CNC Machining Dziwani Kudula Mtengo
M'mapulogalamu a NC, wopanga mapulogalamu ayenera kudziwa kuchuluka kwa njira iliyonse ndikuilemba mu pulogalamuyo monga malangizo. Kudula magawo kumaphatikizapo liwiro la spindle, kuchuluka kwa kudula kumbuyo ndi liwiro la chakudya. Kwa njira zosiyanasiyana zogwirira ntchito, magawo osiyanasiyana odulidwa ayenera kusankhidwa. Mfundo masankhidwe a kuchuluka kudula ndi kuonetsetsa Machining kulondola ndi roughness pamwamba pa mbali, kupereka sewero lathunthu kwa kudula ntchito chida, kuonetsetsa wololera chida durability, ndi kupereka sewero lathunthu kwa ntchito ya makina chida kuti azipeza zokolola. ndi kuchepetsa ndalama.
1. Dziwani Kuthamanga kwa Spindle
Liwiro la spindle liyenera kusankhidwa molingana ndi liwiro lovomerezeka lodula komanso kukula kwa chogwirira ntchito (kapena chida). Njira yowerengera ndi: n=1000 v/7 1D kuti: v? kudula liwiro, unit ndi m/m kayendedwe, amene anatsimikiza ndi kulimba kwa chida; n ndi liwiro la spindle, chigawocho ndi r/min, ndipo D ndi mainchesi a chogwirira ntchito kapena m'mimba mwake chida, mu mm. Pa liwiro la spindle n, liwiro lomwe chida cha makina chili nacho kapena chayandikira chiyenera kusankhidwa kumapeto.
2. Dziwani Mlingo wa Zakudya
Liwiro la chakudya ndi gawo lofunikira mu magawo odulira a zida zamakina a CNC, omwe amasankhidwa makamaka malinga ndi kulondola kwa makina ndi zofunikira zapadziko lapansi za magawo ndi zinthu zakuthupi za zida ndi ntchito. Kukula kwakukulu kwa chakudya kumachepetsedwa ndi kukhwima kwa chida cha makina ndi machitidwe a chakudya. Mfundo yodziwira kuchuluka kwa chakudya: Pamene zofunikira zamtundu wa workpiece zitha kutsimikiziridwa, kuti zitheke kupanga bwino, kuchuluka kwa chakudya kumatha kusankhidwa. Nthawi zambiri amasankhidwa mu 100-200mm / min; podula, pokonza mabowo akuya kapena kukonza ndi zida zachitsulo zothamanga kwambiri, ndikofunikira kusankha liwiro laling'ono la chakudya, lomwe limasankhidwa pafupifupi 20-50mm / min; pamene processing kulondola, pamwamba Pamene roughness chofunika ndi mkulu, liwiro chakudya ayenera kusankhidwa ang'onoang'ono, zambiri mu osiyanasiyana 20-50mm/mphindi; pamene chidacho chilibe kanthu, makamaka pamene mtunda wautali "kubwerera ku zero", mukhoza kukhazikitsa CNC dongosolo la chida cha makina Mlingo wapamwamba kwambiri wa chakudya.
3. Dziwani kuchuluka kwa Zida Zam'mbuyo
Kuchuluka kwa kubwezera kumbuyo kumatsimikiziridwa ndi kulimba kwa chida cha makina, workpiece ndi chida chocheka. Pamene kukhazikika kumalola, kuchuluka kwa kubwezera kumbuyo kuyenera kukhala kofanana ndi malipiro a makina a workpiece momwe zingathere, zomwe zingathe kuchepetsa chiwerengero cha ziphaso ndi kupititsa patsogolo kupanga. Kuti mutsimikizire mtundu wa makina opangidwa ndi makina, ndalama zochepa zomaliza zitha kusiyidwa, nthawi zambiri 0.2-0.5mm. Mwachidule, mtengo weniweni wa kuchuluka kwa kudula uyenera kutsimikiziridwa ndi fanizo pogwiritsa ntchito chida cha makina, zolemba zokhudzana ndi zochitika zenizeni.
Panthawi imodzimodziyo, kuthamanga kwa spindle, kudula kuya ndi kuthamanga kwa chakudya kungasinthidwe kwa wina ndi mzake kuti apange ndalama zabwino kwambiri zodula.
Kudulira sikuli kokha chizindikiro chofunikira chomwe chiyenera kutsimikiziridwa chisanakhale chosinthika chida cha makina, komanso ngati mtengo wake ndi wololera kapena ayi uli ndi chikoka chofunikira kwambiri pa khalidwe la processing, kukonza bwino, ndi mtengo wopangira. Zomwe zimatchedwa "zomveka" zodula zimatanthawuza kuchuluka kwa kudula komwe kumagwiritsa ntchito mokwanira kudula kwa chida ndi ntchito yamphamvu (mphamvu, torque) ya chida cha makina kuti mupeze zokolola zambiri komanso mtengo wotsika pokonzekera. kuonetsetsa khalidwe.
Nsonga za mtundu uwu wa chida chotembenuza chimapangidwa ndi mizere yayikulu ndi yachiwiri yodulira, monga zida 900 zokhota zamkati ndi zakunja, zida zokhotakhota kumanzere ndi kumanja, zida zokhotakhota (zodula) ndi zida zosiyanasiyana zakunja ndi zamkati. nsonga zazing'ono chamfers. Chida chotembenuza dzenje. Njira yosankhidwa ya magawo a geometric a chida chokhotakhota (makamaka ngodya ya geometric) imakhala yofanana ndi kutembenuka wamba, koma mawonekedwe a makina a CNC (monga njira yopangira makina, kusokoneza makina, ndi zina zotero) ziyenera kuganiziridwa mozama. , ndipo nsonga ya chida yokha iyenera kuonedwa ngati mphamvu.
