Kusanthula ndi Njira Zothetsera Zolakwika za Reference Point Return of CNC Machine Tools
Chidule: Pepalali likuwunika mozama mfundo ya chida cha makina a CNC kubwerera kumalo ofotokozera, kuphimba chotsekedwa - loop, theka - chotsekedwa - loop ndi open - loop systems. Kupyolera mu zitsanzo zenizeni, mitundu yosiyanasiyana ya zolakwika zobwereranso za CNC zida za makina zimakambidwa mwatsatanetsatane, kuphatikiza kuzindikira zolakwika, njira zowunikira ndi njira zochotsera, ndi malingaliro owongolera amayikidwa patsogolo pakusintha kwa chida cha chida cha makina apakati.
I. Chiyambi
Kubwezeretsa kwa buku la manual point ndikofunika kuti mukhazikitse makina opangira makina. Chochita choyamba cha zida zambiri zamakina a CNC mukangoyambitsa ndikuyendetsa pamanja pobwerera. Zolakwika zobwerera za malo otengerako zidzalepheretsa kukonzedwa kwa pulogalamu kuti kuchitidwe, ndipo malo olakwika amalo ofotokozera akhudzanso kulondola kwa makina komanso kuyambitsa ngozi yakugundana. Chifukwa chake, ndikofunikira kwambiri kusanthula ndikuchotsa zolakwika zobwereza za point point.
II. Mfundo za CNC Machine Tools Kubwerera ku Reference Point
(A) Gulu la machitidwe
Yotsekedwa - loop CNC system: Yokhala ndi chida chowunikira kuti muzindikire kusamuka komaliza.
Semi - yotsekedwa - loop CNC system: Chipangizo choyezera malo chimayikidwa pa shaft yozungulira ya servo motor kapena kumapeto kwa screw screw, ndipo chizindikiro choyankha chimatengedwa kuchokera pakusamuka kwa angular.
Tsegulani - loop CNC system: Popanda chida chodziwitsira malo.
(B) Njira zobwereza mfundo
Njira ya gridi yobwezeretsanso mfundo
Njira ya gridi yokhazikika: Gwiritsani ntchito chosindikizira chamtheradi kapena chowongolera kuti mubwerere kumalo ofotokozera. Pakukonza zida zamakina, malo ofotokozera amatsimikiziridwa kudzera pakukhazikitsa magawo ndi chida cha makina zero ntchito yobwerera. Malingana ngati batire yosunga zobwezeretsera ya chinthu chodziwikiratu ikugwira ntchito, zidziwitso za malo owonetsera zimajambulidwa nthawi iliyonse makina akayambika, ndipo palibe chifukwa chochitiranso ntchito yobwereza.
Njira yowonjezerera gridi: Gwiritsani ntchito chosindikiza chowonjezera kapena chowongolera kuti mubwerere kumalo ofotokozera, ndipo ntchito yobwezera malo imafunikira nthawi iliyonse makina akayambika. Kutenga makina ena a CNC mphero (pogwiritsa ntchito FANUC 0i system) monga chitsanzo, mfundo ndi ndondomeko ya njira yake yowonjezeretsa gridi yobwerera ku zero point ndi motere:
Sinthani makina osinthira kupita ku "reference point return" gear, sankhani axis kuti mubwererenso, ndikudina batani loyendetsa bwino la axis. Mzerewu umapita kumalo owonetserako mofulumira kwambiri.
Pamene chipika chotsitsa chikuyenda limodzi ndi chogwirira ntchito chikanikizira kukhudzana ndi chosinthira chotsitsa, siginecha yotsitsa imasintha kuchokera pa (ON) kupita kuzimitsa (OFF). Chakudya cha worktable chimachepa ndipo chikupitiriza kuyenda pa liwiro laling'ono la chakudya chokhazikitsidwa ndi magawo.
Pambuyo pa chipika cha deceleration chimatulutsa chosinthira cha deceleration ndipo mawonekedwe olumikizana nawo akusintha kuchokera kupitilira, makina a CNC amadikirira kuwonekera kwa chizindikiro choyamba cha gridi (chomwe chimadziwikanso kuti PCZ imodzi - revolution signal) pa encoder. Chizindikirochi chikangowoneka, kayendetsedwe ka ntchito kameneka kamayima nthawi yomweyo. Panthawi imodzimodziyo, dongosolo la CNC limatumiza chizindikiro chomaliza kubwerera, ndipo nyali yowunikira imayatsa, kusonyeza kuti makina opangira makina abwerera bwino kumalo owonetsera.
