Ƙirar walda ta Laser tana raba abin dogara da samarwa daga sake yin aiki mai tsada. Mun ga abokan ciniki sun shafe makonni suna yin gyaran gyare-gyaren walda, rashin daidaituwa, ko ɓarna - kawai don gano tushen dalilin komawa ga abin da ba a yi aiki ba. Ba a ƙara madaidaici a bayan aiwatarwa; an kulle shi a *kafin * wutar lasar. A Botou Haijun Metal Products Co., Ltd., muna gina kayan aikin walda na Laser ba a matsayin masu riƙewa ba, amma a matsayin masu ba da gudummawa mai ƙarfi ga maimaitawa, sarrafa zafi, da amincin lissafi.
Me yasa Madaidaicin Matsalolin Kasawa A ƙarƙashin Yanayin Laser
Ƙarfin ƙwanƙwasa injina kaɗai baya ba da garantin kwanciyar hankali yayin bayyanar laser 1-10 kW. Bambance-bambancen faɗaɗa thermal tsakanin kayan tushe mai tushe da kayan aiki na iya matsawa wani sashi da 0.08 mm a cikin daƙiƙa 3 - ya isa buɗe tazarar mm 0.2 a haɗin haɗin weld. Mun auna wannan akai-akai ta amfani da maƙallan thermocouples da babban saurin CMM akan majalissar bakin karfe. Yawancin kayan aikin kashe-kashe suna amfani da aluminium 6061-T6 don haske-amma ƙimar haɓakar haɓakar thermal (23.6 µm/m · ° C) kusan ninki biyu na 304 bakin karfe (17.3 µm/m · ° C). Wannan rashin daidaituwa yana haifar da ƙananan motsi, rashin daidaituwa da mayar da hankali, da porosity.
Hakanan kayan aikin sun gaza lokacin da suka yi watsi da ƙayyadaddun ƙayyadaddun ƙayyadaddun Laser: isa ga layin-hangen gani don abubuwan gani da aka haɗa, sharewa don kawar da kwararar iskar gas, da jiyya mara nauyi. Fitin gano bakin bakin 316L mai gogewa na iya yin kama da ƙima-amma yana nuna 65% na ƙarfin katako na 1070 nm baya ga na'urorin gani. Mun canza zuwa matte-finish Inconel 718 fil bayan maye gurbin ruwan tabarau biyu a cikin mako guda.
Ƙa'idodin Ƙirar Ƙira guda huɗu waɗanda ba za a iya sasantawa ba Mu Aiwatar da su
Kowane kayan walda na Laser da muke bayarwa yana bin waɗannan ƙa'idodin ingantaccen filin:
Ƙarfafawar thermal: Ƙimar tushe suna amfani da ƙananan kayan aiki kamar G10 fiberglass ko yumbu mai cika PEEK inda dole ne a rage girman canja wurin zafi kai tsaye. Mahimman gano wuri suna hawa akan keɓaɓɓen faranti na bakin karfe tare da hutun zafi. Matsala mai ƙarfi: Masu kunna wutar lantarki ko servo-electric suna amfani da 15-25 N/mm² matsa lamba - wanda aka auna a ainihin lokacin - ba saitin ƙarfin bazara ba. Ƙunƙarar-ƙulle-ƙulle yana lalata ma'auni na bakin ciki; Ƙarƙashin ƙullawa yana ba da damar girgiza-jawowar walda. Ma'anar Mutuncin Surface: Duk saman datum suna ƙasa zuwa Ra ≤ 0.4 µm kuma an tabbatar da su tare da interferometry na gani. Mun ƙi duk wani wuri tare da> 0.005 mm jimlar karatun mai nuna alama a fadin 100 mm-saboda kuskuren 0.003 mm a wurin mai gano ya zama 0.012 mm a 400 mm weld dinki. Mai daidaitawa na Modular: Babu fitilun walda. Kowane mai ganowa yana amfani da abubuwan da aka zana M4-M8 tare da fitilun dowel ɗin ƙarfe mai tauri (HRC 60-62), yana ba da damar cikakken sake kunnawa cikin ƙasa da mintuna 90 ba tare da gyarawa ba. Lokacin Zaba Custom vs. Modular Laser Welding Fixtures
Wasu injiniyoyi suna ɗaukar kayan aiki na zamani suna adana lokaci. Amma mun bibiyi ayyukan 17 inda tsarin "sauri-daidai" ke buƙatar zagaye uku na shimming, sa'o'i biyar na sake fasalin hanyar laser, kuma ƙarfin weld na ƙarshe ya ragu na 12-18%. Modular yana aiki ne kawai lokacin da juzu'i na geometry ya kasance iri ɗaya a cikin bambance-bambancen ≥10-har ma a lokacin, raɗaɗin zafin jiki yana taruwa da sauri fiye da ƙirar ƙira-ƙira.
Haɓaka walƙiya na walƙiya na al'ada yana biyan baya a ƙarƙashin sa'o'in samarwa na 420 don sassa tare da ≥3 weld seams ko tolerances tighter fiye da ± 0.1 mm. Lokacin jagoran mu na yau da kullun? Kwanaki 12 na aiki daga zanen GD&T da aka amince da shi zuwa rahoton dubawa na farko - gami da ingantaccen CMM na duk abubuwan datum da ISO 1101.
Ba ma faɗin abubuwan gyarawa a ware. Kowane buƙatu yana haifar da bita na DFM: Shin haɗin gwiwa yana samun dama a 15° mafi ƙarancin kusanci? Shin taurin ɓangaren yana goyan bayan ɗaurewa ba tare da farfadowa na roba ba? Shin wuraren kabu na walda ba su da aljihun iskar gas? Muna tuta batutuwan kafin yanke karfe-saboda gyara su daga baya farashin 7 × ƙari.
Ma'aunin Aiki na Duniya na Gaskiya Zaku Iya Tabbatarwa
Matsalolin mu akai-akai suna ba da sakamako masu aunawa-ba da'awar talla ba:
Maimaita matsayi na Weld: ± 0.03 mm sama da hawan keke 1,000 (tabbatar ta hanyar tracker Laser) Matsakaicin daidaitawa-zuwa-daidaitacce: ≤0.05 mm max ƙetare raka'a 5 da aka gina zuwa bugu iri ɗaya Matsakaicin lokaci tsakanin daidaitawa: 14,200 welds (dangane da bayanan ciki na 2023 a cikin shirye-shiryen braket na mota 47) Tsarewar ƙarewar saman: Ra ≤ 0.6 µm akan masu gano mahimmanci bayan shekaru 2 na amfanin yau da kullun Dukkanin na'urori suna jigilar kaya tare da takaddun tantancewa da ake iya ganowa zuwa NIM China, gami da haɓaka ƙimar haɓakar zafi a kowane yanki na kayan aiki da taswirar ƙarfi da aka samar daga gwajin ma'auni.
Ayyukan walda na Laser ba na ka'ida ba ne - ana auna shi a cikin microns, milliseconds, da ƙimar yawan amfanin ƙasa. Botou Haijun Metal Products Co., Ltd. yana gina gyare-gyaren da ke riƙe gaskiya lokacin da Laser ya buga, ba kawai lokacin da ɓangaren ke zaune ba. Idan aikin ku na gaba ya buƙaci Laser waldi na'ura dogara-ba kawai riƙe iko ba-fara da niyyar injiniyanci, ba lambobin kasida ba. Madaidaicin farawa inda sashin ya hadu da farantin tushe.
