musoro wepeji

chigadzirwa

Mazano Ekugadzirisa Muchina Wekubvisa Rubber Kuti Urarame Nguva Yakareba

By Mike Chen, Mutungamiriri weKugadzira | Makore gumi nemaviri zvichikwira muKugadzira Rabha |LinkedIn

Zvinhu Zvinokosha Zvaunofanira Kuziva

  • Kuongororwa kwemazuva ese kwemaminitsi gumi kunodzivirira nguva yakawanda yekudzima michina isina kurongwa, nekuti kutadza kukuru kunotanga sekunge mvura diki, kupera, kana kuti kuungana kwezvisaririra.
  • Michina yekubvisa simba remagetsi inotadza kushandiswa nemagetsi, ine simba remagetsi, uye ine simba remhepo inokundikana nekuda kwezvikonzero zvakasiyana, saka kugadzirisa kunofanirwa kuenderana nerudzi rwemuchina, kwete kushandiswa seimwe yekutarisa kwakajairika.
  • Michina inochera mvura isingapindi mvura inoyerera zuva nezuva inowanzoona kutadza kushanda zvakanaka kwechisimbiso nemabheyaringi kaviri kana katatu kupfuura michina inotarisirwa zvakanaka.
  • Zvikamu zvekupfekwa kwemuchina zvakaita semablades, ma spray nozzles, uye ma filters zvinonyorwa pasi; kuzvitsiva zvisati zvakundikana zvinowedzera hupenyu hwemuchina uye zvinodzivirira kunaka kwezvikamu.
Mhinduro pfupi: Nzira yakanakisisa yekuwedzera hupenyu hwemuchina wekubvisa rabha ndeyekuchengetedza kwakarongeka kunoenderana nemhando yemuchina: kuchenesa marara e flash zuva nezuva, kubvisa hunyoro kubva mu cryogenic systems, kuchengetedza ma spray ne vacuum systems zvakazara, kuongorora zvisimbiso nezvikamu zvekusakara nenguva, uye usamborega kudonha kudiki kuchigadzirazve. Nekuti michina yekubvisa rabha ichiita basa guruva, musiyano uripo pakati peyuniti yakachengetedzwa zvakanaka neyakaregeredzwa unowanzoonekwa mumakore ehupenyu hwekuwedzera. Muchina wekubvisa rabha uri pamagumo emutsetse wekuumba, kwaunowana kuchengetedza kwawo nekushandura zvikamu zvisina kurongeka kuita chigadzirwa chinotumirwa. Painodonha, mutsetse wese unodzokera shure. Asi kugadzirisa ndiro danho iro vazhinji vanotenga vasingashandise mari yakawanda, nekuti muchina "uchiri kushanda." Dambudziko nderekuti michina yekubvisa rabha inoora chinyararire: media inosakara, ma spray nozzles anovhara, ma seals anooma, uye sensors dzinodonha. Panguva inobuda kunaka, kukuvara kunowanzova kwakadzama kupfuura shanduko yesefa.

Gwaro iri rinoongorora kuongororwa kwezuva nezuva kunobata kutadza kukuru pakutanga, kugadziriswa kwemhando dzakasiyana dzemichina yemakanika, cryogenic, uye mhepo, purogiramu yevhiki nevhiki uye yemwedzi, nguva dzekutsiva zvikamu zvakasakara, uye kugadzirisa matambudziko kunoshandura kukanganiswa kuita zvidzidzo.

Nei Kugadzirisa Kuchisarudza Nguva Yehupenyu hweMuchina Wekubvisa Mvura

Michina yekudzima moto inoshanda neabrasive flash, rabha guruva, uye—munyaya ye cryogenic—inotonhora zvakanyanya. Yose mitatu inorwisa muchina nguva dzose.Guruva rerabha rinopinda mumabheringi nemakavha emagetsi, zvidimbu zvemaflash zvinobvisa media nema lining, uye condensation inobva muma cryogenic systems inoparadza zvisimbiso nesimbi.Chimwe nechimwe cheizvi chinononoka zvekusagona kuregeredzwa kwemavhiki uye chinokuvadza zvakakwana kuderedza makore ehupenyu hwemuchina.

