Pophatikiza chodulira chakumapeto ndi mlatho wodula mlatho, chida chapadera cha grooving chakumapeto chimapangidwa ndikupangidwa kuti chilowe m'malo mwa chodulira chakumapeto, ndipo ma grooves amaso a zigawo zazikulu zamapangidwe amakonzedwa ndikutopetsa m'malo mwa mphero pa CNC mbali ziwiri wotopetsa ndi mphero Machining Center.
Pambuyo kukhathamiritsa ndondomeko, mapeto a nkhope poyambira processing nthawi yafupika kwambiri, amene amapereka imayenera processing njira pokonza mapeto a nkhope grooves a mbali yaikulu structural pa wotopetsa ndi mphero Machining pakati.
01 Chiyambi
M'zigawo zazikulu zamakina opangira uinjiniya (onani Chithunzi 1), ndizofala kupeza ma groove akumapeto mkati mwa bokosilo. Mwachitsanzo, mbali yakumapeto yomwe ikusonyezedwa “Ⅰ yokulitsa” mu gawo la GG la Chithunzi 1 ili ndi miyeso yake: mkati mwake ndi 350mm, m’mimba mwake ndi 365mm, m’lifupi mwake ndi 7.5mm, ndi kuya kwa phoko 4.6 mm.
Poganizira gawo lofunikira la groove yakumapeto pakusindikiza ndi ntchito zina zamakina, ndikofunikira kuti tikwaniritse kukonza kwakukulu komanso kulondola kwamakhalidwe [1]. Chifukwa chake, kukonza kwapambuyo-weld kwa zigawo zomangika ndikofunikira kuti zitsimikizire kuti groove yakumapeto ikukwaniritsa zofunikira zomwe zafotokozedwa pachithunzichi.
Mphepo yakumapeto kwa chogwirira ntchito chozungulira nthawi zambiri imakonzedwa pogwiritsa ntchito lathe yokhala ndi chodulira chakumapeto. Njira imeneyi ndi kothandiza nthawi zambiri.
Komabe, pazigawo zazikulu zokhala ndi mawonekedwe ovuta, sizingatheke kugwiritsa ntchito lathe. Zikatero, malo otopetsa ndi mphero amagwiritsidwa ntchito pokonza poyambira kumapeto.
Ukadaulo wokonza zogwirira ntchito mu Chithunzi 1 wakongoletsedwa ndikuwongoleredwa pogwiritsa ntchito zotopetsa m'malo mwa mphero, zomwe zapangitsa kuti pakhale kuwongolera bwino kwa poyambira kumaso.
02 Konzani ukadaulo wakutsogolo wa groove
Zomwe zimapangidwira gawo lomwe lawonetsedwa mu Chithunzi 1 ndi SCSiMn2H. Zida zogwirira ntchito zomaliza zomwe zimagwiritsidwa ntchito ndi CNC yokhala ndi mbali ziwiri yotopetsa komanso yopangira makina opangira makina a Nokia 840D sl. Chida chomwe chikugwiritsidwa ntchito ndi φ6mm mphero yomaliza, ndipo njira yozizirira yomwe imagwiritsidwa ntchito ndi kuziziritsa nkhungu yamafuta.
Njira yopangira ma groove kumapeto: Njirayi imaphatikizapo kugwiritsa ntchito mphero yophatikizika ya φ6mm pakuphatikiza kozungulira kozungulira (onani chithunzi 2). Poyambirira, mphero yaukali imachitidwa kuti mufike kuzama kwa 2mm, kenako ndikufikira kukuya kwa 4mm, kusiya 0.6mm kuti mpheroyo ikhale yabwino. The akhakula mphero pulogalamu mwatsatanetsatane mu Table 1. Fine mphero akhoza kukwaniritsidwa mwa kusintha magawo odulidwa ndi spiral interpolation coordinate values mu pulogalamuyi. The kudula magawo kwa akhakula mphero ndi zabwinoCNC mphero mwatsatanetsatanezafotokozedwa mu Table 2.
