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2022 - 05 - 02
點擊(ji)次數: 10023
1、45——優質(zhi)碳素結(jie)(jie)構(gou)(gou)鋼(gang)(gang)(gang),是(shi)最常(chang)用(yong)(yong)(yong)中(zhong)碳調質(zhi)鋼(gang)(gang)(gang)主(zhu)(zhu)要(yao)特征: 最常(chang)用(yong)(yong)(yong)中(zhong)碳調質(zhi)鋼(gang)(gang)(gang),綜合(he)力(li)學(xue)性(xing)(xing)(xing)(xing)(xing)能(neng)良(liang)(liang)好(hao)(hao),淬(cui)透(tou)(tou)(tou)性(xing)(xing)(xing)(xing)(xing)低,水(shui)淬(cui)時易(yi)生(sheng)裂(lie)紋。小型件(jian)宜(yi)采(cai)用(yong)(yong)(yong)調質(zhi)處理(li),大型件(jian)宜(yi)采(cai)用(yong)(yong)(yong)正火處理(li)。應用(yong)(yong)(yong)舉(ju)例: 主(zhu)(zhu)要(yao)用(yong)(yong)(yong)于制造強(qiang)度高(gao)的(de)(de)(de)運(yun)動件(jian),如透(tou)(tou)(tou)平機(ji)葉輪、壓縮機(ji)活塞。軸、齒(chi)輪、齒(chi)條、蝸桿等。焊(han)(han)接件(jian)注(zhu)意焊(han)(han)前預熱,焊(han)(han)后消(xiao)除應力(li)退(tui)火。2、Q235A(A3鋼(gang)(gang)(gang))——最常(chang)用(yong)(yong)(yong)的(de)(de)(de)碳素結(jie)(jie)構(gou)(gou)鋼(gang)(gang)(gang)主(zhu)(zhu)要(yao)特征: 具有高(gao)的(de)(de)(de)塑性(xing)(xing)(xing)(xing)(xing)、韌性(xing)(xing)(xing)(xing)(xing)和焊(han)(han)接性(xing)(xing)(xing)(xing)(xing)能(neng)、冷(leng)沖壓性(xing)(xing)(xing)(xing)(xing)能(neng),以及一定的(de)(de)(de)強(qiang)度、好(hao)(hao)的(de)(de)(de)冷(leng)彎性(xing)(xing)(xing)(xing)(xing)能(neng)。應用(yong)(yong)(yong)舉(ju)例: 廣泛用(yong)(yong)(yong)于一般要(yao)求的(de)(de)(de)零件(jian)和焊(han)(han)接結(jie)(jie)構(gou)(gou)。如受力(li)不大的(de)(de)(de)拉桿、連桿、銷、軸、螺(luo)釘、螺(luo)母(mu)、套圈、支(zhi)架、機(ji)座(zuo)、建筑結(jie)(jie)構(gou)(gou)、橋梁等。3、40Cr——使(shi)用(yong)(yong)(yong)最廣泛的(de)(de)(de)鋼(gang)(gang)(gang)種之一,屬合(he)金結(jie)(jie)構(gou)(gou)鋼(gang)(gang)(gang)主(zhu)(zhu)要(yao)特征: 經調質(zhi)處理(li)后,具有良(liang)(liang)好(hao)(hao)的(de)(de)(de)綜合(he)力(li)學(xue)性(xing)(xing)(xing)(xing)(xing)能(neng)、低溫沖擊韌度及低的(de)(de)(de)缺口(kou)敏感(gan)性(xing)(xing)(xing)(xing)(xing),淬(cui)透(tou)(tou)(tou)性(xing)(xing)(xing)(xing)(xing)良(liang)(liang)好(hao)(hao),油冷(leng)時可得到較高(gao)的(de)(de)(de)疲勞強(qiang)度,水(shui)冷(leng)時復(fu)雜形狀的(de)(de)(de)零件(jian)易(yi)產生(sheng)裂(lie)紋,冷(leng)彎塑性(xing)(xing)(xing)(xing)(xing)中(zhong)等,回火或調質(zhi)后切削加工性(xing)(xing)(xing)(xing)(xing)好(hao)(hao),但焊(han)(han)接性(xing)(xing)(xing)(xing)(xing)不...
2022 - 04 - 28
點(dian)擊次數: 10023
模(mo)(mo)(mo)(mo)具(ju)的(de)(de)(de)(de)使(shi)(shi)用(yong)(yong)壽(shou)命(ming)制約著(zhu)精(jing)(jing)(jing)沖(chong)技術的(de)(de)(de)(de)應用(yong)(yong)與(yu)發展的(de)(de)(de)(de)瓶頸,因此對(dui)于模(mo)(mo)(mo)(mo)具(ju)的(de)(de)(de)(de)使(shi)(shi)用(yong)(yong)壽(shou)命(ming)我們一定要關注起(qi)來,下(xia)面小(xiao)(xiao)編給大家(jia)提(ti)供影(ying)響模(mo)(mo)(mo)(mo)具(ju)使(shi)(shi)用(yong)(yong)壽(shou)命(ming)的(de)(de)(de)(de)因素(su)有(you)哪些,并告訴(su)大家(jia)提(ti)高模(mo)(mo)(mo)(mo)具(ju)使(shi)(shi)用(yong)(yong)壽(shou)命(ming)有(you)哪些途徑。影(ying)響模(mo)(mo)(mo)(mo)具(ju)使(shi)(shi)用(yong)(yong)壽(shou)命(ming)因素(su)1、精(jing)(jing)(jing)沖(chong)件(jian)的(de)(de)(de)(de)結(jie)構(gou)(gou)工(gong)藝性(xing)(尖(jian)角、薄壁、懸壁、尺(chi)寸公差(cha)等)。2、精(jing)(jing)(jing)沖(chong)件(jian)的(de)(de)(de)(de)材料(liao)(材質、料(liao)厚、硬度(du)(du)、塑性(xing)、表面質量)。3、精(jing)(jing)(jing)沖(chong)模(mo)(mo)(mo)(mo)具(ju)的(de)(de)(de)(de)結(jie)構(gou)(gou)(強(qiang)度(du)(du)、剛(gang)度(du)(du)、模(mo)(mo)(mo)(mo)具(ju)導向(xiang)、小(xiao)(xiao)凸(tu)模(mo)(mo)(mo)(mo)的(de)(de)(de)(de)導向(xiang)、排氣和潤滑)。4、模(mo)(mo)(mo)(mo)具(ju)材料(liao)(材質、碳化(hua)物大小(xiao)(xiao)和均勻性(xing)、硬度(du)(du)、韌性(xing))。5、模(mo)(mo)(mo)(mo)具(ju)制造(模(mo)(mo)(mo)(mo)坯鍛造、加工(gong)工(gong)藝、熱處(chu)理(li)、線切割、研(yan)磨(mo)、裝配)。6、生產操(cao)作(調(diao)模(mo)(mo)(mo)(mo)高度(du)(du)、壓力、速度(du)(du)、送料(liao)精(jing)(jing)(jing)度(du)(du)、坯料(liao)清潔、潤滑)。7、模(mo)(mo)(mo)(mo)具(ju)維修(合(he)理(li)存放、合(he)理(li)刃磨(mo)、清潔、應力回火、防銹)。提(ti)高模(mo)(mo)(mo)(mo)具(ju)使(shi)(shi)用(yong)(yong)壽(shou)命(ming)途徑1、審(shen)查精(jing)(jing)(jing)沖(chong)件(jian)的(de)(de)(de)(de)工(gong)藝性(xing)。精(jing)(jing)(jing)沖(chong)件(jian)的(de)(de)(de)(de)工(gong)藝性(xing)(特別是圓(yuan)角半徑)對(dui)精(jing)(jing)(jing)沖(chong)模(mo)(mo)(mo)(mo)的(de)(de)(de)(de)壽(shou)命(ming)有(you)一定影(ying)響,對(dui)于工(gong)藝性(xing)較差(cha)的(de)(de)(de)(de)(尤其尖(jian)角),應向(xiang)設計部門(men)提(ti)出改善建議。圖1為(wei)零件(jian)的(de)(de)(de)(de)圓(yuan)角半徑與(yu)模(mo)(mo)(mo)(mo)具(ju)...
