Txhua tus neeg yuav khoom uas spec'd ahlau domelos ntawm PDF tau nyob ntawd: ib lub rooj ntawm cov lej uas zoo li muaj cai, cov lus hauv qab tsis muaj leej twg nyeem, thiab cov qauv uas tsis zoo li cov ntaub ntawv tau cog lus tseg. Qhov sib txawv ntawm qhov zoo spec thiab tus qauv tsis zoo feem ntau yog los ntawm peb tus lej uas cov neeg yuav khoom qis dua -actuation zog, snap ratio (mus ncig), thiabrated lub neej. Phau ntawv qhia no piav qhia tias txhua tus txhais tau li cas, cov neeg muag khoom ntsuas nws li cas, thiab qhov chaw nkaum qhov chaw nkaum.
1. Actuation force (F1): tus lej txhua tus hais tab sis ob peb txheeb xyuas
Actuation force yog lub ncov quab yuam uas yuav tsum tau thawb lub dome los ntawm nws qhov chaw ruaj khov "nce" mus rau hauv nws txoj hauj lwm inverted "down". Cov neeg muab khoom siv hais nws hauv grams (g) lossis Newtons (N). Ib yamplaub- ceg domerau lub kauj tsheb kauj vab yuav raug hais ntawm 250g; amus domeyog 80g;. kev lag luam laub khawm ntawm 500g.
Kev ntes: tsis muaj universal test standard. Ib tus neeg xa khoom tuaj yeem ntsuas F1 ntawm qhov siab kawg ntawm lub zog- txav nkhaus; lwm qhov ntawm 0.2mm ntawm kev mus ncig; ib feem peb nrog lub 0.5 hli vojvoog sojntsuam es tsis txhob ntawm lub tiaj tus sojntsuam. Ib lub dome 250g ntsuas nrog lub ntsuas ntse ntse tuaj yeem hnov zoo li 320g hauv qab lub keycap tiag. Thaum koj piv cov quotes, nug txog txoj kev sim: sojntsuam txoj kab uas hla, sojntsuam ceev, ua ntej-load, thiab seb tus lej nruab nrab lossis tsawg kawg nkaus. Pebhlau dome technical specifications qhiateev cov kev sim teeb tsa- li peb siv, yog li koj tuaj yeem piv cov txiv apples rau txiv apples.
2. Snap piv thiab tactile tawm tswv yim: qhov "nias" uas buyers yeej xav
Qhov sib piv snap yog qhov sib txawv ntawm F1 (actuation force) thiab F2 (rov pib dua quab yuam thaum lub dome pops rov qab), qhia raws li feem pua: (F1 - F2) / F1 × 100. Ib lub dome ib txwm muaj 40–60% snap piv. Hauv qab 30%, lub dome hnov mushy - tsis meej "nias." Tshaj li 70%, nws xav tias nkig tab sis tuaj yeem hnyav rau ntev - xovxwm daim ntawv thov.
Qhov no yog tus lej uas txiav txim siab seb agamepad xub pwg khawmxav tias teb los yog loog, thiab seb aheadphone hu khawmtxaus siab rau tus neeg siv. Qhov sib piv siab snap yog qhov zoo rau kev ua si; ib qho qis dua yog qhov zoo dua rau cov khoom siv kho mob uas qhov kev ua yuam kev yog qhov txaus ntshai. Spec lub snap piv, tsis yog F1 xwb.
3. Rated lub neej: 500,000 cycles txhais li cas, raws nraim?
Cov ntaub ntawv hais txog lub neej voj voog raws li "500,000 actuations" lossis "1,000,000 cycles." Cov luam ntawv zoo tseem ceeb. Lub neej feem ntau txhais tau tias yog qhov taw tes ntawm qhov kev ua kom yuam kev poob los ntawm 30% LOSSIS tiv thaiv kev tiv thaiv nce siab tshaj qhov pib (feem ntau 100Ω). Tab sis leej twg yog cycling lub dome? Thaum twg ceev? Nrog dab tsi sojntsuam? Nyob rau hauv dab tsi kub?
Lub dome ntsuas ntawm 500,000 cycles ntawm chav tsev kub nrog 1mm / s sojntsuam yuav ua tsis tau ntawm 80,000 cycles nyob rau hauv ib tug ceev typist tus ntiv tes nyob rau hauv ib tug -20℃tsheb cabin. Rau kev siv tsheb, nug cov ntaub ntawv lub neej ntawm koj qhov ntsuas kub tiag tiag - pebautomotive snap domekab raug kuaj ntawm -40℃rau +85℃. Rau cov neeg siv khoom siv keyboards, 100,000 cycles ntawm 25℃feem ntau txaus; rau cov khoom lag luam, thov 1,000,000 ntawm +60℃.
