Mene ne inch thread

A halin yanzu, da kayan gini kasuwar sukan miƙa bututu masu girma dabam suna kayyade a cikin inci. Mutane da yawa saye ba zai iya kula da shi, saboda haka akwai yiwuwar na saye bututu tare da size da cewa ba ya tabbatar da ake bukata. Dalilin wannan ya ta'allaka ne da cewa inch thread (denoted a kan bututu surface), kamar yadda sunan ya nuna, aka auna a inci. Kamar wancan ne wanda inch daidai 25.4 mm. Wannan darajar bambanta daga yarda da matsayin da millimeter, wanda zai iya muhimmanci wahalad da selection na zama dole bayani.

Thread inch nuni samar da wani cylindrical bututu masu girma dabam a inci, yayin da farar na thread aka nuna a cikin rabbai na raka'a (saboda da kananan darajar).

Saboda da bambanta rarrabuwar halayya millimeter da inch, a yi akwai wani gwaji bambanci tsakanin girma daga cikin thread a kan bututu. Wannan shi ne saboda Yammacin matsayin shardanta: inch thread suturta ciki diamita bututu. Ya kamata ya yi la'akari da bambance-bambance tsakanin awo da inch, don haka ya kira tube.

Alal misali, a kan tube nuna cewa inch thread size ne ½. Saboda haka, ka samu wani bututu da wani m diamita na 20,95 mm, maimakon sa ran 12.7 mm. Saboda haka inch bututu da ake samu ya zama 33,249 mm kuma kunshi wani size kai tsaye nassi da biyu kauri katangu.

Daga wannan misali da shi a fili yake cewa yin amfani da wannan siga ne mafi dace, tun da wannan tsarin ne mafi kyau characterizes size, wanda yana da inch thread.

Yanzu, lokacin da ya bayyana a tsarin rubutu, zuwa rarrabuwa da kuma aiki da wannan siga.

Silinda inch thread a kan manufa da kuma yanayin da aikin da aka raba:

1. Hawa thread. Wannan irin al'ada ake magana inch da awo thread ciwon triangular profile. Awo da aka yi amfani da zane na sabuwar inji da kuma raka'a, yayin da na biyu da ake bukata domin samar da wani iri-iri kayayyakin gyara.
2. A musamman thread hada da wani jam'i na daban-daban masu girma dabam ba conforming ga matsayin.

Tsarin awo thread sau da yawa kerarre da profile da ciwon wani kwana na 60 °. All dabi'u, ko matsanancin thread farar diamita an nuna a millimeters.

A mataki girma rarrabe daya firamare da kuma 5 iri karin thread (wanda kuma ake kira m). Ya kamata a lura da cewa irin wannan thread aka dauke su da karfi fiye da most (a lokacin da gaba daya daidai m diameters). A fili amfani da lallausan zaren kuma za a iya kira kananan kwana dagawa Helix, saboda haka, ya karu torsion-juriya.

Da zare na irin wannan da ake amfani a mafi lodi m sassa, kazalika da abubuwa da suke da batun karfi jolts da kuma kona. A gyara goro ma da irin wannan thread, kamar yadda shi damar don ƙarin daidai gyara.

Bugu da ƙari kuma, inch thread iya gudu a lokacin da juyawa kwana na 55 °. A wannan yanayin, da diamita ne har yanzu kafa a inci, amma thread farar ne m da yawan zaren da inch. Wannan irin da ake amfani a daban-daban threaded gidajen abinci ga inji kam tsakanin aka gyara.