Njira yosinthira maginito yobwereranso
Dongosolo lotseguka - loop nthawi zambiri limagwiritsa ntchito chosinthira maginito potengera malo obwerera. Kutengera chitsanzo cha CNC lathe, mfundo ndi ndondomeko ya njira yake yosinthira maginito yobwerera kumalo ofotokozera ndi motere:
Masitepe awiri oyambirira ndi ofanana ndi masitepe ogwiritsira ntchito njira ya grid kuti abwererenso.
Pambuyo pa chipika chotsitsa chimatulutsa chosinthira chotsitsa ndikulumikizana ndikusintha kuchokera kupitilira, dongosolo la CNC limadikirira mawonekedwe a chizindikiro chosinthira. Chizindikirochi chikangowoneka, kayendetsedwe ka ntchito kameneka kamayima nthawi yomweyo. Panthawi imodzimodziyo, dongosolo la CNC limatumiza chizindikiro chomaliza kubwerera, ndipo nyali yowunikira imayatsa, kusonyeza kuti chida cha makina chabwerera bwinobwino kumalo owonetsera axis.
III. Kuzindikira Zolakwa ndi Kusanthula kwa Zida Zamakina a CNC Kubwerera ku Reference Point
Pamene cholakwika chikachitika pobwereranso kwa chida cha makina a CNC, kuyang'anitsitsa mwatsatanetsatane kuyenera kuchitidwa molingana ndi mfundo kuyambira yosavuta mpaka yovuta.
(A) Zolakwa zopanda alamu
Kupatuka kuchokera pamtunda wokhazikika
Chochitika cholakwika: Chida cha makina chikayambika ndikubwezeredwa pamanja koyamba, chimachoka pagawo lolozera ndi mtunda umodzi kapena zingapo za gridi, ndipo mtunda wopatuka wotsatira umakhazikika nthawi iliyonse.
Kusanthula kwazifukwa: Nthawi zambiri, malo a deceleration block ndi olakwika, kutalika kwa chipika chotsitsa ndi chachifupi kwambiri, kapena malo osinthira oyandikira omwe amagwiritsidwa ntchito pofotokozera ndi osayenera. Vuto lamtunduwu nthawi zambiri limachitika chida cha makina chikayikidwa ndikusinthidwa kwa nthawi yoyamba kapena kukonzanso kwakukulu.
Yankho: Malo a deceleration block kapena chosinthira choyandikira chikhoza kusinthidwa, ndipo liwiro la chakudya chofulumira komanso nthawi yodyetsa yokhazikika kuti mubwererenso kutha kusinthidwa.
Kupatuka kuchokera pamalo osasintha kapena pang'ono
Chochitika cholakwa: Chokani pa malo aliwonse a malo ofotokozera, mtengo wopotoka umakhala wochepa kapena wochepa, ndipo mtunda wopotoka suli wofanana nthawi iliyonse yomwe ntchito yobwereza mfundo ikuchitidwa.
Kusanthula zomwe zimayambitsa:
Zosokoneza zakunja, monga kusakhazikika bwino kwa chingwe chotchingira chingwe, ndipo mzere wa chizindikiro cha pulse encoder uli pafupi kwambiri ndi chingwe chamagetsi chapamwamba.
Mphamvu yamagetsi yomwe imagwiritsidwa ntchito ndi pulse encoder kapena chowongolera chotsitsa ndichotsika kwambiri (chotsika kuposa 4.75V) kapena pali vuto.
Gulu lowongolera lagawo lowongolera liwiro ndi lolakwika.
Kulumikizana pakati pa axis ya chakudya ndi injini ya servo ndikosavuta.
Cholumikizira chingwe sichimalumikizana bwino kapena chingwe chawonongeka.
Yankho: Njira zofananira ziyenera kuchitidwa molingana ndi zifukwa zosiyanasiyana, monga kukonza pansi, kuyang'ana magetsi, kusintha bolodi lowongolera, kumangitsa kulumikizana, ndikuyang'ana chingwe.
