Kodi mungapange bwanji cholumikizira kuti muchepetse kusintha kwa unyolo wa roller?

Kodi mungapange bwanji cholumikizira kuti muchepetse kusintha kwa unyolo wa roller?

Pakupanga unyolo wozungulira, kuwotcherera ndi njira yofunika kwambiri yolumikizira maulalo ndikuwonetsetsa kuti unyolo uli wolimba. Komabe, kusintha kwa kutentha panthawi yowotcherera nthawi zambiri kumakhala vuto lopitirira, zomwe zimakhudza kulondola kwa chinthu ndi magwiridwe antchito ake.maunyolo ozunguliraZingabweretse mavuto monga kupotoka kwa ma link, kupingasa kwa ma link, komanso kusagwirizana kwa ma chain. Mavutowa samangochepetsa mphamvu yotumizira ma transmission komanso amawonjezera kuwonongeka, amafupikitsa nthawi yogwirira ntchito, komanso amachititsa kuti zida zisagwire bwino ntchito. Monga chida chofunikira chowongolera kusintha kwa ma circuit, kapangidwe ka ma welding fixtures kamatsimikizira mwachindunji ubwino wa ma roller chain welding. Nkhaniyi ifufuza zomwe zimayambitsa kusintha kwa ma roller chain welding ndikufotokozera mwadongosolo momwe mungakwaniritsire kulamulira kusintha kwa ma circuit kudzera mu kapangidwe ka sayansi ka ma fixture, kupereka mayankho othandiza aukadaulo kwa akatswiri opanga.

Choyamba, mvetsetsani: Kodi chifukwa chachikulu cha kusintha kwa ma roller chain welding ndi chiyani?

Tisanapange chogwirira ntchito, choyamba tiyenera kumvetsetsa chifukwa chachikulu cha kusintha kwa ma roller chain welding—kutulutsa kupsinjika komwe kumachitika chifukwa cha kutentha kosakwanira komanso kusakwanira kuletsa. Ma roller chain link nthawi zambiri amakhala ndi ma plate akunja ndi amkati, ma pin, ndi ma bushing. Pakuwotcherera, kutentha komwe kumachitika m'deralo kumagwiritsidwa ntchito makamaka pa kulumikizana pakati pa ma plate, ma pin, ndi ma bushing. Zomwe zimayambitsa kusintha panthawiyi zitha kufotokozedwa motere:

Kugawika kwa kutentha kosalinganika: Kutentha kwakukulu komwe kumapangidwa ndi cholumikizira cholumikizira kumapangitsa kuti chitsulo chizikula mofulumira, pomwe madera ozungulira osatenthedwa, chifukwa cha kutentha kwawo kochepa komanso kulimba kwambiri, amagwira ntchito ngati choletsa, kuletsa chitsulo chotenthedwa kuti chisakule momasuka ndikupanga kupsinjika. Panthawi yozizira, chitsulo chotenthedwa chimachepa, chomwe chimalepheretsedwa ndi madera ozungulira, zomwe zimapangitsa kuti chizigwira ntchito movutikira. Kupsinjika kukapitirira muyeso wa chinthucho, kusintha kosatha kumachitika, monga maulalo opindika ndi mapini osakhazikika.

Kulondola kosakwanira kwa malo a zigawo: Kutsika kwa unyolo wa roller ndi kufanana kwa unyolo ndi zizindikiro zazikulu zolondola. Ngati kutanthauzira kwa malo a zigawo mu chogwirira sikukudziwika bwino musanagwiritse ntchito chogwirira ndipo mphamvu yolumikizira siili yokhazikika, zigawozo zimakhala ndi vuto la kusagwirizana kwa mbali kapena kutalika chifukwa cha kutentha kwa kutentha panthawi yogwiritsira ntchito chogwirira, zomwe zimapangitsa kuti ma pitch asinthe komanso kusokoneza unyolo. Kusagwirizana kosayenera pakati pa ndondomeko yogwiritsira ntchito chogwirira ndi chogwirira: Ndondomeko yogwiritsira ntchito chogwirira yolakwika ingayambitse kusonkhanitsa kutentha mu workpiece, zomwe zimapangitsa kuti kusintha kwa malo kukhale koipa. Ngati chogwiriracho sichipereka zoletsa zosinthika kutengera ndondomeko yogwiritsira ntchito chogwirira, kusinthaku kudzawonjezeka kwambiri.

Chachiwiri, mfundo zazikulu za kapangidwe ka zolumikizira: malo olondola, kukhazikika kwa zingwe, ndi kusinthasintha kwa kutentha.

