Yin simintin gyare-gyare ba kawai game da zuba narkakkar ƙarfe ba ne kawai a cikin gyaggyarawa. Yana da inda kimiyyar kayan aiki ta haɗu da horo na girma-kuma inda kuskure ɗaya cikin ƙira, zaɓin gami, ko ƙimar sanyaya zai iya kashe makonni a sake yin aiki, ba daloli kawai ba. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun jefa sama da 12,000 matsa lamba bawul gidaje da piston famfo cylinders tun 2018-kowanne rike m tolerances karkashin 0.05 mm da kuma tsira 300+ mashaya hydraulic hawan keke. Wannan ƙwarewar ta koya mana wani abu mai mahimmanci: daidaitaccen simintin gyare-gyare yana farawa tun kafin tanderu ya haskaka.
Zane don Castability-Ba kawai don Aiki ba
Injiniyoyi sukan inganta sassa don haɗawa ko rarraba damuwa-sannan kashe zanen da ke tsammanin masu simintin su “sa shi aiki.” Amma yashi da simintin saka hannun jari suna da iyaka ta jiki. Mun taɓa karɓar fayil ɗin CAD don gidan famfo na cobalt-alloy tare da sassan bangon 2.3-mm da haƙarƙari na ciki da aka raba 4.7 mm baya. Bangaren ya fashe a lokacin shakeout-ba daga zubowa mara kyau ba, amma saboda zafin zafin jiki ya zarce tagar ƙarfafawar AMS 5387. Mun sake fasalin ƙirar haƙarƙari, mun ƙara wuraren sanyi, kuma muka canza layin rabuwa da digiri 8. Yawan amfanin gona ya tashi daga 62% zuwa 98%.
Mabuɗin bincikar da muke yi kafin a faɗi:
- Mafi qarancin kauri: ≥4.5 mm na karfe simintin gyaran kafa, ≥3.2 mm ga cobalt-nickel gami kamar T800
- Radius-to-bango rabo: Sasanninta na ciki dole ne su kasance ≥0.6 × kauri bangon da ke kusa don guje wa hawaye masu zafi
- Rashin haƙuri: Yashi molds jure wa ≤15 ° daftarin; tsarin saka hannun jari yana buƙatar ≥0.5° kowane gefe-ko mashin injinan CNC
- Keɓewar fasali: Guji shugabanni na bakin ciki, keɓaɓɓen shugabanni ko flanges - suna yin sanyi da sauri, suna nisantar da abubuwa masu yawa, kuma suna buɗe hanyoyin rage ƙanƙanta.
Idan GD&T ya yi kira ga matsayi na gaskiya akan siffar da aka jefa kai tsaye a cikin ƙirar, tabbatar da ko za a sarrafa wurin bayan simintin. Muna injin kashi 87% na simintin ƙarfe da ƙarfe ɗin mu zuwa ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun abubuwa-saboda simintin simintin gyare-gyare da kyar ke riƙe daidaiton matsayi na ± 0.1 mm a cikin 300 mm.
Zaɓin Alloy Yana Canza Komai-Musamman Lokacin da Ba Za ku Iya Injin Sa Daga baya ba
Cobalt-nickel gami kamar AMS 5387 ko T800 ba a zaɓa don ƙayatarwa ba. An ƙayyade su lokacin da juriya na yashwa, ƙarfin rarrafe sama da 650 ° C, ko abubuwan da ba na aikin maganadisu ba-kamar a cikin bututun mai da iskar gas ko manyan injin bututun ƙarfe. Amma waɗancan kaddarorin iri ɗaya suna sa su da wahalar yin injin bayan yin simintin. Filogi guda T800 yana ɗaukar sa'o'i 11.2 na milling multi-axis ta amfani da kayan aikin PCD da coolant cryogenic. Don haka idan sashin lissafi ya ba da izini, muna haɗa injina cikin tsarin simintin gyare-gyare da kanta-ƙara ramukan dowel na wuri, fakitin datum, ko ma daɗaɗɗen ƙira kai tsaye cikin tsarin saka hannun jari.
