CNC Machine Zida: Makiyi ndi Zovuta za Makina Olondola Kwambiri
CNC makina chida, monga chidule cha chida chowongolera makina a digito, ndi chida chodzipangira chokha chokhala ndi dongosolo lowongolera pulogalamu. Dongosolo lake lowongolera limatha kukonza mapulogalamu omwe ali ndi ma code owongolera kapena malangizo ena ophiphiritsa, ndikuwongolera, kuti chida cha makina chizitha kugwira ntchito ndikukonza magawo. Ntchito ndi kuwunika kwaZida zamakina a CNCzonse zatsirizidwa mu gawo ili la CNC, lomwe lingafotokozedwe ngati "ubongo" wa chida cha makina.
Zida zamakina a CNCali ndi ubwino wambiri. Kulondola kwake kokonzekera ndikwapamwamba, komwe kumatha kuonetsetsa kuti ntchitoyo ndi yabwino; imatha kugwirizanitsa ma multicoordinates, ndipo imatha kukonza magawo okhala ndi mawonekedwe ovuta; pamene mbali processing kusintha, zambiri zimangofunika kusintha CNC pulogalamu, amene angapulumutse kwambiri kupanga kukonzekera nthawi; chida makina palokha ali olondola mkulu ndi okhwima mkulu, ndipo akhoza kusankha yabwino processing kuchuluka ndi dzuwa kupanga. Pamwamba, nthawi zambiri 3 mpaka 5 kuposa zida zamakina wamba; high degree of automation, imatha kuchepetsa kuchuluka kwa ntchito. Komabe, imayikanso patsogolo zofunika kwambiri zaubwino wa ogwira ntchito komanso zofunikira zapamwamba zaukadaulo kwa ogwira ntchito yosamalira.
Zida zamakina a CNC nthawi zambiri zimakhala ndi magawo angapo. Makina akuluakulu ndi thupi lalikulu laCNC makina chida, kuphatikizapo thupi chida makina, mzati, spindle, chakudya limagwirira ndi zigawo zina zamakina, amene ntchito kutsiriza ntchito zosiyanasiyana makina kudula ndi processing. Chipangizo chowongolera manambala ndi gawo lake lalikulu, kuphatikiza zida monga bolodi losindikizidwa, chiwonetsero cha CRT, bokosi lofunikira, owerenga tepi yamapepala, ndi zina zambiri, komanso pulogalamu yofananira, yomwe imagwiritsidwa ntchito polowetsa mapulogalamu agawo la digito, ndikumaliza kusungirako zidziwitso zolowera, kusintha kwa data, kutanthauzira komanso kukwaniritsa ntchito zosiyanasiyana zowongolera. Chipangizo choyendetsa galimoto ndi gawo loyendetsa galimotoCNC makina chidaactuator, kuphatikizapo spindle drive unit, feed unit, spindle motor and feed motor, etc. Poyang'aniridwa ndi chipangizo chowongolera manambala, spindle ndi chakudya zimayendetsedwa kudzera mumagetsi kapena electro-hydraulic servo system. Pamene ma feed angapo alumikizidwa, kukonza kwa malo, mzere wowongoka, ma curve a ndege ndi malo okhotakhota amatha kumaliza. Chipangizo chothandizira ndi gawo lofunikira la chida cha makina a CNC, monga kuziziritsa, kutulutsa chip, kudzoza, kuyatsa, kuyang'anira, ndi zina zambiri, kuphatikiza zida zama hydraulic ndi pneumatic, zida zothamangitsira chip, matebulo osinthira, CNC turntables ndi manambala owongolera mitu yogawa, komanso zida ndi zida zowunikira ndi kuzindikira. Mapulogalamu ndi zida zina zothandizira zitha kugwiritsidwa ntchito popanga mapulogalamu ndikusunga magawo kunja kwa makina.
Pakupanga, nthawi zambiri timakumana ndi mavuto ndi kulondola kwapang'onopang'ono kwa makina a CNC. Vuto lamtunduwu ndi lobisika komanso lovuta kulizindikira. Zifukwa zazikulu zamavuto otere ndi izi.
Choyamba, gawo la chakudya cha chida cha makina amatha kusinthidwa kapena kusinthidwa. Izi zidzakhudza mwachindunji kulondola kwa makina a chida cha makina, chifukwa kusakhazikika kwa gawo la chakudya kudzayambitsa kupatuka pakuyenda ndi kuyika kwa chida cha makina.
Kachiwiri, NULL OFFSET ya axis iliyonse ya chida cha makina ndi yachilendo. Zero-point bias ndi gawo lofunikira pamakina olumikizira zida zamakina. Kusakhazikika kwake kumapangitsa kuyika kolumikizana kwa chida cha makina kutaya kulondola kwake.
Kuonjezera apo, AXIAL REVERSE GAP (BACKLASH) ANOMALY NDIWOSONYEZA ZAMBIRI. Reverse void imatanthawuza kusiyana pakati pa screw ndi nati pakuyenda kwa axial. Kusiyana kwachilendo kwachilendo kudzakhudza kulondola ndi kukhazikika kwa chida cha makina.
Kuonjezera apo, kayendetsedwe ka kayendetsedwe ka galimoto ndi kosazolowereka, ndiko kuti, magetsi ndi magetsi amalephera. Izi zitha kuphatikizapo kulephera kwa dera, kulephera kwa owongolera kapena mavuto ena amagetsi, zomwe zingakhudze mwachindunji magwiridwe antchito komanso kulondola kwachida cha makina.
Kuphatikiza pazifukwa zomwe zili pamwambazi zamakina ndi zamagetsi, kulinganiza njira zamakina, kusankha zida ndi zinthu zamunthu zingayambitsenso kulondola kwachilendo kwa makina. Mapulogalamu osayenera angapangitse zida zamakina kuchita zolakwika, ndipo kusankha zida molakwika kapena kugwiritsa ntchito molakwika kungakhudzenso luso la makina.
Pofuna kupewa kapena kuthetsa vuto la kulondola kwapang'onopang'ono kwa zida zamakina a CNC, izi zitha kuchitika:
1. Yang'anani nthawi zonse ndikuwongolera gawo la chakudya, zero bias ndi magawo ena a chida cha makina kuti muwonetsetse kulondola kwake.
2. Sungani ndikuyang'ana kusiyana kwa axial reverse, ndikusintha kapena kukonza nthawi yake.
3. Limbikitsani kukonza ndi kuthetsa mavuto a magawo amagetsi ndi owongolera.
4. Konzani kaphatikizidwe ka njira zogwirira ntchito, sankhani zida moyenera, ndikuphunzitsa ogwira ntchito kuti apititse patsogolo luso lawo komanso kukhala ndi udindo.
M'mawu amodzi,Zida zamakina a CNCzimagwira ntchito yofunika kwambiri pakupanga kwamakono, koma vuto la kulondola kwapang'onopang'ono liyenera kulipidwa mokwanira. Kupyolera mukugwiritsa ntchito moyenera, kukonza ndi kuthetsa mavuto a zida zamakina, kulondola kwa kukonza kumatha kupitsidwanso bwino ndipo mtundu wazinthu ukhoza kutsimikizika.
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