2022 - 04 - 04
點擊次數: 8102
影響鍛(duan)(duan)(duan)(duan)(duan)件(jian)(jian)成(cheng)(cheng)本(ben)的(de)(de)(de)因(yin)素主(zhu)(zhu)要有鍛(duan)(duan)(duan)(duan)(duan)件(jian)(jian)原材(cai)(cai)料、能(neng)源、人(ren)工、模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)、設備折舊(jiu)等費用(yong)(yong),對于中小型(xing)熱鍛(duan)(duan)(duan)(duan)(duan)件(jian)(jian),模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)成(cheng)(cheng)本(ben)占鍛(duan)(duan)(duan)(duan)(duan)件(jian)(jian)總成(cheng)(cheng)本(ben)的(de)(de)(de)3%~8%。因(yin)此,控制模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)成(cheng)(cheng)本(ben)是降低(di)(di)鍛(duan)(duan)(duan)(duan)(duan)件(jian)(jian)成(cheng)(cheng)本(ben)的(de)(de)(de)一項有效措施。本(ben)文(wen)以(yi)某型(xing)鏈軌(gui)節為(wei)例,闡述了模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)全壽(shou)命(ming)(ming)周期(qi)(qi)各(ge)階段應考(kao)量的(de)(de)(de)綜(zong)合(he)管控措施,使模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)費用(yong)(yong)和(he)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)壽(shou)命(ming)(ming)達到合(he)理匹配(pei),從而實現降低(di)(di)單(dan)位鍛(duan)(duan)(duan)(duan)(duan)件(jian)(jian)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)成(cheng)(cheng)本(ben)的(de)(de)(de)目的(de)(de)(de)。單(dan)位鍛(duan)(duan)(duan)(duan)(duan)件(jian)(jian)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)成(cheng)(cheng)本(ben)生產經(jing)營中,企業通常(chang)關注模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)全壽(shou)命(ming)(ming)周期(qi)(qi)內(nei)(nei)所生產的(de)(de)(de)合(he)格鍛(duan)(duan)(duan)(duan)(duan)件(jian)(jian)之和(he)與因(yin)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)而發(fa)生的(de)(de)(de)所有費用(yong)(yong)的(de)(de)(de)比值(zhi),其中,模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)全壽(shou)命(ming)(ming)周期(qi)(qi)內(nei)(nei)所生產的(de)(de)(de)合(he)格鍛(duan)(duan)(duan)(duan)(duan)件(jian)(jian)之和(he)是指自模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)投產開始,到模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)主(zhu)(zhu)體無修復價值(zhi)為(wei)止(zhi),所有班次所鍛(duan)(duan)(duan)(duan)(duan)鍛(duan)(duan)(duan)(duan)(duan)件(jian)(jian)的(de)(de)(de)總和(he)(應減掉因(yin)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)失效而造成(cheng)(cheng)不(bu)合(he)格品的(de)(de)(de)數(shu)量);模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)全壽(shou)命(ming)(ming)周期(qi)(qi)內(nei)(nei)因(yin)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)而發(fa)生的(de)(de)(de)所有費用(yong)(yong)包(bao)括初次投入、每次修復、更換配(pei)件(jian)(jian)和(he)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)保(bao)養發(fa)生的(de)(de)(de)費用(yong)(yong)。模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)費用(yong)(yong)包(bao)括主(zhu)(zhu)材(cai)(cai)(模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)鋼(gang))、輔(fu)助材(cai)(cai)料和(he)配(pei)件(jian)(jian),如焊材(cai)(cai)、石墨塊、線切割用(yong)(yong)鉬絲、工作(zuo)液、拋光料、各(ge)種配(pei)件(jian)(jian)等;能(neng)源包(bao)括電、燃料、壓縮空氣;刀具(ju)(ju)(ju)包(bao)括...
1、45——優質(zhi)(zhi)(zhi)(zhi)碳(tan)素結構(gou)鋼(gang)(gang),是最常(chang)用(yong)中(zhong)碳(tan)調(diao)(diao)質(zhi)(zhi)(zhi)(zhi)鋼(gang)(gang)主(zhu)要(yao)(yao)特征: 最常(chang)用(yong)中(zhong)碳(tan)調(diao)(diao)質(zhi)(zhi)(zhi)(zhi)鋼(gang)(gang),綜合力(li)學(xue)性(xing)(xing)(xing)能(neng)良好,淬(cui)(cui)透(tou)(tou)性(xing)(xing)(xing)低,水淬(cui)(cui)時易生(sheng)裂紋(wen)。小型(xing)件(jian)宜采(cai)用(yong)調(diao)(diao)質(zhi)(zhi)(zhi)(zhi)處(chu)理(li)(li),大型(xing)件(jian)宜采(cai)用(yong)正(zheng)火(huo)處(chu)理(li)(li)。應(ying)(ying)用(yong)舉例: 主(zhu)要(yao)(yao)用(yong)于(yu)制(zhi)造(zao)強(qiang)度高(gao)的(de)(de)運動件(jian),如(ru)透(tou)(tou)平機(ji)葉(xie)輪、壓(ya)縮機(ji)活(huo)塞。軸(zhou)、齒(chi)(chi)輪、齒(chi)(chi)條、蝸桿(gan)(gan)等(deng)。焊接件(jian)注意焊前預熱(re),焊后(hou)(hou)消除應(ying)(ying)力(li)退(tui)火(huo)。2、Q235A(A3鋼(gang)(gang))——最常(chang)用(yong)的(de)(de)碳(tan)素結構(gou)鋼(gang)(gang)主(zhu)要(yao)(yao)特征: 具(ju)有(you)高(gao)的(de)(de)塑性(xing)(xing)(xing)、韌性(xing)(xing)(xing)和(he)(he)焊接性(xing)(xing)(xing)能(neng)、冷沖壓(ya)性(xing)(xing)(xing)能(neng),以及一(yi)定的(de)(de)強(qiang)度、好的(de)(de)冷彎性(xing)(xing)(xing)能(neng)。應(ying)(ying)用(yong)舉例: 廣泛用(yong)于(yu)一(yi)般要(yao)(yao)求(qiu)的(de)(de)零(ling)(ling)件(jian)和(he)(he)焊接結構(gou)。如(ru)受力(li)不(bu)大的(de)(de)拉桿(gan)(gan)、連(lian)桿(gan)(gan)、銷、軸(zhou)、螺(luo)釘、螺(luo)母、套(tao)圈、支架、機(ji)座(zuo)、建筑結構(gou)、橋梁等(deng)。3、40Cr——使(shi)用(yong)最廣泛的(de)(de)鋼(gang)(gang)種(zhong)之一(yi),屬合金結構(gou)鋼(gang)(gang)主(zhu)要(yao)(yao)特征: 經(jing)調(diao)(diao)質(zhi)(zhi)(zhi)(zhi)處(chu)理(li)(li)后(hou)(hou),具(ju)有(you)良好的(de)(de)綜合力(li)學(xue)性(xing)(xing)(xing)能(neng)、低溫沖擊韌度及低的(de)(de)缺口敏(min)感性(xing)(xing)(xing),淬(cui)(cui)透(tou)(tou)性(xing)(xing)(xing)良好,油冷時可得到較高(gao)的(de)(de)疲勞強(qiang)度,水冷時復雜形(xing)狀的(de)(de)零(ling)(ling)件(jian)易產(chan)生(sheng)裂紋(wen),冷彎塑性(xing)(xing)(xing)中(zhong)等(deng),回火(huo)或(huo)調(diao)(diao)質(zhi)(zhi)(zhi)(zhi)后(hou)(hou)切削加工(gong)性(xing)(xing)(xing)好,但焊接性(xing)(xing)(xing)不(bu)好,易產(chan)生(sheng)裂紋(wen),焊前應(ying)(ying)預熱(re)到100~150℃,一(yi)般在(zai)調(diao)(diao)質(zhi)(zhi)(zhi)(zhi)狀態下使(shi)用(yong),還可以進行碳(tan)氮共滲和(he)(he)高(gao)頻(pin)表面淬(cui)(cui)火(huo)處(chu)理(li)(li)。應(ying)(ying)用(yong)舉例:調(diao)(diao)質(zhi)(zhi)(zhi)(zhi)處(chu)理(li)(li)后(hou)(hou)用(yong)于(yu)制(zhi)造(zao)中(zhong) 速(su)、中(zhong)載的(de)(de)零(ling)(ling)件(jian),如(ru)機(ji)床齒(chi)(chi)輪、軸(zhou)、蝸桿(gan)(gan)、花鍵(jian)軸(zhou)、頂針套(tao)等(deng),調(diao)(diao)質(zhi)(zhi)(zhi)(zhi)并高(gao)頻(pin)表面淬(cui)(cui)火(huo)后(hou)(hou)用(yong)于(yu)制(zhi)造(zao)表面高(gao)硬度、耐磨的(de)(de)零(ling)(ling)件(jian),如(ru)齒(chi)(chi)輪、軸(zhou)、主(zhu)軸(zhou)、曲軸(zhou)、心(xin)軸(zhou)、套(tao)筒、銷子、連(lian)桿(gan)(gan)、螺(luo)釘螺(luo)母、進氣閥等(deng),經(jing)淬(cui)(cui)火(huo)及中(zhong)溫回火(huo)后(hou)(hou)用(yong)于(yu)制(zhi)造(zao)重載、中(zhong)速(su)沖擊的(de)(de)零(ling)(ling)件(jian),如(ru)油泵轉子、滑(hua)塊、齒(chi)(chi)輪、主(zhu)軸(zhou)、套(tao)環等(deng),...