Muna samo duk ingots na superalloy tare da cikakkun rahotannin gwajin niƙa (MTRs) waɗanda za a iya gano su zuwa lambar zafi da nazarin sinadarai. Babu wani tsari da ke shiga cikin tanderun da ba tare da tabbatarwa ba. Me yasa? Saboda karkacewar 0.03% a cikin abun ciki na carbon a cikin T800 yana canza taurin simintin sa daga 32 HRC zuwa 41 HRC-isa ya farfasa abin saka carbide tsakiyar yanke.
Ba a Duba Ingancin A ciki-An Gina shi, Layer ta Layer
Yawancin masana'antun suna duba simintin gyare-gyare a maki uku: abu mai shigowa, m girma bayan girgizawa, da duban gani na ƙarshe. Mun ƙara hudu:
- Sikanin mutuncin Mold: Hoton hoto na X-ray akan 100% na ƙirar harsashi na saka hannun jari kafin lalata
- Zuba log ɗin zafin jiki: Bayanan thermocouple na ainihi an daidaita su zuwa kowane lambar zafi
- Taswirar taurin sashe: 12-maki Rockwell C karatu a fadin giciye-sashe na kowane kuri'a
- Hydrotest mai aiki: Duk jikin bawul ɗin matsa lamba suna jurewa 1.5 × ƙimar ƙimar matsa lamba na daƙiƙa 120 - tare da ƙwarewar gano leak zuwa 0.003 cc/min
Muna kiyaye cikakken ganowa-ba don tantancewa kawai ba, amma saboda lokacin da abokin ciniki ya ba da rahoton faɗuwar gajiya a sa'o'i 14,200 na aiki, za mu iya ja asalin zub da log ɗin, lanƙwasa mai sanyaya, da taswirar taurin magani bayan zafi a cikin ƙasa da daƙiƙa 90. Wannan saurin yana raba tushen tushen gyara daga zato.
Me yasa Hybrid Casting + Machining ke bugun Ko dai Shi kaɗai
Wasu shagunan suna ɗaukar simintin gyare-gyare da CNC a matsayin matakai na jere. Muna dauke su a matsayin nau'o'in da ke tattare da juna. Gidajenmu na Silinda suna farawa kamar yadda yashi-simintin ƙarfe ductile baƙin ƙarfe ba a ƙare ba - amma ba a ƙare saman da aka yi ta hanyar juyawa ba. An jefa shi tare da iznin girman girman 0.8 mm, sannan a girmama shi * a cikin daidaitaccen tsari* wanda aka yi amfani da shi don niƙan CNC na ƙarshe na hawa fuskoki da zaren tashar jiragen ruwa. Wannan yana kawar da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai - kuma yana riƙe da hankali tsakanin ID mai ƙyalƙyali da flange OD zuwa 0.015 mm a tsayin 280 mm.
Wannan aikin haɗin gwiwar yana ba mu damar isar da sassa kamar injiniyoyin abin hawa winch shaft rollers tare da mujallu masu ɗauke da ƙasa * da * haƙoran haƙoran da aka jefa - duk sun haɗu da juzu'in ISO 2768-mK gabaɗaya, duk da haka suna musayar tarihin zafi guda ɗaya da tsarin hatsi. Babu maganin zafi na biyu. Babu kasadar murdiya. Gudun samarwa ɗaya kawai, rikodin inganci ɗaya, kwanan watan bayarwa ɗaya.
Simintin gyare-gyare yana samun nasara lokacin da ƙarfe, lissafi, da ƙirar ƙira suka daidaita - ba lokacin da aka yi shawarwari daban ba. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., ba kawai mu jefa karfe ba. Mun jefa kwarin gwiwa-a cikin kwanciyar hankali mai girma, daidaiton tsari, da aikin maimaituwa a ƙarƙashin matsin lamba. Ko kuna ƙayyadaddun tushen famfon bakin karfe ko cancantar bututun ƙarfe na cobalt don matsanancin sabis, dama kafa simintin gyaran kafa abokin tarayya baya jiran zanenku. Suna taimakawa rubuta shi.
