Kedu otu esi echekwa ihe mkpuchi mkpuchi dị elu?

Akwa ike bolts dị ka 12.9 bolt, 10.9 bolt, 8.8 bolts

1 Nka na ụzụ chọrọ makaelu ike bolts ọkwa

1) bolts dị elu kwesịrị izute nkọwa ndị a:

The oru egosi nke elu-ike bolts ga-ezute mkpa chọrọ nkeASTM A325 igwe ihe eji arụ ọrụakara ule na ụdị, ASTM F436 siri ike igwe washers nkọwa, na ASTM A563 mkpụrụ.

2) Na mgbakwunye na izute ụkpụrụ ASTM A325 na ASTM A307, geometry nke bolt kwesịkwara imezu ihe achọrọ B18.2.1 na ANSI. Na mgbakwunye na izute ụkpụrụ nke ASTMA 563, mkpụrụ kwesịrị izute ihe ndị chọrọ ANSI B18.2.2.

3) Ndị na-eweta ngwaahịa na-akwado bolts ike dị elu, mkpụrụ, washers na akụkụ ndị ọzọ nke mgbakọ iji hụ na a na-amata bolts a ga-eji mee ihe ma mezuo ihe achọrọ nke nkọwa ASTM. A na-achịkọta bolts ike dị elu site n'aka onye nrụpụta na batches Maka ọkọnọ, onye nrụpụta ga-enyerịrị akwụkwọ ikike nkwa ngwaahịa kwa ogbe.

4) Onye na-eweta ya ga-enye mkpụrụ osisi lubricated nke a nwalere na bolts dị elu nyere.

2. elu ike bolts maka ígwè ỌdịdịNchekwa nke bolts

1) Ihe mkpuchi dị eluga-abụ nke mmiri ozuzo na-adịghị egbochi mmiri, nke na-egbochi mmiri, ma mechie ya n'oge njem na nchekwa, na a ga-etinyerịrị ya na obere obere ka ọ ghara imebi eriri.

2) Mgbe bolts dị elu na-abanye na saịtị ahụ, a ga-enyocha ha dịka iwu siri dị. Naanị mgbe ị gafechara nyocha ahụ, enwere ike itinye ya na ngwa ahịa ma jiri ya mee ihe maka mmepụta.

3) Nke ọ bụla ogbe nkeelu-ike boltskwesịrị inwe akwụkwọ mmepụta ihe. Tupu etinye bolts na nchekwa, a ga-enyocha ihe nkedo nke ọ bụla ma nyochaa ya. Mgbe a na-etinye bolts dị elu na nchekwa, a ga-enyocha onye na-emepụta ihe, ọnụ ọgụgụ, akara, ụdị, nkọwapụta, wdg, na nọmba batch na nkọwa (akara akara (ogologo na dayameta) na-echekwa ya na nhazi zuru oke, ma na-echebe ya pụọ ​​na ya. mmiri na uzuzu n'oge nchekwa iji gbochie nrụrụ na ọnọdụ ihu igwe ka amachibidoro nke ọma.

4) Ekwesịrị ịchekwa bolts ike dị elu na edemede dị ka ọnụ ọgụgụ batch na nkọwapụta gosipụtara na igbe nkwakọ ngwaahịa. Ekwesịrị ịchekwa ha na nchekwa n'elu n'ime ụlọ ma ghara ikpokọta ha karịa ọkwa ise. Emepela igbe ahụ dịka o kwere mee n'oge nchekwa iji gbochie nchara na mmetọ.

5) Na saịtị nrụnye, a ga-etinye bolts n'ime akpa a na-ekpuchi iji zere mmetụta nke uzuzu na mmiri. A gaghị eji bolts nwere nchara na uzuzu na-ewu ụlọ ọ gwụla ma ha tozuru oke dịka ASTM F1852 si kwuo.