發(fa)布時間: 2022 - 05 - 02
瀏覽次(ci)數:10023
模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)的(de)(de)(de)使(shi)用(yong)(yong)壽命(ming)(ming)制(zhi)約著(zhu)精沖(chong)(chong)技術的(de)(de)(de)應用(yong)(yong)與發(fa)展的(de)(de)(de)瓶(ping)頸,因(yin)此對(dui)于模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)的(de)(de)(de)使(shi)用(yong)(yong)壽命(ming)(ming)我(wo)們一(yi)定要關(guan)注起來,下面小編給大家(jia)提供影(ying)(ying)響(xiang)(xiang)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)使(shi)用(yong)(yong)壽命(ming)(ming)的(de)(de)(de)因(yin)素(su)有(you)哪些,并告訴大家(jia)提高(gao)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)使(shi)用(yong)(yong)壽命(ming)(ming)有(you)哪些途(tu)徑。影(ying)(ying)響(xiang)(xiang)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)使(shi)用(yong)(yong)壽命(ming)(ming)因(yin)素(su)1、精沖(chong)(chong)件(jian)的(de)(de)(de)結(jie)構工(gong)藝(yi)(yi)(yi)性(xing)(尖(jian)角(jiao)(jiao)、薄(bo)壁(bi)、懸壁(bi)、尺寸(cun)公(gong)差(cha)等)。2、精沖(chong)(chong)件(jian)的(de)(de)(de)材(cai)料(材(cai)質、料厚(hou)、硬度(du)(du)(du)、塑性(xing)、表面質量)。3、精沖(chong)(chong)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)的(de)(de)(de)結(jie)構(強(qiang)度(du)(du)(du)、剛度(du)(du)(du)、模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)導(dao)向(xiang)、小凸(tu)模(mo)(mo)(mo)(mo)的(de)(de)(de)導(dao)向(xiang)、排氣(qi)和(he)(he)潤滑(hua))。4、模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)材(cai)料(材(cai)質、碳(tan)化物大小和(he)(he)均勻性(xing)、硬度(du)(du)(du)、韌性(xing))。5、模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)制(zhi)造(模(mo)(mo)(mo)(mo)坯鍛(duan)造、加(jia)工(gong)工(gong)藝(yi)(yi)(yi)、熱(re)處(chu)理(li)、線(xian)切割、研(yan)磨(mo)(mo)、裝(zhuang)配(pei))。6、生(sheng)產操作(調(diao)模(mo)(mo)(mo)(mo)高(gao)度(du)(du)(du)、壓(ya)力(li)、速度(du)(du)(du)、送料精度(du)(du)(du)、坯料清(qing)潔、潤滑(hua))。7、模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)維(wei)修(合理(li)存放、合理(li)刃(ren)磨(mo)(mo)、清(qing)潔、應力(li)回火、防(fang)銹)。提高(gao)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)使(shi)用(yong)(yong)壽命(ming)(ming)途(tu)徑1、審查精沖(chong)(chong)件(jian)的(de)(de)(de)工(gong)藝(yi)(yi)(yi)性(xing)。精沖(chong)(chong)件(jian)的(de)(de)(de)工(gong)藝(yi)(yi)(yi)性(xing)(特別是圓角(jiao)(jiao)半(ban)(ban)徑)對(dui)精沖(chong)(chong)模(mo)(mo)(mo)(mo)的(de)(de)(de)壽命(ming)(ming)有(you)一(yi)定影(ying)(ying)響(xiang)(xiang),對(dui)于工(gong)藝(yi)(yi)(yi)性(xing)較差(cha)的(de)(de)(de)(尤其尖(jian)角(jiao)(jiao)),應向(xiang)設計部門提出改善建議。圖1為零(ling)(ling)件(jian)的(de)(de)(de)圓角(jiao)(jiao)半(ban)(ban)徑與模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)壽命(ming)(ming)的(de)(de)(de)關(guan)系,一(yi)般R/t≥0.8較好,如(ru)小于0.25則會(hui)導(dao)致模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)壽命(ming)(ming)較低。2、精沖(chong)(chong)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)的(de)(de)(de)材(cai)料選擇(ze)和(he)(he)熱(re)處(chu)理(li)。精沖(chong)(chong)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)(ju)主要工(gong)作零(ling)(ling)件(jian)的(de)(de)(de)材(cai)料一(yi)般選Cr12MoV,當制(zhi)件(jian)厚(hou)度(du)(du)(du)大于4mm時,凸(tu)、凹模(mo)(mo)(mo)(mo)可采用(yong)(yong)W6Mo5Cr4V2高(gao)速鋼。對(dui)于工(gong)作強(qiang)度(du)(du)(du)很大、受力(li)苛刻(ke)的(de)(de)(de)凸(tu)模(mo)(mo)(mo)(mo)和(he)(he)凹模(mo)(mo)(mo)(mo),則采用(yong)(yong)粉(fen)末冶(ye)金鋼(V4、ASP23、ASP30)或硬質合金GT30。凸(tu)、凹模(mo)(mo)(mo)(mo)熱(re)處(chu)理(li)的(de)(de)(de)硬度(du)(du)(du)一(yi)般取(qu)58~62HRC,對(dui)于以磨(mo)(mo)損為主要失效形式的(de)(de)(de)、形...
