mahimmanci: taurin hazo ba magani mai zafi ba ne na "sa-da-manta". Yana da tsarin da aka haɗe-haɗe-haɗe-haɓaka zafin jiki dole ne ya riƙe a cikin ± 5 ° C, ƙimar kashewa dole ne ya wuce 50 ° C / sec don murkushe samuwar delta-ferrite, kuma lokacin tsufa / yanayin zafin jiki dole ne ya daidaita daidai da lokacin hazo (misali, Cu-rich clusters for 17₂ 4PH5). Juya ko da minti 10 a 480 ° C, kuma kuna sadaukar da ƙarfin 15-20% ba tare da canji na bayyane ba.
Yadda Haɗin Kai Tsaye ke Magance Matsalar Daidaiton Bakin Karfe na PH
Yawancin masu samar da kayayyaki suna fitar da simintin gyare-gyare, magani mai zafi, da injina-kowane mataki yana ƙara faɗuwar ganowa da juzu'i. Muna yin duka uku a cikin gida, a ƙarƙashin ISO 9001: 2015-certified rufin a Qingdao. Lokacin da abokin cinikin mai na Arewacin Amurka ya buƙaci sandar fistan 15-5PH tare da cylindricity na ≤0.02mm sama da tsayin 450mm, ƙungiyar mu ta simintin yashi ta yi amfani da gyare-gyare na ZrO₂ don cimma ƙarancin ƙasa na Ra 3.2μm — yanke bayan-machining stock kau da kashi 40%. Sa'an nan cibiyar mu ta CNC ta yi amfani da hanyoyin daidaitawa waɗanda ke rama don bambance-bambancen raguwa da aka gano ta hanyar sikanin CMM da aka riga aka yi. A ƙarshe, tantanin mu na zafin zafi ya tsufa kowace ƙuri'a tare da jeji na thermocouple guda ɗaya-wanda ake iya gano shi zuwa lambar zafin ɗanyen abu da ID na sake zagayowar tanderun.
Wannan ba haɗin kai ba ne. Ikon aunawa ne:
- Abubuwan ganowa daga takardar shaidar ingot zuwa rahoton ɓangaren da ya ƙare
- Dimensional drift riko zuwa ≤0.015mm a cikin batches 100
- Matsakaicin daidaiton ƙarfin tsufa ya ragu daga 4.7 HRC zuwa 1.3 HRC
- Ƙarshen saman da aka kiyaye a Ra 0.4μm akan mahimmin fuskokin rufewa
Inda PH Bakin Karfe Ya Hadu da Ayyukan Aiki-Mahimmanci
Abokan ciniki ba sa siyan bakin karfe na PH-suna siyan ƙunshewar matsatsi mara ɗigo, martanin bawul mai sifili, ko rayuwa mai jure gajiya. Shi ya sa muka shigar da ingantaccen aiki cikin kowane oda. Don bututun ƙarfe na cobalt-alloy AMS 5387 wanda aka haɗa tare da flange mai hawa 17-4PH, ba kawai mu tabbatar da ilimin sunadarai da ƙarfin tauri ba. Muna gudanar da hawan keken zagayowar zagayowar 500 tsakanin -40 ° C da + 180 ° C, sannan bincika microseparation na tsaka-tsaki ta amfani da ultrasonic C-scan. Muna gwada madaidaicin fuska a ƙarƙashin nau'in aiki na siminti-ba kawai a yanayin zafi ba. Kuma ga winch center rollers, muna tabbatar da taurin kai akan bayanan martaba masu ƙarfi da aka shiga daga ainihin raka'o'in filin.
Wannan ruwan tabarau mai aiki yana canza komai. Wani abokin ciniki ya taɓa tambayar "misali 17-4PH" don bawul ɗin keɓewar teku. Binciken injiniyanmu ya nuna alamar cewa ƙayyadadden zafin H1025 ba zai tsira daga lankwasawa ba a cikin zurfin ruwa na mita 3,000. Mun ba da shawarar sake zagayowar tsufa sau biyu (1025°F × 4h → iska mai sanyi → 900°F × 4h) wanda ya ƙãra ƙarfin karaya da 37% yayin riƙe> 1,200 MPa UTS. Sun amince da canjin-kuma sun tsawaita lokacin kulawa daga watanni 18 zuwa 36.
Zaɓan Abokin Haɗin Kanku Masu Taurare Bakin Karfe Abokin Hulɗa
Idan aikace-aikacenku ya ƙunshi hawan keke na matsin lamba, bayyanar ruwan gishiri, ko lalacewa ta juyi, PH bakin karfe mai yuwuwar zaɓi mafi ƙarfi ne-amma kawai idan abokin aikin masana'anta yana sarrafa cikakken sarkar. Yi waɗannan tambayoyin kafin sanya hannu kan PO:
- Za a iya nuna mani zanen gadon magani na zafi don kuri'a uku na kwanan nan na 17-4PH, gami da matsayi na thermocouple da ƙimar ramp?
- Kuna aiwatar da tabbacin CMM a cikin tsari bayan roughing-kuma kuna daidaita hanyoyin kayan aiki daidai?
- Menene bambancin taurin ku mafi muni a cikin simintin 15-5PH guda ɗaya wanda yayi nauyi> 80 kg?
- Ta yaya kuke tabbatar da juriya na lalata don welded PH bakin majalisai?
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana amsa waɗannan tambayoyin da bayanai-ba ƙasidu ba. Muna buga rahotannin aikin ƙarfe na kwata-kwata don iyalai marasa ƙarfi na PH akan tashar fasahar mu. Muna ba da matakan cancantar tsarin haɗin gwiwa don amincewa da labarin farko. Kuma muna haɓaka tsare-tsaren dubawa masu daidaitawa zuwa ASME BPVC Sashe na VIII, API 6A, ko ISO 15156-duk wanda ya shafi tsarin ku.
Makomar hazo hardening bakin karfe ikon masana'anta ba ya ta'allaka ne a cikin manyan tanderu ko sauri spindles-amma a tighter feedback madaukai tsakanin ƙira niyya, microstructure iko, da kuma filin yi. A nan ne muka mayar da hankali. Wannan shine abin da ke isar da sassan da ba wai kawai sun haɗu da ƙayyadaddun bayanai ba - amma sun wuce su.
