Countersunk Screws: GOST, Ntsia Liaj Qhov Rooj Nrog Sab Hauv Hexagon M6 Thiab Tus Kheej Tapping M3, M8 Thiab Lwm Hom Sib Txawv Ntau Thiab Tsawg

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13

Countersunk screws tau siv dav hauv ntau yam haujlwm ntawm kev ua haujlwm, los ntawm kev sib dhos rooj tog rau kev kho dua tshiab thiab kev tsim kho. Qee cov qauv tau tsim los rau hom khoom no: GOST R 50403-92, GOST 17475-80 thiab GOST 17475. Lawv tau siv los tsim cov ntsia liaj qhov rooj nrog sab hauv hexagon M6 thiab tus kheej tapping M3, M8 thiab lwm yam khoom lag luam nruab nrog lub taub hau countersunk

Kev piav qhia

Lub taub hau ntswj taub hau yog ib yam khoom siv hlau tsim los txuas cov khoom. Zoo li tus ntsia liaj qhov rooj, nws suav nrog lub taub hau thiab lub taub hau uas tsis muaj qhov kawg. Kev teeb tsa tuaj yeem dhau los lossis dig muag. Lub taub hau tau nqes mus rau hauv cov khoom lossis cov qauv yam tsis muaj qhov seem ntawm qhov chaw. Nws qhov tseem ceeb feem ntau yog conical, tso cai rau yaug tawm, muaj qhov qhib:

• rau hex ciaj ntswj;
• rau Phillips lossis lub hau ntswj taub hau.

Cov ntsia hlau xov yog tsim los ntawm txoj kev knurling, raws li nws tsim nws tuaj yeem ua tiav lossis ib nrab. Cov khoom tuaj yeem ua los ntawm cov pa roj carbon thiab cov hlau tsis huv, cov hlau tsis muaj hlau, cov hlau tsis huv. Raws li qib kev muaj zog, 11 chav kawm ntawm cov khoom siv khoos phis tawj sib txawv, raws li qhov tseeb tsuas yog 2: A thiab B . Nyob ntawm qhov xav tau ntawm kev ua haujlwm, kho vajtse tau npog nrog lub plhaub tiv thaiv kab mob los yog sab laug yam tsis muaj nws. Feem ntau (hauv cov hlau uas muaj hlau), kev ua tiav yog ua los ntawm galvanizing lossis thov zinc lamellar txheej.

Nws yog ib qho tseem ceeb kom paub: tus kheej tapping screws kuj yog koom nrog pawg ntawm tus kheej tapping screws, lawv tuaj yeem muaj lub taub hau taub hau.

Lawv qhov ntev, cov yam ntxwv thiab kev teeb tsa sib xws rau cov uas tau qhia rau hom khoom tshwj xeeb . Qhov sib txawv tseem ceeb nyob ntawm qhov kawg ntawm cov khoom: nws tau ua kom zoo lossis zoo li lub laum, thiab xov tau siv nrog qee qhov suab, uas ua rau nws muaj peev xwm txhim kho cov khoom tau zoo hauv cov khoom nrog qib sib txawv ntawm qhov ntom.

Cov khoom ntawm hom no yog tus yam ntxwv hauv qab no:

• cov khoom siv - carbon lossis stainless hlau;
• anti-corrosion zinc txheej;
• splines ntawm hom Torx, Pz, Ph;
• qhov kawg yog blunt los yog ntse;
• ntev 9, 5-32 hli nrog txoj kab uas hla 2, 2 –6, 3 hli.

Tus kheej tapping screws ntawm hom no tau tsim tawm raws li DIN 7982.

Cov ntawv thov

Kev siv cov ntsia hlau ntsia hlau yog qhov cuam tshuam rau ntau yam haujlwm. Vim tias muaj ntau txoj kab nruab nrab, lawv nyob hauv qhov xav tau txawm tias hauv kev lag luam saib, qhov tshwj xeeb xav tau raug yuam rau qhov loj ntawm cov khawm ris. Ntawm qhov feem ntau siv rau countersunk screws yog ob peb.