(B) Zolakwika ndi alamu
Kupitilira - alamu yapaulendo chifukwa chopanda kuchedwetsa
Chochitika cholakwa: Chida cha makina chikabwerera kumalo ofotokozera, palibe chochita chochepetsera, ndipo chimayendabe mpaka chikakhudza kusintha kwa malire ndikuyima chifukwa chopitirira - kuyenda. Kuwala kobiriwira kwa reference point kubwerera sikuwunikira, ndipo dongosolo la CNC likuwonetsa dziko la "SIOKONZEKERA".
Kusanthula kwa chifukwa: Kusintha kosinthira kwa reference point kulephera, kulumikizidwa kosinthira sikungakhazikitsidwenso pambuyo pa kukanikizidwa, kapena chipika chotsitsacho chimamasuka ndikusunthidwa, zomwe zimapangitsa kuti zero - point pulse isagwire ntchito pomwe chida cha makina chikubwerera kumalo ofotokozera, ndipo chizindikiro chotsitsa sichingalowe mu dongosolo la CNC.
Yankho: Gwiritsani ntchito batani la "over - travel release" kuti mutulutse chogwirizanitsa - kuyenda kwa chida cha makina, kusuntha chida cha makina kumbuyo kwa maulendo oyendayenda, ndiyeno muwone ngati chosinthira chotsitsimutsa kuti chibwererenso ndi chotayirira komanso ngati mzere wofananira wosinthira kusinthaku uli ndi dera lalifupi kapena lotseguka.
Alamu yobwera chifukwa chosapeza malo ofotokozera pambuyo pakutsika
Chochitika cholakwa: Pali kuchepa panthawi yobwereza ndondomeko yobwereza, koma imayima mpaka itakhudza kusintha kwa malire ndi ma alarm, ndipo malo owonetsera sapezeka, ndipo ntchito yobwereza mfundo ikulephera.
Kusanthula zomwe zimayambitsa:
Encoder (kapena grating rula) sichitumiza chizindikiro cha ziro chosonyeza kuti malo ofotokozerawo abwezedwa panthawi yobwereza.
Malo a ziro a reference point kubwerera akulephera.
Chizindikiro cha zero chobwereranso chimatayika panthawi yotumizira kapena kukonza.
Pali kulephera kwa hardware pamakina oyezera, ndipo chizindikiro cha zero chobwereranso sichidziwika.
Yankho: Gwiritsani ntchito njira yolondolera ma siginecha ndikugwiritsa ntchito oscilloscope kuti muwone ngati siginecha ya ziro ibwereranso kuti muweruze chomwe chalakwika ndikukonza zofananira.
Alamu yobwera chifukwa cha malo olozera molakwika
Chochitika cholakwika: Pali kuchepa kwa nthawi yobwereranso, ndipo chizindikiro cha zero chobwereranso chikuwonekera, ndipo palinso njira yoboola mpaka zero, koma malo omwe amalozerawo ndi olakwika, ndipo ntchito yobwereza yobwereza imalephera.
Kusanthula zomwe zimayambitsa:
Chizindikiro cha zero chobwerera chaphokoso chaphonya, ndipo njira yoyezera imatha kupeza chizindikirochi ndikuyimitsa pokhapokha chosindikizira cha pulse chikazunguliranso kusinthika kwina, kotero kuti tebulo logwira ntchito liyime pamalo omwe ali pamtunda wosankhidwa kuchokera pamalo ofotokozera.
Deceleration chipika ali pafupi kwambiri ndi malo zolozera malo, ndi coordinate axis imayima pamene sichinasunthike kumtunda womwe watchulidwa ndikukhudza kusintha kwa malire.
Chifukwa cha zinthu monga kusokonezedwa kwa ma siginoloji, chipika chotayirira, komanso voteji yotsika kwambiri ya zero mbendera ya malo obwereza, malo pomwe chogwirira ntchito chimayima ndi cholakwika ndipo sichimasinthasintha.
Yankho: Njira molingana ndi zifukwa zosiyanasiyana, monga kusintha malo a deceleration block, kuchotsa kusokoneza kwa chizindikiro, kulimbitsa chipika, ndikuyang'ana mphamvu yamagetsi.
Alamu yabwera chifukwa chosabwerera kumalo ofotokozera chifukwa cha kusintha kwa magawo
Chochitika cholakwika: Chida chamakina chikabwerera kumalo ofotokozera, chimatumiza alamu "yosabwereranso kumalo ofotokozera", ndipo chida cha makina sichichita zomwe zikubwerera.