Mutengo wekuregeredza inguva yakawandisa yekuzorora.Kana muchina wekubvisa mvura ukakundikana, haukundikane pahuwandu hwe10%; unomira,uye michina yekuumba inomira nayo kana kuti inounganidza zvikamu zvisina kupera. XCJ-G600 super model chete inotsiva michina mitatu yakajairika, zvinoreva kuti imwe chete isina kurongwa inobvisa simba remuchina mitatu. Kurasikirwa kwekugadzira hakuna muripo wefirita.

Muruzivo rwedu rwekutsigira makamuri ekupedzisa, zvitoro zvinosvika nguva refu yekushanda kwemichina hazviwanzo kuve izvo zvine michina mitsva. Ndizvo zvine purogiramu yakanyorwa yekugadzirisa uye muridzi wayo akasarudzwa. Purogiramu yacho inonyanya kukosha kupfuura brand.

Kuongorora kwezuva nezuva kunodzivirira kukundikana kwakawanda

Maminitsi gumi pakutanga kwechinguva chega chega anodzivirira kutadza kwakawanda kupfuura chero kugadziriswa kwemwedzi. Ita izvi usati watanga chigamba chekutanga, kwete mushure macho.

  1. Bvisa marara neguruva rerabha.Bvisa flash yakaunganidzwa kubva mubharero, nzvimbo yekubuditsa, uye pasi rakatenderedza muchina. Guruva rinosvika pamabheringi kana kabhineti yekudzora richakundikana mune ramangwana. Chinhu chekuchenesa otomatiki chemuchina wemagetsi emhepo chinobatsira pano, asi hachitsivi chekuongorora chaiko.
  2. Tarisa huwandu hwemvura nemafuta esilicone.Pamichina yemagetsi inofefetera, sisitimu yekupfapfaidza miviri ndiyo inoita kuti zvikamu zvisanamatire panguva yekuchekerera. Zvigadzirwa zverabha zvinoshandisa mafuta esilicone; zvigadzirwa zvesilicone zvinoshandisa mvura. Nekuti muchina unovhundutsa kana spray yapera, tarisa alarm inobuda sechiratidzo chekuzadzazve usati watanga kumhanya kunotevera, kwete mushure meizvozvo.
  3. Tarisa kuti mapombi ekupfapfaidza haana kuvharika here.Kamudzira kakavharika zvishoma kanobvisa divi rimwe remuchina, izvo zvinozoonekwa gare gare sekucheka kusina kuenzana. Pukuta maburi acho wobva wasimbisa kuti akaenzana pakupfapfaidza.
  4. Ongorora zvisimbiso, magasket, uye mahwindo ekuona.Tsvaga kana paine mvura inobuda, mitswe, kana kuti mvura inonaya. Pamichina ye cryogenic, tarisa magonhi nema roller seal kunyanya, nekuti cold cycling inoomesa uye inotsemura elastomer seal nekukurumidza kupfuura chero chimwe chinhu.
  5. Simbisa masisitimu ekuchengetedza.Edza chifukidziro chekuchengetedza chemusuwo wekubuditsa mvura uye masensa ekugadzira mhepo pamuchina wemagetsi emhepo, uye tarisa kuti emergency stop iri papi. Muchina unocheka nekukurumidza unongochengetedzwa chete kana makiyi awo achishanda. Izvi zvinoenderana neKuchengetedza michina yeOSHAzvinodiwa.
  6. Nyora zvaunowana.Kunyora log yemutsara mumwe chete—zuva, muchina, kucherechedza, chiito—kunoshandura macheki ega ega kuita mafambiro aunogona kuita. Uyu ndiwo musimboti weISO 9001hurongwa hwekuchengetedza nekudzivirira.

Ita Kuti Log Ive Muitiro

Musiyano uripo pakati pekuti “tinotarisa muchina” uye “tinochengetedza muchina” igwaro rakanyorwa. Kuwanda kwezvinyorwa zve “cleaned clogged nozzle” zvinokuudza kuti silicone oil grade inofanira kuchinjwa muchina usati wakuudza kuti wakundikana.

Kugadziriswa nerudzi rwemuchina

Michina yekudzima magetsi haisi mimwe chete. Mhando imwe neimwe ine maitiro ayo ekukundikana, uye kugadzirisa kunoita kuti imwe igare yakasimba hakubatsiri kune imwe.

