Ke hobane'ng ha sheave kapa hula e lokela ho ba phosphate blackening?
The PULE ke karolo ea mofuta oa hub, 'me thepa ka kakaretso ke tšepe e entsoeng ka tšepe. Ts'ebetso ea tlhahiso hangata e ipapisitse le ho lahla le ho forging. Ka hona, lihlahisoa tsa pulley ntle le phekolo ea holim'a metsi li atisa ho ba le li-burrs 'me li ka lematsa matsoho a hau. Li ka boela tsa ba le mafome ka mor'a ho sebelisoa nako e telele sebakeng se mongobo. mafome a mafome.
Hajoale, kalafo e sebelisoang hangata ea holim'a li-pulleys ke phosphating le blackening. Ts'ebetso ke ho tlosoa ha oli le mafome - ho hloekisa metsi - ho lokisa holim'a metsi - phosphating - ho hloekisa metsi - phekolo ea chromate - ho omisa - ho phekola ka mafura kapa ho daea:
Ka mor'a hore pulley e be phosphated 'me e ntšoe, pulley e na le ponahalo e ntle ka ho fetisisa e ntšo. Ntho ea bohlokoa ke hore ka mor'a hore pulley e be phosphated le e ntšo, ha ho bonolo ho rusa. Bophelo ba tšebeletso ea pulley bo atolosoa haholo, bo ka thusang bareki ka katleho ho fokotsa litšenyehelo.
