makina oyika ma pini / makina odulira mawaya otsuka crimping / makina odulira otsogolera

PRESS-FIT AUTO MACHINE?Pezani YICHUAN CHINA

Tiyeni tiwone momwe zimagwirira ntchito:

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Wchipewa ndiDinani-koyenera?
Press-fit ndi njira yolumikizirana pakati pa magawo awiri pomwe gawo limodzi limakakamizika kulowa mubowo laling'ono lina.

Kwenikweni, ndi mtundu wa kusokoneza kokwanira.

ukadaulo wa Press Fit umagwiritsidwa ntchito kwambiri, ndipo kulumikizana kwa PCB ndi imodzi mwamagwiritsidwe ake.

Pofotokozera m'Chitchaina, nthawi zambiri timagwiritsa ntchito mawu osiyanasiyana monga crimping, press fitting, ndi crimping.Makampaniwa nthawi zambiri amagwiritsidwa ntchito mwachindunji "Press fit" pofotokoza.Cholinga chachikulu cha nkhaniyi ndikugwiritsanso ntchito atolankhani pamakampani a PCB (mapini angapo odziwika bwino).

Dinani-koyenera

Ubwino wa Press fit ndi chiyani?
Njira zazikulu zoyika magawo pa PCB ndikuwotcherera ndikusindikiza zoyenera.Tiyeni tiyerekeze ubwino ndi kuipa kwa njira ziwirizi kugwirizana ndi deta ochiritsira.

  Soldering Dinani-koyenera
kumwa 30-40 kW 4-6 kW
chilengedwe Kuwotcherera mpweya ndi nyumba Palibe pokhala
mtengo Amafuna PA, PPS Palibe vuto la kutentha kosungidwa, gwiritsani ntchito zinthu zotsika mtengo monga PBT, PET etc.
Zida Kugulitsa kwakukulu komanso mtengo waukulu wadera Ndalama zochepa komanso malo ochepa
Malo omwe alipo 5-15 mm 2 mm
Chiwopsezo chambiri 0.05 bwino 0.005 zokwanira

Kuchokera pazoyerekeza, titha kuwona kuti Press fit ndi njira yabwinoko yolumikizira PCB kuposa kuwotcherera potengera zizindikiro zina zantchito.Kumene, kuwotcherera si achabechabe, apo ayi sipadzakhala ambiri kuwotcherera mfundo pa PCB.Mwachitsanzo, kuwotcherera nthawi zambiri kumakhala ndi kulolerana kwakukulu kwa kulolerana kwa zikhomo, ndipo kulumikizana ndi kuwotcherera kumakhala kokhazikika, Komabe, Press Fit ndi yabwino pazowonetsa zambiri.

Njira zamapangidwe a Common Press fit
Musanayambe njira yopangira, ndikofunikira kutchula mawu awiri omwe amagwiritsidwa ntchito kwambiri:
PTH: Kupyolera mu Hole
EON: Diso la Singano
Pakadali pano, mapini omwe amagwiritsidwa ntchito pa Press fit kwenikweni ndi zikhomo zotanuka, zomwe zimadziwikanso kuti zikhomo zovomerezeka, zomwe nthawi zambiri zimakhala zazikulu kuposa PTH.Pamsonkhanowu, mbali za singano zimakhala zopunduka, zomwe zimapangitsa kuti pakhale kulumikizana ndi PTH yolimba.Poyerekeza ndi singano yolimba, singano yovomerezeka imatha kuloleza kulolerana kwakukulu kwa PTH.

Press fit design

Singano ya bowo la pini pang'onopang'ono yakhala yotchuka pamsika.Ndizosavuta kupanga ndipo zingagwiritsidwe ntchito ndi ma patent otseguka.Ngakhale sizifunikira kuyesayesa kochulukirapo, zitha kugwiritsidwanso ntchito ndi mayankho okonzekera okonzeka, omwe ali ndi mawonekedwe otsika otsika komanso mphamvu yosunga kwambiri.

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Chithunzi pamwambapa chikuwonetsa zofananira za pini/terminal.Yoyamba ndiyo njira yodziwika kwambiri yopangira.Ndondomeko yopangira pinhole yoyambira ndi yosavuta mwadongosolo, koma imafuna symmetry yapamwamba ndi malo;Chachiwiri ndi katundu wa patent wa TE Company.Kutengera kapangidwe ka pinhole, imakhala ndi ngodya yozungulira pang'ono, yomwe imatha kutengera mabowo osiyanasiyana.Komabe, ili ndi zofunikira zapamwamba za dzenje, ndipo idzatulutsa mphamvu yozungulira pa dzenje;Chachitatu ndi Winchester Electronics 'patent yapitayi "C-PRESS", yomwe imadziwika ndi mawonekedwe a C kuchokera pamtanda.Ubwino wake ndikuti kukakamiza kukanikiza kumapitilira, kusinthika kwa PTH kumakhala kochepa, ndipo choyipa ndichakuti PTH yokhala ndi kabowo kakang'ono ndizovuta kukwaniritsa;Yomaliza ndi pini yamtundu wa H ya FCI Company.Ubwino wake ndikuti ndikosavuta kuwongolera mukamawombera, koma choyipa ndichakuti ndizovuta kupanga pini yolumikizirana.