• Ntsuas . Lawv tau siv los sib sau ua ib feem hauv ntau hom khoom siv thiab khoom siv hluav taws xob.
• Mechanical engineering . Lub taub hau taub hau yog qhov tsis tuaj yeem hloov pauv tau thaum nws los txog rau cov chav tshwj xeeb, qhov twg cov ntsiab lus tawm mus yog qhov tsis lees txais kiag li. Hauv kev lag luam tsheb, cov khoom siv no tau siv rau hauv cov tawv tawv uas tiv taus qhov kub thiab cov neeg kho tshuab deformation.
• Kev sib dhos ntawm cov rooj tog, chaw khaws khoom, cov khoom nthuav tawm, txhua qhov chaw uas yuav tsum tau kho cov ntawv hlau, yas, ntoo raws cov vaj huam sib luag . Kho vajtse tau teeb tsa siv cov txiv ntoo ntxiv thiab tshuab ntxhua khaub ncaws, ob qho tib si hauv qhov muag tsis pom thiab dhau los.
• Kev teeb tsa lub tsev thiab khoom siv . Hauv cov zaub mov, tshuaj lom neeg thiab kev lag luam kho mob, siv cov tshuaj tiv thaiv corrosion. Xws li cov ntsia hlau tau zoo ib yam nrog kev ua kom huv thiab huv si, tso cai rau koj ua tiav qib kev ntseeg tau yam tsis muaj kev pheej hmoo tsim kev nyab xeeb.

Cov cheeb tsam ntawm kev thov rau countersunk tus kheej tapping screws tsis muaj ntau yam sib txawv . Ntawm qhov chaw nyiam ntawm lawv siv yog thaj chaw tsim kho: tsim ib daim thooj txuas hauv cib, pob zeb, ntoo, phab ntsa ntub dej. Feem ntau xws li kho vajtse hloov cov dowels - lawv lub zog txaus los tsim kev txhawb nqa uas ntseeg tau. Thaum ua haujlwm nrog cov khoom ua los ntawm ntoo thiab yas, kev ua ntej ua haujlwm tsis tau ua rau lawv.

Lawv yog dab tsi?

Kiag li txhua qhov ntsaws ntsaws ntsaws ntswj uas twb muaj lawm sib txawv feem ntau hauv hom taub hau thiab qhov. Nws yog ib txwm coj los txiav txim siab xaiv tus kheej tapping cais, vim lawv feem ntau tsis xav tau kev siv zog ntxiv thaum txhim kho. Koj tuaj yeem txhim kho kho vajtse siv cov ntsia hlau ntswj ntsia hlau, tsis tas siv sijhawm rau ntawm lub txee.

Los ntawm hom txheej txheej, cov khoom tau muab cais ua cov hlau tsis muaj hlau thiab cov hlau . Thawj qhov tsim tawm los ntawm cov hlau tsis muaj hlau lossis nruab nrog txheej tshwj xeeb ntawm theem tsim khoom. Qhov thib ob tuaj yeem tiv thaiv ntxiv thaum ua haujlwm nrog cov primers thiab lwm yam tshuaj tiv thaiv xeb.

Ntawm kev muag khoom koj tuaj yeem pom ntau hom khoom kho vajtse tsim nyog rau yaug tawm

• Nrog lub taub hau ib nrab-countersunk . Hauv cov khoom lag luam zoo li no, ib feem ntawm lub taub hau tseem nyob saum toj ntawm ib feem, tsis ua kom ntseeg tau tas mus li rau qhov tuab ntawm cov khoom. Qhov no yog qhov siv tau nyob rau hauv cov xwm txheej no thaum nws los txog rau tsis dhau kev nyuab siab cov txheej txheem.
• Nrog qhov rau cov ntsia hlau ncaj . Qhov yooj yim thiab tsawg tshaj plaws kev xaiv. Niaj hnub no, cov ntsia hlau zoo li no tuaj yeem pom hauv cov khoom siv hauv nkoj, hauv kev saib txav mus los, thiab ntsuas cov cuab yeej. Lawv yooj yim rau nruab, tab sis qhov ncaj qhov yog tsis dhau los ua kua muag-tiv taus.
• Nrog hla kev so . Txhawm rau teeb tsa hom kho vajtse no, koj xav tau Phillips ntswj ntsia hlau lossis cov ntsia hlau me ntsis nrog cov lus qhia zoo sib xws. Hauv cov qauv qub ntawm cov ntsia hlau, Phillips tsis siv ntau zaus, lawv yog cov yam ntxwv ntawm tus kheej tapping version.
• Nrog rau sab hauv hexagon . Ib qho ntawm cov hom nrov tshaj plaws ntawm cov ntsia hlau, nws lub qhov muaj qhov tshwj xeeb zoo thiab hu ua Torx. Nws qhov kev tso hexagonal sab hauv txoj kab uas hla tso cai rau siv ntau lub zog thaum teeb tsa hauv kev sib cuag nrog tus yuam sij lossis me ntsis. Qee hom khoom siv kho vajtse uas siv hauv kev sib dhos cov rooj tog zaum hu ua kev lees paub.

