Factory Manufacture Orisirisi Bolt ikoledanu Parts Yika Head Torsional rirẹ-ara boluti

Factory Manufacture Orisirisi Bolt ikoledanu Parts Yika Head Torsional rirẹ-ara boluti

Bolt aami ati iṣẹ onipò
(1) Logo.Awọn boluti hexagon ati awọn skru (okun ila opin ≥5mm).Aami convex tabi concave lori oke ti ori tabi ami concave ni ẹgbẹ ori ni a nilo.Pẹlu ite iṣẹ, boṣewa factory.Erogba, irin: koodu isamisi agbara ni awọn nọmba meji ti a yapa nipasẹ “·”.Apa oni-nọmba ṣaaju “·” ninu koodu isamisi tọkasi agbara fifẹ onipin.Fun apẹẹrẹ, “4″ ni ite 4.8 tumọ si 1/100 ti agbara fifẹ orukọ ti 400N/MM2.Itumọ ti “·” ati apakan oni-nọmba lẹhin aami ti o wa ninu koodu isamisi tọkasi ipin ikore, iyẹn ni, ipin ti aaye ikore ipin tabi agbara ikore orukọ si agbara fifẹ ipin.Fun apẹẹrẹ, aaye ikore ti ite 4.8 awọn ọja jẹ 320 N/mm2.Aami ami agbara ọja irin alagbara, irin jẹ ti awọn ẹya meji ti o ya sọtọ nipasẹ “-”.Aami ṣaaju "-" tọkasi ohun elo naa.Fun apẹẹrẹ, A2 ati A4 tọkasi agbara lẹhin a -, fun apẹẹrẹ, A2-70

(2) Ipele.Erogba irin: Metric boluti darí išẹ ite le ti wa ni pin si: 3.6, 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9 lapapọ 10 išẹ onipò.Irin alagbara, irin ti pin si 60,70,80 (austenite);50,70,80,110 (martensite);45,60 (ferrite) kilasi iii.