Mipira yozama kwambiri ndiyo mtundu wodziwika kwambiri wa mpira.

Amagwiritsidwa ntchito kwambiri m'magalimoto amagetsi ndi zida zapakhomo, ma mota zamagalimoto, makina akuofesi, zowongolera zokha, komanso zida zam'munda ndi zapakhomo.Amakhala ndi mikwingwirima yakuya, ndipo kukula kwawo kwanjira kumayandikira kukula kwa mpira wamkati.

Mipira yakuya ya groove imatha kuperekedwa mumitundu yosiyanasiyana, zida ndi mitundu malinga ndi zosowa za ogula, kuphatikiza ntchito zapadera zamakampani, monga kugwiritsa ntchito kutentha kwambiri.Mapiritsi otentha amatha kupirira kutentha mpaka 350 ° C (660 ° F) ndipo ndi oyenera makina omwe amagwiritsidwa ntchito m'makampani azitsulo kapena mavuni a mafakitale.

Iwo ali ndi mapangidwe awiri: mzere umodzi wozama kwambiri wa mpira.Palinso mizere iwiri yokhala ndi mizere iwiri yokhala ndi mipira.Kutengera ndikugwiritsa ntchito, amathanso kupangidwa mosiyanasiyana komanso mosiyanasiyana, kuchokera ku timipira tating'ono tonyamula katundu wopepuka ndi tizigawo ting'onoting'ono mpaka ma bere akulu akulu akuya kwambiri ndi mayendedwe ozama kwambiri.

Kusintha mayendedwe a mpira wakuya ndi ma sliding bearings kungabweretse ubwino wambiri: kuphatikizapo kuchepetsa ndalama, kuchepetsa kukonzanso, kuchepetsa phokoso komanso kuphweka kosavuta.Ma sliding bearings amathanso kukhala ndi katundu wapamwamba kwambiri, msonkhano wosavuta, moyo wautali wautumiki, kukula kwa nyumba ndi kukula kwa msonkhano ndi kulemera kwake.