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82° Cross Recessed Countersunk Head skru [Table 2] (ASTM F837, F468)
  • 82° Cross Recessed Countersunk Head skru [Table 2] (ASTM F837, F468)82° Cross Recessed Countersunk Head skru [Table 2] (ASTM F837, F468)
  • 82° Cross Recessed Countersunk Head skru [Table 2] (ASTM F837, F468)82° Cross Recessed Countersunk Head skru [Table 2] (ASTM F837, F468)
  • 82° Cross Recessed Countersunk Head skru [Table 2] (ASTM F837, F468)82° Cross Recessed Countersunk Head skru [Table 2] (ASTM F837, F468)
  • 82° Cross Recessed Countersunk Head skru [Table 2] (ASTM F837, F468)82° Cross Recessed Countersunk Head skru [Table 2] (ASTM F837, F468)

82° Cross Recessed Countersunk Head skru [Table 2] (ASTM F837, F468)

Jiri 82° Cross Recessed Countersunk Head screws wee nweta nkwudo na nchekwa na ụkpụrụ ASME B 18.6.3 - 2013. Ewubere maka ịdịte aka na nkenke, ha na-enye ngwọta a pụrụ ịdabere na ya maka ngwa dị iche iche.

Nlereanya:ASME B 18.6.3

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Nkwado echekwabara:ASME B 18.6.3 - 2013 na-akwado 82° Cross Recessed Countersunk Head screws na-enye nkwado siri ike na ngwa dị iche iche. Nhazi isi nke countersunk ha na-eme ka ọ gwụchaa, na-ebelata snagging ma na-enye ọdịdị mara mma.

Akụrụngwa dị oke mma:Emepụtara site na ASTM F837 na F468 ihe kwekọrọ, skru ndị a na-enye ogologo ndụ pụrụ iche na nguzogide corrosion. Ha na-edobe iguzosi ike n'ezi ihe ha ọbụlagodi na gburugburu ebe ịma aka, na-ahụ na arụmọrụ ogologo oge.

Injinia nke ọma:Emebere ya ka ọ bụrụ nkọwa zuru oke, skru ndị a na-enye ihe dabara adaba na nke a pụrụ ịdabere na ya, na-ebelata ihe ize ndụ nke ịpụpụ ma ọ bụ ịtọpụ ka oge na-aga. Nke a na-eme ka ihe ngwọta kwụsie ike ma dị nchebe maka ọtụtụ ihe na ngwa.

Ngwa dịgasị iche iche:Kwesịrị ekwesị maka ma ime ụlọ ma n'èzí, skru ndị a dị mma maka ịrụ ọrụ osisi, mgbakọ ngwá ụlọ, na ọrụ owuwu. Ntughari ha na arụmọrụ a pụrụ ịdabere na ya na-eme ka ha bụrụ mgbakwunye bara uru na ngwa ngwa ọ bụla.




Nha eriri
d
0# 1 # 2# 3# 4# 5# 6 # 7# 8# 10 # 12# 14 #
d Nha aha
PP UNC
dk max
min
k Ref
M Ụdị I
Ụdị IA
P Ụdị I Max.
Ụdị I Min.
Ụdị IA Max.
Ụdị IA Min.
L
Nha mbanye Ụdị I
Ụdị 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
Nha eriri
d
1/4 16 # 18# 5/16 20# 24# 3/8 7/16 1/2 9/16 5/8 3/4
d Nha aha
PP UNC
dk max
min
k Ref
M Ụdị I
Ụdị IA
P Ụdị I Max.
Ụdị I Min.
Ụdị IA Max.
Ụdị IA Min.
L
Nha mbanye Ụdị I
Ụdị 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, Ọnụ isi nwere ike gbaa gburugburu ma ọ bụ dị larịị.
②, Ihe nkedo nke ogologo ndị a na nke dị mkpụmkpụ ga-enwe isi ndị a kpụchara akpụ.
③,7#, 14#, 16#, 18#, 20#, 24# bụ maka ịpịa skru naanị.
④, 9/16, 5/8, na 3/4 maka igwe kposara naanị.
⑤, Igwe ịghasa Ogologo eriri
1) Nha No.5 na obere.
Ihe nkedo nke ogologo aha aha ya na dayameta atọ na nke dị mkpụmkpụ ga-enwe eriri ụdị zuru oke na-erute n'ime otu oghere (eriri) nke olulu ahụ.
ibu elu nke isi, ma ọ bụ nso, ma ọ bụrụ na ọ ga-ekwe omume. Ogologo aha aha karịrị dayameta atọ, ruo na gụnyere 1-1/8 in., ga-enwe
eri zuru oke na-agbatị n'ime oghere abụọ (eriri) nke elu elu nke isi, ma ọ bụ nso, ma ọ bụrụ na ọ ga-eme ya. Ihe nkedo nke ogologo
ogologo n'ọnụ ga, ma ọ bụrụ na akọwapụtara n'ụzọ ọzọ, nwere opekempe ogologo nke ụdị zuru oke nke 1 in.
2) Nha No.6 na obere.
Ihe nkedo nke ogologo aha aha ya na dayameta atọ na nke dị mkpụmkpụ ga-enwe eriri ụdị zuru oke na-erute n'ime otu oghere (eriri) nke olulu ahụ.
ibu elu nke isi, ma ọ bụ nso, ma ọ bụrụ na ọ ga-ekwe omume. Ogologo aha aha karịrị dayameta atọ, ruo na gụnyere 2 in., ga-enwe
eri zuru oke na-agbatị n'ime oghere abụọ (eriri) nke elu elu nke isi, ma ọ bụ nso, ma ọ bụrụ na ọ ga-eme ya. Ihe nkedo nke ogologo
N'ọnụ ogologo ga-enwe opekempe ogologo nke zuru ụdị eri nke 1.5 in. ma ọ bụrụ na uzọ ọzọ kpọmkwem.
⑥, igwe ịghasa ihe
1) obere carbon ígwè anaghị agwọ ọrịa, dị ka 1006 ruo 1038
2) Mgbe a na-akọwapụta ihe nkedo igwe siri ike, a ga-eme ya site na obere carbon ígwè ma ọ bụ ọkara, dị ka 1018 ruo 1038, na ma ọ bụ na-enweghị boron, site na-esi ike ruo Rockwell C25-38.


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