Kpọchie ike klas: marking, GOST na torque

Na taa mmepụta eji a plurality nke bughi ọcha, ọ bụla nke rụrụ ikpeazụ ngwaahịa a kpọmkwem ọrụ, mgbe mgbe, dị nnọọ mkpa. Ya mere, otu n'ime ebumnobi na imewe na imewe nke mgbagwoju mejupụtara owuwu-aghọ pụrụ ịdabere na gwara n'etiti nkpọwa.

The nzube nke na-eji kpọchie

E nwere ọtụtụ nhọrọ jikọọ abụọ, ndị dị ka ịgbado ọkụ, soldering, bonding, ojiji nke rivets. Otú ọ dị, ha nwere otu na ezi a ịrịba drawback - ha bụ otu onye-ibe. More kpomkwem, separable Otú ọ dị, ka iche iche akụkụ nwere deform ha, bee na na.

Ọ dị nnọọ mfe iji dị ka a fastener ekwesị, buru n'elu tupu klas nke bolt ike dabere na ibu na-eweta na mgbakọ.

Na eri na-eji na ọ fọrọ nke nta niile owuwu na ubé ọzọ mgbagwoju anya nkịtị teaspoon. Kere a ụgbọ ala na ọ dịghị onye cog. Nke mere na e a ụgbọ ala - na a nwa egwuri egwu, ike klas Ọdịdị nke bụ nnọọ ala, ọ ka na-adịghị eme na-enweghị threaded ọcha.

The uru nke threaded njikọ

N'agbanyeghị eziokwu na mgbe ụfọdụ, a nnukwu torque adịghị ekwe ka oge ụfọdụ free ka ihighari aku, kpọchie, ka nwere ọtụtụ uru ndị ọzọ kpọgide ụzọ:

1. High njikọ pụrụ ịdabere, egosipụta n'agụmakwụkwọ profaịlụ metric ma ọ bụ ihe ọ bụla ọzọ na eri. Profaịlụ mepụtara ekele ọtụtụ ọmụmụ, n'ihi idi ibu na-na-echebe site na onwe (ọ bụ ezie na ọ ga-ahọrọ ndị ziri ezi tightening torque).
2. Mfe mgbakọ na disassembly nke owuwu. Ọ na-nyere na ojiji nke a n'otu ọrụ ngwá ọrụ - isi napụtara, nke bụ ihe atụ, welded ma ọ bụ riveted njikọ.
3. Ịkụ nnukwu axial na transverse ibu. bolt ike na gbakọọ ma longitudinal na transverse direction. Modern ihe na teknụzụ eme ka o kwe belata ọnụ ọgụgụ nke fasteners eji na belata ya size.
4. Ala na-eri, karịsịa mgbe tụnyere ndị na-eri nke zuo nke ịgbado ọkụ ihe na ọrụ.

N'etiti ogige nke flaws - nchegbu ịta na eri mgbọrọgwụ. Ya mere, n'ihi na a ụdị nke owuwu a ga-ahọrọ klas nke bolt ike n'ụzọ ziri ezi na dị na etinyere ibu. Ọzọkwa, iji hụ na ntụkwasị obi nke threaded njikọ na ọ bụ uru na-echeta na ojiji nke kpochidoro ogbenye, dị ka mmiri washers ma ọ bụ mkpọchi akụ.

Types of threaded njikọ

Iji maka ịghasa njikọ, e kwesịrị ime ka otu esịtidem eri, na nke abụọ - mputa. The atọ umu ike ga-eji dabere na imewe atụmatụ:

1. ịghasa njikọ. Na nke a, ọrụ nke mkpụrụ (akụkụ na esịtidem eri) rụrụ akụkụ nke saịtị. Ọ mbụ e gwutere mmanụ onu. A na eri na-ahụ na etinyere ya. N'ihi na ndị ọzọ nkọwa a na-etinyere na a ezigbo okirikiri onu, mgbe nke ahụ ịghasa na-wetara.