發布(bu)時間: 2022 - 04 - 28
瀏覽次數(shu):10023
影響鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)(jian)(jian)成(cheng)(cheng)本(ben)的(de)(de)(de)(de)(de)因素主要有(you)(you)(you)鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)(jian)(jian)原材(cai)料(liao)、能源、人(ren)工、模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)、設備折舊等(deng)費(fei)(fei)用(yong)(yong)(yong)(yong)(yong),對于中(zhong)小型熱鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)(jian)(jian),模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)成(cheng)(cheng)本(ben)占(zhan)鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)(jian)(jian)總(zong)成(cheng)(cheng)本(ben)的(de)(de)(de)(de)(de)3%~8%。因此,控制(zhi)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)成(cheng)(cheng)本(ben)是降低鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)(jian)(jian)成(cheng)(cheng)本(ben)的(de)(de)(de)(de)(de)一項有(you)(you)(you)效(xiao)措施(shi)。本(ben)文以(yi)某型鏈(lian)軌(gui)節(jie)為(wei)例,闡述(shu)了(le)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)全壽(shou)命(ming)周期(qi)(qi)(qi)各階段應考量的(de)(de)(de)(de)(de)綜合管控措施(shi),使(shi)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)和模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)壽(shou)命(ming)達到合理(li)匹配(pei),從而(er)實現(xian)降低單(dan)(dan)位鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)(jian)(jian)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)成(cheng)(cheng)本(ben)的(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)。單(dan)(dan)位鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)(jian)(jian)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)成(cheng)(cheng)本(ben)生(sheng)(sheng)產(chan)經營中(zhong),企業通常關注模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)全壽(shou)命(ming)周期(qi)(qi)(qi)內(nei)所生(sheng)(sheng)產(chan)的(de)(de)(de)(de)(de)合格(ge)(ge)鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)(jian)(jian)之和與因模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)而(er)發生(sheng)(sheng)的(de)(de)(de)(de)(de)所有(you)(you)(you)費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)比(bi)值,其(qi)中(zhong),模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)全壽(shou)命(ming)周期(qi)(qi)(qi)內(nei)所生(sheng)(sheng)產(chan)的(de)(de)(de)(de)(de)合格(ge)(ge)鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)(jian)(jian)之和是指(zhi)自模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)投(tou)產(chan)開始,到模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)主體(ti)無修復價值為(wei)止,所有(you)(you)(you)班次(ci)所鍛(duan)(duan)(duan)鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)總(zong)和(應減掉(diao)因模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)失效(xiao)而(er)造(zao)成(cheng)(cheng)不合格(ge)(ge)品(pin)的(de)(de)(de)(de)(de)數量);模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)全壽(shou)命(ming)周期(qi)(qi)(qi)內(nei)因模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)而(er)發生(sheng)(sheng)的(de)(de)(de)(de)(de)所有(you)(you)(you)費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)包(bao)括初次(ci)投(tou)入、每次(ci)修復、更換(huan)配(pei)件(jian)(jian)(jian)(jian)(jian)(jian)和模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)保養發生(sheng)(sheng)的(de)(de)(de)(de)(de)費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)。模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)包(bao)括主材(cai)(模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)鋼(gang))、輔助材(cai)料(liao)和配(pei)件(jian)(jian)(jian)(jian)(jian)(jian),如(ru)焊材(cai)、石墨(mo)塊(kuai)、線(xian)切割用(yong)(yong)(yong)(yong)(yong)鉬絲(si)、工作液(ye)、拋(pao)光料(liao)、各種配(pei)件(jian)(jian)(jian)(jian)(jian)(jian)等(deng);能源包(bao)括電、燃料(liao)、壓縮(suo)空氣(qi);刀具(ju)(ju)(ju)包(bao)括銑刀、車(che)刀、鉆頭、絲(si)攻(gong);折舊或(huo)分(fen)攤包(bao)括設備、工裝(zhuang)、工具(ju)(ju)(ju)、設施(shi)的(de)(de)(de)(de)(de)折舊或(huo)分(fen)攤等(deng);其(qi)他費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)包(bao)括人(ren)工成(cheng)(cheng)本(ben)、檢測費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)、管理(li)費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)、設計(試驗(yan))費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)、外部協作費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)等(deng)。此外,模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)應減掉(diao)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)再利(li)用(yong)(yong)(yong)(yong)(yong)及廢料(liao)回(hui)收的(de)(de)(de)(de)(de)殘值,特別是對于錘鍛(duan)(duan)(duan)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)等(deng)較大模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju),其(qi)殘值在成(cheng)(cheng)本(ben)核算時,應重點考慮費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)分(fen)攤,如(ru)果把(ba)所有(you)(you)(you)費(fei)(fei)用(yong)(yong)(yong)(yong)(yong)分(fen)攤到現(xian)有(you)(you)(you)產(chan)品(pin)中(zhong),會導致(zhi)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)費(fei)(fei)偏高。某型鏈(lian)軌(gui)節(jie)成(cheng)(cheng)本(ben)構(gou)成(cheng)(cheng)明細(xi)如(ru)表1所示(shi)。依據表1數據繪制(zhi)鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)(jian)(jian)單(dan)(dan)位成(cheng)(cheng)本(ben)變(bian)化趨勢曲線(xian),從圖...
發布時間: 2022 - 04 - 04
瀏覽(lan)次數:8102
于(yu)(yu)(yu)進(jin)江(jiang)第(di)一(yi)次(ci)覺得(de)點(dian)心捧在手里完全不(bu)忍心吃掉,是在日(ri)本(ben)逛和(he)(he)(he)果子店(dian)時(shi)。 作為一(yi)名新銳設計師,他對事物的(de)外觀和(he)(he)(he)色彩有(you)(you)天生(sheng)(sheng)的(de)敏感。那天逛商場,他專門去(qu)看了深受中(zhong)國游客(ke)喜(xi)愛(ai)的(de)和(he)(he)(he)果子。商場里整(zheng)整(zheng)一(yi)層全是各種造型精美、做工別致的(de)和(he)(he)(he)果子,讓(rang)人目不(bu)暇接(jie)。 于(yu)(yu)(yu)進(jin)江(jiang)1975年出生(sheng)(sheng)于(yu)(yu)(yu)河南周口,從小吃著街(jie)邊小攤上賣的(de)馓子、江(jiang)米(mi)條、蜜三(san)刀等傳(chuan)統河南點(dian)心長(chang)大(da)。不(bu)管做工還是造型,它們都(dou)和(he)(he)(he)黃(huang)土地的(de)農(nong)民(min)一(yi)樣(yang)粗(cu)獷樸實。與(yu)眼(yan)前這(zhe)(zhe)些價格不(bu)菲、論個賣的(de)日(ri)本(ben)點(dian)心相比,“差距簡直就是科幻小說(shuo)《北京(jing)折疊》中(zhong)的(de)第(di)一(yi)空間和(he)(he)(he)第(di)三(san)空間”。 “都(dou)說(shuo)中(zhong)國點(dian)心沒日(ri)本(ben)做得(de)好,但和(he)(he)(he)果子又起源于(yu)(yu)(yu)遣唐(tang)使(shi)傳(chuan)回去(qu)的(de)‘唐(tang)果子’。那中(zhong)國古代(dai)的(de)點(dian)心究竟是什(shen)么樣(yang)呢?”看著中(zhong)國游客(ke)在柜臺前排起長(chang)隊(dui),于(yu)(yu)(yu)進(jin)江(jiang)突然(ran)冒出這(zhe)(zhe)樣(yang)的(de)疑問。  此(ci)(ci)后(hou),他開始有(you)(you)意收集(ji)(ji)古代(dai)點(dian)心模(mo)具(ju)。隨著唐(tang)代(dai)、明代(dai)、清代(dai)、民(min)國的(de)模(mo)具(ju)越攢越多,他也(ye)就此(ci)(ci)闖(chuang)入“一(yi)座(zuo)中(zhong)國古代(dai)點(dian)心文化(hua)(hua)大(da)寶(bao)庫”。尤(you)其(qi)是解讀出模(mo)具(ju)上鑿刻的(de)圖(tu)案(an)和(he)(he)(he)紋(wen)飾背(bei)后(hou)的(de)含義(yi)時(shi),會有(you)(you)種與(yu)古人心有(you)(you)靈犀的(de)愉悅。迄今(jin)為止,于(yu)(yu)(yu)進(jin)江(jiang)一(yi)共收藏了7000多個形狀不(bu)同的(de)點(dian)心模(mo)具(ju),他也(ye)仿佛和(he)(he)(he)7000多位(wei)古人進(jin)行(xing)了對話。  于(yu)(yu)(yu)進(jin)江(jiang)把模(mo)具(ju)背(bei)后(hou)的(de)故事和(he)(he)(he)對它們的(de)文化(hua)(hua)解讀寫(xie)了出來,就有(you)(you)了新書《小點(dian)心大(da)文化(hua)(hua)》。 不(bu)被重視的(de)點(dian)心模(mo)具(ju)收藏 于(yu)(yu)(yu)進(jin)江(jiang)有(you)(you)收藏習(xi)慣,小時(shi)候(hou)愛(ai)收集(ji)(ji)錢(qian)幣,到北京(jing)后(hou)對石刻感興趣,...