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Zida wamba ndi njira yopangira
Zida zodziwika bwino za Pin zimaphatikizapo malata amkuwa (CuSn4, CuSn6), mkuwa (CuZn), ndi mkuwa woyera (CuNiSi), zomwe mkuwa woyera umakhala ndi ma conductivity apamwamba, ndipo kutentha kwa ntchito kumatha kupitirira 150 ℃;Chophimbacho nthawi zambiri chimakutidwa ndi electroplating kapena kuviika kotentha μ m + 1 μ M wa Ni + Sn, SnAg kapena SnPb, ndi zina zotero. Monga tafotokozera pamwambapa, mapangidwe a Pin ndi osiyanasiyana, ndipo cholinga chachikulu ndicho kupanga Pin ndi yaying'ono. kukanikiza mphamvu ndi mphamvu yaikulu yogwira pansi pamikhalidwe ya kupanga zosavuta komanso zotsika mtengo.
Zomwe zimagwiritsidwa ntchito kwambiri pa PTH ndi galasi fiber + epoxy resin + copper zojambulazo, zokhala ndi makulidwe> 1.6, ndipo zokutira nthawi zambiri zimakhala malata kapena OSP.Mapangidwe a PTH ndi osavuta.Kawirikawiri, chiwerengero cha zigawo za PCB ndi zazikulu kuposa 4. Kutsegula kwa PTH nthawi zambiri kumakhala kovuta, ndipo zofunikira zenizeni zimadalira mapangidwe a Pin.Nthawi zambiri, makulidwe a plating yamkuwa ndi pafupifupi 30-55 μ m.Kuchuluka kwa malata nthawi zambiri kumakhala> 1 μm.
Kuwunika kwa makina osindikizira / kutulutsa
Kutengera mawonekedwe a pinhole wodziwika bwino monga mwachitsanzo, monga momwe tawonera m'chithunzichi, pali kusintha kwanthawi yayitali pamapindikira panjira yonse yolowera ndikutulutsa, zomwe zimagwirizananso ndi kapangidwe ka Pin.

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Kanikizani mukuchita:

1. Pin imayikidwa mu dzenje, ndipo nsonga imalowa popanda deformation

2. Pin imayamba kukanikiza mkati, EON imayamba kupunduka, ndipo chiwongola dzanja choyamba chikuwonekera pokanikizira.

3. Pin ikupitiriza kukanikiza, EON kwenikweni ilibe mapindikidwe enanso, ndipo kukakamiza kumachepa pang'ono

4. Pin ikupitiriza kukanikiza pansi, kuchititsa mapindikidwe ena, ndi nsonga yachiwiri yoweyula

Zikuoneka mu kukanikiza ndondomeko

Mkati mwa masekondi a 100 pambuyo poti makina osindikizira atsirizidwa, mphamvu yosungirako idzatsika mofulumira, ndi dontho la pafupifupi 20%.Padzakhala kusiyana kofanana molingana ndi mapangidwe osiyanasiyana a pini;Maola 24 pambuyo pa kuyika kwa atolankhani, kuwotcherera kozizira kwa Pin ndi PTH kumatsirizika.

Izi zimachitika chifukwa cha zinthu zakuthupi zachitsulo, ndipo pali malo ochepa oti asinthe.Itha kutsimikiziridwa ngati mphamvu yosungira yomaliza ikukwaniritsa zofunikira za kapangidwe kazinthu kudzera pakuyesa kwamphamvu.

2. Ena kulephera modes pa Pin kuyikapo

Monga momwe tawonetsera m'chithunzichi, piniyo ikhoza kukhala yopunduka, yophwanyidwa, yophwanyidwa, yothyoka komanso yopindika poyikapo.