2. kpọchie. Ebe a, ihe niile dị nnọọ mfe na ndị ọzọ pụrụ ịdabere: abụọ ejikọrọ akụkụ ezigbo gbapuru oghere na ha na-etinyere n'ime kpọchie, na na agbara n'akụkụ - aku.

3. studs, n'otu nsọtụ nke a na-screwed n'ime ihe ọnụ, na nke abụọ - na aku na-screwed.

Kpọchie ike klas

Dị ka e kwuru n'elu, fasteners ga-ọma ekwekọghị. E nweghị uche na a ot etiti racks ọrụ ngwaọrụ iji akụkụ nke igwe anaghị agba ígwè. N'otu oge, ụfọdụ Flange njikọ (e.g., tightening mmiri nke multi-ton nke ígwè owuwu) ọ na-achọrọ iji ihe na mma n'ibu e ji mara.

N'ozuzu, na klas nke bolt ike (GOST 1759.4-87) - bụ a set nke n'ibu àgwà, nke na-agụnye a nwa oge na-eguzogide, ókè ike, ikwu uru nke elongation mgbe mgbaji ọkpụkpụ, ekweghị ekwe nke ihe onwunwe, na na ụfọdụ ọbụna ike. A, nke a oke designation iji abụọ nọmba iche site na a oge. The mbụ n'ime ha, mgbe multiplication site na 10 na-egosi na ego nke oge a kacha nta na-eguzogide, na nke abụọ, na-amụba site ugboro 10, na-egosi hà nwetara site nkerisi mkpụrụ ike nke ihe onwunwe na ike ọdụdọ. The ngwaahịa ndị a otu abụọ gosiri onu uru nke kacha nta mkpụrụ ike. Ndị klas nke bolt ike na-dị na ya labeling, nke bụ ka ndị a: M12h1,25h60.58 ebe 58 - otu abụọ-ọbula nọmba.

tightening

Iji na ntukwasi-obi jide ịghasa njikọ ọcha nke ewu, ga-atọ ntị mgbalị (oge) tightening. Ya mere, were a ọnọdụ ebe ihe na-enweghị uche "na-arụ ụgbọ" na nke mbụ ọdịda n'okpuru hundu nke gị onwe gị ika-ụgbọala ọhụrụ na-agbalị ka o kwere mee ka mwekota nut ma ọ bụ ịghasa. All nke a nwere ike ịkpata na nke mbụ ahụ, dị nnọọ ihe na-ata na-arụ ọrụ a chizul, na nke abụọ - site na-egwu ala a onu ahu ihe. Nke a bụ n'ihi ọhụma họọrọ torque. Nwetara ụgbọ ala-arụzi ụgbọala, repairmen na dị nnọọ nwere a "wuru na-n'aka" dynamometer. Ma mbido bụ mma iji a torque spana ma ọ bụ ikuku na mmetụta napụtara, nke na-na-ekiri ka a kpọmkwem torque.

Olee otú ihighari na "mgbagwoju" bolt

E were ikesiike niile mere. Ma ka oge na-aga, na mkpa ka ị ihighari na fasteners ọzọ. N'ihi corrosion ka ya mgbe ụfọdụ na-nnọọ mfe, na elu-klas ike nke bolt anaghị zọpụta ya n'aka mbibi. N'ihi ya, i kwesịrị iburu n'uche na a ole na ole mfe ụzọ na ikwado unwinding:

1. Iji malite, ị kwesịrị ị na-eji "VeDeshkoy". Mejupụtara dissolves na oyi akwa nke ajari.

2. Jiri nwayọ enweta aku na a hama na-agbaji nchara na eri profaịlụ.

3. I nwere ike na-agbalị crank elu a ole na ole degrees na ntụziaka nke tightening na aku na mgbe unscrewed.

Ọ dị mkpa iji ọsọ, dị ka ha na-abụ na-anọ na nut ma ọ bụ achọ isi na isi.