Michina yekuchenesa mvura yemuchina (XCJ-G600 super model)

Chishandiso chemakanika chinoshandisa bharero rinotenderera uye dhiraivha ine simba re7.5 kW kuderedza flash kubva kumaO-rings nezvimwe zvakafanana mumasekonzi 20-40 pabhechi rega rega. Chinangwa chekugadzirisa kwayo ndechekusakara kwemakanika.Ongorora mativi ebhareni uye kucheka mipendero kuti uone kana yasakara, nekuti nzvimbo yakasakara inochekerera zvisina kuenzana uye inopfuudza dambudziko racho pasi.Tarisa mota ne inverter kuti hazvionekwe kana paine kupisa neguruva, uye chengeta bhandi rekutyaira kana coupling yakarongeka. Nehuremu hwese hwe650 kg uye kutenderera kunogara kuchienderera mberi, kuongororwa kwekunyorovesa uye kutenderera kwebearing kunofanira kunge kuri pane rondedzero yemwedzi wega wega.

Michina yekubvisa mvura inotonhora (nitrogen yemvura)

Chigadzirwa ichi chinotonhodza zvikamu kusvika −150°C nenitrogen yemvura mukati memuchina we 80 L roller, wobva wabvisa flash yakasviba mukati memaminitsi asingasviki masere padanho rega rega. Kugadziriswa kwayo kuzere nehunyoro nechando.Dururira mvura inonaya zuva nezuva, nekuti hunyoro hwakavharirwa hunoomesa, hunokura, uye hunoparadza zvisimbiso nemabheyaringi anotenderera.Ongorora tambo yemvura ine nitrogen pamwe nezvishandiso zvayo kuti uone kana paine chando chakadonha, tarisa kuti sensor yekupisa inoverengwa zvakanaka here kana ichienzaniswa nereferensi, uye tarisa roller drive ye20–70 RPM kuti ishande zvakanaka. Nekuti muchina unoshanda kana kuchitonhora zvakanyanya, kuchidziya uye kuchioma mushure mekuchinjana kwega kwega.

Michina yekubvisa simba remhepo

Muchina wemagetsi wemhepo unoshandisa aerodynamics panzvimbo pe liquid nitrogen, uchicheka anenge 4 kg paminiti pakati pe dhayamita yekunze ye 3–80 mm. Chinangwa chayo chekugadzirisa imvura nehurongwa hwemhepo.Chengeta sisitimu yekupfapfaidza miviri yakazadzwa uye maburi emuromo akachena, uye gadzirisa mafirita emhepo nguva dzose, nekuti mhepo isina kuganhurirwa ndiyo inonyanya kukonzera kuchekwa kwemvura zvishoma nezvishoma uye zvisina kuenzana.Sikirini yekubata ine mainchi manomwe inochengeta mabikirwo ezvigadzirwa anosvika 999, saka seti yemaparameter akakanganisika kana akadonha idambudziko rekugadzirisa - chengetedza runyorwa rwemabikirwo nguva nenguva. Midziyo yekuchenesa otomatiki inoderedza kuunganidzwa kwemarara, asi firita yekuchenesa pachayo inoda kubviswa panguva yakatarwa.

Purogiramu Yekugadzirisa Yevhiki Nevhiki uye Yemwedzi

Kuongororwa kwezuva nezuva kunobata matambudziko ipapo ipapo. Mabasa evhiki nevhiki nemwedzi anobata kudzikira kushoma nezvishoma uko kuongororwa kwezuva nezuva kusingaitwe. Gadzirisa tafura iyi kuti ienderane nerudzi rwemuchina wako uye maawa ekugadzira.

Nguva yepakati Basa Rekugadzirisa Inoshanda Kuna
Vhiki rega rega Ongorora uye simbisa zvisungo; tarisa kusimba kwebhandi uye kurongeka kwedhiraivha Mhando dzese
Vhiki rega rega Chenesa kana kutsiva mafirita emhepo; muunganidzwa wevacuum usina chinhu Simba remhepo
Vhiki rega rega Simbisa sensor yekupisa uye kumhanya kweroller zvichienderana nereferensi Kupisa kwemvura
Vhiki rega rega Isa mafuta pamabheringi uye ongorora kupfekwa kwemaringi emubharero Michina
Mwedzi wega wega Ongorora zvisimbiso zvese nemagasket; tsiva zvikamu zvakaoma kana zvakatsemuka Mhando dzese
Mwedzi wega wega Chenesai makabati ekudzora zvakanyanya uye tarisai kubatana kwemagetsi Mhando dzese
Mwedzi wega wega Mabikirwo ekubata-skrini uye ma parameter sets anochengetedza ndangariro Simba remhepo
Mwedzi wega wega Kunyungudutsa zvachose uye kuoma kwekamuri rinotenderera Kupisa kwemvura