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Awa ndi njira zolephereka za pini yolumikizirana panthawi yolumikizira atolankhani.Popeza pini yolumikizira iyenera kulowetsedwa mu PTH, ndizotheka kwambiri kuti singadziwike m'maso mutakanikiza, ndipo kuwonongeka kwa mphamvu yamakina sikungawonekere kudzera mu mayeso amagetsi.
Njira zolepherekazi ziyenera kuyang'aniridwa panthawi yosindikiza atolankhani.PROMESS imapereka njira yokhotakhota, zenera, mtengo wapamwamba komanso wocheperako ndi njira zina zowunikira kuti zitsimikizire kuti njira yonse yolumikizira atolankhani ya pini iliyonse ndiyotheka komanso yodalirika.Mutha kuwonanso chiwonetsero chamilandu muvidiyoyi.PROMESS imapereka njira zolondola kwambiri, 100% zowongolera njira zowonetsetsa kuti zinthu zonse zomwe zimachoka kufakitale sizikhala ndi zinthu zolakwika, Kuwongolera njira kungathenso kuchepetsa zinyalala zamafakitale za bolodi la PCB pamlingo wina ndikuchepetsa mtengo wopanga.

3. Dera Lalifupi
Pamwamba pa tini yoyera, kupsinjika maganizo kudzalimbikitsa kukula kwa tini Whisker, zomwe zidzatsogolera kufupi kwa dera losindikizidwa pa bolodi losindikizidwa, motero kuwononga ntchito ya module.Njira zochepetsera kukula kwa ndevu za malata zikuphatikizapo kuchepetsa mphamvu yolowetsa ndi kuchepetsa kukhuthala kwa malata.

Zida zokutira zodziwika bwino za PTH zimaphatikizapo mkuwa, siliva, malata, ndi zina

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Momwe mungathetsere vuto la ndevu za malata?
Pa kukanikiza, kukanikiza mphamvu sadzakhala lalikulu kwambiri, amene ndi ulamuliro wa kukanikiza ndondomeko.Pambuyo kukanikiza, kuyezetsa sampuli kutha kuchitidwa, ndipo ndevu za malata zimawonedwa kwa milungu 12.
4. Tsegulani dera
Jet effect/kutsika pansi:
Pakukanikiza Pin, bolodi losindikizidwa likhoza kuonongeka.Ngati kukangana kuli kwakukulu kwambiri, pamwamba pa bolodi la dera lidzagwedezeka, kukangana kudzawonjezeka, ndipo pamapeto pake PTH idzakankhidwira kunja ndi gawo.Kuchepetsa kuthamanga kungathenso kupewa zotsatira za jet.
Whitening effect/delaminate:
Pakuyika atolankhani, gawo lililonse la bolodi losindikizidwa lidzafinyidwa.Ngati mphamvu yogwiritsidwa ntchito ndi yaikulu kwambiri kapena PTH siikhazikika, bolodi losindikizidwa losindikizidwa likhoza kuthetsedwa.Patapita nthawi, chinyezi chidzalowa m'ming'alu ya bolodi yosindikizidwa, zomwe zimabweretsa kuchepa kwa ntchito yodzipatula
Mavuto awiriwa amatha kuwongoleredwa pang'onopang'ono panthawi yolumikizira atolankhani powongolera mphamvu yokakamiza.Kuyika kwa atolankhani kukamalizidwa, chinthucho chimatha kuyang'aniridwanso poyesa kukana kukhudzana ndi kusanthula kwazitsulo.Kuyesa kukana kulumikizana kumatha kugwiritsidwa ntchito ngati kuyesa kwanthawi zonse, ndipo kusanthula kwa metallographic komwe kumawononga chinthucho, kotero kuwunika kwanthawi zonse kumatha kuchitidwa.
Njira zoyezetsa zodalirika za mankhwala
Imodzi mwa njira zodziwikiratu ndikuyesa kukalamba ndipo ina ndi kuyesa kwa mawonekedwe
Kukalamba ndikofanana ndi boma pambuyo pakugwiritsa ntchito nthawi yayitali kudzera mu zida zoyesera.Njira zodziwika zokalamba ndizo:
1. Kutentha kotentha: - 40 ℃ ~ 60 ℃, kusintha kosalekeza kwa mphindi 30
2. Kutentha kwakukulu: 125 ℃, maola 250
3. Kusintha kwa nyengo: kutentha kwa maola 16 → maola 24 kotentha ndi chinyezi → maola 2 kutentha kutsika →
4. Kugwedezeka
5. Gasi dzimbiri: masiku 10, H2S, SO2

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Mayesowa makamaka kuyesa mphamvu yokankhira ndi mphamvu zamagetsi.
Njira zodziwika bwino ndi izi:
1. Kankhira kunja mphamvu (kugwira mphamvu): > 20N (malinga ndi zofunikira za kapangidwe kazinthu)
2. Kukana kulumikizana: < 0.5 Ω (malinga ndi zofunikira za kapangidwe kazinthu)

Vivian Kang

kangfeifei@yc-mc.com

+86 13538585861

2022-11-09


Nthawi yotumiza: Nov-10-2022