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Akụkụ nke Slotted Close Tolerance 100-deg Flat Countersunk Head skru (Machine Screws) (ASTM F837 F468)

Nweta nkenke na ntụkwasị obi na Slotted Close Tolerance 100-deg Flat Countersunk Head screws (Machine Screws Only) kwekọrọ n'ụkpụrụ ASME B 18.6.3 - 2013. Gbanwee na arụmọrụ ha na-agbanwe agbanwe maka ngwa gị kacha achọ.

Nlereanya:ASME B 18.6.3

Zipu ajụjụ

Nkọwa ngwaahịa

Nkọwapụta kpọmkwem:ASME B 18.6.3 - 2013 kwadoro Slotted Close Tolerance 100-deg Flat Countersunk Head screws (Machine Screws Only) na-agbaso ụkpụrụ usoro ziri ezi, na-ahụ na arụmọrụ na-agbanwe agbanwe yana ndakọrịta na akụrụngwa igwe. Nhazi nnabata nso ha na-ebelata ọdịiche, na-eme ka ntụkwasị obi dị na ngwa dị oke egwu.

Nrụpụta siri ike:Emepụtara ya na nkọwapụta ASTM F837 na F468, skru ndị a na-anya isi ihe owuwu siri ike nke na-egbochi nrụgide dị elu na ibu torque. N'ịbụ ndị e mere maka ịdịte aka, ha na-eme nke ọma n'ịchọ gburugburu ụlọ ọrụ mmepụta ihe, na-enye arụmọrụ ogologo oge na-emebighị iguzosi ike n'ezi ihe.

Mgbakọ nke ọma:Site na nhazi draịva ha nwere oghere, skru ndị a na-eme ka usoro mgbakọ dị mma, na-enye ohere maka nrụnye ngwa ngwa na enweghị nsogbu site na iji ngwaọrụ ọkọlọtọ. Nke a dị mfe iji mee ihe na-ebelata oge nkwụsị na ụgwọ ọrụ, na-eme ka arụpụta ọrụ dịkwuo mma na mmepụta na mgbakọ.

Oke ngwa ngwa:Ezubere maka ngwa ịghasa igwe, screws ndị a na-achọta uru n'ofe ụlọ ọrụ dị iche iche, gụnyere ụgbọ ala, ikuku ikuku, na nrụpụta igwe. Ntughari ha na ntụkwasị obi na-eme ka ha bụrụ ihe dị mkpa maka ichekwa na ijikwa akụkụ na akụrụngwa dị oke egwu.

Nha eriri
d

6 #

10 #

1/4

5/16

3/8

7/16

1/2

9/16

5/8

d	Nha aha
PP	UNC
d_k	max
d_k	min
k	Ref
n	max
n	min
t	max
t	min

0.1120	0.1380	0.1640	0.1900	0.2500	0.3125	0.3750	0.4375	0.5000	0.5625	0.6250
40	32	32	24	20	18	16	14	13	12	11
0.212	0.262	0.312	0.362	0.477	0.597	0.717	0.837	0.957	1.077	1.197
0.188	0.235	0.282	0.329	0.437	0.55	0.662	0.774	0.887	1.000	1.112
0.049	0.060	0.072	0.083	0.110	0.138	0.165	0.193	0.221	0.249	0.276
0.039	0.048	0.054	0.06	0.075	0.084	0.094	0.094	0.106	0.118	0.133
0.031	0.039	0.045	0.05	0.064	0.072	0.081	0.081	0.091	0.102	0.116
0.024	0.030	0.036	0.042	0.055	0.069	0.083	0.097	0.111	0.125	0.139
0.017	0.022	0.027	0.031	0.042	0.053	0.065	0.076	0.088	0.099	0.111

①, Ọnụ isi nwere ike gbaa gburugburu ma ọ bụ dị larịị.
②, Dayameta nke ahụ na kposara igwe nwere ndị ọzọ na-abụghị isi mkpụbelata agaghị abụ ihe na-erughị klaasị 2A eriri opekempe pitch ma ọ bụ karịa nke isi dayameta nke eri ahụ.

Mkpado na-ekpo ọkụ: Akụkụ nke Slotted Close Tolerance 100-deg Flat Countersunk Head skru (Machine screw Only) (ASTM F837 F468), China, Ndị na-emepụta ihe, Ndị na-ebubata ihe, Ụlọ ọrụ, N'ogbe, ahaziri, Ogo