Nyocha ọdịnaya nke fasteners

Fasteners, nke a makwaara dị ka akụkụ ọkọlọtọ n'ahịa, bụ okwu izugbe maka ụdị akụkụ igwe eji ejikọta akụkụ abụọ ma ọ bụ karịa (ma ọ bụ ihe mejupụtara) n'enweghị nsogbu. A na-akpọ ha "mita ụlọ ọrụ" ma nwee ngwa ngwa n'ọhịa dị ka igwe, akụrụngwa, ụgbọ ala, ụgbọ mmiri, ụgbọ okporo ígwè, àkwà mmiri, ụlọ, ihe owuwu, ngwá ọrụ, ngwá ọrụ, ngwá ọrụ, na akụrụngwa.

Ihe nleba anya arụmọrụ nke fasteners gụnyere: nha, kemịkalụ kemịkalụ, nnwale na-adịghị emebi emebi, akụrụngwa akụrụngwa gụnyere ọnụọgụ njikọ bolt nke torsion, ike axial na-eme ka ike sie ike, tensile (ike mpụta, ike tensile), ike siri ike, na akụrụngwa akụrụngwa nnwale nke ihe nrụnye ígwè.

The arụmọrụ akara ule nkebolts maka nhazi ncharanjikọ bụ 4.6, 4.8, 6.8, 8.8,10.9, 12.9, wdg. The bolts nke ọkwa 8.8 na n'elu na-akwado site ala-carbon alloy steel ma ọ bụ ọkara carbon ígwè na okpomọkụ mesoo, nke a na-akpọkarị.elu-ike bolts, na ndị ọzọ ka a na-akpọkarị bolts nkịtị

Nyocha ọdịnaya nke fasteners

1. Akụkụ dị iche iche: eriri go / no go gauge, nkwụsị elu, akụkụ dị iche iche dị ka isi dayameta, dayameta pitch, obere dayameta, akụkụ profaịlụ, pitch, wdg.

2. Mechanical arụmọrụ ule: tensile ule, njide ule, hardness ule, re tempering ule, mmetụta ule, wedge ibu ule, shiee ule, ike ọgwụgwụ, kpochidoro arụmọrụ, torque ọnụọgụ, tightening axial ike, esemokwu ọnụọgụ, mgbochi slip ọnụọgụ, screwability ule, gasket elasticity, siri ike ule, hydrogen embrittlement ule, wdg.

3. Chemical mejupụtara analysis: fastener chemical mejupụtara analysis, fastener metal ihe ọkwa njirimara, wdg.

4. Metallographic analysis: microstructure, omimi nke decarburization oyi akwa, omimi nke carburization oyi akwa, ọka size rating, nsonye ọdịnaya, macrostructure, wdg.

5. Ntụle ọdịda: nyocha mgbawa, nyocha mgbawa, nyocha mgbawa, wdg.

6. Nnwale nguzogide corrosion: Nnwale ịgba mmiri nnu na-anọpụ iche (NSS), ule ịgba mmiri acetate (AASS), ule ịgba ọsọ acetate ịgba ọsọ ọla kọpa (CASS)