Popeza kapangidwe ka unyolo wozungulira (zigawo zingapo ndi mbale zoonda, zosavuta kusintha) komanso zofunikira pakuwotcherera, kapangidwe ka zida kayenera kutsatira mfundo zitatu zofunika kuti ziwongolere kusintha kwa magwero:

1. Mfundo Yogwirizana ya Datum: Kugwiritsa Ntchito Zizindikiro Zolondola Kwambiri ngati Datum Yoyikira

Kulondola kwakukulu kwa ma rollers chains ndi kulondola kwa pitch ndi kufanana kwa ma chain plate, kotero kapangidwe ka fixture positioning kuyenera kuyang'ana kwambiri pa zizindikiro ziwirizi. Njira yakale yokhazikitsira "one-plane, two-pin" ikulangizidwa: pamwamba pa lathyathyathya pa chain plate ndi malo oyambira (kuchepetsa madigiri atatu a ufulu), ndi ma locating pins awiri, ogwirizana ndi ma pin bowo (kuchepetsa madigiri awiri ndi limodzi a ufulu, motsatana), kukwaniritsa malo okwanira. Ma locating pins ayenera kupangidwa ndi chitsulo chosatha (monga Cr12MoV) ndikuzimitsidwa (kuuma ≥ HRC58) kuti zitsimikizire kuti malo olondola akupitilizabe ngakhale atagwiritsidwa ntchito kwa nthawi yayitali. Mpata pakati pa ma locating pins ndi ma chain plate bowo uyenera kusungidwa pakati pa 0.02-0.05mm kuti zithandize clamping ndikuletsa kuyenda kwa zigawo panthawi yowotcherera.

2. Mfundo Yosinthira Mphamvu Yotsekera: "Yokwanira komanso Yosawononga"

Kapangidwe ka mphamvu yolumikizirana ndikofunikira kwambiri poletsa kusokonekera kwa chitsulo ndi kuletsa kuwonongeka. Mphamvu yolumikizirana kwambiri ingayambitse kusokonekera kwa pulasitiki ya unyolo, pomwe kucheperako kungalepheretse kupsinjika kwa welding. Zinthu zotsatirazi ziyenera kuganiziridwa pakupanga:

Malo olumikizirana ayenera kuyikidwa moyenera: pafupi ndi malo olumikizirana (≤20mm kuchokera ku cholumikizirana) ndikukhala pamalo olimba a mbale ya unyolo (monga pafupi ndi m'mphepete mwa dzenje la pini) kuti mupewe kupindika komwe kumachitika chifukwa cha mphamvu yolumikizirana yomwe imagwira ntchito pakati pa mbale ya unyolo. Mphamvu Yolumikizirana Yosinthika: Sankhani njira yoyenera yolumikizirana kutengera makulidwe a unyolo (nthawi zambiri 3-8mm) ndi zinthu (makamaka zitsulo zopangidwa ndi alloy monga 20Mn ndi 40MnB). Njirazi zikuphatikizapo kulumikiza kwa pneumatic (koyenera kupanga zinthu zambiri, ndi mphamvu yolumikizirana yosinthika kudzera mu chowongolera cha kupanikizika, kuyambira 5-15N) kapena kulumikiza kwa screw (koyenera kusintha pang'ono, ndi mphamvu yokhazikika yolumikizirana).
Cholumikizira Chosinthika: Gasket ya polyurethane (yokhuthala 2-3mm) imayikidwa pamalo olumikizirana pakati pa chipika cholumikizira ndi unyolo. Izi zimawonjezera kukangana pamene zikuletsa chipika cholumikizira kuti chisalowe mkati kapena kukanda pamwamba pa unyolo.

