文章分類(lei):新聞中心(xin) 責任(ren)編輯:豪(hao)盈模具(ju) 閱讀量:5523 發(fa)表時間:2021-02-25 09:44
感應淬火的工藝調試(shi):
(1)檢查 所選用的加熱電(dian)源及淬(cui)火(huo)機(ji)床完好(hao),運行正(zheng)常(chang)。
(2)安(an)裝(zhuang) 裝(zhuang)好(hao)定位夾(jia)具或頂尖、感應器、裝(zhuang)好(hao)工件及淬(cui)火管路。
(3)啟動(dong)設(she)備(bei)(bei)(bei)試(shi)參(can)數 具(ju)體(ti)為(wei)1供水:啟動(dong)設(she)備(bei)(bei)(bei)冷卻(que)泵、淬(cui)(cui)(cui)火(huo)(huo)泵并查看管路流量(liang)、調(diao)整壓力。2調(diao)諧(xie):連接適當的(de)淬(cui)(cui)(cui)火(huo)(huo)變壓器匝比(bi)及(ji)(ji)電(dian)(dian)(dian)(dian)(dian)容(rong)量(liang),使(shi)電(dian)(dian)(dian)(dian)(dian)源振蕩起來,為(wei)輸出(chu)(chu)淬(cui)(cui)(cui)火(huo)(huo)功(gong)率(lv)做準(zhun)備(bei)(bei)(bei)。3調(diao)頻(pin):電(dian)(dian)(dian)(dian)(dian)源起振后(hou),進一(yi)步調(diao)節(jie)匝比(bi)及(ji)(ji)電(dian)(dian)(dian)(dian)(dian)容(rong)量(liang)使(shi)之輸出(chu)(chu)的(de)淬(cui)(cui)(cui)火(huo)(huo)電(dian)(dian)(dian)(dian)(dian)流頻(pin)率(lv),并注意電(dian)(dian)(dian)(dian)(dian)壓與電(dian)(dian)(dian)(dian)(dian)流的(de)比(bi)例(li)。4調(diao)功(gong):升高電(dian)(dian)(dian)(dian)(dian)壓。調(diao)出(chu)(chu)工件 淬(cui)(cui)(cui)火(huo)(huo)時(shi)(shi)所需要(yao)(yao)的(de)加熱(re)功(gong)率(lv)。5調(diao)加熱(re)溫(wen)(wen)度:調(diao)整加熱(re)時(shi)(shi)間、導磁體(ti)分布、感應器與加熱(re)部(bu)位的(de)間隙(或移動(dong)速度),確定(ding)淬(cui)(cui)(cui)火(huo)(huo)加熱(re)溫(wen)(wen)度。6調(diao)回(hui)(hui)火(huo)(huo)溫(wen)(wen)度:調(diao)整冷卻(que)時(shi)(shi)間,確定(ding)自(zi)(zi)回(hui)(hui)火(huo)(huo)溫(wen)(wen)度。(選自(zi)(zi)回(hui)(hui)火(huo)(huo)時(shi)(shi)使(shi)用(yong)(yong),即(ji)使(shi)不采用(yong)(yong)自(zi)(zi)回(hui)(hui)火(huo)(huo),仍(reng)然要(yao)(yao)留一(yi)定(ding)余溫(wen)(wen),防止零件開裂)。7試(shi)淬(cui)(cui)(cui)及(ji)(ji)質量(liang)檢(jian)(jian)驗:淬(cui)(cui)(cui)火(huo)(huo)參(can)數確定(ding)后(hou)進行試(shi)淬(cui)(cui)(cui),淬(cui)(cui)(cui)火(huo)(huo)后(hou)的(de)樣件按規定(ding)的(de)方(fang)法進行表面(mian)目(mu)檢(jian)(jian)。檢(jian)(jian)測結(jie)果要(yao)(yao)及(ji)(ji)時(shi)(shi)進行記(ji)(ji)錄。8記(ji)(ji)錄試(shi)淬(cui)(cui)(cui)參(can)數:試(shi)淬(cui)(cui)(cui)后(hou)及(ji)(ji)時(shi)(shi)填寫(xie)感應淬(cui)(cui)(cui)火(huo)(huo)及(ji)(ji)回(hui)(hui)火(huo)(huo)工藝(yi)參(can)數記(ji)(ji)錄表,以(yi)備(bei)(bei)(bei)后(hou)用(yong)(yong)。9送檢(jian)(jian):自(zi)(zi)檢(jian)(jian)合格后(hou) 的(de)樣件送金(jin)相室(shi)進一(yi)步做表面(mian)質量(liang)檢(jian)(jian)驗,并出(chu)(chu)具(ju)檢(jian)(jian)驗報告。
感應淬火工藝調(diao)試(shi)注意事(shi)項:
(1)調試前功率調節到最小。
(2)調試時,工件(jian)(jian)應在冷卻(que)條件(jian)(jian)下(xia)加熱且加熱時間不宜過長。
(3)感(gan)應淬火加熱溫(wen)度(du)同比材料爐中加熱溫(wen)度(du)高50-100℃。
(4)需(xu)要用(yong)爐子回(hui)火(huo)的工(gong)件:1)合金鋼(gang)經濟形狀復(fu)雜的工(gong)件2-3h應(ying)及(ji)時回(hui)火(huo)。2)碳鋼(gang)及(ji)形狀簡單的工(gong)件4h內應(ying)及(ji)時回(hui)火(huo)。
(5)淬火(huo)工件(jian)離開(kai)冷卻條件(jian)后(hou)應留(liu)余溫:1)形狀復雜(za)、合金鋼件(jian)應有200℃左右余溫。2)小件(jian)留(liu)有120℃的余溫。3)大件(jian)留(liu)有150℃的余溫。
