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?? 發布時間:2018-10-22 ?? 熱度:
鋁單板軋(ya)制(zhi)壓力(li)是(shi)鋁(lv)(lv)(lv)單(dan)(dan)(dan)板(ban)(ban)(ban)制(zhi)造工藝中十分重要(yao)(yao)(yao)的(de)(de)一(yi)個參數,鋁(lv)(lv)(lv)單(dan)(dan)(dan)板(ban)(ban)(ban)軋(ya)制(zhi)壓力(li)不(bu)僅影響(xiang)到鋁(lv)(lv)(lv)單(dan)(dan)(dan)板(ban)(ban)(ban)成品的(de)(de)形狀(zhuang),更重要(yao)(yao)(yao)的(de)(de)是(shi)會(hui)影響(xiang)到鋁(lv)(lv)(lv)單(dan)(dan)(dan)板(ban)(ban)(ban)成品的(de)(de)質量。壓力(li)不(bu)足則(ze)會(hui)導致(zhi)鋁(lv)(lv)(lv)單(dan)(dan)(dan)板(ban)(ban)(ban)無法成型或打(da)不(bu)到設計的(de)(de)外觀要(yao)(yao)(yao)求,壓力(li)過大(da)則(ze)會(hui)使鋁(lv)(lv)(lv)單(dan)(dan)(dan)板(ban)(ban)(ban)損壞,造成不(bu)必要(yao)(yao)(yao)的(de)(de)損失,因此鋁(lv)(lv)(lv)單(dan)(dan)(dan)板(ban)(ban)(ban)軋(ya)制(zhi)壓力(li)的(de)(de)確定(ding)十分重要(yao)(yao)(yao)。下面為(wei)大(da)家簡(jian)單(dan)(dan)(dan)介紹一(yi)下鋁(lv)(lv)(lv)單(dan)(dan)(dan)板(ban)(ban)(ban)軋(ya)制(zhi)壓力(li)的(de)(de)確定(ding)方法。
鋁單板軋(ya)制(zhi)壓力(li)的確定方法主要有以(yi)下(xia)兩(liang)種:
(1)實(shi)(shi)測法(fa)。總(zong)壓(ya)(ya)力(li)(li)(li)是(shi)通過(guo)放置在壓(ya)(ya)下(xia)螺絲(si)下(xia)的(de)(de)(de)測壓(ya)(ya)頭(tou)(壓(ya)(ya)力(li)(li)(li)傳(chuan)感器)將(jiang)鋁(lv)單(dan)板(ban)軋制過(guo)程的(de)(de)(de)壓(ya)(ya)力(li)(li)(li)信號(hao)轉換(huan)成電信號(hao),再通過(guo)放大和(he)記錄(lu)裝置顯示壓(ya)(ya)力(li)(li)(li)實(shi)(shi)測數據(ju)的(de)(de)(de)方法(fa)。鋁(lv)單(dan)板(ban)軋制壓(ya)(ya)力(li)(li)(li)測試常(chang)用壓(ya)(ya)力(li)(li)(li)傳(chuan)感器有電阻應變式測壓(ya)(ya)頭(tou)和(he)壓(ya)(ya)磁式測壓(ya)(ya)頭(tou)。沿接觸弧上的(de)(de)(de)單(dan)位壓(ya)(ya)力(li)(li)(li)測定(ding),則需(xu)將(jiang)針式壓(ya)(ya)力(li)(li)(li)傳(chuan)感器埋設在輥(gun)面內進行測定(ding)。
(2)理論(lun)計算法。它是根據鋁單(dan)板(ban)軋(ya)(ya)制(zhi)條件和塑性理論(lun)分析,推導出鋁單(dan)板(ban)軋(ya)(ya)制(zhi)壓力計算公式。
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