Maupangiri a Wogula Makina Owotcherera: 6 Zofunikira za MFDC Zopanga Zaku India

M'nthawi yamakono yomwe kupanga kumafuna khalidwe lapamwamba komanso luso lapamwamba, ndimakina kuwotcherera maloyakhala njira yokondedwa kuposa zowotcherera zachikhalidwe za AC, chifukwa cha magwiridwe ake apamwamba. Amagwiritsidwa ntchito kwambiri popanga magalimoto, mlengalenga, kupanga mabatire amagetsi atsopano, ndi -zigawo zopangira zida zapamwamba kwambiri .

Komabe, ndi mitundu yambiri ndi mitundu yomwe ilipo pamsika, vuto la akatswiri ogula zinthu ndi momwe angasankhire mwasayansi komanso molondola chowotcherera cha MFDC chomwe chimakwaniritsa zosowa zawo zopangira.

Nkhaniyi ikuwunikira-kuwunika mozama kwa zizindikiro zisanu ndi chimodzi zaukadaulo zomwe muyenera kuyang'ana mukagula chowotcherera cha MFDC, komanso upangiri wothandiza pakugula zinthu kukuthandizani kupewa misampha yosankha ndikutsimikizira kuti mwapeza ndalama zopindulitsa.

Rated Power (KVA) ndiye chizindikiritso cha mphamvu yakutulutsa mphamvu kwa wowotchera, pomwe Duty Cycle ndiye metric yofunikira pakuwunika momwe zida zimagwirira ntchito popanga mosalekeza.

1. Mphamvu Yovotera (KVA)

Mphamvu zovotera za MFDC spot welder nthawi zambiri zimatanthawuza mphamvu zowoneka bwino zomwe zida zimatha kutulutsa mosasunthika panthawi inayake. Kusankhidwa kwa mphamvu kuyenera kutsimikiziridwa potengera makulidwe, mtundu wa zinthu zomwe zimayenera kuwotcherera, komanso kuthamanga kofunikira. Mwachitsanzo, kuwotcherera kwamphamvu Kwambiri{{2}Mapuleti aChitsulo Champhamvu (HSS) kapena kutsika-zinthu zotha kupirira ngati ma aluminiyamu amafunikira mphamvu yowotcherera yokwera pompopompo, motero pamafunika makina okhala ndi mphamvu zokulirapo.

2. Ntchito Yozungulira

Duty Cycle (yofotokozedwa ngati peresenti) imatanthawuza kuchuluka kwa nthawi yomwe zida zimatha kugwira ntchito mosalekeza mkati mwanthawi yozungulira (nthawi zambiri mphindi 10).

Fomula: Kuzungulira Kwantchito=(Nthawi Yogwira Ntchito / (Nthawi Yogwira Ntchito + Nthawi Yopuma)) × 100%

• Owotcherera Achikhalidwe a AC nthawi zambiri amakhala ndi ntchito yochepa (mwachitsanzo, 10% mpaka 20%).
• MFDC Inverter Welders, chifukwa chaukadaulo wawo wosinthira wa IGBT komanso makina oziziritsira ozungulira madzi [14], amakhala ndi ntchito yayikulu kwambiri. Zipangizo zabwino zimayenera kufika 50% kapena kupitirira apo, zokhala ndi-zomaliza zomwe zimatha kugwira ntchito 100% , zomwe zimalola kuti --zigwire ntchito{6}}nthawi zonse ndi kupititsa patsogolo ntchito zopanga bwino.

Upangiri wa Katundu Wogula: Kuti{0}}zichuluke kwambiri, zopangira makina opangira makina mosalekeza, tikulimbikitsidwa kusankha zida zokhala ndi 60% kapena kupitilira apo. Izi zimalepheretsa kutsika pafupipafupi chifukwa cha kutenthedwa, kuonetsetsa kuti ntchito yokhazikika komanso yokhazikika ya mzere wopanga.

Kuwongolera kwamakono ndiye mwayi waukulu waukadaulo womwe umasiyanitsa ma weld a MFDC ndi owotcherera achikhalidwe cha AC, ndikudziwitsa mwachindunji kusasinthika ndi kukhazikika kwa mtundu wa weld.

