Glue Dispensing Nozzle Needles

Khoom Specification

Khoom Qhia

Dispensing thev naus laus zis tuaj yeem muab faib ua kev sib cuag thiab tsis sib cuag. Kev sib cuag dispensing cia siab rau ntawm rab koob txhaj tshuaj los coj cov kua nplaum kom tiv tauj lub substrate, ncua sijhawm rau lub sijhawm ua kom cov kua nplaum nkag mus rau hauv lub substrate, thiab tom qab ntawd cov koob txhaj tshuaj txav mus rau sab saud, thiab cov kua nplaum sib cais los ntawm rab koob los ntawm cov kua nplaum. quab yuam ntawm cov kua nplaum thiab cov substrate, yog li cov kua nplaum yog tsim rau ntawm lub substrate.

Lub dav hlau valve yog qhov loj tshaj plaws ntawm cov tshuab xa khoom. Lub dav hlau valve yuav tsum tau nruab nrog lub siab-precision siab sensor kom raug tswj qhov siab ntawm rab koob poob thiab nqa. Lub valve tsis sib cuag siv lub siab siab rau cov kua nplaum nyob rau hauv ib txoj kev, yog li tau txais lub zog kinetic txaus thiab tom qab ntawd txau nws mus rau lub substrate ntawm ib qho ceev. Thaum lub sij hawm cov txheej txheem ntawm kev txau cov kua nplaum, cov koob tsis muaj kev hloov pauv hauv Z-axis kev taw qhia.

1. Qhov luaj li cas ntawm cov khoom siv

Raws li kev ua haujlwm dhau los, txoj kab uas hla ntawm cov nplaum nplaum yuav tsum yog ib nrab ntawm qhov sib txawv ntawm lub ncoo, thiab txoj kab uas hla ntawm cov nplaum nplaum tom qab patching yuav tsum yog 1.5 npaug ntawm txoj kab uas hla ntawm cov nplaum nplaum. Qhov no ua kom ntseeg tau tias muaj cov kua nplaum txaus los txuas cov khoom sib txuas yam tsis tau ntub cov ntaub qhwv nrog cov kua nplaum ntau dhau. Tus nqi ntawm cov kua nplaum dispensed yog txiav txim los ntawm lub sij hawm tig ntawm lub twj tso kua mis ntsia hlau. Hauv kev xyaum, lub sijhawm sib hloov ntawm lub twj tso kua mis yuav tsum raug xaiv raws li cov txheej txheem tsim khoom (chaw kub, viscosity ntawm cov kua nplaum, thiab lwm yam).

2. Dispensing siab (rov qab siab)

Tam sim no, cov kua nplaum nplaum siv lub twj tso kua mis los muab cov kua nplaum thiab cov hose los ua kom lub zog kom muaj kua nplaum txaus los muab cov twj tso kua mis. Yog tias lub nraub qaum siab dhau lawm, nws yuav yooj yim ua rau cov kua nplaum dhau thiab cov kua nplaum ntau dhau; yog tias lub siab me me dhau lawm, yuav muaj cov kua nplaum sib cuam tshuam thiab xau, ua rau muaj qhov tsis xws luag. Lub siab yuav tsum tau xaiv raws li cov kua nplaum uas zoo ib yam thiab qhov kub ntawm qhov chaw ua haujlwm. Yog hais tias qhov kub thiab txias ambient siab, viscosity ntawm cov kua nplaum yuav ua me me thiab fluidity yuav zoo dua. Nyob rau lub sijhawm no, nws yog ib qho tsim nyog yuav tsum tau txo qis rov qab los xyuas kom meej cov khoom ntawm cov kua nplaum, thiab rov ua dua.

3. Koob loj

Hauv kev xyaum, lub puab txoj kab uas hla ntawm rab koob yuav tsum yog 1/2 ntawm txoj kab uas hla ntawm lub dispensing point. Thaum lub sij hawm dispensing txheej txheem, lub dispensing koob yuav tsum tau xaiv raws li qhov loj ntawm lub ncoo ntawm lub PCB: piv txwv li, qhov luaj li cas ntawm lub ncoo ntawm 0805 thiab 1206 tsis ntau txawv. Tib hom rab koob tuaj yeem xaiv tau, tab sis cov koob sib txawv yuav tsum raug xaiv rau cov ntaub qhwv nrog qhov sib txawv, uas tuaj yeem tsis tsuas yog ua kom cov kua nplaum zoo, tab sis kuj txhim kho kev tsim khoom.

4. Qhov kev ncua deb ntawm rab koob thiab PCB pawg thawj coj saib

Cov khoom siv sib txawv siv cov koob sib txawv, thiab qee cov koob muaj qee qhov kev sib tsoo (xws li CAM / A LOT 5000). Kev ntsuas qhov kev ncua deb ntawm rab koob thiab PCB yuav tsum tau ua thaum pib ntawm txhua txoj haujlwm, uas yog, Z-axis qhov siab calibration.

5. Cov kua nplaum kub

Feem ntau, epoxy resin kua nplaum yuav tsum tau muab cia rau hauv lub tub yees ntawm 0--50C, thiab nws yuav tsum tau muab tshem tawm 1/2 teev ua ntej siv los ua kom cov kua nplaum ua haujlwm tau zoo. Kev siv kub ntawm cov kua nplaum yuav tsum yog 230C--250C; ambient kub muaj qhov cuam tshuam zoo rau viscosity ntawm cov kua nplaum. Yog tias qhov kub thiab txias qis dhau lawm, cov nplaum nplaum yuav ua me me thiab qhov tshwm sim ntawm kev kos duab yuav tshwm sim. Qhov sib txawv ntawm 50C nyob rau hauv qhov kub thiab txias yuav ua rau 50 feem pua ​​​​ntawm kev hloov pauv ntawm cov khoom ntim. Yog li ntawd, lub ambient kub yuav tsum tau tswj. Nyob rau tib lub sijhawm, qhov kub ntawm ib puag ncig yuav tsum tau lav. Cov kua nplaum me me yog qhov yooj yim kom qhuav, uas cuam tshuam rau adhesion.

6. viscosity ntawm cov kua nplaum

Lub viscosity ntawm cov kua nplaum ncaj qha cuam tshuam rau qhov zoo ntawm cov khoom siv. Yog tias qhov viscosity siab, cov nplaum nplaum yuav ua me me los yog txawm kos; Yog tias qhov viscosity me me, cov kua nplaum yuav loj dua, uas tuaj yeem nkag mus rau hauv lub ncoo. Thaum lub sij hawm dispensing txheej txheem, xaiv ib tug tsim nyog rov qab siab thiab dispensing ceev rau txawv viscosities ntawm kua nplaum.

7. Curing kub nkhaus

Rau kev kho cov kua nplaum, cov chaw tsim khoom dav dav tau muab qhov kub thiab txias. Hauv kev xyaum, qhov kub siab dua yuav tsum tau siv los kho, kom cov kua nplaum muaj zog txaus tom qab kho.

8. Npuas

Cov kua nplaum yuav tsum tsis muaj cua npuas. me ntsis stingy yuav ua rau ntau cov ntaub qhwv tsis muaj kua nplaum; txhua lub sij hawm lub hose yog hloov ib nrab, cov huab cua ntawm qhov kev twb kev txuas yuav tsum tau emptied los mus tiv thaiv lub phenomenon ntawm npliag hitting.

Peb lub Hoobkas

Glue Dispensing Nozzle Needles

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