Nkọwa ọkọlọtọ maka kposara

Ụkpụrụ ndị a na-ejikarị eme ihe bụ ndị a:
GB-China National Standard (National Standard)
ANSI-American National Standard (American Standard)
DIN-Ọkọlọtọ mba German (Ọkọlọtọ German)
ASME-American Society of Mechanical Engineers Standard
JIS-Japanese Standard (Ọkọlọtọ Japan)
BSW-British National Standard

Na mgbakwunye na akụkụ ụfọdụ dị mkpa, dị ka isi isi na isi n'akụkụ akụkụ, akụkụ kachasị dị iche iche nke ụkpụrụ a kpọtụrụ aha maka kposara bụ eri. , nke a na-akpọkọta ọnụ dị ka eri metric.Eriri dị ka ANSI, ASME, dị na sentimita ma a na-akpọkwa eri ọkọlọtọ America.E wezụga metric threads na American threads, enwekwara ọkọlọtọ BSW-British, na eri dịkwa na sentimita asatọ, nke a na-akpọkarị Whitworth threads.

Eriri metric dị na MM (mm), na akụkụ cusp ya bụ ogo 60.A na-atụ eriri Amerika abụọ na nke Imperial na sentimita asatọ.The cusp angle nke American thread bụkwa 60 degrees, ebe cusp angle nke British eri bụ 55 degrees.N'ihi nha nha dị iche iche, ụzọ nnọchi anya nke eriri dị iche iche dịkwa iche.Dịka ọmụmaatụ, M16-2X60 na-anọchi anya eriri metric.Ọ pụtara kpọmkwem na ọnụ ala dayameta nke ịghasa bụ 16MM, pitch bụ 2MM, na ogologo bụ 60MM.Ọmụmaatụ ọzọ: 1/4-20X3/4 pụtara eriri usoro Britain.Ihe ọ pụtara kpọmkwem bụ dayameta aha nke ịghasa bụ 1/4 inch (otu anụ ọhịa = 25.4MM), e nwere ezé 20 na otu inch, na ogologo bụ 3/4 inch.Na mgbakwunye, ọ bụrụ na ịchọrọ igosi skru ndị America mere, UNC na UNF na-agbakwunyekarị mgbe screws ndị Britain mere ka ha mata ọdịiche dị n'etiti eri na-enweghị isi nke America na eri mara mma nke America mere.

Yihe Enterprise bụ ụlọ ọrụ pụrụ iche na-emepụta US mere amchine kposara ANSI, BS igwe ịghasa, bolt corrugated, indlcuidng 2BA, 3BA, 4BA;Igwe ihe nkedo German mere DIN (DIN84 / DIN963 / DIN7985 / DIN966 / DIN964 / DIN967);GB Series na ụdị ndị ọzọ nke ọkọlọtọ na ngwaahịa na-abụghị ọkọlọtọ dị ka igwe kposara na ụdị ọ bụla nke igwe brass skru.