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Sebata (Tse sa Buloa) le Li-Screws tsa Hlooho tse Tloaelehileng le tse Khōlō tsa Hex [Letlapa la 29] (ASTM F837, F468)

Khetha li-screws tse tloaelehileng le tse kholo tsa hlooho ea hex bakeng sa litharollo tse fapaneng tsa ho tiisa tse fanang ka matla, ho ts'epahala, le ho tsamaellana le mefuta e mengata ea lits'ebetso. Tšepa boleng le ts'ebetso ea bona bakeng sa projeke ea hau e latelang.

Mohlala:ASME B 18.6.3

Romela Lipatlisiso

Tlhaloso ea Sehlahisoa

[276]

Likhetho tse Fetohang tsa Moralo:Li-screws tse tloaelehileng le tse kholo tsa hex li fana ka likhetho tse fapaneng tsa moralo tse loketseng lits'ebetso tse fapaneng. Hore na o hloka hlooho e tloaelehileng ea hex kapa hlooho e khōloanyane bakeng sa torque e eketsehileng kapa bokaholimo ba thepa, li-screws tsena li fana ka monyetla oa ho fihlela litlhoko tsa hau tse ikhethileng.

Tšebelisano 'moho:E entsoe ho latela maemo a ASTM F837 le F468, li-screws tsena li fumaneha ka mefuta e fapaneng ea lisebelisoa, tse netefatsang hore li tsamaellana le tikoloho le lits'ebetso tse fapaneng. Khetha ho tsoa ho limaraka tse fapaneng le liphetho ho fihlela boemo bo lakatsehang ba ho hanyetsa kutu le ho tšoarella.

Matla a Ntlafetseng a ho Fastening:Moralo oa hlooho ea hex o fana ka matla a matla a ho tiisa, a lumellang likhokahano tse sireletsehileng le tse tšepahalang. Likhetho tse slotted li fana ka boiketlo bo eketsehileng bakeng sa ho tiisa ka letsoho kapa ho lokoloha, ho etsa hore li tšoanelehe bakeng sa mesebetsi e mengata ea kopano le ea ho lokisa.

Mefuta e mengata ea boholo:Ka likhetho tsa lihlooho tse tloaelehileng le tse kholo tsa hex, hammoho le boholo bo fapaneng ba likhoele le bolelele, li-screws tsena li ka amohela litlhoko tse fapaneng tsa projeke. Hore na o hloka li-screw tse nyane bakeng sa ts'ebeliso e nepahetseng kapa tse kholoanyane bakeng sa mesebetsi e boima, ho na le boholo bo teng bo lumellanang le litlhoko tsa hau.

Likopo ho pholletsa le Industries:Ho tloha ho tsa kaho le likoloi ho ea ho mechini ea indasteri le lisebelisoa tsa elektroniki, li-screw tse tloaelehileng le tse kholo tsa hex hlooho li fumana lits'ebetso ho pholletsa le liindasteri tse fapaneng. Ho feto-fetoha ha bona le ho ts'epahala ho etsa hore e be tsa bohlokoa bakeng sa merero ea litsebi le ea DIY.

Netefaletso ea boleng:E entsoe ka litekanyetso tse thata tsa ASTM, li-screws tsena li na le mehato e matla ea ho laola boleng ho netefatsa ts'ebetso le ts'ebetso. U ka itšetleha ka boleng ba tsona le ho tšoarella ha tsona bakeng sa lits'ebetso tse hlokang tlhokomelo moo ho nepahala le ho tšepahala ho leng bohlokoa.