Kusanthula koyambitsa: Zitha kuchitika chifukwa chosintha magawo omwe adayikidwa, monga kuchuluka kwa lamulo (CMR), kuchuluka kwa kuzindikira (DMR), liwiro lachakudya kuti libwererenso, kuthamanga kwafupipafupi komwe kumayambira kumayikidwa paziro, kapena switch yokulitsa mwachangu ndi switch yokulitsa chakudya pagawo lopangira zida zamakina zakhazikitsidwa ku 0%.
Yankho: Yang'anani ndikuwongolera magawo ofunikira.
IV. Mapeto
Zolakwika zobwereranso pazida zamakina a CNC makamaka zimaphatikizansopo zinthu ziwiri: kulephera kwa point point kubwerera ndi alamu komanso kusuntha kopanda alamu. Chifukwa cha zolakwika ndi alamu, dongosolo la CNC silingagwire ntchito yokonza makina, yomwe ingapewe kupanga zinthu zambiri zowonongeka; pomwe cholozera chopanda alamu ndichosavuta kunyalanyazidwa, zomwe zitha kupangitsa kuti zinyalala zomwe zidasinthidwa kapena zinyalala zichuluke.
Pamakina apakatikati, popeza makina ambiri amagwiritsa ntchito polumikizira axis pomwe chida chosinthira chida, zolakwika zobwereranso ndizosavuta kuchitika pakanthawi yayitali, makamaka zolakwika zomwe sizikhala ndi ma alarm point. Choncho, tikulimbikitsidwa kukhazikitsa mfundo yachiwiri ndikugwiritsa ntchito malangizo a G30 X0 Y0 Z0 ndi malo pamtunda wina kuchokera kumalo ofotokozera. Ngakhale izi zimabweretsa zovuta pakupanga magazini ya chida ndi manipulator, zitha kuchepetsa kwambiri kulephera kwazomwe kubweza komanso kulephera kwa chida chodziwikiratu, ndipo gawo limodzi lokha lobwereza limafunikira pomwe chida cha makina chikuyambira.
Chidule: Pepalali likuwunika mozama mfundo ya chida cha makina a CNC kubwerera kumalo ofotokozera, kuphimba chotsekedwa - loop, theka - chotsekedwa - loop ndi open - loop systems. Kupyolera mu zitsanzo zenizeni, mitundu yosiyanasiyana ya zolakwika zobwereranso za CNC zida za makina zimakambidwa mwatsatanetsatane, kuphatikiza kuzindikira zolakwika, njira zowunikira ndi njira zochotsera, ndi malingaliro owongolera amayikidwa patsogolo pakusintha kwa chida cha chida cha makina apakati.
I. Chiyambi
Kubwezeretsa kwa buku la manual point ndikofunika kuti mukhazikitse makina opangira makina. Chochita choyamba cha zida zambiri zamakina a CNC mukangoyambitsa ndikuyendetsa pamanja pobwerera. Zolakwika zobwerera za malo otengerako zidzalepheretsa kukonzedwa kwa pulogalamu kuti kuchitidwe, ndipo malo olakwika amalo ofotokozera akhudzanso kulondola kwa makina komanso kuyambitsa ngozi yakugundana. Chifukwa chake, ndikofunikira kwambiri kusanthula ndikuchotsa zolakwika zobwereza za point point.
II. Mfundo za CNC Machine Tools Kubwerera ku Reference Point
(A) Gulu la machitidwe
Yotsekedwa - loop CNC system: Yokhala ndi chida chowunikira kuti muzindikire kusamuka komaliza.
Semi - yotsekedwa - loop CNC system: Chipangizo choyezera malo chimayikidwa pa shaft yozungulira ya servo motor kapena kumapeto kwa screw screw, ndipo chizindikiro choyankha chimatengedwa kuchokera pakusamuka kwa angular.
Tsegulani - loop CNC system: Popanda chida chodziwitsira malo.
