Flatness ba abin alatu ba ne a cikin manyan bawuloli na hydraulic ko madaidaicin gidajen famfo - ba za a iya sasantawa ba. Bambancin kawai 0.02 mm a kan saman matakin matakin farantin 300-mm na iya haifar da gazawar hatimin da ba a kai ba, rarraba kaya mara daidaituwa, ko rashin daidaituwar bala'i a cikin majalissar famfo na cobalt-alloy piston famfo. Mun gan shi sau biyu a cikin watanni 18 da suka gabata: OEM ɗaya na Arewacin Amurka ya jinkirta jigilar kaya da makonni shida bayan ya ƙi gidaje 47 na silinda-kawai don gano tushen tushen ba kuskuren injina bane, amma rashin daidaiton matakin farantin karfe a cikin shirye-shiryen simintin gyare-gyare.
Me yasa "Kamfanin Ƙarfe Masu Levelers" Ƙarshen Neman Ruɗi ne - da Abin da Injiniya A Gaskiya Ke Bukata
Yawancin ƙungiyoyin sayayya suna rubuta "masana'antar sassa na ƙarfe na farantin karfe" cikin Google suna tsammanin gyaran maɓalli na maɓalli. Amma kula da kwanciyar hankali na zahiri yana farawa tun kafin daidaitawa - yana farawa da zaɓin kayan abu, tsarin simintin hatsi, da tarihin zafi. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mu bi da farantin leveling ba a matsayin karshe touch-up mataki, amma a matsayin ƙulla wani tam guda biyu tsari: yashi-simintin baƙin ƙarfe tushe sha wahala-taimakawa annealing * kafin * CNC fuska-milling; AMS 5387 cobalt alloy blanks ana gudanar da su a 950 ° C na sa'o'i 4 bayan yin simintin simintin gyare-gyare don daidaita tsarin microstructure - sannan a sanyaya iska a ƙarƙashin sarrafawar iska don rage girman shafin. Daga nan ne kawai za mu yi amfani da madaidaicin matakin ta hanyar faranti biyu na hydraulic tare da maimaita ± 0.5 µm.
Wannan ba kayan kwalliya ba ne. Yana da ƙarfin aiki. Jikunan bawul ɗin mu na matsa lamba suna buƙatar ≤0.015 mm jimlar karatun nuna alama (TIR) a tsakanin flanges mating. Winch center shaft rollers suna buƙatar ≤0.025 mm gudu sama da mita 1.2—an auna akan Zeiss Contura G2 RFS tare da kimanta zafin jiki. Muna tabbatar da kowane bangare tare da injunan auna daidaitawa (CMM), ba kawai a dubawa ta ƙarshe ba-har ma bayan m injin, bayan maganin zafi, da kuma bayan niƙa saman. Wannan tabbaci mai maki uku yana kama da murdiya da wuri-kafin sake yin aiki mai tsada.
Hudu Marasa Tattaunawa don Gudanar da Matsayin Fareti na Gaskiya
- Abubuwan gano abubuwan da aka gina su cikin daidaita ayyukan aiki: Kowane T800 cobalt alloy billet yana ɗauke da rahoton gwajin niƙa (MTR) tare da cikakkun bayanan sinadarai da tensile. Muna ketare lambobi batch na MTR akan madaidaitan rajistan ayyukan-don haka idan ɗimbin raɗaɗi ya bayyana a cikin Lutu #QSY-2388, mu keɓance ko yana raguwar simintin simintin gyare-gyare, ƙimar sanyaya tanderu, ko lalacewa.
- Tsarin-haɗe-haɗen awoyi: A'a "matakin sai a auna." Muna matakin yayin dubawa-ta yin amfani da interferometry na Laser wanda aka daidaita tare da motsi na farantin hydraulic. Wannan yana gano koma baya a cikin ainihin lokaci, musamman mahimmin mahimmanci ga tushen famfo mai sirara mai katanga inda ragowar damuwa ke sake dawowa cikin mintuna na saukewa.
