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資訊中心 >> 行業新聞 >> 正文 >> 不銹鋼法蘭設計時應注意五點是什么?

不銹鋼法蘭設計時應注意五點是什么?

2020-12-01 12:22

來源:中國不銹鋼買賣網

字號:T|T

不銹鋼法蘭設計時應注意五點是什么?客戶朋友們你們知道嗎?下面就由不銹鋼法蘭廠家的技術人員為大家講解一下，希望能對您有所幫助。

1.工裝(zhuang)設(she)計制造

不銹鋼法(fa)蘭(lan)由2塊(kuai)互成(cheng)(cheng)900的(de)(de)(de)裝夾底板(ban)，2塊(kuai)法(fa)蘭(lan)托(tuo)板(ban)和(he)2塊(kuai)立(li)(li)板(ban)及4塊(kuai)加強(qiang)筋板(ban)組焊而成(cheng)(cheng)。為保證(zheng)工(gong)裝的(de)(de)(de)剛度，相連(lian)板(ban)塊(kuai)焊縫應開坡口焊透，焊角高(gao)20—30mm。在法(fa)蘭(lan)托(tuo)板(ban)上鉆有相應的(de)(de)(de)螺栓(shuan)孔(kong)，保證(zheng)法(fa)蘭(lan)能(neng)與(yu)法(fa)蘭(lan)托(tuo)板(ban)用(yong)螺栓(shuan)準(zhun)確(que)連(lian)接，小端法(fa)蘭(lan)背(bei)面(mian)與(yu)托(tuo)板(ban)之間(jian)留有能(neng)放入(ru)小型(xing)手動(dong)千斤頂(ding)的(de)(de)(de)空隙，同時按順著(zhu)立(li)(li)板(ban)方向(xiang)在法(fa)蘭(lan)托(tuo)板(ban)上開出缺口，以(yi)便將彎頭(tou)裝入(ru)工(gong)裝之中，采用(yong)較厚鋼板(ban)制成(cheng)(cheng)近(jin)似(si)槽(cao)型(xing)結構(gou)的(de)(de)(de)工(gong)裝，能(neng)夠滿足(zu)切削(xue)時對剛性的(de)(de)(de)需求。

2.工裝性能要求

不銹鋼法(fa)(fa)(fa)蘭(lan)(lan)(lan)的(de)(de)2個(ge)法(fa)(fa)(fa)蘭(lan)(lan)(lan)面是(shi)相(xiang)互垂(chui)直的(de)(de)，而立(li)式(shi)車床(chuang)(chuang)的(de)(de)工(gong)(gong)(gong)(gong)(gong)作(zuo)臺(tai)(tai)是(shi)水平(ping)回轉(zhuan)的(de)(de)，所以(yi)該(gai)(gai)工(gong)(gong)(gong)(gong)(gong)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)的(de)(de)主要功能(neng)(neng)(neng)是(shi)利(li)用(yong)大端法(fa)(fa)(fa)蘭(lan)(lan)(lan)上的(de)(de)螺栓孔把(ba)工(gong)(gong)(gong)(gong)(gong)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)與法(fa)(fa)(fa)蘭(lan)(lan)(lan)連(lian)接在一起(qi)。工(gong)(gong)(gong)(gong)(gong)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)夾(jia)在工(gong)(gong)(gong)(gong)(gong)作(zuo)臺(tai)(tai)上時(shi)應(ying)保(bao)(bao)證(zheng)被加工(gong)(gong)(gong)(gong)(gong)的(de)(de)法(fa)(fa)(fa)蘭(lan)(lan)(lan)平(ping)面與立(li)式(shi)車床(chuang)(chuang)工(gong)(gong)(gong)(gong)(gong)作(zuo)臺(tai)(tai)同(tong)(tong)心并平(ping)行，為減(jian)少工(gong)(gong)(gong)(gong)(gong)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)數量(liang)(liang)，該(gai)(gai)工(gong)(gong)(gong)(gong)(gong)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)應(ying)能(neng)(neng)(neng)變換裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)夾(jia)位置，保(bao)(bao)證(zheng)在1個(ge)工(gong)(gong)(gong)(gong)(gong)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)上能(neng)(neng)(neng)加工(gong)(gong)(gong)(gong)(gong)彎頭2端大小(xiao)法(fa)(fa)(fa)蘭(lan)(lan)(lan)。同(tong)(tong)時(shi)該(gai)(gai)工(gong)(gong)(gong)(gong)(gong)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)必(bi)須具備(bei)足(zu)夠的(de)(de)剛(gang)度，否則將嚴重影響法(fa)(fa)(fa)蘭(lan)(lan)(lan)密封環槽的(de)(de)加工(gong)(gong)(gong)(gong)(gong)質量(liang)(liang)，所以(yi)在滿足(zu)使用(yong)情(qing)況下(xia)，應(ying)盡量(liang)(liang)降低工(gong)(gong)(gong)(gong)(gong)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)的(de)(de)高(gao)度，這樣(yang)能(neng)(neng)(neng)提(ti)高(gao)剛(gang)度便(bian)于操作(zuo)。該(gai)(gai)工(gong)(gong)(gong)(gong)(gong)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)與不銹鋼法(fa)(fa)(fa)蘭(lan)(lan)(lan)固定后回轉(zhuan)半徑(jing)不應(ying)超過立(li)車的(de)(de)工(gong)(gong)(gong)(gong)(gong)作(zuo)半徑(jing)，并能(neng)(neng)(neng)方(fang)便(bian)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)夾(jia)易于調整，方(fang)便(bian)進(jin)刀切削。