(B) Njira zobwereza mfundo
Njira ya gridi yobwezeretsanso mfundo
Njira ya gridi yokhazikika: Gwiritsani ntchito chosindikizira chamtheradi kapena chowongolera kuti mubwerere kumalo ofotokozera. Pakukonza zida zamakina, malo ofotokozera amatsimikiziridwa kudzera pakukhazikitsa magawo ndi chida cha makina zero ntchito yobwerera. Malingana ngati batire yosunga zobwezeretsera ya chinthu chodziwikiratu ikugwira ntchito, zidziwitso za malo owonetsera zimajambulidwa nthawi iliyonse makina akayambika, ndipo palibe chifukwa chochitiranso ntchito yobwereza.
Njira yowonjezerera gridi: Gwiritsani ntchito chosindikiza chowonjezera kapena chowongolera kuti mubwerere kumalo ofotokozera, ndipo ntchito yobwezera malo imafunikira nthawi iliyonse makina akayambika. Kutenga makina ena a CNC mphero (pogwiritsa ntchito FANUC 0i system) monga chitsanzo, mfundo ndi ndondomeko ya njira yake yowonjezeretsa gridi yobwerera ku zero point ndi motere:
Sinthani makina osinthira kupita ku "reference point return" gear, sankhani axis kuti mubwererenso, ndikudina batani loyendetsa bwino la axis. Mzerewu umapita kumalo owonetserako mofulumira kwambiri.
Pamene chipika chotsitsa chikuyenda limodzi ndi chogwirira ntchito chikanikizira kukhudzana ndi chosinthira chotsitsa, siginecha yotsitsa imasintha kuchokera pa (ON) kupita kuzimitsa (OFF). Chakudya cha worktable chimachepa ndipo chikupitiriza kuyenda pa liwiro laling'ono la chakudya chokhazikitsidwa ndi magawo.
Pambuyo pa chipika cha deceleration chimatulutsa chosinthira cha deceleration ndipo mawonekedwe olumikizana nawo akusintha kuchokera kupitilira, makina a CNC amadikirira kuwonekera kwa chizindikiro choyamba cha gridi (chomwe chimadziwikanso kuti PCZ imodzi - revolution signal) pa encoder. Chizindikirochi chikangowoneka, kayendetsedwe ka ntchito kameneka kamayima nthawi yomweyo. Panthawi imodzimodziyo, dongosolo la CNC limatumiza chizindikiro chomaliza kubwerera, ndipo nyali yowunikira imayatsa, kusonyeza kuti makina opangira makina abwerera bwino kumalo owonetsera.
Njira yosinthira maginito yobwereranso
Dongosolo lotseguka - loop nthawi zambiri limagwiritsa ntchito chosinthira maginito potengera malo obwerera. Kutengera chitsanzo cha CNC lathe, mfundo ndi ndondomeko ya njira yake yosinthira maginito yobwerera kumalo ofotokozera ndi motere:
Masitepe awiri oyambirira ndi ofanana ndi masitepe ogwiritsira ntchito njira ya grid kuti abwererenso.
Pambuyo pa chipika chotsitsa chimatulutsa chosinthira chotsitsa ndikulumikizana ndikusintha kuchokera kupitilira, dongosolo la CNC limadikirira mawonekedwe a chizindikiro chosinthira. Chizindikirochi chikangowoneka, kayendetsedwe ka ntchito kameneka kamayima nthawi yomweyo. Panthawi imodzimodziyo, dongosolo la CNC limatumiza chizindikiro chomaliza kubwerera, ndipo nyali yowunikira imayatsa, kusonyeza kuti chida cha makina chabwerera bwinobwino kumalo owonetsera axis.
III. Kuzindikira Zolakwa ndi Kusanthula kwa Zida Zamakina a CNC Kubwerera ku Reference Point
Pamene cholakwika chikachitika pobwereranso kwa chida cha makina a CNC, kuyang'anitsitsa mwatsatanetsatane kuyenera kuchitidwa molingana ndi mfundo kuyambira yosavuta mpaka yovuta.
(A) Zolakwa zopanda alamu
Kupatuka kuchokera pamtunda wokhazikika
Chochitika cholakwika: Chida cha makina chikayambika ndikubwezeredwa pamanja koyamba, chimachoka pagawo lolozera ndi mtunda umodzi kapena zingapo za gridi, ndipo mtunda wopatuka wotsatira umakhazikika nthawi iliyonse.