Gadzirisa nguva dzekushanda zvichienderana nehuwandu hwemashifiti ako uye nguva yebasa rako. Muchina unoshandisa mashifiti matatu pavhiki unoda mabasa akapetwa kaviri pane muchina weshifiti imwe chete.

Zvikamu Zvekupfeka uye Nguva Dzekutsiva

Zvikamu zvekupfekwa zvinodyiwa, kwete kukundikana. Kuzvitsiva nenguva yakarongwa kunodhura pane kuzvitsiva mushure mekukanganisika, uye kunoita kuti zvikamu zvirambe zvakanaka.

Pfeka Chikamu Nguva Yakajairika Yokutsiva Chiratidzo Chekuti Zvava Kufanira Kuitwa
Mipendero yekucheka mabharero / kuchekerera mativi Kuongorora kwekupfekwa kwega kwega, kazhinji kwemwedzi 12-18 Kuchekwa kusina kuenzana, kupenya kwakasara pazvikamu kuri kuwedzera
Mapombi epfapfaidzo Mwedzi 6–12 Kupfapfaidza kusina kuenzana, zvikamu zvinonamira, kuramba kuri kukwira
Mafirita emhepo Mwedzi 1–3 Kuchekerera zvishoma nezvishoma, kudhonza mota, guruva richipfuura nefirita
Zvisimbiso nemagasket Mwedzi 6–12 (kana paine cryogenic) Kubuda kwemvura, chando chakaungana, mitswe inooneka
Mabheyaringi Kana paine mamiriro ezvinhu, nekuda kwekudengenyeka/ruzha Kutenderera kwakashata, ruzha, kupisa paimba
Mabhandi ekutyaira Mwedzi 12–24 Kutsvedza, kutsemuka, kupenya kwechiso chebhandi

Chengeta zvinhu zvishoma zvekupfeka zvakakosha. Sefa yemadhora makumi mashanu inoshaikwa kwemazuva matatu inogona kudzima tambo inokosha zviuru pazuva.

Maitiro Akanakisisa Ekuisa Mafuta Uye Kuchenesa

Michina inobvisa mvura inodonha kazhinji inokundikana nekuda kwekunyorovesa mafuta zvisina kunaka uye kucheneswa kusina kunaka kupfuura simbi yakasakara. Mitemo yacho iri nyore asi ndiyo inotanga kutyorwa muzvitoro.

Isa mafuta panguva yakatarwa, kwete pamanzwiro ako. Shandisa mafuta kana giredhi remafuta rinotaurwa nemugadziri, uye usasanganise zvinhu zvisingaenderane nazvo. Kuisa mafuta akawanda idambudziko rako pachako:Mafuta akawandisa anokwezva guruva rerabha uye anoshanduka kuita musanganiswa unokwenya unosakara mabheringi nekukurumidza kupfuura dry running.Isa huwandu hwakakodzera panguva yakakodzera, wobva wabvisa chinosundidzira kunze.

Yakachena kuti isasvibiswe, kwete kuti ionekwe. Chinangwa ndechekuchengetedza guruva rerabha nechiedza kubva panzvimbo dzainokuvadza—mabheringi, nzvimbo dzinotungamira, nzvimbo dzemagetsi, uye masensa. Muchina wakachena une vacuum isina chinhu nemafirita akajeka unotonhorera, unochekererwa zvakaenzana, uye unogara kwenguva yakareba. Pamuchina wemagetsi emhepo, dhizaini yemuchina wemagetsi anofambisa mhepo uye kuchenesa otomatiki kunoita kuti izvi zvive nyore, asi vachiri kuda kuti zvasara zvibviswe uye nzvimbo dzacho dzipukutwe nguva nenguva.

