> Lihlahisoa > Likokoana-hloko > Mochine oa Screw > Oval 82-deg Countersunk Trim Head Screws [Letlapa 15] (ASTM F837 F468)

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Oval 82-deg Countersunk Trim Head Screws [Letlapa 15] (ASTM F837 F468)

Phahamisa merero ea hau ka Oval 82-degree Countersunk Trim Head Screws, e kopanang le maemo a ASME B 18.6.3 - 2013. Moralo oa bona o boreleli, ts'ebeliso e feto-fetohang, boenjiniere bo nepahetseng, le ho hanyetsa kutu li ba etsa khetho e nepahetseng bakeng sa tharollo ea boleng bo holimo.

Mohlala:ASME B 18.6.3

Romela Lipatlisiso

Tlhaloso ea Sehlahisoa

Moqapi o Boreleli:Oval 82-degree Countersunk Head Screws, e hlalositsweng ho ASME B 18.6.3 - 2013 mme e tsamaelana le ASTM F837 le F468, e na le moetso o boreledi le wa boemo bo tlase. Lihlooho tsa tsona li fana ka pheletso e boreleli le e boreleli ha e kentsoe, e matlafatsang boipiletso ba ts'ebeliso.

Tšebeliso e fapaneng:Li-screws tsena li loketse mefuta e mengata ea lisebelisoa, ho kenyelletsa le khabinete, mapolanka, le ho qeta ka hare. Moralo oa bona oa boemo bo tlase o netefatsa ponahalo e fokolang, e ba etsa hore e be tse loketseng merero eo ho eona ho leng bohlokoa haholo.

Precision Engineering:E entsoe ka mokhoa o nepahetseng ho finyella litekanyetso tsa indasteri, Oval 82-degree Countersunk Trim Head Screws e netefatsa ts'ebetso e tsitsitseng le ho tiisa ka botšepehi. Litekanyo tsa tsona tse entsoeng ka hloko li tiisa ho lekana ho sireletsehileng le ho tšoarella nako e telele.

Corrosion Resistance:E entsoe ka thepa ea boleng bo holimo, li-screws tsena li bonts'a khanyetso e ntle ea ho bola, e netefatsang ho ts'epahala ha nako e telele le maemong a thata. Sena se etsa hore li tšoanelehe bakeng sa ts'ebeliso ea kahare le kantle, ho fana ka khotso ea kelello lits'ebetsong tse fapaneng.

Boholo ba Khoele
d

10#

12#

d	Boholo ba Lebitso
PP	UNC
Khoutu	Boholo ba Hlooho
d₁	max
	min
	Mofuta oa A	min
	Mefuta e meng	min
d_k	max
	min
k	Ref
f	Ref.

0.1120	0.1250	0.1380	0.1380	0.1640	0.1640	0.1900	0.2160
40	40	32	32	32	32	24	24
3	4	4	5	5	6	8	8
0.112	0.125	0.138	0.138	0.164	0.164	0.190	0.216
0.106	0.119	0.131	0.131	0.157	0.157	0.181	0.207
0.105	0.118	0.131	0.131	0.157	0.157	0.183	0.209
0.106	0.119	0.131	0.131	0.157	0.157	0.181	0.207
0.187	0.212	0.212	0.237	0.237	0.262	0.312	0.312
0.167	0.191	0.191	0.215	0.215	0.238	0.285	0.285
0.057	0.066	0.058	0.075	0.060	0.076	0.094	0.078
0.033	0.037	0.037	0.041	0.041	0.045	0.076	0.076

Boholo ba Khoele
d

12#

14# ^④

1/4

5/16

3/8

d	Boholo ba Lebitso
PP	UNC
Khoutu	Boholo ba Hlooho
d₁	max
	min
	Mofuta oa A	min
	Mefuta e meng	min
d_k	max
	min
k	Ref
f	Ref.

0.2160	0.2420	0.2420	0.2500	0.2500	0.3125	0.3125	0.3750
24	-	-	20	20	18	18	16
10	10	12	10	12	12	5/16	3/8
0.216	-	-	0.250	0.250	0.312	0.312	0.375
0.207	-	-	0.240	0.240	0.302	0.302	0.364
0.209	0.235	0.235	-	-	-	-	-
0.207	-	-	0.240	0.240	0.302	0.302	0.364
0.362	0.362	0.412	0.362	0.412	0.412	0.477	0.597
0.333	0.333	0.380	0.333	0.380	0.380	0.442	0.556
0.111	0.091	0.124	0.091	0.124	0.087	0.130	0.173
0.060	0.060	0.068	0.060	0.068	0.068	0.079	0.099

①, Moeli oa hlooho o ka ba chitja kapa o bataletse.
②, Li-screws tsa mochini tse khuts'oane li kenyelletsa bolelele ba mabitso ho fihla le ho kenyelletsa 1 1/8 in. bakeng sa boholo ba No.5 le tse nyane, le 2 in. bakeng sa boholo ba No.6 le kholoanyane.
③, Likurufu tse khutšoane tsa ho tlanya ke tse bolelele bo felletseng. Sheba para. 4.3 bakeng sa bolelele bo sebetsang ba screw.
④, Size 14 ke ea ho tlanya lisekere feela.
⑤,Bophahamo ba bophara bo ka se fete bonyane 0.011 in. bakeng sa likurufu tsa ho tlanya tsa Mofuta oa A, le bophara ba "screw" bakeng sa mefuta e meng eohle ea likurufu.

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