- 13
- Apr
Online zafi magani-quenching da tempering magani | karfe bututu quenching da tempering | zagaye karfe quenching da tempering
Online zafi magani-quenching da tempering magani | karfe bututu quenching da tempering | zagaye karfe quenching da tempering
Quenching da fushi babban tsarin kula da zafi ne na quenching da matsanancin zafin jiki. Yawancin sassan da aka kashe da zafin jiki suna aiki ƙarƙashin babban nauyi mai ƙarfi. Suna fuskantar tashin hankali, matsawa, lankwasawa, tsagewa ko yanke. Wasu saman kuma suna da gogayya, suna buƙatar takamaiman matakin juriya da sauransu. A taƙaice, sassan suna aiki ƙarƙashin matsalolin mahalli daban-daban. Irin waɗannan sassa galibi sassa ne na injuna da injuna daban-daban, kamar su igiyoyi, igiyoyi masu haɗawa, bolts, gears, da sauransu, waɗanda galibi ana amfani da su a masana’antar kera kamar kayan aikin injin, motoci, da tarakta. Musamman ga manyan sassa a cikin masana’antar injin nauyi, quenching da maganin zafin jiki ana amfani da ƙari. Saboda haka, quenching da tempering magani ya mamaye matsayi mai mahimmanci a cikin maganin zafi.
Dangane da yanayin aiki na sassan da kuma don tabbatar da buƙatun aikin sassan, kamar ƙayyade zaɓi na quenching da zafin jiki, abu na farko da za a yi la’akari da shi shine tambaya na karfe da aka yi amfani da shi don quenching da tempering sassa. Gabaɗaya, dole ne a kula da waɗannan abubuwan:
1. Dangane da aikin aiwatarwa, ban da ingantaccen ƙirƙira da injina, abu mafi mahimmanci shine ƙarfin ƙarfi. Domin aikin karfe yana ƙaddara ta tsarin ƙarfe, kuma tsarin ƙarfe yana da alaƙa kai tsaye da ƙarfinsa. Aiki ya tabbatar da cewa karfe yana da mafi kyawun ingantattun kayan aikin injiniya bayan an taurare shi sosai kuma yana da zafi sosai. Lokacin da bangaren ya taurare gaba daya, komai karfen carbon ko karfe, ya kamata a sanya shi cikin taurinsa iri daya, kuma karfin juriyarsa, karfinsa da karfin gajiyawa iri daya ne.
2. Dangane da kaddarorin injiniyoyi, bayan da karfe ya ƙare kuma ya yi zafi, aikin ya kamata ya iya saduwa da alamun aikin da ake buƙata ta sassa. Dangane da buƙatun aikin injina na mafi ƙarancin sassa da zafin jiki, alamun aikin sa suna cikin kewayon mai zuwa. Saukewa: 600-1200MPa. Σs: 320-800 MPa. . Σs/σb: 50-60% σ-1 : 380-620MPa. Δ: 10-20% ψ: 40-50%
Brinell taurin 170-320HB