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Type II Cross Recessed Flat Countersunk Head Tapping Screws - Type B ndi BP Thread Forming [Table 12]

Dziwani bwino kupanga ulusi komanso kumangirira kotetezeka ndi zomangira zamtundu wa Type II zopindika zokhotakhota zamtundu wamtundu wa B ndi BP, zogwirizana ndi ASME B 18.6.4 - 1998. Sankhani kudalirika ndi kusinthasintha pazosowa zanu zosonkhana.

Chitsanzo:ASME B 18.6.4

Tumizani Kufunsira

Mafotokozedwe Akatundu

Kupanga Ulusi Wogwira Ntchito:ASME B 18.6.4 - 1998 yogwirizana ndi Type II yolumikizira zomangira zomangira zamtundu wamtundu wamtundu wamtundu wa B ndi ulusi wa BP zimatsimikizira kupangidwa bwino kwa ulusi pakuyika. Mbali imeneyi imapangitsa kuti msonkhano ukhale wosalira zambiri pochotsa kufunika koboola kale.

Kumanga Kotetezedwa:Zomangira izi zili ndi kuthekera kopanga ulusi wa Type B ndi BP, kuwonetsetsa kukhazikika kotetezeka komanso kodalirika. Amapereka mphamvu yolimba, kuchepetsa chiopsezo cha kumasula kapena kuvula, motero kumawonjezera kukhulupirika kwa zigawo zomwe zasonkhanitsidwa muzogwiritsira ntchito zosiyanasiyana.

Ntchito Zosiyanasiyana:Zoyenera kugwiritsidwa ntchito ndi zinthu zosiyanasiyana, kuphatikiza zitsulo, pulasitiki, ndi matabwa, zomangira izi zimapereka kusinthasintha m'mafakitale osiyanasiyana. Kugwirizana kwawo ndi zinthu zosiyanasiyana kumawapangitsa kukhala abwino pantchito yomanga, matabwa, ndi zitsulo.

Zomangamanga Zolimba:Zopangidwa kuchokera ku zida zapamwamba kwambiri, zomangira izi zimamangidwa kuti zikhale zolimba komanso zokana dzimbiri, kuwonetsetsa kuti zimagwira ntchito kwanthawi yayitali m'malo ovuta. Kumanga kwawo kolimba kumawapangitsa kukhala oyenera ntchito zamkati ndi zakunja.

Nominal Diameter
d

d	Kukula mwadzina
L	min
d_k	max
d_k	min
k	Ref.
M	Ref.
t	Ref.
N	Ref.
Kuzama kolowera	max
Kuzama kolowera	min

0.0600	0.0730	0.0860	0.0990	0.1120	0.1250	0.1380	0.1510
1/8	5/32	3/16	7/32	1/4	1/4	5/16	3/8
0.112	0.137	0.162	0.187	0.212	0.237	0.262	0.287
0.096	0.120	0.144	0.167	0.191	0.215	0.238	0.262
0.035	0.043	0.051	0.059	0.067	0.075	0.083	0.091
0.078	0.092	0.114	0.133	0.151	0.169	0.188	0.206
0.036	0.048	0.060	0.072	0.082	0.094	0.106	0.118
0.021	0.024	0.027	0.030	0.032	0.035	0.038	0.040
-	-	0.040	0.053	0.064	0.077	0.089	0.101
-	-	0.029	0.041	0.052	0.064	0.075	0.087

Nominal Diameter
d

10#

12#

1/4

5/16

3/8

7/16

1/2

d	Kukula mwadzina
L	min
d_k	max
d_k	min
k	Ref.
M	Ref.
t	Ref.
N	Ref.
Kuzama kolowera	max
Kuzama kolowera	min

0.1640	0.1900	0.2160	0.2500	0.3125	0.3750	0.4375	0.5000
7/16	1/2	9/16	5/8	5/8	5/8	3/4	3/4
0.312	0.362	0.412	0.477	0.597	0.717	0.760	0.815
0.285	0.333	0.380	0.442	0.556	0.670	0.715	0.765
0.100	0.116	0.132	0.153	0.191	0.230	0.223	0.223
0.224	0.260	0.297	0.344	0.432	0.509	0.554	0.593
0.124	0.148	0.172	0.195	0.252	0.302	0.332	0.358
0.043	0.048	0.054	0.061	0.074	0.086	0.092	0.098
0.113	0.137	0.162	0.193	0.251	0.303	0.332	0.359
0.099	0.122	0.145	0.176	0.232	0.281	0.310	0.335

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