Qhov ntev (kho)

Qhov loj me ntawm cov khoom lag luam ua raws li GOST R50403-92 siv rau countersunk ntsia hlau nrog ncaj thiab hla hla qhov qhib nrog cov kab taub nyob hauv thaj tsam ntawm 1-20 hli, uas tau pom hauv qhov cim. Ntawm cov qauv txheej txheem tam sim no, ib tus tuaj yeem tawm M1, M2, M3, M4, M5, M6, M8, M10, M12, M14, M16, M18 thiab M20. Thiab kuj muaj qhov ncua ntev uas muaj cov kab nruab nrab. Cov no suav nrog:

• M1, 2;
• M1, 4;
• M1, 6;
• M2, 5;
• M3, 5.

Tus txheem ntsia hlau ntev ntau yog 2mm txog 120mm. Qhov feem ntau yog cov hauv qab no ntawm qhov taub taub taub hau ntswj nrog ncaj lossis Phillips so: M3X5, M3X50. Qee zaum ntawm cov khoom muag tau yooj yim sau los ntawm txoj kab nruab nrab thiab ntev - 5X120 mm, 4X70 mm. Rau cov ntsia hlau hauv qhov ntau me dua M4, qhov ntsuas ntev yog tus yam ntxwv ntawm 40, 45, 50, 60, 70, 80, 90, 100, 110 thiab 120 hli.

Cov yam ntxwv ntawm kev siv

Qhov txiaj ntsig tseem ceeb ntawm kev siv cov ntsia hlau ntsia hlau yog qhov muaj peev xwm kom tau lub tiaj thiab du ntawm ib sab yam tsis muaj qhov sib txawv hauv qhov siab. Hauv kev lag luam rooj tog, tom qab sib dhos nrog cov cuab yeej zoo li no, cov plugs zoo nkauj tuaj yeem kho tau hauv lawv cov qhov, uas zais tag nrho thaj tsam ntawm lub qhov ntsaws . Cov khoom tiv thaiv tiv thaiv xeb yog tsim rau siv sab nraum zoov hauv ib puag ncig ntub. Cov hlau hlau xaiv muaj qhov txwv tsis pub siv, tshwj tsis yog cov khoom siv hlau tsis huv.

Rau countersunk taub hau ntsia hlau ua raws li GOST, lub qhov yuav tsum tau npaj ua ntej rau kev teeb tsa. Txog qhov no, ntau qhov haujlwm tau ua kom ntseeg tau kev sib txuas siab tshaj plaws. Hauv qhov xwm txheej - tsis yog tus kheej tapping - screws, txoj haujlwm ua haujlwm tau muab faib ua qee theem.

• Cov qhov uas muaj txoj kab uas hla ntau tau ua hauv cov ntu kom koom nrog.
• Cov xov sab hauv tau txiav lossis lub tes tsho tau teeb nrog nws.
• Qhov mounting yog countersinked. Qhov ntev thiab qhov tob ntawm cov kab sib dhos sib dhos yuav tsum sib phim nrog cov ntsia hlau nws tus kheej.
• Zawm lub khawm kom txog thaum nws tau raus dej tag. Lub taub hau yuav tsum tau sunk rau hauv cov khoom. Kev ua haujlwm yog ua tiav nrog cov ntsia hlau los yog cov ntsia hlau nrog qhov txuas uas tsim nyog.

Nyob rau hauv cov ntaub ntawv ntawm tus kheej tapping screws, tsis muaj qhov ua ntej drilling lossis countersink xav tau. Lub cuab yeej siv hluav taws xob txaus los muab kev siv zog tsim nyog.

Thaum ua haujlwm nrog tus kheej tapping screws nruab nrog lub taub hau taub hau, koj kuj yuav tsum ua raws qee txoj cai . Kev nruj perpendicularity yog ib qho tseem ceeb thaum cov ntsiab lus nyob ze rau lub axis ntawm cov nplaim ntawm cov khoom siv nws tus kheej. Qhov loj thiab hom me ntsis tau ua tib zoo xaiv, txij li nws yog ib qho tseem ceeb kom ntseeg tau tias haum haum ntawm nws qhov chaw ua haujlwm mus rau phab ntsa ntawm lub qhov. Kev tsis ua raws li cov lus pom zoo no yuav ua rau cov ntsia hlau tsis ua haujlwm.