- 11
- Nov
O’rta chastotali induksion isitish pechini isitish uchun dumaloq po’lat barning qaysi diametri mos keladi?
O’rta chastotali induksion isitish pechini isitish uchun dumaloq po’lat barning qaysi diametri mos keladi?
O’rta chastotali induksion isitish pechkasi 20 yoki undan ortiq diametrli barlar uchun ishlatiladi: bar induksiya bilan qizdirilganda, isitish bar yuzasi bo’ylab amalga oshiriladi. Chastota qanchalik baland bo’lsa, isitish chuqurligi sayozroq va chastota qanchalik past bo’lsa, isitish chuqurligi qanchalik chuqurroq bo’ladi; masalan, super audio uskunasi bilan isitishda , Chastotani taxminan 50KHZ, barning isitish chuqurligi 2-3MM va barning yadrosi sirtdagi issiqlik o’tkazuvchanligi bilan isitilishi kerak; agar barning diametri katta bo’lsa, bar yadrosining harorati oshishi qiyin va sirtda katta harorat farqi mavjud; bu muammoni oraliq chastota bilan isitish orqali hal qilish mumkin. Oraliq chastotaning chastotasi 1KHZ-20KHZ ni tashkil qiladi va mos chastota qizdirilgan barning diametriga qarab tanlanadi, bu barning sirtdan yadrogacha teng ravishda isitilishini ta’minlashi mumkin;
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