Countersunk Internal lub kaum ntse ntse kuj tseem hu ua countersunk screws thiab tiaj tus tshuab screws. Lawv yog hom kev tsim kho. Lub taub hau yog 90-degree lub khob hliav qab, nws zoo ib yam li tus ntsia hlau ntoo ua ke. Lub taub hau muaj cov cuab yeej-zawm zawj, xws li cov ntawv sau, tus ntoo khaub lig, ntoo khaub ncaws, hexagon, quincunx, pentagon, thiab lwm yam.
Loj: M3-M24
Nto ： Zp / DUB
d | M3 | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) | M24 |
P | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
α | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 60 | 60 |
b | 12 | 14 | 16 | 18 | 22 | 26 | 30 | 34 | 38 | 42 | 46 | 50 | 54 |
/ | / | / | 24 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | |
/ | / | / | / | / | 45 | 49 | 53 | 57 | 61 | 65 | 69 | 73 | |
dk | 6 | 8 | 10 | 12 | 16 | 20 | 24 | 27 | 30 | 33 | 36 | 36 | 39 |
5.7 | 7.64 | 9.64 | 11.57 | 15.57 | 19.48 | 23.48 | 26.48 | 29.48 | 32.38 | 35.38 | 35.38 | 38.38 | |
ds | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | |
e | 2.3 | 2.87 | 3.44 | 4.58 | 5.72 | 6.86 | 9.15 | 11.43 | 11.43 | 13.72 | 13.72 | 16 | 16 |
k | 1.7 | 2.3 | 2.8 | 3.3 | 4.4 | 5.5 | 6.5 | 7 | 7.5 | 8 | 8.5 | 13.1 | 14 |
s | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 10 | 12 | 12 | 14 | 14 |
2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | 10.025 | 12.032 | 12.032 | 14.032 | 14.032 | |
2.1 | 2.6 | 3.1 | 4.12 | 5.14 | 6.14 | 8.175 | 10.175 | 10.175 | 12.212 | 12.212 | 14.212 | 14.212 | |
t | 1.2 | 1.8 | 2.3 | 2.5 | 3.5 | 4.4 | 4.6 | 4.8 | 5.3 | 5.5 | 5.9 | 8.8 | 10.3 |
0.95 | 1.55 | 2.05 | 2.25 | 3.2 | 4.1 | 4.3 | 4.5 | 5 | 5.2 | 5.6 | 8.44 | 9.87 |
Nyhuv:
Nyob rau saum npoo ntawm qhov txuas ntawm lub pob txuas rau qhov sib txuas, 90-degree conical round socket yog machined, thiab lub taub hau ntawm lub taub hau tiaj tus ntsia hlau yog nyob rau hauv qhov (round) thiab tau yaug nrog cov nplaim txuas. Pav ca tshuab screws kuj tseem siv qee zaus nrog ib nrab-puag ncig lub taub hau tiaj tshuab screws. Qhov hom ntsia hlau no zoo nkauj dua thiab yog siv rau hauv qhov chaw uas cov chaw tuaj yeem tso cai rau me ntsis protrusion. Cov ntsia hlau tau ua lub luag haujlwm ntawm txuas ob lossis ntau yam khoom thiab yog qhov kev xav tau yam tsis tseem ceeb hauv lub neej txhua hnub lossis kev tsim khoom hauv chaw ua haujlwm.
Cov lus qhia:
Cov txee rau taub hau ntswj feem ntau siv tom qab kev teeb tsa, qhov chaw ntawm qhov chaw tsis tuaj yeem sawv, thiab cov ntu ntawm qhov chaw muaj ob qhov tuab, qhov thiaj li hu ua tuab, uas txhais tau hais tias qhov tuab ntawm qhov ceev nrawm yog ntau dua qhov tuab ntawm lub taub hau ntawm lub taub hau tawm sab hauv Tom qab cov ntsia hlau nruj, nws tseem tshuav ib feem ntawm cov ntsia hlau xov uas tsis nkag rau hauv qhov threaded. Hauv qhov no, cov ntsia hlau txee tuaj yeem ua kom nruj. Muaj feem ntau lwm qhov xwm txheej, uas yog, qhov tuab ntawm qhov txuas ceev yog qhov tsawg tshaj li qhov siab ntawm lub taub hau ntawm cov txee ntsia hlau, uas muaj ntau nyob hauv cov ntawv hlau qhov hauv cov khoom siv kho tshuab, xws li kev sib txuas ntawm lub pob tw ntawm cov chassis, lub qhov rooj thiab lub thawv; daim ntawv hlau ntawm cov khoom siv Kev sib txuas ntawm cov npog thiab cov khoom siv, thiab lwm yam Vim tias muaj qhov tuab me me ntawm ib feem, cov ntsia hlau los ntawm qhov ntawm cov ntawv fastened cov ntawv hlau ib feem yog ua tiav lub conical. Hauv qhov no, thaum cov txee ntsia hlau raug kaw nruj, lub hau ntswj taub hau tsis yog conical nto kom nrawm cov ntawv hlau feem, Tab sis hauv qab ntawm lub hau ntswj taub hau thiab sab saum toj ntawm cov xov ntswj yog nyem. Txawm hais tias cov ntsia hlau pom tias cov ntsia hlau nruj, cov ntawv hlau feem yog nyam tsis txhob nias. Hauv qhov no, txawm hais tias ntsia hlau xav tias ntsia hlau nruj, daim ntawv hlau Lub ntsej muag kub yog qhov tseeb tsis ntom. Nov yog ib qho xwm txheej heev.
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