M10-thread: yadda yake da shi?

Daya daga cikin nasarori, wanda ta taka muhimmiyar rawa a accelerating kimiyya da fasaha ci gaba da cewa bambanta da na karshe shekaru 500 na tarihin 'yan adam, shi ne da sabuwar dabara na wani Threaded connection. Bari mu dauki wani kusa look at da fasali.

Rivets da wedges

A zamanin da da ƙarfin prefabricated fili aka a haɗe irin hanyoyin matsayin wedges (katako kayayyakin) da kuma rivets (a karfe kayayyakin). Babban drawback na wadannan mahadi ya kasance, ya zauna, da rashin sake amfani kayyade wajen.

Wedges da rivets ne daya-lokaci amfani, da kuma wannan na bukatar wuce kima halin kaka. A farko thread kuma yana da wani gagarumin iyakancewa ba, tun bayan da aka sanya ba a kan inji ga yankan da kuma yin amfani da shaci, wanda thread ƙirƙira a kan zafi karfe. A cikin interchangeability daga sassa, da wani m da wani ciki thread, sanya a cikin irin wannan hanya shi ne, ba.

tsarin awo thread

A mafi yawan kasashe na duniya suka amince da tsarin awo tsarin na ji, wanda dogara ne a kan wani babban taron da daya mita ne daya dubu millimeters. Wannan ƙaddarãwar tsarin ne samun lokacinta kuma yi na inji ya haddasa tartsatsi awo zaren da kuma sauki ta nadi. Alal misali, nadi M10 (thread) - nan da harafin "M" na nuna diamita na awo tsarin na ji.

Sai dai ba duka sigogi cewa faye hali threaded connection. A wannan yanayin, da halayyar "Thread M10" diamita kaddamarda da reference adadi 10, shi yana nufin da m diamita a kan aron kusa. Bugu da kari ga thread diamita, akwai wani nuna alama kamar da thread farar.

Kamar yadda ake bukata bond ƙarfi, da thread farar iya zama daban-daban. Saboda haka, misali M10 thread iya dauka da wadannan matakai dabi'u:

• 0.5 mm;
• 0.75 mm;
• 1 mm;
• 1.25 mm.

Domin mafi girma misali thread farar a cikin nadi ba za a iya kayyade saboda shi ne yarda da matsayin babban daya. Saboda haka, idan muka duba cikin nadi M10, kuma bayan da cewa babu tarawa, sa'an nan ta tsoho, da M10-thread yana da wani farar na 1.25 mm.

A ciki awo thread

Da sauƙi, to da Threaded dangane aka yi amfani da, biyu zaren dole ne a haɗe, yankakken cikin dace wurare na sassa:

• waje - a kan aron kusa ko ingarma.
• ciki - a cikin goro ko da sassan jiki.

The cikakken bayani, wanda za a yi amfani da ciki thread M10 rami dole ne ya fadi na sukar dangane da tsawon da kuma farar. Wannan diamita ne sau da yawa sauki yin lissafi, da ciwon ilimi na na farko ilmin lissafi da kuma ko da ba tare da ciwon a hannunka allunan da misali dabi'u kamar misali soma a cikin tsarin awo tsarin domin thread dagi kwana ne 60 digiri.

Dokokin na isosceles alwatika da Pythagorean Theorem damar zuwa sauƙi sanin cewa thread tsawo a increments na 1 millimeter ne daidai 0,866 millimeter. Saboda haka, budewa, cikinsa da thread-M10 za a halitta dole ne su kasance a kalla 8,268 mm

10 - 0.866 - 0.866 = 0.8268

Tun da zare ne a garesu na hakowa axis, da thread tsawo ne mu cire daga m diamita sau biyu.

Me ya sa ake daban-daban farar

Kamar yadda na ambata a baya, dangane da ake buƙata ƙarfi daga cikin dangane da yin amfani da daban-daban thread farar. Mafi na kowa daga cikin wadanda amfani da aikin injiniya da kuma sauran yankunan - shi ne mai babbar mataki. Duk da haka, domin high-ƙarfi sadarwa da ake amfani da da kuma a kananan thread farar.

Shi, a cikin Bugu da kari, ana kuma amfani da inda mafi girma daidaito ake bukata. Alal misali, a cikin aunawa kayan aiki mafi girma daidaito fiye da caliper amfani da tsarin awo thread da kananan ko kadan farar zaren. A wannan yanayin, translational motsi, da adadin abin da za a auna, ya raba ta da tsawon da thread karkara, da sa su auna ba kawai tenths, amma 'yan hundredths na wani millimeter.

Babu shakka, da manyan thread farar zai hana m ji. Saboda M10-thread tare da manyan farar na 1.25 millimeter ji daidaito zai zama biyu da rabi sau fiye da karami sosai lafiya farar 0.5 millimeter.

Shi ne ya kamata a lura da cewa saboda da mafi hadaddun (cikin sharuddan fasahar) nuna thread tare da sosai kananan mataki, shi ne kusan ba a yi amfani da inji aikin injiniya. Babban yankin na aikace-aikace - wani ma'auni kayan aiki.

Ko da yake mafi Threaded sadarwa yana da hakkin thread (don ƙara ja da aron kusa, shi ne zama dole kafin a juya a cikin kewaye iri na agogo shugabanci) na iya amfani da bar idan ya cancanta. Alal misali, a sa na pedals ga bike yana da hagu da kuma dama da hawa thread.