Kodi mukufuna kudziwa zambiri za makhalidwe abwino kwambiri a giredi 12.9?bolt ya allen, yomwe imadziwikanso kuti bolt yolimba kwambiri? Tiyeni tifufuze bwino mawonekedwe ndi momwe zinthu zosiyanasiyana zimagwiritsidwira ntchito pa chinthu chodabwitsachi.
Bolodi ya allen ya grade 12.9, yomwe nthawi zambiri imadziwika chifukwa cha mtundu wake wakuda wachilengedwe komanso kukongola kwake kopaka mafuta, ili m'gulu lamabotolo okoka kwambiriMabotolo amenewa nthawi zambiri amapangidwa ndi chitsulo ndipo amawonetsa magwiridwe antchito kuyambira 3.6 mpaka 12.9, zomwe zimapereka mitundu yosiyanasiyana ya mphamvu zomwe zimagwiritsidwa ntchito m'mafakitale osiyanasiyana.
Makamaka, botolo la allen la 12.9 grade, limagwiritsidwa ntchito kwambiri m'malo omwe amafuna magwiridwe antchito apamwamba a makina. Makampani monga makina opangira jakisoni, zida zama hydraulic, ndi ma assemblies a nkhungu nthawi zambiri amadalira kulimba ndi kulimba kwa mabotolo awa. Chodziwika bwino ndi chakuti, kuuma kwa pamwamba pa botolo la allen la 12.9 grade lomwe limatenthedwa ndi kutentha kumatha kufika pa 39-44 HRC yodabwitsa, kuonetsetsa kuti magwiridwe antchito abwino kwambiri pakakhala zovuta.
Ndikofunikira kudziwa kuti mutu wa bolt ya allen ya grade 12.9 umabwera ndi kapena wopanda knurling. Kawirikawiri, mutu wopindika umatanthauza bolt ya grade 12.9, pomwe omwe alibe knurling ali m'magulu amphamvu otsika, monga giredi 4.8. Kusiyana kumeneku kumapereka kumveka bwino posankha yoyenera.boltpa ntchito zinazake, kuonetsetsa kuti pali kudalirika komanso chitetezo m'malo osiyanasiyana aukadaulo.
Maboluti athu a allen a grade 12.9 ali ndi zabwino zambiri, kuphatikizapo kapangidwe kake kapadera ka mutu wa hexagonal. Kapangidwe kameneka kamalola mphamvu yowonjezereka panthawi yoyika ndi kulimbitsa, zomwe zimapangitsa kuti maboluti awa akhale oyenera kwambiri pa ntchito yolumikizana molondola komanso mwamphamvu, makamaka m'malo otsekeka.
Kuphatikiza apo, kapangidwe kake ka allen bolt kamapereka kukana kowonjezereka kutsetsereka, kuonetsetsa kuti kulumikizana kuli kotetezeka komanso kokhazikika panthawi yoyika kapena kuichotsa. Khalidweli limapangitsa allen bolt kukhala yothandiza kwambiri pamapulojekiti omwe ali ndi mphamvu zolimba, kupereka maulalo olimba komanso odalirika.
Kuphatikiza apo, bolti ya allen nthawi zambiri imakhala yolimba polimbana ndi dzimbiri, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito panja kapena pamalo owononga kwambiri. Mtundu uwu umatsimikizira kuti bolti ya allen ndi chisankho chodalirika chogwiritsidwa ntchito kwa nthawi yayitali, makamaka pazochitika zomwe zimafuna chitetezo chowonjezera cha bolti.
Pomaliza, bolt ya allen ya grade 12.9 imasonyeza kusakanikirana kwa mphamvu, kulondola, ndi kulimba mtima, zomwe zimapangitsa kuti ikhale chinthu chofunikira kwambiri m'mafakitale osiyanasiyana. Kugwira ntchito kwake bwino komanso kusinthasintha kwake kumatsimikizira gawo lake lofunika kwambiri pakuthandizira zomangamanga zolimba komanso zokhalitsa.
Nthawi yotumizira: Januwale-09-2024