發(fa)布時間: 2022 - 04 - 04
瀏覽次數:658463
全球六大(da)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)制(zhi)(zhi)(zhi)造(zao)(zao)基地(di)橫向(xiang)對(dui)比,人均產(chan)值(zhi)德(de)國(guo)(guo)(guo)(guo)第一(yi)(yi)【導(dao)語】 近十幾年來(lai)中(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)(guo)的(de)(de)(de)(de)(de)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)制(zhi)(zhi)(zhi)造(zao)(zao)技術有了(le)質的(de)(de)(de)(de)(de)飛躍,模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)行業(ye)(ye)(ye)(ye)從(cong)(cong)小到大(da),迅速(su)崛(jue)起,成(cheng)為世(shi)界模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)制(zhi)(zhi)(zhi)造(zao)(zao)大(da)國(guo)(guo)(guo)(guo),我們(men)可以(yi)把這個階段叫(jiao)做中(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)(guo)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)的(de)(de)(de)(de)(de)第一(yi)(yi)次騰飛。隨著中(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)(guo)汽(qi)車(che)工業(ye)(ye)(ye)(ye)的(de)(de)(de)(de)(de)發(fa)展(zhan),自(zi)主品(pin)牌(pai)向(xiang)中(zhong)(zhong)(zhong)(zhong)高端進軍,新能(neng)源汽(qi)車(che)興起,市場(chang)給(gei)我們(men)提(ti)出了(le)新的(de)(de)(de)(de)(de)需(xu)求(qiu)(qiu),要求(qiu)(qiu)我們(men)從(cong)(cong)低端模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)邁(mai)向(xiang)高端模(mo)(mo)(mo)(mo)(mo)具(ju)(ju),從(cong)(cong)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)大(da)國(guo)(guo)(guo)(guo)邁(mai)向(xiang)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)強國(guo)(guo)(guo)(guo),實現中(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)(guo)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)的(de)(de)(de)(de)(de)第二次騰飛。如(ru)何實現從(cong)(cong)低到高、從(cong)(cong)大(da)到強的(de)(de)(de)(de)(de)轉變,如(ru)何實現中(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)(guo)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)的(de)(de)(de)(de)(de)第二次飛躍,是(shi)(shi)值(zhi)得每(mei)個中(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)(guo)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)廠(chang)、每(mei)個中(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)(guo)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)人思考的(de)(de)(de)(de)(de)問題。目前,中(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)(guo)、美(mei)(mei)國(guo)(guo)(guo)(guo)、日本、德(de)國(guo)(guo)(guo)(guo)、韓國(guo)(guo)(guo)(guo)、意大(da)利(li)這六大(da)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)制(zhi)(zhi)(zhi)造(zao)(zao)國(guo)(guo)(guo)(guo)的(de)(de)(de)(de)(de)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)產(chan)值(zhi)占居全球的(de)(de)(de)(de)(de)絕對(dui)地(di)位,中(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)(guo)的(de)(de)(de)(de)(de)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)產(chan)值(zhi)是(shi)(shi)世(shi)界之最。美(mei)(mei)國(guo)(guo)(guo)(guo)、日本、德(de)國(guo)(guo)(guo)(guo)等發(fa)達國(guo)(guo)(guo)(guo)家(jia)的(de)(de)(de)(de)(de)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)制(zhi)(zhi)(zhi)造(zao)(zao)業(ye)(ye)(ye)(ye)在(zai)(zai)生(sheng)(sheng)產(chan)經營方面具(ju)(ju)有以(yi)下特點:(1)人員精簡(jian),歐美(mei)(mei)日模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)大(da)多(duo)(duo)(duo)數(shu)(shu)規模(mo)(mo)(mo)(mo)(mo)不大(da),員工人數(shu)(shu)超過百(bai)人的(de)(de)(de)(de)(de)較(jiao)少(shao),模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)人數(shu)(shu)一(yi)(yi)般(ban)都在(zai)(zai)20~50人。企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)各(ge)類人員的(de)(de)(de)(de)(de)配置十分精簡(jian),一(yi)(yi)專(zhuan)多(duo)(duo)(duo)能(neng),一(yi)(yi)人多(duo)(duo)(duo)職,企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)內部看不到閑人。 (2)采(cai)用專(zhuan)業(ye)(ye)(ye)(ye)化(hua),產(chan)品(pin)定位準。大(da)多(duo)(duo)(duo)數(shu)(shu)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)廠(chang)都是(shi)(shi)圍繞(rao)汽(qi)車(che)、電子等產(chan)業(ye)(ye)(ye)(ye)對(dui)各(ge)類模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)的(de)(de)(de)(de)(de)需(xu)求(qiu)(qiu),確定自(zi)己(ji)的(de)(de)(de)(de)(de)產(chan)品(pin)定位和市場(chang)定位。為了(le)在(zai)(zai)市場(chang)競(jing)爭中(zhong)(zhong)(zhong)(zhong)求(qiu)(qiu)生(sheng)(sheng)存、求(qiu)(qiu)發(fa)展(zhan),每(mei)個模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)廠(chang)家(jia)都有自(zi)己(ji)的(de)(de)(de)(de)(de)優(you)勢技術和產(chan)品(pin),并都采(cai)取專(zhuan)業(ye)(ye)(ye)(ye)化(hua)的(de)(de)(de)(de)(de)生(sheng)(sheng)產(chan)方式。歐美(mei)(mei)日大(da)多(duo)(duo)(duo)數(shu)(shu)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)既(ji)有一(yi)(yi)批長期合作的(de)(de)(de)(de)(de)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)用戶,在(zai)(zai)大(da)型模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)公司周圍又有一(yi)(yi)批模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)生(sheng)(sheng)產(chan)協(xie)作廠(chang)家(jia)。(3)先進的(de)(de)(de)(de)(de)管理(li)信(xin)息系統,實現集(ji)成(cheng)化(hua)管理(li)。歐美(mei)(mei)的(de)(de)(de)(de)(de)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)企(qi)(qi)(qi)業(ye)(ye)(ye)(ye),特...
