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Litekanyo tsa Undercut 82-deg Flat Countersunk Head Screws (ASTM F837 F468)

Finyella ho nepahala le ho tšepahala ka Undercut 82-degree Flat Countersunk Head Machine Screws, e kopanang le maemo a ASME B 18.6.3 - 2013. Ebang ke tsa likoloi, sefofane, kapa mochini, likurufu tsena li fana ka ts'ebetso e ts'oanang le ho tiisa ka mokhoa o sireletsehileng.

Mohlala:ASME B 18.6.3

Romela Lipatlisiso

Tlhaloso ea Sehlahisoa

Precision Engineering:Undercut 82-degree Flat Countersunk Head Machine Screws e khomarela lintlha tse hlakileng tse boletsoeng ho ASME B 18.6.3 - 2013, ho netefatsa litekanyo tse nepahetseng le ts'ebetso e tsitsitseng. E tsamaellana le litekanyetso tsa ASTM F837 le F468, li-screws tsena li tiisa ho ts'epahala lits'ebetsong tse batloang.

Undercut Design:Karolo e ka tlase ea li-screws tsena e fana ka ho lekana ha metsi ha e kentsoe, ho fokotsa ho hlahella bakeng sa ponahalo e ntle le e bonolo. Moralo ona o boetse o ntlafatsa bokhoni ba screw ea ho aba matla a mojaro ka ho lekana, ho kenya letsoho ho ntlafatseng botsitso le ho ts'epahala.

Flat Countersunk Head:Li-screws tsena li entsoe ka hlooho e bataletseng ea countersunk, li etsa sebaka se phoroselang ha li kentsoe, ho fokotsa kotsi ea ho hoholeha le ho fana ka pheletso e hloekileng. Moqapi oa hlooho e bataletseng o fana ka sebaka se lekaneng sa ho jara meroalo, ho matlafatsa matla a kakaretso a lenonyeletso le tiisitsoeng.

Tšebeliso e fapaneng:Undercut 82-degree Flat Countersunk Head Machine Screws e loketse mefuta e mengata ea lits'ebetso, ho kenyeletsoa likoloi, sefofane le mechini. Litekanyo tsa bona tse nepahetseng le kaho e matla li li etsa hore li tšoanelehe bakeng sa mesebetsi ea bohlokoa ea ho tiisa moo ho ts'epahala ho leng bohlokoa haholo.

Boholo ba Khoele
d

10#

12#

1/4

5/16

3/8

7/16

1/2

d	Boholo ba Lebitso
PP	UNC
L ^②
d_k	max
d_k	min
k	max
k	min
n	max
n	min
t	max
t	min

0.0600	0.0730	0.0860	0.0990	0.1120	0.1250	0.1380	0.1640	0.1900	0.2160	0.2500	0.3125	0.3750	0.4375	0.5000
-	64	56	48	40	40	32	32	24	24	20	18	16	14	13
1/8	1/8	1/8	1/8	3/16	3/16	3/16	1/4	5/16	3/8	7/16	1/2	9/16	5/8	3/4
0.112	0.137	0.162	0.187	0.212	0.237	0.262	0.312	0.362	0.412	0.477	0.597	0.717	0.760	0.815
0.096	0.120	0.144	0.167	0.191	0.215	0.238	0.285	0.333	0.380	0.442	0.556	0.670	0.715	0.765
0.025	0.031	0.036	0.042	0.047	0.053	0.059	0.070	0.081	0.092	0.107	0.134	0.161	0.156	0.156
0.018	0.023	0.028	0.033	0.038	0.043	0.048	0.058	0.068	0.078	0.092	0.116	0.140	0.133	0.130
0.023	0.026	0.031	0.035	0.039	0.043	0.048	0.054	0.060	0.067	0.075	0.084	0.094	0.094	0.106
0.016	0.019	0.023	0.027	0.031	0.035	0.039	0.045	0.050	0.056	0.064	0.072	0.081	0.081	0.091
0.011	0.014	0.016	0.019	0.022	0.024	0.027	0.032	0.037	0.043	0.050	0.062	0.075	0.072	0.072
0.007	0.009	0.011	0.012	0.014	0.016	0.017	0.021	0.024	0.028	0.032	0.041	0.049	0.045	0.046

①, Moeli oa hlooho o ka ba chitja kapa o bataletse.
②, Li-screw tsa bolelele le tse khuts'oane li tla ba le lihlooho tse sehiloeng.
④, Bophara ba 'mele holim'a likurufu tsa mochini tse nang le lihlooho tse ling ntle le li-trim ha boa lokela ho ba ka tlase ho bophara ba khoele ea Class 2A kapa bo boholo ho feta bophara bo boholo ba khoele.
⑤, Bolelele ba Screw ea Mochini
1) Boholo No.5 le tse nyenyane.
Li-crews tsa bolelele bo lekanang le li-diameter tse tharo le tse khuts'oane li tla ba le likhoele tse felletseng tse fihlang ka har'a khoele e le 'ngoe ea khoele.
e jereng bokahodimo ba hlooho, kapa haufi, haeba ho kgoneha. Bolelele bo boholo ho feta li-diameter tse tharo, ho fihla le ho kenyelletsa 1-1/8 in., e tla ba le
likhoele tse nang le sebopeho se felletseng tse fetelang ka har'a likhoele tse peli (likhoele) tsa bokaholimo ba hlooho, kapa haufi, haeba ho khonahala. Li-crews tse telele
bolelele ba lebitso, ntle le ha bo hlalositsoe ka tsela e 'ngoe, bo na le bonyane bolelele ba khoele e felletseng ea 1 in.
2) Boholo No.6 le tse nyenyane.
Li-crews tsa bolelele bo lekanang le li-diameter tse tharo le tse khuts'oane li tla ba le likhoele tse felletseng tse fihlang ka har'a khoele e le 'ngoe ea khoele.
e jereng bokahodimo ba hlooho, kapa haufi, haeba ho kgoneha. Bolelele bo boholo ho feta li-diameter tse tharo, ho fihla le ho kenyelletsa 2 in., bo tla ba le
likhoele tse nang le sebopeho se felletseng tse fetelang ka har'a likhoele tse peli (likhoele) tsa bokaholimo ba hlooho, kapa haufi, haeba ho khonahala. Li-crews tse telele
bolelele ba lebitso bo tla ba le bolelele ba bonyane ba khoele e felletseng ea 1.5 in. ntle le ha ho boletsoe ka tsela e 'ngoe.

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