1. Ulamuliro Wapamwamba-Wolondola Panopa

Ukadaulo wa inverter wa MFDC umawongolera ma frequency a mains (50/60Hz), amawatembenuza kudzera mu ma module a IGBT kukhala Medium Frequency AC yapano ya 1000Hz mpaka 4000Hz, yomwe imatsitsidwa ndi thiransifoma ndikusinthidwa kukhala DC pulse output [5].

• Ubwino:{0}}Kusintha pafupipafupi kumalola kuti pakhale malamulo othamanga kwambiri. -Zowotchera zamtundu wa MFDC zamtundu wapamwamba zimatha kukwaniritsa kuwongolera komwe kulipo mpaka pamlingo wa millisecond (monga 0.001 ms). Kulondola kwapamwamba kumeneku kumatsimikizira kuti mphamvu yolowera pamalo aliwonse owotcherera imakhala yofanana kwambiri pokwaniritsa{7}}nthawi yeniyeni ya kusinthasintha kwa gridi yamagetsi ndi kusintha kwa ma workpiece resistance.
• Kugwiritsa ntchito: Kuwongolera{0}}kulondola kwambiri ndikofunikira powotchera mapepala owonda, zitsulo zowoneka bwino (monga ma aluminiyamu aloyi), kapena malata. Imatsekereza spatter, imachepetsa kutentha-affected zone (HAZ), ndikuwonetsetsa kuti zokutira siziyaka kwambiri.

2. Inverter pafupipafupi

Ma frequency a inverter a mainstream MFDC spot welders amachokera ku 1kHz mpaka 4kHz. Kuthamanga kwafupipafupi kumatanthauza nthawi yokwera kwambiri komanso kuwongolera kwapamwamba, komanso kulola kukula kwa transformer yaying'ono.

Upangiri Wogula: Yang'anani kwambiri ngati zida zili Zotsekedwa-Loop Current Feedback Control. Pazinthu zowotcherera zomwe zili ndipamwamba kwambiri-zofunika zabwino kwambiri (monga zida zotetezera magalimoto), sankhani cholozera chokhala ndi 4kHz high-inverter yafupipafupi komanso yowunikira mafunde apano.

Kuthamanga kwa Electrode ndi chimodzi mwazinthu zinayi zofunika kwambiri pakuwotcherera kukana (Panopa, Nthawi, Kupanikizika, Kutentha). Kulondola kwake komanso liwiro la kuyankha ndikofunikira kwambiri pamtundu wa weld.

1. Wide-Range Pressure Adjustment

Chowotchera chapamwamba kwambiri cha MFDC chiyenera kukhala chotambalala-chosiyanasiyana, chapamwamba-champhamvu kwambiri (monga ma welder a pneumatic amatha kufika 3KN mpaka 10KN, pomwe ma servo welder ali ndi mitundu yokulirapo). Izi zimalola zidazo kuti zigwirizane ndi ma workpieces osiyanasiyana makulidwe ndi zida:

• Kupanikizika Kosakwanira: Kumatsogolera mosavuta kukana kukhudzana kwambiri, kumayambitsa spatter kwambiri, komanso kupanga ma nugget.
• Kupanikizika Kwambiri: Itha kuphwanya chitsulo chopyapyala, kufulumizitsa kuvala kwa ma elekitirodi, ndikusokoneza kukula kwa nugget.

2. Kutsatira kwa Electrode-

Kutsatira-kukutanthauza kuthekera kwa ma elekitirodi kulondola mwachangu komanso molondola mphindi yakusuntha kwa chogwiriracho pamene chikufewa komanso kukhazikika chifukwa cha kutentha panthawi yowotcherera.

• Zofunika: Kusatsata bwino-kungapangitse kuti malo olumikizana a chogwiriracho asiyane pa nthawi yokwera, zomwe zimapangitsa "zowotcherera" kapena "kuthwanima," kusokoneza mphamvu zowotcherera [2].
• Kugwiritsa Ntchito Zaukadaulo: -zowotchera zamtundu wa MFDC zomaliza nthawi zambiri amagwiritsa ntchito masilinda otsika-inertia pneumatic cylinder kapena Servo Motor Drives (Servo Spot Welders) kuti atsimikizire kukhathamiritsa kwamphamvu komanso kutsatira mosadukiza mkati mwa ma milliseconds.

