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82° Cross Recessed Countersunk Head Screws [Letlapa la 2] (ASTM F837, F468)

Finyella ho tiisa ka mokhoa o sireletsehileng le oa flush ka 82° Cross Recessed Countersunk Head Screws e tsamaellanang le maemo a ASME B 18.6.3 - 2013. E etselitsoe ho tšoarella le ho nepahala, e fana ka tharollo e tšepahalang bakeng sa lits'ebetso tse fapaneng.

Mohlala:ASME B 18.6.3

Romela Lipatlisiso

Tlhaloso ea Sehlahisoa

Secure Fastening:ASME B 18.6.3 - 2013 e tsamaellanang le 82 ° Cross Recessed Countersunk Head Screws e fana ka tiiso e sireletsehileng lits'ebetsong tse fapaneng. Moralo oa bona oa hlooho ea countersunk o etsa bonnete ba hore ba qetelle ka mokhoa o phoroselang, o fokotsa ho khoahlapisa le ho fana ka ponahalo e boreleli.

Lisebelisoa tsa boleng bo holimo:E entsoe ka thepa e lumellanang le ASTM F837 le F468, li-screws tsena li fana ka nako e telele le ho hanyetsa kutu. Ba boloka botšepehi ba bona esita le libakeng tse thata, ho netefatsa ts'ebetso ea nako e telele.

Precision Engineering:Li-screws tsena li entsoe ka mokhoa o nepahetseng, li fana ka ho lekana le ho ts'epahala, ho fokotsa kotsi ea ho hlobola kapa ho lokoloha ha nako e ntse e ea. Sena se tiisa tharollo e tsitsitseng le e sireletsehileng ea ho tiisa bakeng sa mefuta e mengata ea lisebelisoa le lisebelisoa.

Tšebeliso e fapaneng:Li loketse ts'ebeliso ea kahare le kantle, li-screws tsena li loketse mosebetsi oa mapolanka, kopano ea thepa ea ka tlung le merero ea kaho. Ho feto-fetoha ha bona le ts'ebetso e tšepahalang li etsa hore e be tlatsetso ea bohlokoa ho sesebelisoa leha e le sefe sa lisebelisoa.

Boholo ba Khoele
d

7# ^③

10#

12#

14# ^③

d	Boholo ba Lebitso
PP	UNC
d_k	max
d_k	min
k	Ref
M	Mofuta oa I
M	Mofuta oa IA
P	Mofuta oa I Max.
	Tlanya I Min.
	Mofuta oa IA Max.
	Mofuta oa IA Min.
L
Drive Size	Mofuta oa I
Drive Size	Mofuta oa IA

0.0600	0.0730	0.0860	0.0990	0.1120	0.1250	0.1380	0.1510	0.1640	0.1900	0.2160	0.2420
/	64	56	48	40	40	32	/	32	24	24	/
0.112	0.137	0.162	0.187	0.212	0.237	0.262	0.287	0.312	0.362	0.412	0.462
0.096	0.120	0.144	0.167	0.191	0.215	0.238	0.262	0.285	0.333	0.380	0.427
0.035	0.043	0.051	0.059	0.067	0.075	0.083	0.091	0.100	0.116	0.132	0.148
0.062	0.070	0.096	0.100	0.122	0.148	0.168	0.176	0.182	0.198	0.262	0.276
0.062	0.070	0.096	0.100	0.122	0.148	0.168	0.176	0.182	0.198	0.262	0.276
0.036	0.044	0.056	0.061	0.082	0.075	0.095	0.103	0.110	0.125	0.139	0.154
0.020	0.028	0.040	0.045	0.066	0.052	0.072	0.080	0.087	0.102	0.116	0.131
0.037	0.045	0.053	0.058	0.079	0.071	0.091	0.099	0.107	0.122	0.136	0.151
0.021	0.029	0.037	0.042	0.063	0.053	0.073	0.081	0.089	0.104	0.118	0.133
1/8	1/8	1/8	1/8	3/16	3/16	3/16	-	1/4	5/16	3/8	-
0	0	1	1	1	2	2	2	2	2	3	3
0	0	1	1	1	2	2	2	2	2	3	3

Boholo ba Khoele
d

1/4

16# ^③

18# ^③

5/16

20# ^③

24# ^③

3/8

7/16

1/2

9/16 ^④

5/8 ^④

3/4 ^④

d	Boholo ba Lebitso
PP	UNC
d_k	max
d_k	min
k	Ref
M	Mofuta oa I
M	Mofuta oa IA
P	Mofuta oa I Max.
	Tlanya I Min.
	Mofuta oa IA Max.
	Mofuta oa IA Min.
L
Drive Size	Mofuta oa I
Drive Size	Mofuta oa IA

0.2500	0.2680	0.2940	0.3125	0.3200	0.3720	0.3750	0.4375	0.5000	0.5625	0.6250	0.7500
20	/	/	18	/	/	16	14	13	12	11	10
0.477	0.512	0.561	0.597	0.611	0.711	0.717	0.760	0.815	0.932	1.050	1.285
0.442	0.475	0.522	0.556	0.569	0.664	0.670	0.715	0.765	0.878	0.990	1.215
0.153	0.164	0.180	0.191	0.196	0.228	0.230	0.223	0.223	0.260	0.298	0.372
0.276	0.296	0.358	0.358	0.372	0.386	0.386	0.402	0.418	0.443	0.565	0.628
0.276	0.296	0.358	0.358	0.372	0.386	0.386	0.402	0.418	0.440	0.566	0.630
0.154	0.174	0.196	0.196	0.210	0.225	0.225	0.241	0.256	0.280	0,309	0.373
0.131	0.151	0.174	0.174	0.188	0.203	0.203	0.219	0.234	0.258	0,283	0.347
0.151	0.171	0.193	0.193	0.206	0.222	0.222	0.238	0.253	0.276	0.307	0.372
0.133	0.153	0.175	0.175	0.188	0.204	0.204	0.220	0.235	0.258	0.286	0.351
7/16	-	-	1/2	-	-	9/16	5/8	3/4	-	-	-
3	3	4	4	4	4	4	4	4	4	5	5
3	3	4	4	4	4	4	4	4	4	5	5

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.
③,7#, 14#, 16#, 18#, 20#, 24# ke tsa dikurufu tsa ho tlanya feela.
④,9/16,5/8, le 3/4 bakeng sa likurufu tsa mochini feela.
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.
⑥, Lisebelisoa tsa Screw tsa Mochini
1) tšepe e tlase ea khabone e se nang mocheso, joalo ka1006 ho isa ho 1038
2) Ha ho boletsoe sekoti sa mochini o thata, se tla etsoa ka tšepe e tlase kapa e mahareng, joalo ka 1018 ho isa ho 1038, e nang le boron kapa ntle le eona, e thatafalitsoeng ho Rockwell C25-38.

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