發布時間: 2017 - 03 - 31
瀏覽次數:3159
中(zhong)國(guo)(guo)(guo)經(jing)(jing)濟(ji)(ji)(ji):刺激還(huan)是(shi)(shi)(shi)(shi)(shi)改(gai)革(ge)?投資依(yi)賴癥是(shi)(shi)(shi)(shi)(shi)中(zhong)國(guo)(guo)(guo)經(jing)(jing)濟(ji)(ji)(ji)面臨的(de)(de)(de)(de)難題,用制度經(jing)(jing)濟(ji)(ji)(ji)學上(shang)(shang)的(de)(de)(de)(de)術語來(lai)(lai)說,就(jiu)是(shi)(shi)(shi)(shi)(shi)一種(zhong)路徑依(yi)賴的(de)(de)(de)(de)陷阱。只有內(nei)生動(dong)力(li)才能(neng)推動(dong)經(jing)(jing)濟(ji)(ji)(ji)的(de)(de)(de)(de)持續穩定增(zeng)(zeng)(zeng)長,經(jing)(jing)歷(li)了三十多(duo)年(nian)的(de)(de)(de)(de)高速增(zeng)(zeng)(zeng)長,中(zhong)國(guo)(guo)(guo)市(shi)(shi)場(chang)將取代中(zhong)國(guo)(guo)(guo)制造成(cheng)為中(zhong)國(guo)(guo)(guo)經(jing)(jing)濟(ji)(ji)(ji)的(de)(de)(de)(de)發(fa)動(dong)機。 近日,一張官員(yuan)親吻批(pi)文的(de)(de)(de)(de)照片(pian)在(zai)網絡(luo)上(shang)(shang)引(yin)起了廣(guang)泛的(de)(de)(de)(de)關注和評論。5月27日,湛(zhan)江市(shi)(shi)市(shi)(shi)長王中(zhong)丙走(zou)出發(fa)改(gai)委(wei)(wei)大(da)門,因近700億元的(de)(de)(de)(de)鋼鐵基地項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)得以通過(guo),無法抑制內(nei)心(xin)的(de)(de)(de)(de)喜(xi)悅而親吻了剛剛批(pi)復(fu)下來(lai)(lai)的(de)(de)(de)(de)文件。湛(zhan)江市(shi)(shi)的(de)(de)(de)(de)項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)只是(shi)(shi)(shi)(shi)(shi)冰山一角,今年(nian)前四個月,發(fa)改(gai)委(wei)(wei)批(pi)復(fu)的(de)(de)(de)(de)項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)是(shi)(shi)(shi)(shi)(shi)去(qu)年(nian)的(de)(de)(de)(de)2倍(bei),經(jing)(jing)濟(ji)(ji)(ji)增(zeng)(zeng)(zeng)長疲軟之(zhi)(zhi)際(ji),注入適(shi)當流動(dong)性是(shi)(shi)(shi)(shi)(shi)必(bi)要的(de)(de)(de)(de),但更重要的(de)(de)(de)(de)是(shi)(shi)(shi)(shi)(shi)經(jing)(jing)濟(ji)(ji)(ji)結(jie)構(gou)(gou)的(de)(de)(de)(de)深(shen)層次(ci)調(diao)整。最近一段時間(jian),發(fa)改(gai)委(wei)(wei)批(pi)復(fu)項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)的(de)(de)(de)(de)速度明顯(xian)加快,一些(xie)基建項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)開始(shi)上(shang)(shang)馬。人們懷疑(yi)大(da)項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)能(neng)否(fou)帶動(dong)中(zhong)國(guo)(guo)(guo)經(jing)(jing)濟(ji)(ji)(ji)的(de)(de)(de)(de)持續增(zeng)(zeng)(zeng)長,是(shi)(shi)(shi)(shi)(shi)否(fou)有利于經(jing)(jing)濟(ji)(ji)(ji)結(jie)構(gou)(gou)的(de)(de)(de)(de)調(diao)整。2008年(nian)經(jing)(jing)濟(ji)(ji)(ji)危機之(zhi)(zhi)后(hou),開啟的(de)(de)(de)(de)4萬億刺激計(ji)(ji)劃(hua),雖然實現了保八的(de)(de)(de)(de)目(mu)(mu)標(biao),但負面影響也逐漸顯(xian)露出來(lai)(lai),比如一些(xie)低水平項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)的(de)(de)(de)(de)重復(fu)上(shang)(shang)馬、地方政府債務飆升、通脹壓力(li)上(shang)(shang)行等。與(yu)發(fa)改(gai)委(wei)(wei)批(pi)復(fu)項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)同時進行的(de)(de)(de)(de)是(shi)(shi)(shi)(shi)(shi),鐵道部(bu)、銀監(jian)會(hui)、證監(jian)會(hui)等部(bu)委(wei)(wei)向(xiang)民間(jian)資本(ben)開放,引(yin)導民間(jian)資本(ben)進入銀行、鐵路、電信(xin)等壟斷(duan)行業領(ling)域。中(zhong)國(guo)(guo)(guo)經(jing)(jing)濟(ji)(ji)(ji)結(jie)構(gou)(gou)調(diao)整的(de)(de)(de)(de)核心(xin)命題在(zai)于,在(zai)政府與(yu)市(shi)(shi)場(chang)之(zhi)(zhi)間(jian)劃(hua)定一條界(jie)線(xian),實現民資與(yu)國(guo)(guo)(guo)資的(de)(de)(de)(de)平權。刺激,還(huan)是(shi)(shi)(shi)(shi)(shi)改(gai)革(ge)?的(de)(de)(de)(de)確是(shi)(shi)(shi)(shi)(shi)中(zhong)國(guo)(guo)(guo)經(jing)(jing)濟(ji)(ji)(ji)面臨的(de)(de)(de)(de)抉擇(ze)。經(jing)(jing)濟(ji)(ji)(ji)刺激計(ji)(ji)劃(hua),看上(shang)(shang)去(qu)很美(mei),但對于市(shi)(shi)場(chang)秩序的(de)(de)(de)(de)自(zi)發(fa)生成(cheng)未必(bi)是(shi)(shi)(shi)(shi)(shi)好(hao)事。大(da)項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)拉動(dong)能(neng)夠為經(jing)(jing)濟(ji)(ji)(ji)注入強(qiang)心(xin)針,高樓(lou)...