3. Mfundo Yogwirizana Yothetsa Kutentha: Kufananiza Kutentha Pakati pa Clamp ndi Njira Yowotcherera

Kusintha kwa kusonkha kumachitika makamaka chifukwa cha kugawa kutentha kosagwirizana. Chifukwa chake, cholumikiziracho chiyenera kupereka kutayika kwa kutentha kothandizira, kuchepetsa kupsinjika kwa kutentha kudzera mu njira ziwiri za "kutayika kwa kutentha kogwira ntchito komanso kupititsa patsogolo kutentha pang'onopang'ono." Pa kupititsa patsogolo kutentha pang'onopang'ono, thupi la cholumikizira liyenera kupangidwa ndi chinthu chokhala ndi kuperekera kutentha kwakukulu, monga aluminiyamu (kutumiza kutentha 202W/(m・K)) kapena aloyi yamkuwa (kutumiza kutentha 380W/(m・K)), m'malo mwa chitsulo chachikhalidwe (kutumiza kutentha 45W/(m・K)). Izi zimathandizira kupititsa kutentha m'dera losonkha. Pa kutayika kwa kutentha kogwira ntchito, njira zoziziritsira madzi zitha kupangidwa pafupi ndi weld ya cholumikiziracho, ndipo madzi ozizira ozungulira (kutentha kwa madzi komwe kumayendetsedwa pa 20-25°C) akhoza kuyambitsidwa kuti achotse kutentha kwapafupi kudzera mu kusinthana kwa kutentha, zomwe zimapangitsa kuti ntchito yoziziritsira ikhale yofanana.

Chachitatu, Njira Zofunikira ndi Tsatanetsatane mu Kapangidwe ka Clamp kuti Muchepetse Kusintha kwa Roller Chain

Kutengera mfundo zomwe zili pamwambapa, tifunika kuyang'ana kwambiri kapangidwe kathu pa kapangidwe ndi ntchito zinazake. Njira zinayi zotsatirazi zitha kugwiritsidwa ntchito mwachindunji popanga zinthu zenizeni:

1. Kapangidwe ka Malo Okhazikika: Kosinthika ku Mafotokozedwe Ambiri a Unyolo Wozungulira, Kuonetsetsa Kuti Malo Amakhala Okhazikika

Ma rollers chains amabwera m'njira zosiyanasiyana (monga 08A, 10A, 12A, ndi zina zotero, okhala ndi ma pitches kuyambira 12.7mm mpaka 19.05mm). Kupanga chogwirira chosiyana pa chilichonse kungapangitse kuti ndalama ziwonjezeke komanso nthawi yosinthira. Tikukulimbikitsani kugwiritsa ntchito zigawo zoyika modular positioning: Ma positioning pins ndi ma blocks apangidwa kuti athe kusinthidwa ndikulumikizidwa ku maziko a chogwirira kudzera mu ma bolts. Mukasintha ma specifications, ingochotsani gawo lakale la chogwirira ndikuyika latsopano ndi pitch yofanana, kuchepetsa nthawi yosinthira kukhala mphindi zosakwana 5. Kuphatikiza apo, ma positioning datums a zigawo zonse zoyika modular ayenera kugwirizana ndi datum pamwamba pa maziko a chogwirira kuti zitsimikizire kulondola kokhazikika kwa ma roller chains a ma specifications osiyanasiyana.

2. Kapangidwe ka Zoletsa Zofanana: Kuchepetsa "Kuyanjana" kwa Kupsinjika kwa Zowotcherera

Kuwotcherera unyolo wozungulira nthawi zambiri kumaphatikizapo mapangidwe ofanana (monga kuwotcherera pini ku unyolo wozungulira nthawi imodzi). Chifukwa chake, chogwiriracho chiyenera kugwiritsa ntchito kapangidwe kofanana koletsa kuti chichepetse kusintha mwa kuchepetsa kupsinjika. Mwachitsanzo, panthawi yowotcherera unyolo wozungulira ndi pini, chogwiriracho chiyenera kuyikidwa molingana ndi ma blocks oyika ndi zida zomangira mbali zonse ziwiri za unyolo kuti zitsimikizire kuti kutentha kumalowa bwino komanso mphamvu yoletsa. Kuphatikiza apo, chipika chothandizira chothandizira chikhoza kuyikidwa pakati pa unyolo, kugwedezeka ndi ndege ya unyolo, kuti muchepetse kupsinjika kopindika pakati panthawi yowotcherera. Deta yothandiza ikuwonetsa kuti kapangidwe kofanana koletsa kumatha kuchepetsa kupotoka kwa ma pitch mu unyolo wozungulira ndi 30%-40%.

3. Kutsatira Kotsatira Koyenera: Kusintha Kusintha kwa Kutentha Panthawi Yowotcherera

Pa nthawi yowotcherera, chogwirira ntchitocho chimasunthika pang'ono chifukwa cha kutentha kwakukulu komanso kupindika. Njira yokhazikika yolumikizira imatha kuyambitsa kuchuluka kwa kupsinjika. Chifukwa chake, chogwiriracho chingapangidwe ndi njira yotsatirira yolumikizira: sensa yosunthira (monga sensa yosunthira ya laser yolondola ya 0.001mm) imayang'anira kusintha kwa mbale ya unyolo nthawi yeniyeni, ndikutumiza chizindikiro ku dongosolo lowongolera la PLC. Kenako mota ya servo imayendetsa block yolumikizira kuti isinthe pang'ono (yomwe ili ndi kusintha kwa 0-0.5mm) kuti isunge mphamvu yoyenera yolumikizira. Kapangidwe kameneka ndi koyenera kwambiri pakulumikiza unyolo wozungulira wa thick-plate (makulidwe ≥ 6mm), zomwe zimaletsa bwino kusweka kwa unyolo komwe kumachitika chifukwa cha kusintha kwa kutentha.