Kusanthula kwazifukwa: Nthawi zambiri, malo a deceleration block ndi olakwika, kutalika kwa chipika chotsitsa ndi chachifupi kwambiri, kapena malo osinthira oyandikira omwe amagwiritsidwa ntchito pofotokozera ndi osayenera. Vuto lamtunduwu nthawi zambiri limachitika chida cha makina chikayikidwa ndikusinthidwa kwa nthawi yoyamba kapena kukonzanso kwakukulu.
Yankho: Malo a deceleration block kapena chosinthira choyandikira chikhoza kusinthidwa, ndipo liwiro la chakudya chofulumira komanso nthawi yodyetsa yokhazikika kuti mubwererenso kutha kusinthidwa.
Kupatuka kuchokera pamalo osasintha kapena pang'ono
Chochitika cholakwa: Chokani pa malo aliwonse a malo ofotokozera, mtengo wopotoka umakhala wochepa kapena wochepa, ndipo mtunda wopotoka suli wofanana nthawi iliyonse yomwe ntchito yobwereza mfundo ikuchitidwa.
Kusanthula zomwe zimayambitsa:
Zosokoneza zakunja, monga kusakhazikika bwino kwa chingwe chotchingira chingwe, ndipo mzere wa chizindikiro cha pulse encoder uli pafupi kwambiri ndi chingwe chamagetsi chapamwamba.
Mphamvu yamagetsi yomwe imagwiritsidwa ntchito ndi pulse encoder kapena chowongolera chotsitsa ndichotsika kwambiri (chotsika kuposa 4.75V) kapena pali vuto.
Gulu lowongolera lagawo lowongolera liwiro ndi lolakwika.
Kulumikizana pakati pa axis ya chakudya ndi injini ya servo ndikosavuta.
Cholumikizira chingwe sichimalumikizana bwino kapena chingwe chawonongeka.
Yankho: Njira zofananira ziyenera kuchitidwa molingana ndi zifukwa zosiyanasiyana, monga kukonza pansi, kuyang'ana magetsi, kusintha bolodi lowongolera, kumangitsa kulumikizana, ndikuyang'ana chingwe.
(B) Zolakwika ndi alamu
Kupitilira - alamu yapaulendo chifukwa chopanda kuchedwetsa
Chochitika cholakwa: Chida cha makina chikabwerera kumalo ofotokozera, palibe chochita chochepetsera, ndipo chimayendabe mpaka chikakhudza kusintha kwa malire ndikuyima chifukwa chopitirira - kuyenda. Kuwala kobiriwira kwa reference point kubwerera sikuwunikira, ndipo dongosolo la CNC likuwonetsa dziko la "SIOKONZEKERA".
Kusanthula kwa chifukwa: Kusintha kosinthira kwa reference point kulephera, kulumikizidwa kosinthira sikungakhazikitsidwenso pambuyo pa kukanikizidwa, kapena chipika chotsitsacho chimamasuka ndikusunthidwa, zomwe zimapangitsa kuti zero - point pulse isagwire ntchito pomwe chida cha makina chikubwerera kumalo ofotokozera, ndipo chizindikiro chotsitsa sichingalowe mu dongosolo la CNC.
Yankho: Gwiritsani ntchito batani la "over - travel release" kuti mutulutse chogwirizanitsa - kuyenda kwa chida cha makina, kusuntha chida cha makina kumbuyo kwa maulendo oyendayenda, ndiyeno muwone ngati chosinthira chotsitsimutsa kuti chibwererenso ndi chotayirira komanso ngati mzere wofananira wosinthira kusinthaku uli ndi dera lalifupi kapena lotseguka.
Alamu yobwera chifukwa chosapeza malo ofotokozera pambuyo pakutsika
Chochitika cholakwa: Pali kuchepa panthawi yobwereza ndondomeko yobwereza, koma imayima mpaka itakhudza kusintha kwa malire ndi ma alarm, ndipo malo owonetsera sapezeka, ndipo ntchito yobwereza mfundo ikulephera.
Kusanthula zomwe zimayambitsa:
Encoder (kapena grating rula) sichitumiza chizindikiro cha ziro chosonyeza kuti malo ofotokozerawo abwezedwa panthawi yobwereza.
Malo a ziro a reference point kubwerera akulephera.
Chizindikiro cha zero chobwereranso chimatayika panthawi yotumizira kapena kukonza.
