BusinessJụọ ọkachamara

M10-eri: otú ọ bụ?

Otu n'ime ihe ndị rụzuru, nke na-egwuri ọrụ dị mkpa ngwa ngwa na nkà mmụta sayensị na nkà na ụzụ na-enwe ọganihu na ọdịiche ikpeazụ 500 afọ, ụmụ mmadụ bụ mepụtara nke a threaded njikọ. Ka anyị lebakwuo anya na ya atụmatụ.

Rivets na wedges

N'oge ochie ike nke prefabricated compound e mmasị dị otú ahụ ụzọ ndị dị ka ndị wedges (osisi ngwaahịa) na rivets (na metal ngwaahịa). Isi drawback nke ndị a ogige a na-anọgide na-enweghị ike re-eji gwara n'aka.

Wedges na rivets bụ otu oge eme ihe, na a na-achọ oké akwụ ụgwọ. The mbụ eri nwekwara a dị ịrịba ama mmachi, ebe ọ bụ na ha na-mere na-na igwe n'ihi na ọnwụ na ojiji nke ndebiri, nke eri esorowo na-ekpo ọkụ metal. On ngakorita nke akụkụ, nwere elu na ihe dị n'ime eri, mere ihe dị otú ahụ ọ bụ.

metric eri

Ọtụtụ mba nke ụwa nakweere metric usoro ịtụ, nke dabeere na a ogbako na otu mita bụ otu puku millimeters. Nke a e ji atụ usoro a na inweta ọkụ na imewe nke ígwè ọrụ emewo ka ebe nile metric eri na mfe nke ya aha. Ka ihe atụ, designation M10 (eri) - ebe a na akwụkwọ ozi "M" na-egosi na dayameta nke metric usoro ịtụ.

Ma, nke ahụ ọ bụghị ihe niile kwa na ya mara na threaded njikọ. Na nke a, e ji mara "eri M10" n'obosara ẹkedọhọde akwụkwọ onuogugu 10, ọ na-ezo aka ná mpụta n'obosara na kpọchie. Na mgbakwunye na eri n'obosara, e nwere ihe na-egosi ndị dị otú ahụ dị ka na eri pitch.

Ka chọrọ nkekọ ike, na eri pitch nwere ike ịbụ dị iche iche. N'ihi ya, ọkọlọtọ M10 eri nwere ike na-ndị na-esonụ ụkpụrụ:

  • 0,5 mm;
  • 0,75 mm;
  • 1 mm;
  • 1.25 mm.

N'ihi na ndị kasị ibu ọkọlọtọ eri pitch na designation enweghị ike kpọmkwem n'ihi na ọ na a na-anabata dị ka isi otu. Ya mere, ọ bụrụ na anyị na-ahụ designation M10, na mgbe na e nweghị mgbakwunye, mgbe ahụ, site na ndabara, M10-eri nwere a pitch nke 1.25 mm.

The esịtidem metric eri

Kwesịrị ịdị, iji na threaded njikọ e ji, abụọ eri ga-achọkwa, chopped n'ime kwesịrị ekwesị ebe nke akụkụ:

  • mpụga - na kpọchie ma ọ bụ stud;
  • ime na - na nut ma ọ bụ na akụkụ ahụ.

Na zuru ezu, nke na esịtidem eri M10 na-etinyere, a oghere ga-gbapuru na ogologo na pitch. Nke a n'obosara bụ mgbe mfe gbakọọ, na-enwe ihe ọmụma nke elementrị mgbakọ na mwepụ na ọbụna enweghị nwere na aka tebụl na ọkọlọtọ ụkpụrụ dị ka ọkọlọtọ nakweere na metric usoro maka na eri crest n'akuku bụ 60 degrees.

Iwu nke isosceles triangle na Pythagorean Theorem ekwe ka mfe ịchọpụta na eri elu increments nke 1 millimeter bụ hà 0,866 millimeter. N'ihi ya, aperture, nke na eri-M10 ga-kere ga-dịkarịa ala 8,268 mm

10 - 0.866 - 0.866 = 0.8268

Ebe ọ bụ na eri bụ na abụọ nke-egwu axis, na eri elu na-subtracted si ná mpụta n'obosara ugboro abụọ.

Gịnị mere e a dị iche iche pitch

Dị ka m kwuru na mbụ, dabere na chọrọ ike nke njikọ iji dị iche iche na eri pitch. The kasị n'etiti ndị na-eji na engineering na n'ebe ndị ọzọ - bụ a isi nzọụkwụ. Otú ọ dị, n'ihi na ụba nkekọ ike a na-eji na a obere eri pitch.

Ọ, ke adianade do, na-eji ebe elu kpomkwem a chọrọ. Ihe atụ, na ndị ji atụ ngwá elu kpomkwem karịa caliper eji metric eri na a obere ma ọ bụ nnọọ obere pitch eri. Na nke a, translational ije, ego nke nke ga-tụrụ, kewara site n'ogologo nke na eri gbaa, nke na-enyere tụọ bụghị nanị otu ụzọ n'ụzọ iri, ma ole na ole hundredths nke a millimeter.

Kwesịrị ịdị, na nnukwu na eri pitch ga-egbochi ezi n'ihe. N'ihi na M10-eri na a nnukwu pitch nke 1.25 millimeter n'ihe ziri ezi ga-abụ abụọ na ọkara nta karịa nnọọ mma pitch nke 0,5 millimeter.

Ọ bụ uru na-arịba ama na n'ihi na ihe mgbagwoju (na okwu nke technology) emepụta eri na a nnọọ obere nzọụkwụ, ọ na-fọrọ nke nta mgbe eji na n'ibu injinịa. Isi nke ebe ngwa - a ọtụtụ ngwá ọrụ.

N'agbanyeghị na ọtụtụ threaded njikọ nwere nri eri (ikesiike na kpọchie, ọ dị mkpa iji bugharia na malite direction) nwere ike etinyere na-ekpe ma ọ bụrụ na ọ dị mkpa. Dị ka ihe atụ, a set nke pedal maka bike nwere ekpe na nri-arịọnụ eri.

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