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Ndi mfundo ziti zamakina owumitsa ma frequency apamwamba?

Kodi mfundo za makina owumitsa kwambiri pafupipafupi?

(1) Mfundo zoyambirira

Ikani chogwirira ntchito mu bala la inductor ndi chubu chamkuwa chopanda kanthu. Pambuyo podutsa ma frequency apakati kapena ma frequency alternating pakali pano, kupangika kwa ma frequency omwewo kumapangidwa pamwamba pa workpiece, ndipo pamwamba kapena gawo la gawolo limatenthedwa mwachangu (kutentha kumatha kuonjezeredwa mkati mwa masekondi angapo) 800 ~1000 ℃, pachimake akadali pafupi kutentha firiji) Patapita masekondi angapo, utsi (kumiza) madzi kuzirala (kapena kupopera kumiza mafuta kuzirala) mwamsanga ndipo nthawi yomweyo kumaliza kumiza ntchito, kuti pamwamba kapena gawo la workpiece akhoza kukumana zofunika kuuma molingana.

(2) Kusankha kwafupipafupi kutentha

Pa kutentha kwa firiji, mgwirizano pakati pa kuya kwa δ (mm) ya mphamvu yowonongeka yomwe ikuyenda pamwamba pa chogwirira ntchito ndi f (HZ) yomwe ilipo pano ndi yakuti mafupipafupi amawonjezeka, kuya kwapakati kumachepa, ndipo kusanjikiza kolimba kumachepa.

Ma frequency omwe amagwiritsidwa ntchito kwambiri ndi awa:

1. Kutentha kwapang’onopang’ono: 100~500KHZ, yomwe imagwiritsidwa ntchito kwambiri 200~300KHZ, ndi chubu chamagetsi chamtundu wapamwamba kwambiri, kuuma kosanjikiza kuya ndi 0.5 ~ 2.5mm, oyenera magawo ang’onoang’ono ndi apakatikati.

2. Kutentha kwapakati pafupipafupi: Ma frequency apano ndi 500~10000HZ, nthawi zambiri 2500~8000HZ, zida zopangira magetsi ndi makina opangira ma frequency apakati kapena silicon yoyendetsedwa ndi jenereta yapakati pafupipafupi. Kuzama kwa wosanjikiza wowuma ndi 2 ~ 10 mm. Oyenera ma shafts akuluakulu awiri, magiya apakati ndi akuluakulu, etc. 3. Kutentha kwapakati pa mphamvu: Kutentha kwamakono ndi 50HZ. Pogwiritsa ntchito zida zamagetsi zamagetsi zamagetsi zamagetsi, kuya kwa gawo lowumitsidwa kumatha kufika 10-20mm, komwe kuli koyenera kuzimitsa zinthu zazikuluzikulu zakuya.