- 28
- Oct
Kudzikamisa hunhu hwesimbi yakadzima mu induction kupisa choto
Kupisa hunhu hwesimbi yakadzima mukati induction kupisa chira
Chimiro chekukurumidza kupisa simbi yakaomeswa yakasiyana neyechinyakare yakaomeswa simbi, uye kudziya maitiro kunoratidza zvinotevera maitiro.
Iyo yekudziya kurapwa kweiyo induction yekupisa choto haikodzere yakaderera tembiricha kudzikisira kuwana tempered martensite chimiro. Kupisa kwechinyakare kunogona kuitwa pakupisa kwepamusoro (500 ~ 650 ° C), tembiricha yepakati (350 ~ 500 ° C) uye yakaderera tembiricha (150 ~ 250 ° C). C) Mhando nhatu dzekurapa kwekupisa. Iyo induction yekudziya vira inongokodzera tembiricha yepamusoro uye yepakati tembiricha tembiricha, haina kukodzera yakaderera tembiricha kudzikama. Izvi zvinodaro nekuti kana induction yekupisa choto ichiitwa pakupisa kwe150 ~ 250 ° C, zvakaoma kuona tembiricha yeyunifomu ye diathermy yesimbi. Nekuda kwekushisa kwakadzika tembiricha, diki tembiricha musiyano pakati pepamusoro nepakati, uye inononoka kupisa mwero wekutamisa, zvinotora nguva yakareba kuti diathermy ienzanise tembiricha, izvo zvinozotungamira mukudzikira kwekushanda kwekupisa. Naizvozvo, iyo yekudziya kurapwa kweiyo induction yekupisa choto haigone kuwana iyo tempered martensite chimiro, uye tembiricha yekudziya iri pamusoro peiyo poindi. Parizvino, tembiricha yekudziya yesimbi yekupisa yesimbi yechirimo waya inogona kusvika yakaderera kusvika 400°C.
Iyo induction yekupisa vira ine tembiricha yekupisa, dhigirii rakakura rekupisa, uye ipfupi yekubata nguva. Kuti ikurumidze kushandurwa kwechimiro uye kupfupisa nguva yekubata, uye kuona chinangwa chekudziya, tembiricha yekudziya ye induction yekupisa choto inokwira kupfuura tembiricha yekudziya yekudziya kwechinyakare. Tafura 4-23 inoratidza kuenzanisa kwemaitiro ekudziya kweiyo induction yekupisa choto kuwedzera tembiricha yekudziya uye kupfupisa nguva yekubata uye yechinyakare yekudziya uye kupisa maitiro. Iyo data iri muTable 4-23 inoratidza kuti kuti uwane yakafanana 35CrM. Kuomarara kwesimbi, tembiricha yekudziya yekudziya induction yakakwira zvakada kufanana nekupisa kwechinyakare uye tembiricha yekudziya ne190 ~ 250 ° C. Kuwedzera tembiricha yekupisa mukutsinhana nekupfupisa nguva yekubata, yakapfupikiswa kubva kuma1800 kusvika ku40s. Izvi zvinoratidza maitiro ekukurumidza kupisa kurapwa mu induction heat furnaces. Chikonzero nei kupisa kweiyo induction yekupisa choto kuchigona kuchinjwa netembiricha imhaka yekuti tembiricha ndiyo inonyanya kufambisa simba kusimudzira shanduko yechimiro. Kuwedzera kutonhora kunogona kukurumidza kuchinja kwechimiro, iyo inonyanya kushanda pane kuwedzera nguva yekubata. Chimwe chikonzero ndechekuti kugadzikana kweiyo martensite chimiro cheiyo induction inopisa choto chakadzimwa simbi yakashata kupfuura iyo yechinyakare yakadzimwa martensite chimiro, uye zviri nyore kushandura.
Tafura 4-23 Hukama huri pakati pekuoma uye kupisa tembiricha ye35CrMo simbi yakadzimwa uye yakadzikama.
Nzira yekudziya | Kudzima tembiricha/°C | Nguva yekupisa insulation
/s |
Kupisa tembiricha ℃ | ||
Kupisa kuoma (HRC) | |||||
40 〜45 | 35 〜40 | 30 〜35 | |||
Induction kupisa choto | 900 | 40 | 650 ℃ | 700 ℃ | 750 ℃ |
Kupisa kwakajairika | 850 | 1800 | 400 ℃ | 480 ° C | 560 ℃ |
( 3) Kugadzikana kwechimiro chekupisa cheiyo induction yekupisa choto chakashata. Nekuti iyo induction yekudziya yevira inoshandisa yakakwira-tembiricha yekudziya nzira isina kuchengetedza kupisa, shanduko yechimiro haina kukwana, saka kugadzikana kwayo hakuna kunaka. Iyi nzira yekupisa haigone kushandiswa kune simbi dzinoda kushanda kwenguva refu pakupisa kwakanyanya, senge yakaderera-alloy simbi yemagetsi chiteshi boilers.