Upangiri Wogula: Ngati bajeti ilola, Servo Spot Welder ndiye chisankho chomwe chimakonda, chifukwa chimapereka zowongolera bwino, zowongolera zowongolera, makamaka zoyenera kupanga zokha zomwe zimafuna kusinthasintha kwapamwamba kwambiri.

MFDC spot welders amafuna magetsi-atatu. Chifukwa cha kuchuluka kwawo-mphamvu, magwiridwe antchito, amafunikira kukhazikika kwamphamvu kuchokera ku gridi yamagetsi komanso kuthekera kolimbana ndi-kusokonekera kwa makinawo.

1. Kusinthasintha kwa Mphamvu

Ukadaulo wa MFDC inverter umapereka zabwino za Power Factor yapamwamba (pafupi ndi 1.0) komanso kuchuluka kwa magawo atatu-pagawo atatu, zomwe zimachepetsa kwambiri kukhudzidwa kwa gridi yamagetsi. Komabe, kusinthasintha kwa gridi yamagetsi kumakhala kofala m'mafakitale, makamaka kumadera ngati India komwe kukhazikika kwa gridi kumatha kusiyanasiyana.

• Zida Zapamwamba: Ziyenera kukhala ndi mitundu yosiyanasiyana yamagetsi amagetsi komanso kukana kusinthasintha kwa gridi. Mwachitsanzo, kuthekera kosunga zotulutsa zowotcherera zokhazikika mkati mwa kusintha kwamagetsi kwa ± 15%.
• Data Reference: Poyerekeza ndi zowotcherera zachikhalidwe za AC, ma welder a MFDC amatha kukonza mphamvu yamagetsi pagululi mpaka pamwamba pa 0.95, kuchepetsa kutayika kwamphamvu kwamphamvu komanso mtengo wamagetsi.

2. Kuzizira System

Dongosolo lozizirira bwino lomwe ndi lofunikira pakuwonetsetsa kusinthasintha kwamagetsi kwa zida ndi kayendedwe kantchito.

• Chofunika Chachikulu: Makinawa ayenera kukhala ndi makina oziziritsira-othamanga kwambiri,{1}}apamwamba kwambiri a m'mutu kuti aziziziritsa mokwanira ma module a IGBT, thiransifoma, ndi malangizo a electrode [14].
• Muyezo: Kutentha kwa madzi ozizira kuyenera kuyang'aniridwa mosamalitsa mpaka Kuchepera kapena kofanana ndi madigiri 30 kuti zitsimikizire kuti{1}}zikugwira ntchito mokhazikika kwanthawi yayitali komanso moyo wautumiki wa ma module ndi maelekitirodi.

Upangiri Wogula: Yang'anani mosamalitsa kuchuluka kwamagetsi amagetsi a zida ndi kapangidwe ka makina ozizirira. Kwa madera omwe ali ndi kutentha kwakukulu kapena mtundu wa gridi wosakhazikika, sankhani zitsanzo zokhala ndi kutentha kodziyimira pawokha-ma tanki amadzi olamulidwa ndi ntchito zowunikira bwino kayendetsedwe kake. Zindikirani: Ku India, mphamvu zamafakitale nthawi zambiri zimakhala 415V, 3-phase, 50Hz, choncho onetsetsani kuti makinawo adavotera magetsi awa kapena ali ndi chosinthira / chosinthika choyenera.

M'njira yomwe ikuchulukirachulukira yakuchulukirachulukira kwamitundu ingapo, yaying'ono-kupanga ma batch, kusinthika kwa zinthu za spot welder ndi kusinthasintha kwazinthu ndizofunikira kwambiri.