4. Kupewa Kusontha ndi Kapangidwe ka Malangizo: Kumatsimikizira Njira Yolondola Yosontha ndi Kuchepetsa Malo Okhudzidwa ndi Kutentha
Pa nthawi yowotcherera, kulondola kwa njira yoyendetsera mfuti yowotcherera kumakhudza mwachindunji ubwino wa weld ndi momwe kutentha kumalowera. Chogwiriziracho chiyenera kukhala ndi groove yopewera weld seam ndi chitsogozo cha mfuti yowotcherera. Mzere wopewera wooneka ngati U (wokulirapo 2-3mm kuposa msoko wowotcherera ndi kuya kwa 5-8mm) uyenera kupangidwa pafupi ndi mzere wowotcherera kuti upewe kusokoneza pakati pa chogwiriziracho ndi mfuti yowotcherera. Kuphatikiza apo, njanji yowongolera iyenera kuyikidwa pamwamba pa chogwiriziracho kuti zitsimikizire kuti mfuti yowotcherera ikuyenda mofanana panjira yokonzedweratu (liwiro lowotcherera la 80-120mm/min ndi lofunikira), kuonetsetsa kuti weld ndi yowongoka komanso kutentha kofanana. Zipangizo zotetezera za ceramic zitha kuyikidwanso mu groove yopewera kuti zipewe kufalikira kwa weld kuti zisawononge chogwiriziracho.

Chachinayi, Kukonza ndi Kutsimikizira Zokonza: Kulamulira Kotsekedwa Kuyambira Pakapangidwe Mpaka Kukhazikitsa

Kapangidwe kabwino kamafunika kukonza ndi kutsimikizira kasanayambe kugwiritsidwa ntchito. Masitepe atatu otsatirawa angatsimikizire kuti chogwiriracho chikugwira ntchito bwino komanso chodalirika:

1. Kusanthula kwa Finite Element Simulation: Kuneneratu Kusintha kwa Zinthu ndi Kukonza Kapangidwe kake

Asanapange zida zolumikizira, ma simulation a ma thermal-structural coupling amachitidwa pogwiritsa ntchito mapulogalamu a finite element monga ANSYS ndi ABAQUS. Kuyika ma roller chain material parameters (monga thermal expansion coefficient ndi elastic modulus) ndi ma welding process parameters (monga welding current ya 180-220A ndi voltage ya 22-26V) kumatsanzira kutentha ndi kugawa kwa stress mu fixture ndi workpiece panthawi yolumikiza, kuneneratu madera omwe angasinthe. Mwachitsanzo, ngati simulation ikuwonetsa kupindika kwakukulu pakati pa chain plate, chithandizo chowonjezera chikhoza kuwonjezeredwa pamalo oyenera mu fixture. Ngati kuchuluka kwa stress kumachitika pa locating pin, pini's fillet radius ikhoza kukonzedwa bwino (R2-R3 ikulangizidwa). Simulation efficiency coupling ingachepetse ndalama zoyesera ndi zolakwika za fixture ndikufupikitsa nthawi yopangira.

2. Kutsimikizira kwa Kuyesa kwa Weld: Kuyesa kwa Gulu Laling'ono ndi Kusintha Kobwerezabwereza

Pambuyo poti chogwiriracho chapangidwa, chitani kutsimikizira kwa weld yoyeserera ya gulu laling'ono (koyenera: zidutswa 50-100). Yang'anani kwambiri pa zizindikiro zotsatirazi:

Kulondola: Gwiritsani ntchito maikulosikopu ya chida cha universal kuti muyese kupindika kwa pitch (kuyenera kukhala ≤0.1mm) ndi kufanana kwa chain plate (kuyenera kukhala ≤0.05mm);

Kusintha: Gwiritsani ntchito makina oyezera kuti muone kusalala kwa mbale ya unyolo ndikuyerekeza kusinthako asanayambe komanso atamaliza kuwotcherera;

Kukhazikika: Mukamaliza kusonkha zidutswa 20 mosalekeza, yang'anani malo omwe chipangizocho chili ndi mapini ndi mabuloko olumikizirana ali ndipo onetsetsani kuti mphamvu yolumikizirana ndi yokhazikika.