Boholo ba Khoele
d

10#

d	Boholo ba Lebitso
PP	UNC
s	Hlooho e Tloaelehileng	min
		max
	Hlooho e Khōlō	min
		max
e	Hlooho e Tloaelehileng	min
	Hlooho e Khōlō	min
k	max
	min
n	max
	min
t	max
	min

0.0730	0.0860	0.0990	0.1120	0.1250	0.1380	0.1510	0.1640	0.1900
64	56	48	40	40	32	-	32	24
0.125	0.125	0.188	0.188	0.188	0.250	0.250	0.250	0.312
0.120	0.120	0.181	0.181	0.181	0.244	0.244	0.244	0.305
-	-	-	0.219	0.250	-	-	0.312	-
-	-	-	0.213	0.244	-	-	0.305	-
0.134	0.134	0.202	0.202	0.202	0.272	0.272	0.272	0.340
-	-	-	0.238	0.272	-	-	0.340	-
0.044	0.050	0.055	0.060	0.070	0.093	0.093	0.110	0.120
0.036	0.040	0.044	0.049	0.058	0.080	0.080	0.096	0.105
-	-	-	0.039	0.044	0.048	0.048	0.054	0.060
-	-	-	0.031	0.035	0.039	0.039	0.045	0.050
-	-	-	0.036	0.042	0.046	0.054	0.066	0.072
-	-	-	0.025	0.030	0.033	0.040	0.052	0.057

Boholo ba Khoele
d

12#

14#

1/4

5/16

20#

24#

3/8

7/16

1/2

d	Boholo ba Lebitso
PP	UNC
s	Hlooho e Tloaelehileng	min
		max
	Hlooho e Khōlō	min
		max
e	Hlooho e Tloaelehileng	min
	Hlooho e Khōlō	min
k	max
	min
n	max
	min
t	max
	min

0.2160	0.2420	0.2500	0.3125	0.3200	0.3720	0.3750	0.4375	0.5000
24	-	20	18	-	-	16	14	13
0.312	0.375	0.375	0.500	0.500	0.562	0.562	0.625	0.750
0.305	0.367	0.367	0.489	0.489	0.551	0.551	0.610	0.735
0.375	0.438	0.438	-	-	-	-	-	-
0.367	0.428	0.428	-	-	-	-	-	-
0.340	0.409	0.409	0.545	0.545	0.614	0.614	0.682	0.820
0.409	0.477	0.477	-	-	-	-	-	-
0.155	0.190	0.190	0.230	0.230	0.295	0.295	0.348	0.400
0.139	0.172	0.172	0.208	0.208	0.270	0.270	0.321	0.367
0.067	0.075	0.075	0.084	0.084	0.094	0.094	-	-
0.056	0.064	0.064	0.072	0.072	0.081	0.081	-	-
0.093	0.101	0.101	0.122	0.122	0.156	0.156	-	-
0.077	0.083	0.083	0.100	0.100	0.131	0.131	-	-

②, Ho pota-pota ho fokolang ha likarolo tsohle le likhutlo tsa bokaholimo ba lihlooho tsa hex tse kentsoeng ho tla lumelloa, ha feela bophara ba selikalikoe sa ho jara bo lekana le se ka tlase ho 90% ea boholo bo boletsoeng ka bophara ba sephara.
③, Ntle le ha ho hlalositsoe ka tsela e 'ngoe ke moreki, li-screw tsa mochini oa hex ha li kenngoe.
④,7#,14#, 20#, 24# ke tsa ho tlanya likurufu feela.
⑤, Ntle le ha moreki a hlalositse ka tsela e 'ngoe, lihlooho tse tloaelehileng tsa hex li tla natefeloa, 'me mefuta ea hlooho e tloaelehileng le e meholo e ka ba hlooho e khotsofatsang, hlooho e khaotsoeng, kapa kaho ea hlooho e halefileng ka botlalo, khethong ea moetsi.
⑥, Bolelele ba Screw ea Mochini oa Khoele
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
nominal lengths shall have a minimum length of full-form thread of 1.5 in. unless otherwise specified.
⑦,Bophara ba 'mele holim'a likurufu tsa mochini tse nang le lihlooho tse ling ntle le li-trim head ha bo na ho ba ka tlase ho bophara bo tlase ba khoele ea Sehlopha sa 2A kapa ho feta bophara bo boholo ba khoele.

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