Ho u ruta mokhoa oa ho khetha li-fasteners tse nepahetseng

Joalo ka ntho ea bohlokoa likhokahanong tsa mochini, khetho ea liparamente tsa li-fasteners e bohlokoa bakeng sa ho netefatsa botsitso le polokeho ea khokahano.

6f06e1b9fdab583bc016584ddf59543

1. Lebitso la Sehlahiswa (Tlwaelehileng)
Lebitso la sehlahisoa sa fastener le amahanngoa ka kotloloho le sebopeho sa lona le boemo ba ts'ebeliso. Bakeng sa li-fasteners tse tsamaellanang le maemo a ikhethileng, ho ngola nomoro e tloaelehileng ho ka bonts'a moralo le ts'ebetso ea tsona ka nepo. Ha ho se na litekanyetso tse hlakileng, likarolo tse sa tloaelehang (likarolo tse sa tloaelehang) li hloka litšoantšo tse qaqileng ho bontša litekanyo le libopeho tsa tsona.
2. Litlhaloso
Tlhaloso ea li-fasteners hangata e na le likarolo tse peli: bophara ba khoele le bolelele ba screw. Sistimi ea metric le ea Amerika ke litsamaiso tse peli tsa mantlha tse hlalosang. Li-screws tsa metric tse kang M4-0.7x8, moo M4 e emelang khoele e bophara ba 4mm, 0.7 e emela sekontiri, 'me 8 e emela bolelele ba sekoti. Li-screws tsa Amerika tse kang 6 # -32 * 3/8, moo 6 # e emelang bophara ba ka ntle ba khoele, 32 e emela palo ea likhoele ka bolelele ba lisenthimithara tsa khoele, 'me 3/8 ke bolelele ba sekoti.
3. Boitsebiso
Lisebelisoa tsa li-fasteners li khetholla matla a tsona, ho hanyetsa kutu, le bophelo ba tšebeletso. Lisebelisoa tse tloaelehileng li kenyelletsa tšepe ea carbon, tšepe e sa hloekang, tšepe e sa hloekang, koporo, aluminium, joalo-joalo. Litšepe tsa carbon li ka aroloa ka tšepe e tlaase ea carbon, carbon steel, high carbon steel, le alloy steel. Ho bohlokoa ho khetha lisebelisoa tse nepahetseng ho latela maemo a ts'ebeliso le litlhoko tsa ts'ebetso.
4. Boemo ba matla
Bakeng sa li-fasteners tsa tšepe tsa carbon, boemo ba matla bo bonahatsa matla a bona a tsitsitseng le matla a ho hlahisa. Maemo a tloaelehileng a kenyelletsa 4.8, 5.8, 6.8, 8.8, 10.9, 12.9, joalo-joalo. Li-screws tse matla tse phahameng, tse kang lihlahisoa tsa sehlopha sa 8.8 kapa ho feta, hangata li hloka phekolo ea mocheso le ho futhumatsa mocheso ho ntlafatsa thepa ea bona ea mochine.
5. Phekolo ea sefahleho
Kalafo ea holim'a metsi e reretsoe ho eketsa ho hanyetsa kutu le botle ba li-fasteners. Mekhoa e tloaelehileng ea ts'ebetso e kenyelletsa ho etsa blackening, galvanizing (joalo ka zinki e putsoa le e tšoeu, zinki e tšoeu, joalo-joalo), koporo ea koporo, nickel plating, chrome plating, joalo-joalo. bophelo ba tšebeletso ea li-fasteners.

5cd5075fed33fc92f059f020e8536a8

Ka bokhutšoanyane, ha u khetha li-fasteners, ho hlokahala hore u nahane ka botlalo lintlha tse kang lebitso la sehlahisoa (se tloaelehileng), litlhaloso, lisebelisoa, boemo ba matla, le phekolo ea holim'a metsi ho netefatsa hore li finyella litlhoko tsa tšebeliso le ho sebetsa hantle le nako ea bophelo.


Nako ea poso: Aug-28-2024