Chithunzi 2 Mapeto mphero ndi kutanthauzira kozungulira kuti mudule poyambira kumaso
Table 2 Kudula magawo a nkhope slot mphero
Kutengera ukadaulo ndi njira zogwirira ntchito, mphero yomaliza ya φ6mm imagwiritsidwa ntchito pogaya kagawo kakang'ono ka nkhope ndi m'lifupi mwake 7.5mm. Pamasinthasintha kasanu ndi kamodzi ka mphero kuti mpheroyo ikhale yovuta komanso matembenuzidwe atatu pamphero yabwino. Kupera movutikira komwe kumakhala ndi mainchesi akulu kumatenga pafupifupi mphindi 19 potembenukira, pomwe mphero imatenga pafupifupi mphindi 14 potembenukira. Nthawi yonse ya mphero yoyipa ndi yabwino ndi pafupifupi mphindi 156. Kuchita bwino kwa spiral interpolation slot mphero ndizochepa, zomwe zikuwonetsa kufunikira kwa kukhathamiritsa ndi kukonza.
03 Konzani ukadaulo wopangira poyambira kumapeto
Njira yopangira groove yakumapeto pa lathe imakhudza chogwirira ntchito pozungulira pomwe chodulira chakumapeto chimapanga chakudya cha axial. Mukafika kuya kwa groove, kudyetsa kwa radial kumakulitsa poyambira kumaso.
Pakukonza groove pamapazi otopetsa ndi mphero, chida chapadera chitha kupangidwa pophatikiza chodula chakumapeto ndi mlatho wodula mlatho. Pachifukwa ichi, chogwirira ntchito chimakhala chokhazikika pomwe chida chapadera chimazungulira ndikupanga axial feeding kuti amalize kukonza poyambira kumapeto. Njira imeneyi imatchedwa boring groove processing.
Chithunzi 3 Mapeto odula kumaso
Chithunzi 4 Chithunzi chojambula cha makina opangira poyambira kumapeto kwa lathe
Kulondola kwa magawo amakina omwe amakonzedwa ndi zingwe zomangika ndi makina mu malo otopetsa a CNC komanso malo opangira mphero amatha kufikira milingo ya IT7 ndi IT6. Kuphatikiza apo, masamba atsopano a grooving ali ndi mawonekedwe apadera am'mbuyo ndipo ndi akuthwa, zomwe zimachepetsa kukana komanso kugwedezeka. The tchipisi kwaiye pokonza akhoza mwamsanga kuuluka kutalizopangidwa ndi makinapamwamba, zomwe zimapangitsa kuti zikhale zapamwamba kwambiri.
Ubwino wa pamwamba pa mphero mkati dzenje poyambira akhoza liziwongoleredwa ndi kusintha magawo osiyana kudula monga liwiro chakudya ndi liwiro. Kumapeto kwa groove kumakonzedwa ndi malo opangira makina pogwiritsa ntchito chodulira chapadera cha groove kumatha kukwaniritsa zofunikira pakujambula.
3.1 Mapangidwe a chida chapadera chopangira groove nkhope
Mapangidwe omwe ali mu Chithunzi 5 akuwonetsa chida chapadera chopangira ma grooves amaso, chofanana ndi chida chotopetsa mlatho. Chidachi chimakhala ndi chida chotopetsa cha mlatho, chowongolera, ndi chogwirizira chomwe sichinali wamba. Chosungira chida chosakhazikika chimakhala ndi chogwiritsira ntchito, chogwirizira, ndi tsamba lopukutira.
Chida chotopetsa cha mlatho ndi slider ndi zida zanthawi zonse, ndipo chogwirizira chokhacho chosakhazikika, monga momwe tawonetsera pa Chithunzi 6, chiyenera kupangidwa. Sankhani chitsanzo choyenera cha tsamba, kwerani chotchingira pankhope pa chotchinga chapankhope, sungani chogwirizira chomwe sichinali chokhazikika pachowongolera, ndipo sinthani kukula kwa chida chankhope posuntha cholumikizira.