- Kiyaye mutuncin samanMatsakaicin al'ada yana damfara yadudduka na ƙasa, yana haifar da ƙananan fasa a cikin tauraruwar cobalt gami. Hanyarmu tana amfani da ƙaramar ƙarfi, ƙaƙƙarfan oscillation-25 Hz a 0.3 mm amplitude - don shakatawa damuwa na ciki ba tare da nakasar filastik ba. An tabbatar da binciken amo na Barkhausen akan kowane bututun bututun AMS 5387.
- Dabarun daidaita matakin GD&T-sane: Ba mu daidaita zuwa "sifili" - muna matakin zuwa datums masu aiki. Ba a daidaita matsugunin silinda zuwa mafi girman fuskarsa; an daidaita shi zuwa ga axis ɗin ɗaki, wanda aka yi nuni da shi daga madaidaicin madaidaicin. Wannan yana nufin ana amfani da ƙarfin daidaitawa ba tare da an daidaita shi ba—ana ƙididdige kowane sashe na geometry ta amfani da simulation pre-gudu mai iyaka.
Abin da Ya Kasa - Kuma Me Yasa Yawancin Masana'antu Ke Kewar Shi
Wasu shagunan suna fitar da matakin zuwa cibiyoyin sabis na ƙarfe na gaba ɗaya. Suna samun sassan "lebur" - amma sun kasa gwajin aiki. Me yasa? Domin waɗancan cibiyoyin sun inganta don ƙaƙƙarfan yanayi, ba shimfidar aiki ba. Wani abokin ciniki na Turai ya aiko mana da tushen famfo da aka ƙi: saman TIR ya kasance 0.012 mm, duk da haka sun leka a mashaya 280. Mun auna lebur * dangantaka da da'irar ƙugiya mai hawa*, ba gefen waje ba - kuma mun sami karkacewar 0.041 mm a kan tsarin 8-bolt. Matsalar ba inji mai daidaitawa ba ce. Ita ce ma'anar datum.
Wasu sun dogara kawai ga CNC fuska niƙa. Amma niƙa yana cire abu-ba ya sauƙaƙa damuwa. Mun auna shafi har zuwa 0.06 mm a cikin simintin ƙarfe mai kauri mai kauri *40mm *bayan* niƙa, saboda cire kayan asymmetrical. Maganin mu? Gabatar da matakin simintin babu komai, niƙa tare da daidaitattun hanyoyin kayan aiki, sannan bayan matakin tare da jiƙa mai zafi. Tsangwama guda uku-ba ɗaya ba.
Daga Kwanciyar Hankali zuwa Amincewar Aiki
Nasarar matakin faranti na gaskiya yana nunawa sama: rayuwar hatimi mai tsayi a cikin nau'ikan na'ura mai aiki da karfin ruwa, daidaitaccen adadin kwararar ruwa a cikin famfunan matakai da yawa, firgita sifili a cikin raƙuman motar winch yana juyawa a 1,200 rpm. A QINGDAO QIANGSENYUAN TECHNOLOGY, ba ma siyar da "faranti mai lebur." Muna isar da kwanciyar hankali a cikin kewayon thermal, matsa lamba, da gajiyar inji-wanda aka tabbatar ta ASTM E1157, ISO 1101, da takamaiman gwajin aikin abokin ciniki.
Idan aikace-aikacenku yana buƙatar daidaitawa a ƙarƙashin kaya-ba kawai akan tebur ɗin dutse ba-fara da halayen kayan aiki, ba ƙayyadaddun na'ura ba. Bukatar ganowa har zuwa matakin narkewa. Ana buƙatar daidaita daidaitattun GD&T-ba gama gari ba. Kuma nace akan aunawa a kowane wuri na yanayin zafi da na inji. Wannan shine yadda daidaito ya zama abin tsinkaya. Wannan shine yadda "masana'antar sassan karfen faranti" ke daina zama kalmar bincike-kuma ya zama abin da ake buƙata na injiniya.
