Letoto le tloaelehileng la bophara le molumo (GB/T193-2003)
Letoto le tloaelehileng la motsoako oa bophara le sekontiri se tla lumellana le provisio ea Lethathamo la 1. Ka tafoleng, sekontiri se lokela ho khethoa moleng o tšoanang le oa diamete.
Column diameter.Khetha letoto la pele la li-diameter pele, letoto la bobeli la bophara ba bobeli, ebe tsamaiso ea thuto e phahameng ea ho qetela.
Qoba ho khetha molumo ka har'a masakaneng ka hohle kamoo ho ka khonehang.
Likhoele tse peli tse hlakileng tse nang le lintlha (a, b) ka har'a tafole li lokela ho sebelisoa feela bakeng sa ts'ebeliso e khethehileng eo li hlalosoang ka eona.
Letoto le ikhethileng la li-diameter le molumo:
Bakeng sa li-diameter tse tloaelehileng tsa letoto, haeba molumo o khethehileng o nyane ho feta o boletsoeng ho Lethathamo la 1 o hlokahala, o lokela ho khethoa ho tse latelang:
3mm, 2mm, 1.5mm, 1mm, 0. 75mm, 0. 5mm, 0. 35mm, 0. 25mm, 0. 2mm
Ho khetha sekontiri se senyane ho feta se boletsoeng ho Lethathamo la 1 ho tla eketsa bothata ba ho etsa likhoele
E tsamaellanang le molumo oa lentsoe ho Lethathamo la 2, bophara bo boholo bo khethehileng bo khethiloeng ha boa lokela ho ba ka ntle ho bophara bo hlalositsoeng ho Lethathamo la 2.
7.3 Mamello e phahameng ea bophara
a) Mamello e kholo ea bophara ba khoele ea kantle:
Mamello ea Sehlopha sa 6: Ta (6)-180P3-3.15
Mamello ea boemo ba 4: Ta (4) =0.63Ta (6)
Mamello ea Kereiti ea 8: Ta (8) =1.6Ta (6)
Ta e lekanngoa ka li-micron ha P e lekanngoa ka limilimithara.
b) Mamello e nyane ea khoele ea ka hare:
Kereiti ya 6 mamello:1) Ha 0.2mm1mm:1 (6) =230P0.7
Mamello ea boemo ba 4: Tpi (4)=0.63 Tp (6)
:Mamello ea Kereiti ea 5: Toi (5) =0.8 Tbi (6); mamello ea Kereiti ea 7: Tpi (7) =1.25 Tbi (6); mamello ea Kereiti ea 8: Ho(8) = 1.6Tp1 (6To e lekantsoe ka li-microns le P ka limilimithara.
Moeli oa ho kheloha (GB/T2516-2003)
Litekanyetso tsa ho kheloha moeli oa bophara ba khoele bohareng le bophara bo kaholimo li bonts'itsoe ho Lethathamo la 1 (le siiloe).
Ntho leha e le efe e ka tlase profil ea likhoele ka hare le ka ntle ha ea lokela ho feta palo e kahodimodimo profil tiileng e behiloeng ke profil motheo le mamello sebaka boemo.The kheloha boleng ba bophara ba tafole e fuoa ho ea ka H / 6 ho itšeha bophahamo, eo e ka sebelisoa ho bala khatello ea kelello ea khoele e ka ntle.
Tlhokomeliso: Ho kheloha ha bophara bo fokolang ba khoele e ka ntle ho baloa e le -(les + H/6).Ntle le ha ho boletsoe ka tsela e 'ngoe, sebaka sa mamello se sebetsa ho likhoele pele ho plating.Ka mor'a ho roala, ha ho ntlha ho profil ea khoele e lokelang ho feta palo e phahameng ka ho fetisisa ea meno e tiileng e khethiloeng ke sebaka sa mamello sa H kapa h. Hlokomela: Lihlopha tsa mamello li sebetsa feela ho likhoele tse koahetsoeng ka mokhoa o mosesaane.Ka mohlala, khoele ea electroplating.
Nako ea poso: Sep-19-2023