Pali kulephera kwa hardware pamakina oyezera, ndipo chizindikiro cha zero chobwereranso sichidziwika.
Yankho: Gwiritsani ntchito njira yolondolera ma siginecha ndikugwiritsa ntchito oscilloscope kuti muwone ngati siginecha ya ziro ibwereranso kuti muweruze chomwe chalakwika ndikukonza zofananira.
Alamu yobwera chifukwa cha malo olozera molakwika
Chochitika cholakwika: Pali kuchepa kwa nthawi yobwereranso, ndipo chizindikiro cha zero chobwereranso chikuwonekera, ndipo palinso njira yoboola mpaka zero, koma malo omwe amalozerawo ndi olakwika, ndipo ntchito yobwereza yobwereza imalephera.
Kusanthula zomwe zimayambitsa:
Chizindikiro cha zero chobwerera chaphokoso chaphonya, ndipo njira yoyezera imatha kupeza chizindikirochi ndikuyimitsa pokhapokha chosindikizira cha pulse chikazunguliranso kusinthika kwina, kotero kuti tebulo logwira ntchito liyime pamalo omwe ali pamtunda wosankhidwa kuchokera pamalo ofotokozera.
Deceleration chipika ali pafupi kwambiri ndi malo zolozera malo, ndi coordinate axis imayima pamene sichinasunthike kumtunda womwe watchulidwa ndikukhudza kusintha kwa malire.
Chifukwa cha zinthu monga kusokonezedwa kwa ma siginoloji, chipika chotayirira, komanso voteji yotsika kwambiri ya zero mbendera ya malo obwereza, malo pomwe chogwirira ntchito chimayima ndi cholakwika ndipo sichimasinthasintha.
Yankho: Njira molingana ndi zifukwa zosiyanasiyana, monga kusintha malo a deceleration block, kuchotsa kusokoneza kwa chizindikiro, kulimbitsa chipika, ndikuyang'ana mphamvu yamagetsi.
Alamu yabwera chifukwa chosabwerera kumalo ofotokozera chifukwa cha kusintha kwa magawo
Chochitika cholakwika: Chida chamakina chikabwerera kumalo ofotokozera, chimatumiza alamu "yosabwereranso kumalo ofotokozera", ndipo chida cha makina sichichita zomwe zikubwerera.
Kusanthula koyambitsa: Zitha kuchitika chifukwa chosintha magawo omwe adayikidwa, monga kuchuluka kwa lamulo (CMR), kuchuluka kwa kuzindikira (DMR), liwiro lachakudya kuti libwererenso, kuthamanga kwafupipafupi komwe kumayambira kumayikidwa paziro, kapena switch yokulitsa mwachangu ndi switch yokulitsa chakudya pagawo lopangira zida zamakina zakhazikitsidwa ku 0%.
Yankho: Yang'anani ndikuwongolera magawo ofunikira.
IV. Mapeto
Zolakwika zobwereranso pazida zamakina a CNC makamaka zimaphatikizansopo zinthu ziwiri: kulephera kwa point point kubwerera ndi alamu komanso kusuntha kopanda alamu. Chifukwa cha zolakwika ndi alamu, dongosolo la CNC silingagwire ntchito yokonza makina, yomwe ingapewe kupanga zinthu zambiri zowonongeka; pomwe cholozera chopanda alamu ndichosavuta kunyalanyazidwa, zomwe zitha kupangitsa kuti zinyalala zomwe zidasinthidwa kapena zinyalala zichuluke.
Pamakina apakatikati, popeza makina ambiri amagwiritsa ntchito polumikizira axis pomwe chida chosinthira chida, zolakwika zobwereranso ndizosavuta kuchitika pakanthawi yayitali, makamaka zolakwika zomwe sizikhala ndi ma alarm point. Choncho, tikulimbikitsidwa kukhazikitsa mfundo yachiwiri ndikugwiritsa ntchito malangizo a G30 X0 Y0 Z0 ndi malo pamtunda wina kuchokera kumalo ofotokozera. Ngakhale izi zimabweretsa zovuta pakupanga magazini ya chida ndi manipulator, zitha kuchepetsa kwambiri kulephera kwazomwe kubweza komanso kulephera kwa chida chodziwikiratu, ndipo gawo limodzi lokha lobwereza limafunikira pomwe chida cha makina chikuyambira.