Chithunzi 5 Kapangidwe ka chida chapadera chopangira poyambira kumaso
3.2 Kukonza poyambira kumaso pogwiritsa ntchito chida chapadera
Chida chapadera chopangira groove kumapeto kwa nkhope chikusonyezedwa mu Chithunzi 7. Gwiritsani ntchito chida choikira chida kuti musinthe chidacho kuti chikhale ndi m'mimba mwake mwa kusuntha slider. Lembani kutalika kwa chida ndikulowetsani m'mimba mwake ndi kutalika kwa chida mu tebulo lolingana pagawo la makina. Pambuyo poyesa chogwiritsira ntchito ndikuwonetsetsa kuti miyesoyo ndi yolondola, gwiritsani ntchito njira yotopetsa molingana ndi pulogalamu ya makina mu Table 3 (onani Chithunzi 8).
Pulogalamu ya CNC imayang'anira kuya kwa groove, ndipo kukonza movutikira kwa poyambira kumapeto kumatha kumalizidwa mwanjira imodzi yotopetsa. Kutsatira kukanika kwaukali, yezani kukula kwa poyambira ndi kupukuta poyambira posintha magawo odulira ndi okhazikika. The kudula magawo kwa mapeto nkhope poyambira wotopetsa Machining mwatsatanetsatane Table 4. Mapeto nkhope poyambira Machining nthawi pafupifupi 2 mphindi.
Chithunzi 7 Chida chapadera chogwirira ntchito kumapeto kwa groove
Table 3 End face groove boring process
Chithunzi 8 Mapeto a nkhope yotopetsa
Table 4 Kudula magawo kwa mapeto nkhope kagawo wotopetsa
3.3 Kukhazikitsa zotsatira pambuyo pa kukhathamiritsa kwa ndondomeko
Pambuyo optimizing ndiNjira yopangira CNC, kutsimikizira wotopetsa processing wa mapeto a nkhope poyambira wa 5 workpieces unkachitika mosalekeza. Kuyang'ana kwa zida zogwirira ntchito kunawonetsa kuti kumapeto kwa groove processing kulondola kumakwaniritsa zofunikira zamapangidwe, ndipo chiwongola dzanja choyendera chinali 100%.
Deta yoyezera ikuwonetsedwa mu Table 5. Pambuyo pa nthawi yayitali ya batch processing ndi kutsimikizira khalidwe la 20 bokosi mapeto a nkhope grooves, zinatsimikiziridwa kuti mapeto a nkhope groove kulondola kukonzedwa ndi njira iyi kumakwaniritsa zofunikira zojambula.
Chida chapadera chopangira ma grooves amaso chimagwiritsidwa ntchito m'malo mwa mphero yofunikira kuti apititse patsogolo kusasunthika kwa chida ndikuchepetsa kwambiri nthawi yodula. Pambuyo pa kukhathamiritsa kwa ndondomeko, nthawi yofunikira pomaliza kukonza groove imachepetsedwa ndi 98.7% poyerekeza ndi kukhathamiritsa kusanachitike, zomwe zimapangitsa kuti ntchitoyo ikhale yabwino kwambiri.
Tsamba la grooving la chida ichi likhoza kusinthidwa likatha. Ili ndi mtengo wotsika komanso moyo wautali wautumiki poyerekeza ndi mphero yofunikira. Zochitika zothandiza zawonetsa kuti njira yopangira ma groove akumapeto imatha kulimbikitsidwa kwambiri ndikuvomerezedwa.
04 MAPETO
Chida chodulira chakumapeto ndi mlatho wodula mlatho umaphatikizidwa kuti apange ndi kupanga chida chapadera chokonzekera poyambira kumapeto. Zigawo zazikulu zomangika zapamapeto zimakonzedwa ndikutopetsa pa CNC yotopetsa komanso mphero.
Njirayi ndi yanzeru komanso yotsika mtengo, yokhala ndi chida chosinthika, chosinthika kwambiri pakukonza poyambira kumaso, komanso kukonza bwino kwambiri. Pambuyo pochita zambiri zopanga, ukadaulo wopangira ma groove pomaliza watsimikizika kuti ndi wofunikira ndipo utha kugwiritsidwa ntchito ngati chiwongolero cha magawo amtundu wofananira wa ma grooves pokonza malo otopetsa ndi mphero.
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Nthawi yotumiza: Sep-25-2024