發布時間: 2016 - 12 - 05
瀏覽(lan)次數:682
1、不(bu)(bu)要(yao)(yao)(yao)輕易(yi)確(que)定(ding)工(gong)(gong)(gong)藝(yi)(yi)、確(que)定(ding)了的(de)(de)工(gong)(gong)(gong)藝(yi)(yi)不(bu)(bu)要(yao)(yao)(yao)輕易(yi)更改(1)要(yao)(yao)(yao)找到問(wen)(wen)題的(de)(de)根源、主(zhu)要(yao)(yao)(yao)因(yin)(yin)(yin)素或者(zhe)主(zhu)要(yao)(yao)(yao)表現(xian)(xian)。(2)輕易(yi)更改工(gong)(gong)(gong)藝(yi)(yi)其實(shi)掩蓋了真正(zheng)原因(yin)(yin)(yin)和(he)(he)(he)問(wen)(wen)題。2、過(guo)程控(kong)(kong)(kong)制要(yao)(yao)(yao)有(you)量化(hua)和(he)(he)(he)追溯(su)的(de)(de)強烈意(yi)識(1)機械零件質(zhi)量穩定(ding)影響因(yin)(yin)(yin)素很多,不(bu)(bu)要(yao)(yao)(yao)忽略任(ren)何(he)細(xi)節(jie)。(2)任(ren)何(he)細(xi)節(jie)盡(jin)可能用(yong)(yong)數據去控(kong)(kong)(kong)制并記錄。(3)過(guo)程細(xi)節(jie)不(bu)(bu)進(jin)(jin)行控(kong)(kong)(kong)制和(he)(he)(he)追溯(su)會誤導糾正(zheng)、預(yu)(yu)防措(cuo)施的(de)(de)制定(ding)。3、解決問(wen)(wen)題一(yi)(yi)(yi)定(ding)要(yao)(yao)(yao)有(you)耐心(1)不(bu)(bu)要(yao)(yao)(yao)過(guo)多希望一(yi)(yi)(yi)口(kou)氣吃個胖子。(2)發現(xian)(xian)異常情況不(bu)(bu)要(yao)(yao)(yao)因(yin)(yin)(yin)為與解決的(de)(de)問(wen)(wen)題好象沒關系而置之不(bu)(bu)理(li)(li)。(3)找不(bu)(bu)出原因(yin)(yin)(yin)和(he)(he)(he)規(gui)律(lv)(lv)的(de)(de)時(shi)候不(bu)(bu)要(yao)(yao)(yao)不(bu)(bu)行動,可以(yi)把分析的(de)(de)影響因(yin)(yin)(yin)素控(kong)(kong)(kong)制規(gui)范(fan)起(qi)(qi)來。(4)把以(yi)前試驗和(he)(he)(he)總(zong)結的(de)(de)一(yi)(yi)(yi)些(xie)(xie)經(jing)驗和(he)(he)(he)規(gui)律(lv)(lv)再復(fu)習(xi)復(fu)習(xi)。(5)一(yi)(yi)(yi)旦發現(xian)(xian)一(yi)(yi)(yi)些(xie)(xie)經(jing)驗和(he)(he)(he)規(gui)律(lv)(lv)后(hou),再深入下去把它上升為理(li)(li)論,哪怕(pa)多廢點成本也值得(de)。(6)要(yao)(yao)(yao)知(zhi)道(dao)“千里之堤毀于一(yi)(yi)(yi)穴(xue)”,也要(yao)(yao)(yao)知(zhi)道(dao)“愚(yu)公(gong)移山”。4、要(yao)(yao)(yao)建立預(yu)(yu)防的(de)(de)思維(1)質(zhi)量管(guan)理(li)(li)的(de)(de)最高境界(jie)是(shi)預(yu)(yu)防,而不(bu)(bu)是(shi)出了問(wen)(wen)題后(hou)如何(he)挽救(jiu)。(2)任(ren)何(he)質(zhi)量問(wen)(wen)題出現(xian)(xian)前一(yi)(yi)(yi)定(ding)是(shi)有(you)征兆的(de)(de),就看(kan)你有(you)沒有(you)方法、手段(duan)和(he)(he)(he)經(jing)驗去監(jian)控(kong)(kong)(kong)和(he)(he)(he)識別。(3)同一(yi)(yi)(yi)質(zhi)量問(wen)(wen)題重復(fu)出現(xian)(xian)第二次(ci)時(shi)應該引起(qi)(qi)高度重視。(4)應該把每(mei)天的(de)(de)過(guo)程和(he)(he)(he)結果數據用(yong)(yong)一(yi)(yi)(yi)定(ding)的(de)(de)工(gong)(gong)(gong)具進(jin)(jin)行整(zheng)理(li)(li),并從(cong)整(zheng)理(li)(li)的(de)(de)結果中尋找規(gui)律(lv)(lv)和(he)(he)(he)變(bian)化(hua)趨勢,這些(xie)(xie)規(gui)律(lv)(lv)和(he)(he)(he)顯示的(de)(de)趨勢是(shi)需要(yao)(yao)(yao)不(bu)(bu)斷修正(zheng)的(de)(de)。(5)在加工(gong)(gong)(gong)產(chan)品之前各個控(kong)(kong)(kong)制要(yao)(yao)(yao)素要(yao)(yao)(yao)盡(jin)可能一(yi)(yi)(yi)致性要(yao)(yao)(yao)高。5、質(zhi)量的(de)(de)控(kong)(kong)(kong)制一(yi)(yi)(yi)定(ding)要(yao)(yao)(yao)有(you)管(guan)理(li)(li)的(de)(de)思維(1)不(bu)(bu)要(yao)(yao)(yao)希望直接(jie)靠工(gong)(gong)(gong)藝(yi)(yi)員來實(shi)現(xian)(xian)產(chan)品質(zhi)量的(de)(de)穩定(ding)。(2)產(chan)品質(zhi)量是(shi)制造出來的(de)(de)...
發布(bu)時(shi)間(jian): 2017 - 01 - 18
瀏覽次數:772
市場(chang)發(fa)展多(duo)元(yuan)化(hua) 家(jia)(jia)居(ju)五(wu)金(jin)(jin)(jin)全(quan)(quan)爆炸(zha)增(zeng)長(chang)27%據統計,2010年我國五(wu)金(jin)(jin)(jin)全(quan)(quan)行(xing)業進出(chu)(chu)口(kou)(kou)(kou)(kou)總(zong)額達(da)(da)到749.23億(yi)美元(yuan),同比(bi)增(zeng)幅(fu)(fu)達(da)(da)30.1%。其中(zhong)出(chu)(chu)口(kou)(kou)(kou)(kou)總(zong)額為575.1億(yi)美元(yuan),同比(bi)增(zeng)幅(fu)(fu)達(da)(da)31.4%;進口(kou)(kou)(kou)(kou)總(zong)額為174.12億(yi)美元(yuan),同比(bi)增(zeng)幅(fu)(fu)26%。在(zai)(zai)(zai)發(fa)展的(de)(de)低谷中(zhong),國際模具(ju)(ju)(ju)及五(wu)金(jin)(jin)(jin)塑膠(jiao)產業供應(ying)商協(xie)會秘書長(chang)羅百(bai)輝利(li)用(yong)(yong)《國際五(wu)金(jin)(jin)(jin)塑膠(jiao)產業》雜(za)志、國際模協(xie)網、金(jin)(jin)(jin)模網等(deng)優勢媒體(ti)引導全(quan)(quan)行(xing)業調整策(ce)略,加快轉型和(he)結構調整,由(you)出(chu)(chu)口(kou)(kou)(kou)(kou)為主轉為“內(nei)貿外貿并舉、國內(nei)外市場(chang)并重(zhong)”的(de)(de)兩條腿走路,持續開拓國內(nei)市場(chang)。而這種(zhong)積極的(de)(de)帶動作用(yong)(yong)成效顯著,引發(fa)了(le)五(wu)金(jin)(jin)(jin)行(xing)業的(de)(de)全(quan)(quan)面反彈(dan),尤其在(zai)(zai)(zai)內(nei)銷上(shang)呈現(xian)出(chu)(chu)爆炸(zha)性(xing)增(zeng)長(chang),實現(xian)了(le)全(quan)(quan)行(xing)業27%的(de)(de)高(gao)(gao)(gao)速增(zeng)長(chang)。 市場(chang)發(fa)展開始多(duo)元(yuan)化(hua) 家(jia)(jia)居(ju)五(wu)金(jin)(jin)(jin)按設(she)置可分為普通(tong)和(he)特(te)殊兩大類,前(qian)者(zhe)包(bao)括合(he)頁、鉸鏈、滑(hua)軌等(deng),后者(zhe)包(bao)括浴(yu)室五(wu)金(jin)(jin)(jin)和(he)廚房掛(gua)件(jian)(jian)(jian)等(deng)。其中(zhong)鉸鏈、滑(hua)軌、合(he)頁和(he)鎖具(ju)(ju)(ju)在(zai)(zai)(zai)生(sheng)活中(zhong)使用(yong)(yong)頻率最高(gao)(gao)(gao),因而顯得(de)更(geng)為重(zhong)要。  近年,由(you)于(yu)消(xiao)費者(zhe)需求的(de)(de)不(bu)斷提(ti)高(gao)(gao)(gao),對五(wu)金(jin)(jin)(jin)配(pei)(pei)件(jian)(jian)(jian)提(ti)出(chu)(chu)了(le)更(geng)大的(de)(de)需求和(he)更(geng)高(gao)(gao)(gao)的(de)(de)要求。拿家(jia)(jia)具(ju)(ju)(ju)業來說,家(jia)(jia)具(ju)(ju)(ju)的(de)(de)質量和(he)檔(dang)次主要體(ti)現(xian)在(zai)(zai)(zai)五(wu)金(jin)(jin)(jin)配(pei)(pei)件(jian)(jian)(jian)的(de)(de)選(xuan)用(yong)(yong)上(shang)。家(jia)(jia)具(ju)(ju)(ju)使用(yong)(yong)不(bu)便(bian),在(zai)(zai)(zai)很(hen)大程度上(shang)是因為家(jia)(jia)具(ju)(ju)(ju)的(de)(de)五(wu)金(jin)(jin)(jin)配(pei)(pei)件(jian)(jian)(jian)選(xuan)用(yong)(yong)不(bu)當或者(zhe)缺少(shao)造成的(de)(de)。業內(nei)常(chang)言道(dao):“只要有相應(ying)的(de)(de)五(wu)金(jin)(jin)(jin)配(pei)(pei)件(jian)(jian)(jian),非常(chang)復雜(za)的(de)(de)多(duo)功能家(jia)(jia)具(ju)(ju)(ju)都能制(zhi)作出(chu)(chu)來。”業內(nei)人士說,五(wu)金(jin)(jin)(jin)配(pei)(pei)件(jian)(jian)(jian)在(zai)(zai)(zai)家(jia)(jia)具(ju)(ju)(ju)中(zhong)的(de)(de)價值占(zhan)(zhan)比(bi)為5%,但是運行(xing)舒適度卻占(zhan)(zhan)85%。可見五(wu)金(jin)(jin)(jin)配(pei)(pei)件(jian)(jian)(jian)在(zai)(zai)(zai)家(jia)(jia)具(ju)(ju)(ju)中(zhong)的(de)(de)重(zhong)要性(xing)。 以前(qian),家(jia)(jia)居(ju)五(wu)金(jin)(jin)(jin)更(geng)...
