- 08
- Feb
Momwe mungawerengere mphamvu ya ng’anjo yotenthetsera induction ?
Momwe mungawerengere mphamvu ya ng’anjo yotenthetsera induction ?
Nthawi zambiri, njira yoyeserera imagwiritsidwa ntchito kuyerekeza kuchuluka kwamphamvu komwe kumafunikira magetsi oyatsira moto. Kuchulukana kwamphamvu kofunikira pakuzama kosiyanasiyana kowumitsidwa kwazitsulo za carbon steel pama frequency osiyanasiyana akuwonetsedwa mu Table 2-16. Mphamvu ya chipangizo chopangira magetsi zimadalira mphamvu yamagetsi (P) yowerengedwa mu kW/cm² pamwamba pa chogwirira ntchito komanso malo otenthetsera A mu cm². Kusankha mphamvu kachulukidwe zimadalira Kutentha pamwamba m’dera ndi quenching mikhalidwe luso. M’munsi mafupipafupi panopa, ang’onoang’ono m’mimba mwake wa gawo ndi osaya chofunika kuumitsa wosanjikiza kuya, waukulu chofunika mphamvu kachulukidwe ayenera kukhala. Table 2-16 ndiye mulingo woyenera wa kachulukidwe ka mphamvu. Mukamagwiritsa ntchito ma frequency apamwamba komanso mphamvu zomvera kwambiri, P nthawi zambiri imakhala 0.6 ~ 2.0kW/cm². Mukamagwiritsa ntchito ma frequency apakati, P nthawi zambiri amakhala 0.8 ~ 2.5kW/cm². Kuzama kosanjikiza kosanjikiza 2-16 mpweya zitsulo oumitsa wosanjikiza zopezedwa ma frequency osiyanasiyana ndi mphamvu kachulukidwe madigiri.
Table 2-16 Wolimba wosanjikiza wosanjikiza kuzama kwa chitsulo cha kaboni pama frequency osiyanasiyana ndi kachulukidwe ka mphamvu
pafupipafupi
/ kHz |
Anaumitsa wosanjikiza kuya | Ochepa mphamvu kachulukidwe | Kuchuluka kwamphamvu kwamphamvu | |||
mm | in | kW/cm2 | kW/mu2 | kW/cm2 | kW/mu2 | |
450 | 0.4 – 1.1 | 0.015 -0.045 | 1. 1 | 7 | 1.86 | 12 |
1.1-2.3 | 0.045-0.090 | 0.46 | 3 | 1.24 | 8 | |
10 | 1.5-2.3 | 0.060 – 0.090 | 1.24 | 8 | 2.32 | 15 |
2.3-4.0 | 0.090-0.160 | 0.77 | 5 | 2 | 13 | |
3 | 2.3 -3.0 | 0.090-0.120 | 1.55 | 10 | 2.6 | 17 |
4.0-5.1 | 0.160-0.200 | 0.77 | 5 | 2.17 | 14 | |
1 | 5.1 | 0.200 -0.280 | 0.77 | 5 | 1. 86 | 12 |
6.1 – 8.9 | 0.280-0.350 | 0.77 | 5 | 1. 86 | 12 | |
Kuzimitsa zida m’mbali mwa mano① | 0.4-1.1 | 0.015 -0.045 | 2.32 | 15 | 3. 87 | 25 |
① mbiri ya dzino motsatira kuzimitsa, mu 3 – 10kHz akufuna kugwiritsa ntchito ma frequency apano a mphamvu zochepa.
Kuzama kolimba komweku kutha kupezedwa ndi kachulukidwe kamphamvu kosiyanasiyana komanso nthawi zosiyanasiyana zotenthetsera.
Kuchulukira kwamphamvu kwamphamvu komanso nthawi yayitali yotenthetsera ndizoyenera kutsika pafupipafupi; kutsika kwamphamvu kwamphamvu komanso nthawi yayitali yotentha ndi yoyenera ma frequency apamwamba. Yoyamba imatenthetsa pamwamba pa workpiece ndipo imapangitsa kutentha pang’ono kumalo apakati, ndipo kutentha kwabwino kumakhala kokwera; pamene kutentha kotsiriza kumawonjezeka, ndipo kutentha kwabwino kumakhala kochepa. Kutengera mphamvu yopulumutsa mphamvu komanso kuti gawo losinthika la gawo lowumitsidwa la workpiece lisakhale lakuda kwambiri, nthawi yotenthetsera pamtunda wowumitsidwa bwino sayenera kupitilira 10s, ndipo sayenera kupitilira 15s ngati italikirapo, kupatulapo zofunika zapadera.
Zida zambiri zamakina amakono owumitsa makina zili ndi zowunikira mphamvu kuti ziwongolere kuya kwakusanjikiza kowumitsidwa kwa chozimitsa chozimitsidwa mu kw · S. Choncho, malinga ndi chofunika kW · s mtengo, choyamba ikani kutentha nthawi s, ndiyeno ntchito (kW • s) / s kupeza zofunika kW mtengo kusankha chofunika kupatsidwa ulemu Kutentha ng’anjo magetsi oveteredwa mphamvu mphamvu (pa mphamvu). kuyang’anira kW · s, kW ake nthawi zambiri ndi oscillation mphamvu).