4. Dome loj, duab, thiab plaub- ceg thiab kev txiav txim siab puag ncig
Round domes (6mm, 8mm, 12mm) yog lub neej ntawd: pheej yig, txhim khu kev qha, thiab muaj nyob txhua qhov chaw. Plaub- ceg domes (tseem hu ua "4L" lossis "cross" domes) muab kev sib raug zoo ntawm PCBs nqaim thiab yooj yim duaPET dome daim ntawv arraylamination, tab sis lawv raug nqi me ntsis ntxiv thiab muaj kev sib cuag me me hneev taw.Hla tactile domeszaum nruab nrab ntawm ob - lawv sib dhos zoo li 4L dome tab sis muaj qhov sib txuas ntawm ib puag ncig dome.
Qhov kev txiav txim siab zoo yog tsav los ntawm koj lub PCB layout, tsis yog los ntawm tus nqi. Yog tias koj lub ncoo tiv tauj qis dua 4 hli, siv 4L lossis ntoo khaub lig dome; Yog tias koj muaj 6 hli lossis ntau dua, ib puag ncig dome yog qhov kev xaiv yooj yim dua. Peb pab pawg neeg tsim khoom tshuaj xyuas Gerber cov ntaub ntawv pub dawb - xa cov ntaub qhwv ntsej muag thiab peb yuav pom zoo cov duab.
5. Khoom siv thiab plating: SUS301 vs SUS304, thiab vim li cas kub tseem ceeb
Yuav luag tag nrho cov snap domes yog tsim los ntawm SUS301 stainless hlau (ib siab-paj, ua haujlwm- lub caij nplooj ntoos hlav hardened). SUS304 yog softer thiab tsuas yog siv rau tsawg- quab yuam, qis- daim ntawv thov lub neej. Lub plating ntawm sab kev sib cuag txiav txim siab tiv thaiv: unplated SUS301 oxidizes thiab tiv tauj drift; tin-plated domes pheej yig tab sis tsim oxide txheej; kub-plated domes (feem ntau yog 0.1–0.5µm tshaj npib tsib xee) tuav ruaj khov tiv thaiv tsis pub dhau 50Ω rau lub neej nyob.
Rau cov neeg siv khoom siv uas tus nqi tseem ceeb, tin yog qhov zoo. Rau lub tsheb airbag keyboards, cov cuab yeej kho mob, thiab kev tswj hwm kev lag luam, thov kub flash. Pebstainless hlau qib hlau dometsab xov xwm mus tob rau kev xaiv cov khoom.
6. Cov lus nug kom nug ua ntej koj tso PO
Thaum koj thov qhov kev tsocai, nug rau 6 lo lus nug no hauv kev sau ntawv. Tus neeg muag khoom uas teb lawv ntseeg siab yog ib qho uas koj tuaj yeem ntseeg tau; tus neeg muag khoom uas hais tias "peb lub domes yog tus qauv" yog ib qho koj yuav tsum tau ua tib zoo saib xyuas:
- F1 yog dab tsi ntawm kuv lub hom phiaj snap piv (piv txwv li . 50%)? (Tsis yog qhov nruab nrab xwb.)
- Lub neej yam tsawg kawg nkaus ntawm kuv qhov kev khiav hauj lwm kub yog dab tsi?
- Dab tsi yog qhov kev tiv thaiv tiv thaiv spec, thiab nws kuaj li cas?
- Dab tsi yog qhov flatness ntawm lub dome thaum laminated ntawm PET cov cab kuj?
- Koj puas tuaj yeem muab PPAP lossis IATF 16949 daim ntawv pov thawj yog tias kuv xav tau?
- MOQ yog dab tsi, thiab tus nqi tawg ntawm 50k / 100k / 500k daim yog dab tsi?
SUNAURA Machinery tau uahlau domes, dome daim ntawv arrays, thiabsilicone keypadslos ntawm Qingdao rau ntau tshaj kaum xyoo. Peb tshaj tawm peb txoj kev sim ntawm lub hom phiaj, vim tias peb xav plam ib qho lus tshaj tawm sib cav txog qhov spec tom qab. Yog hais tias koj tsim nyog ib tug tshiab dome rau ibkhoom siv kho mob, automotive tha xim sab hauv, lossis cov khoom siv,xa koj daim duab rau pebthiab peb yuav xa rov qab ib daim ntawv teev cov ntaub ntawv uas tiag tiag phim cov qauv.