發布時間: 2013 - 12 - 11
瀏覽(lan)次數:632
【導語】 加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)(xin)、雕(diao)(diao)銑(xian)機、雕(diao)(diao)刻機,之(zhi)(zhi)間(jian)有什(shen)么(me)區別(bie)?,相信這句話很多剛剛加(jia)(jia)入這個圈的(de)(de)(de)(de)(de)朋友都(dou)會問,然(ran)后在(zai)(zai)(zai)買機械設備的(de)(de)(de)(de)(de)時候不(bu)太懂(dong),不(bu)知道(dao)怎么(me)區分,到底應該買什(shen)么(me)樣的(de)(de)(de)(de)(de)設備,才能(neng)達到自(zi)(zi)己的(de)(de)(de)(de)(de)需(xu)求,今天小(xiao)編就(jiu)為(wei)大家(jia)捋一捋他們三者之(zhi)(zhi)間(jian)的(de)(de)(de)(de)(de)區別(bie)。雕(diao)(diao)銑(xian)機顧(gu)名(ming)思(si)義(yi)就(jiu)是可以雕(diao)(diao)、也可銑(xian),在(zai)(zai)(zai)雕(diao)(diao)刻機的(de)(de)(de)(de)(de)基礎上(shang)加(jia)(jia)大了(le)(le)主(zhu)(zhu)軸(zhou)、伺服電機功(gong)率(lv),床(chuang)(chuang)身承(cheng)受力,同時也保持主(zhu)(zhu)軸(zhou)的(de)(de)(de)(de)(de)高(gao)(gao)(gao)(gao)速(su)。雕(diao)(diao)銑(xian)機還向高(gao)(gao)(gao)(gao)速(su)發展,一般稱(cheng)為(wei)高(gao)(gao)(gao)(gao)速(su)機,切(qie)削能(neng)力更強,加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)精(jing)度(du)非常高(gao)(gao)(gao)(gao),還可以直接(jie)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)硬度(du)在(zai)(zai)(zai)HRC60以上(shang)的(de)(de)(de)(de)(de)材料,一次(ci)(ci)成(cheng)型(xing),廣(guang)(guang)泛用于精(jing)密(mi)模(mo)具(ju)(ju)模(mo)仁(ren)粗精(jing)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)一次(ci)(ci)完成(cheng),模(mo)具(ju)(ju)紫銅電極,鋁(lv)件(jian)(jian)(jian)(jian)產品(pin)批量加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong),鞋(xie)模(mo)制造(zao),治具(ju)(ju)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong),鐘表(biao)眼境行(xing)業(ye)。由(you)(you)于性價比(bi)高(gao)(gao)(gao)(gao),加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)速(su)度(du)快,加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)產品(pin)光(guang)潔度(du)好(hao),在(zai)(zai)(zai)機床(chuang)(chuang)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)越(yue)來越(yue)占有重要地(di)(di)(di)位(wei)。CNC加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)(xin)港臺、廣(guang)(guang)東一帶又稱(cheng)之(zhi)(zhi)為(wei)電腦鑼(luo),在(zai)(zai)(zai)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)(xin)上(shang)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)零(ling)件(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)特點是:被加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)零(ling)件(jian)(jian)(jian)(jian)經過一次(ci)(ci)裝夾(jia)后,數控系(xi)統能(neng)控制機床(chuang)(chuang)按不(bu)同的(de)(de)(de)(de)(de)工(gong)(gong)(gong)(gong)(gong)(gong)序(xu)自(zi)(zi)動(dong)(dong)選擇和更換刀具(ju)(ju);自(zi)(zi)動(dong)(dong)改變(bian)機床(chuang)(chuang)主(zhu)(zhu)軸(zhou)轉速(su)、進(jin)(jin)給量和刀具(ju)(ju)相對(dui)工(gong)(gong)(gong)(gong)(gong)(gong)件(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)運動(dong)(dong)軌跡(ji)及其它輔助功(gong)能(neng),連續地(di)(di)(di)對(dui)工(gong)(gong)(gong)(gong)(gong)(gong)件(jian)(jian)(jian)(jian)各(ge)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)面自(zi)(zi)動(dong)(dong)地(di)(di)(di)進(jin)(jin)行(xing)鉆(zhan)孔(kong)、锪孔(kong)、鉸孔(kong)、鏜孔(kong)、攻螺紋、銑(xian)削等多工(gong)(gong)(gong)(gong)(gong)(gong)序(xu)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)。由(you)(you)于加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)(xin)能(neng)集中(zhong)(zhong)(zhong)地(di)(di)(di)、自(zi)(zi)動(dong)(dong)地(di)(di)(di)完成(cheng)多種工(gong)(gong)(gong)(gong)(gong)(gong)序(xu),避免了(le)(le)人為(wei)的(de)(de)(de)(de)(de)操作誤(wu)差(cha)、減少了(le)(le)工(gong)(gong)(gong)(gong)(gong)(gong)件(jian)(jian)(jian)(jian)裝夾(jia)、測量和機床(chuang)(chuang)的(de)(de)(de)(de)(de)調整時間(jian)及工(gong)(gong)(gong)(gong)(gong)(gong)件(jian)(jian)(jian)(jian)周轉、搬運和存(cun)放時間(jian),大大提高(gao)(gao)(gao)(gao)了(le)(le)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)效率(lv)和加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)精(jing)度(du),所以具(ju)(ju)有良好(hao)的(de)(de)(de)(de)(de)經濟效益。加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)(xin)按主(zhu)(zhu)軸(zhou)在(zai)(zai)(zai)空間(jian)的(de)(de)(de)(de)(de)位(wei)置可分為(wei)立式(shi)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)(xin)與(yu)臥式(shi)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)(xin)。雕(diao)(diao)刻機扭矩(ju)比(bi)較小(xiao),主(zhu)(zhu)軸(zhou)轉...
發布(bu)時間: 2016 - 03 - 01
瀏覽次(ci)數:911
分享最全的塑(su)料模具動態圖gif,一目(mu)了然            今天給大家分享網絡(luo)中收集的:注塑(su)、吹塑(su)、擠出、抽 真空成(cheng)型模具動態圖,簡單直接易懂,歡迎收藏(zang)。
發布時間: 2017 - 06 - 15
瀏覽(lan)次(ci)數:1338
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