3.工(gong)裝剛度(du)校(xiao)驗

槽型結構懸臂梁受力模型車削(xue)時受力發生(sheng)彎曲和(he)(he)(he)扭轉，應校驗其撓度(du)和(he)(he)(he)轉角。通過以(yi)上校核，最大(da)撓度(du)7.27×lO-7m和(he)(he)(he)最大(da)轉角8.969×10-5都是極(ji)小的變形，并在相關(guan)部位又增加(jia)了加(jia)強筋等，剛度(du)遠超計算數值，剛度(du)完全能滿(man)足(zu)切削(xue)力的要求，該工裝與彎頭法蘭組合后最大(da)回轉直徑為(wei)2.42 m<3.50 m(雙柱(zhu)立車回轉直徑)，所(suo)以(yi)此工裝理論(lun)上可行。

4.車削(xue)加(jia)工

加(jia)工不(bu)銹鋼(gang)法蘭時(shi)，將底板(ban)向(xiang)(xiang)下(xia)調整裝夾(jia)于(yu)立(li)車工作臺上，彎頭(tou)法蘭裝人工裝之中，大端(duan)法蘭用(yong)螺(luo)栓(shuan)與(yu)托(tuo)(tuo)板(ban)固定，保(bao)(bao)證(zheng)法蘭加(jia)工面(mian)與(yu)立(li)車工作臺同心且平行(xing)才(cai)能進(jin)行(xing)切削(xue)。加(jia)工小(xiao)(xiao)端(duan)法蘭時(shi)將工裝底板(ban)向(xiang)(xiang)下(xia)，裝夾(jia)于(yu)立(li)車工作臺上，用(yong)6個手(shou)動(dong)小(xiao)(xiao)型千斤(jin)頂，將小(xiao)(xiao)端(duan)法蘭背面(mian)和(he)小(xiao)(xiao)托(tuo)(tuo)板(ban)之間頂緊(jin)后用(yong)螺(luo)栓(shuan)將小(xiao)(xiao)端(duan)法蘭與(yu)小(xiao)(xiao)托(tuo)(tuo)板(ban)固定，才(cai)能對(dui)小(xiao)(xiao)法蘭進(jin)行(xing)切削(xue)，在切削(xue)找正裝夾(jia)時(shi)應保(bao)(bao)證(zheng)大小(xiao)(xiao)法蘭的垂(chui)直度。

5.該不銹鋼法蘭(lan)工(gong)(gong)裝結構簡單合理，制(zhi)造(zao)方便、剛性好，加(jia)(jia)工(gong)(gong)時找正調整操(cao)作(zuo)方便，完全(quan)滿(man)足了大(da)型彎(wan)頭法蘭(lan)在立車上加(jia)(jia)工(gong)(gong)的需(xu)要加(jia)(jia)工(gong)(gong)出的3組彎(wan)頭法蘭(lan)全(quan)部合格，今(jin)后在沒有端面加(jia)(jia)工(gong)(gong)機床的條件下，用立式車床加(jia)(jia)工(gong)(gong)同類部件開辟(pi)了一(yi)條新的途(tu)徑。

編輯：丹丹

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