1. Ntchito Zofunika Range

Zowotcherera mawanga a MFDC zimapereka kusinthika kwabwino kuzinthu zosiyanasiyana zovuta [5]:

• Advanced High-Strength Steel (AHSS/UHSS): Kuwongoleredwa kolondola kwa kutentha kumalepheretsa kuuma, kumachepetsa kupangika kwa zolimba ndi ming'alu [1].
• Aluminiyamu Aluminiyamu: Zida zotsika-zosagwira ntchito zimafuna mphamvu yaposachedwa kwambiri, zomwe ma welder a MFDC amatha kubweretsa mokhazikika.
• Galvanized Steel: Kutulutsa kwa DC kumatalikitsa moyo wa ma elekitirodi, kumachepetsa kuyaka kwa zokutira-ndi kuwongolera kukongola kwa malo oyezera.

2. Njira Yosungiramo Nawonso Database ndi Programmability

Owotcherera amakono a MFDC ayenera kukhala ndi nkhokwe yotseguka komanso yolemera, yomwe imalola ogwiritsa ntchito kusunga ndikukumbukira magawo azowotcherera opangira zinthu zosiyanasiyana komanso makulidwe osiyanasiyana.

• Scalability: Ganizirani ngati zidazo zili ndi scalability yabwino komanso njira zoyankhulirana (monga EtherCAT, ProfiNet, kapena ma protocol omwe amapezeka ku India) kuti aziphatikizana m'mizere yowotcherera yokhazikika kapena malo opangira maloboti [3].

Upangiri Wogula: Nthawi zonse yesani zitsanzo pogwiritsa ntchito zovuta kwambiri-ku{1}kuwotcherera zinthu zomwe mumapanga. Komanso, tsimikizirani kuti Human{3}}Machine Interface (HMI) ya chipangizochi imathandizira-zosungirako zinthu zambirimbiri komanso kusintha mwachangu.

HMI yabwino kwambiri ndi ntchito yowunikira deta ndiye maziko owongolera magwiridwe antchito, kupangitsa kutsata bwino, ndikukwaniritsa kupanga mwanzeru.

1. Human-Machine Interface Design (HMI)

• Zofunika: Mawonekedwewa akuyenera kukhala omveka bwino komanso omveka bwino, pogwiritsa ntchito-chitseko chachikulu cha LCD chokhala ndi malingaliro osavuta. Iyenera kuwonetsa ma graph enieni-mawonekedwe a nthawi ya magawo apakati monga welding current, voltage, pressure, ndi nthawi.
• Ubwino: Chiwonetsero chowoneka bwino cha ma waveform chimathandiza ogwiritsa ntchito ndi mainjiniya kuzindikira mwachangu zolakwika zowotcherera, kuchepetsa zolakwika za anthu.

2. Kuyang'anira Ubwino ndi Kufufuza kwa Data

-Zowotchera za MFDC zomaliza ziyenera kukhala ndi-zowunikira nthawi yeniyeni, monga:

• SPC (Statistical Process Control) Ntchito: Imalemba zokha magawo a malo aliwonse owotcherera ndikusanthula ziwerengero.
• Kusungirako Zidziwitso ndi Kutumiza kunja: Kutha kusunga zidziwitso zowotcherera kwanuko kapena kuzitumiza kudzera pa netiweki kuti zitheke kutsatiridwa ndi malo aliwonse owotcherera ndizofunikira kwambiri pamafakitale monga zamagalimoto ndi zakuthambo.

Upangiri pa Zogula: Unikani mawonekedwe a data ndi mphamvu yosungira. Wowotchera wokhala ndi mitengo yodula mitengo yonse komanso ntchito zotsatirika ndi chida chofunikira pakukhazikitsa Viwanda 4.0 ndikuwongolera fakitale mwanzeru.

Kugula MFDC spot welder ndi ndalama yanthawi yayitali-. Tikukulimbikitsani kuti musinthe maganizo anu kuchoka pa kupikisana pamitengo n’kuyamba kuchita zinthu mokhazikika, kukhazikika, ndi zodula-nthawi yayitali.

Kusankha aMFDC spot welderKuchita bwino kwambiri komanso kugwiritsa ntchito bwino sikudzangowonjezera mtundu wa weld yanu ndikuchepetsanso-ndalama zokonzetsera kwanthawi yayitali komanso kudzakhala ngati chitsimikizo cholimba chaukadaulo wamsika wampikisano.

Lumikizanani tsopano