Kutengera zotsatira za kuyesa kwa weld, kusintha mobwerezabwereza kumachitika pa chogwiriracho, monga kusintha mphamvu yolumikizira ndi kukonza malo a njira yoziziritsira, mpaka chikwaniritse zofunikira pakupanga zinthu zambiri.

3. Kukonza ndi Kukonza Tsiku ndi Tsiku: Kuonetsetsa Kuti Zinthu Zili Zolondola Kwa Nthawi Yaitali

Pambuyo poti chogwirira ntchito chayamba kugwira ntchito, njira yosamalira ndi kuwerengera nthawi zonse iyenera kukhazikitsidwa:

Kukonza Tsiku ndi Tsiku: Tsukani madontho a soldering ndi madontho a mafuta pamwamba pa chogwirira, ndipo yang'anani ngati pali kutuluka kwa madzi m'makina a pneumatic/hydraulic a chipangizo chomangirira.

Kukonza kwa Sabata Iliyonse: Gwiritsani ntchito ma gauge blocks ndi dial indicators kuti muwongolere kulondola kwa malo a ma locating pins. Ngati kusintha kwadutsa 0.03mm, sinthani kapena kusintha mwachangu.

Kuyang'anira kwa Mwezi: Yang'anani njira zoziziritsira madzi kuti muwone ngati zatsekeka ndipo sinthani ma gasket a polyurethane osweka ndikupeza zigawo zake.

Kudzera mu kukonza kokhazikika, nthawi ya moyo wa chogwiriracho imatha kukulitsidwa (nthawi zambiri mpaka zaka 3-5), kuonetsetsa kuti chiwongolero cha kusintha kwa zinthu chikuyenda bwino panthawi yopanga zinthu kwa nthawi yayitali.

Chachisanu, Phunziro la Nkhani: Njira Zowongolera Makina ku Kampani Yogulitsa Makina Olemera

Kampani yopanga ma rollers chain olemera (omwe amagwiritsidwa ntchito mumakina amigodi) inali ndi mavuto ndi kusokonekera kwakukulu (≥0.3mm) mu ma chain links pambuyo powotcherera, zomwe zinapangitsa kuti chiŵerengero cha malonda chikhale 75% yokha. Kudzera mu kusintha kwa zinthu zotsatirazi, chiŵerengero cha kupambana chinakwera kufika pa 98%:

Kusintha kwa malo: Pini yoyambirira yopezera malo inasinthidwa ndi njira yoyikira "pini ziwiri + malo athyathyathya", zomwe zinachepetsa malo olowera kufika pa 0.03mm ndikuthetsa vuto la kuchotsera magawo;

Kukonza kutentha kotayika: Thupi la chogwiriracho limapangidwa ndi aloyi wamkuwa ndipo lili ndi njira zoziziritsira, zomwe zimawonjezera kuzizira m'dera la weld ndi 40%;

Kukanikiza kwamphamvu: Sensor yosunthika ndi makina okanikiza a servo ayikidwa kuti asinthe mphamvu yokanikiza nthawi yeniyeni kuti apewe kupsinjika;

Zoletsa zofanana: Mabuloko olumikizirana ofanana ndi mabuloko othandizira amayikidwa mbali zonse ziwiri za unyolo kuti achepetse kupsinjika kwa welding.

Pambuyo pa kusinthaku, kupindika kwa ma pitch kwa unyolo wozungulira kumayendetsedwa mkati mwa 0.05mm, ndipo kupotoka ndi ≤0.1mm, zomwe zimakwaniritsa zofunikira za kasitomala molondola kwambiri.

Pomaliza: Kapangidwe ka zinthu ndi "mzere woyamba wodzitetezera" pa ubwino wa kuwotcherera unyolo wozungulira.

Kuchepetsa kusintha kwa ma roller chain welding si nkhani yongowonjezera gawo limodzi, koma njira yokhazikika yomwe imaphatikizapo malo, clamping, heat dissipation, processing, ndi kukonza, ndipo kapangidwe ka welding fixture ndiye gawo lalikulu. Kuyambira kapangidwe kogwirizana, mpaka ku adaptive clamping force control, mpaka kapangidwe kosinthasintha ka dynamic follow-up, tsatanetsatane uliwonse umakhudza mwachindunji zotsatira za kusintha.