Zvinokunetsa Zvinokuudza Nezvekugadzirisa Kwako

Chiratidzo Zvazvinowanzoreva Chiito Chekugadzirisa
Kuchekerera zvisina kuenzana pakati peboka Mucheka wakasakara, muromo wakavharika, kana kuti mhepo inoyerera zvishoma Ongorora zvikamu zvakasakara; chenesa ma nozzles nema filters
Zvikamu zvinonamira panguva yekutenderera Pfapfaidza zvine mwero wakaderera kana kuti zvisina kunaka pakushandisa mushonga wacho Zadzazve mvura (silicone) kana silicone oiri (rabha); maburi akachena
Kunonoka kutenderera kana kusasimba kwekucheka Sefa yemhepo yakasviba kana bhandi rekutyaira rinotsvedza Tsiva firita; tarisa kusimba kwebhandi
Frost kana kuti kubuda kwemvura pa cryogenic unit Zvisimbiso zvegonhi zvakasakara kana kuti zvinotenderera, hunyoro hwakavharirwa Dzorera zvisimbiso; bvisa mvura woomesa mukamuri
Ruzha rwakanyanya kana kudedera Kusashanda zvakanaka kwebheyaringi kana kusarongeka kwedhiraivha Tarisa mabheringi uye kurongeka kwawo; ronga kuchinjana

Zviratidzo zvinoramba zvichiitika ndezvekuchengetedza, kwete rombo rakaipa. Kana dambudziko rimwe chete rikauya mwedzi wega wega, chikonzero chikuru chiri pamusoro pekugadzirisa kwaunoramba uchishandisa.

Nguva Yekufonera Mugadziri

Mamwe mabasa ndeevanhu vakagadzira muchina uyu. Bata mugadziri kana ukaona kusakara kwechimiro, kana zvikanganiso zvemagetsi zvichidzoka, kana kana kugadziriswa kwacho kuchizoda maturusi akakosha kana kutariswa. Kuedza kugadzirisa kwakadzika pasina ruzivo rwakakodzera kunogona kukanganisa garandi uye kunodhura kupfuura kufona kwebasa.

Kana muchina wasvika padanho rekuti kugadzirisa hakuchadzoreri kugadzirwa kwawo, sarudzo iri nani ingave yekuvandudza.Muchina unocheka 4 kg paminiti, kana kutsiva mayunitsi matatu akajairwa, unowanzozvibhadhara nekukurumidza pane kugadzira uchiri kukwegura.Yakazaramuchina wekubvisa rabhainoratidza sarudzo dziripo, kubva kumamodheru emakanika kusvika kumagadzirirwo emagetsi emhepo nemagetsi emhepo.

Mhedziso: Nguva Yokurarama Chisarudzo Chezuva Nezuva

Hapana muchina wekudzima moto unopera panguva yakatarwa. Unopera zvishoma zuva nezuva, uye kana kupfeka ikoko kwezuva nezuva kuchizova makore gumi ekushanda kana kuti kuchigadziriswazve nguva isati yakwana zvinoenderana nesarudzo diki, dzisina kunaka dzinoitwa nguva imwe neimwe: kubvisa hunyoro, kubvisa nozzle, kubvisa mvura inobuda, kutsiva sefa isati yavhara.

Enzanisa kugadzirisa kwako nerudzi rwemuchina wako, nyora purogiramu yakanyorwa uye zvikamu zvidiki, uye rega zviratidzo zvikudzidzise kuti maitiro acho haana kusimba sei. Ita izvozvo, uye muchina unocheka flash yako nhasi ucharamba uchicheka makore mashanu kubva zvino. Usaite zvakawanda, uye mutengo hauonekwi mubhuku rekugadzirisa, asi pamutsetse wekugadzira.

Ruzivo rweMidziyo Yakabatana

• Ongorora zvesemuchina wekubvisa rabhayesarudzo dzesimba remakanika, cryogenic, uye mhepo.

• Onamuchina wekubvisa rabha (Super Model) XCJ-G600ine dhiraivha ye7.5 kW uye O-ring trimming yemasekondi 20–40.

• Ongororamuchina wekuchenesa mvura une nitrogen cryogenicine roller ye80 L uye nzvimbo yekushanda inosvika −150°C.

• Onamuchina mutsva wekubvisa rabha yemhepo ine simbaine dual water/oil spray, auto vacuum cleaning, uye maresipi mazana mapfumbamwe nemapfumbamwe akachengetwa.

Mibvunzo Inowanzo bvunzwa: Kugadzirisa Muchina Wekubvisa Rubber

Ndinofanira kugadzirisa kangani pamuchina wekubvisa rabha?

Ita ongororo yemaminitsi gumi pazuva yekutarisa marara, huwandu hwemafirita, ma nozzles, zvisimbiso, uye ma interlocks ekuchengetedza. Wedzera mabasa evhiki nevhiki akadai sekuchenesa mafirita nekutarisa zvisungo, uye mabasa emwedzi nemwedzi akadai sekuongorora zvisimbiso, kuchenesa makabati emagetsi, uye kuchengetedza mabikirwo. Gadzirisa frequency kumusoro kuti ushande kwemashifiti akawanda.

Sei muchina wangu wekubvisa mvura usingadi mvura zuva nezuva?

Michina inoshandisa cryogenic inomhanya pa-−150°C, uye kuchinja-chinja kwetembiricha pakati pemasevhisi kunoita kuti mvura inyure. Kana hunyoro hukasabudiswa mvura zuva nezuva, hunooma mukati mekamuri uye pedyo nemasevhisi, uye kuwedzera kwacho kunokuvadza masevhisi nema roller bearings. Kusvetuka drain ndeimwe yenzira dzinokurumidza kupfupisa hupenyu hwemuchina une cryogenic.

Chii chinoitika kana mvura kana silicone oil spray ikapera?

Muchina wemagetsi wemhepo une alarm inongoerekana yatanga kana spray yadzikira, izvo zvinodzivirira kubuda kwemvura kusingaenderane nezvinodiwa nemhepo. Kana ukasateerera alarm, zvikamu zvinonamira panguva yekucheka uye kuramba kunomuka. Zadzazve alarm painorira, uye tora alarm nguva nenguva sechiratidzo chekutarisa mamiriro emuchina nemuromo pane kungowedzera chete.

Ndezvipi zvikamu zvinonyanya kupfekwa pamuchina wekubvisa tsvina?

Zvikamu zvinonyanya kupfekwa zvinosanganisira maburi emumabhora nemipendero yekuchekerera, mapombi ekupfapfaidza, mafirita emhepo, maseal nemagasket, mabheringi, uye mabhendi ekutyaira. Nguva dzekutsiva dzinotangira pamwedzi mumwe kusvika mitatu kune mafirita, kusvika kumwedzi gumi nemiviri kusvika makumi maviri nemana kune maburi emumabhora nemabhendi. Chengeta zvinhu zvidiki kuti usatore nguva yekumirira zvikamu.

Ndingagadzirisa masisitimu emagetsi neekudzora ndega here?

Kuchenesa kabhineti yekudzora nguva dzose uye kutarisa zvinobatanidzwa nemaziso zvakanaka kune vashandi vakadzidziswa. Chero chipi zvacho chine chekuita ne inverter, PLC, touch screen, kana zvikanganiso zvemagetsi zvinogara zvichiitika chinofanira kuenda kumugadziri kana nyanzvi yemagetsi. Kusashanda zvakanaka pamasisitimu aya kunogona kukanganisa garandi uye kukonzera njodzi yekuchengetedza.

Ndingaziva sei kana kugadzirisa kusisina kukwana uye ndichifanira kutsiva muchina?

Kana muchina wekubvisa tsvina uchida kugadziriswa nguva nenguva, kunaka kwawo kwekucheka hakuchagari kwakafanana, kana kuti nguva yawo yekufamba yadzikira zvachose, kutsiva kunowanzo pfuura kuramba uchigadzira. Michina yemazuva ano inocheka inenge 4 kg paminiti kana kutsiva mayuniti matatu echinyakare inowanzo dzorera mari yayo nekukurumidza pane kugadzirisa muchina wekare kakawanda.

Xiamen Xingchangjia Zvishandiso Zvisina Kujairika Zvekushandisa Otomatiki Co., Ltd.

Floor1, Building 13, Huli Industrial Park, Meixidao, Tongan, Xiamen China

Email: info@xcjrubber.com | Website: www.xmxcjrubber.com

Yakabudiswa: Nyamavhuvhu 2026 | Yakasimbiswa kekupedzisira: Nyamavhuvhu 2026


Nguva yekutumira: Nyamavhuvhu-18-2026