新闻动态

NEWS CENTER

  • 不锈钢精密铸造工艺及研究

    在不锈钢制品(pin)(pin)的(de)生(sheng)产中,有些(xie)产品(pin)(pin)形状奇特,不能用弯(wan)管技术(shu)生(sheng)产。采(cai)用蜡模、砂模和(he)液体材料(liao)充(chong)填成型工(gong)艺,生(sheng)产出(chu)形状不规则(空心或实心)的(de)产品(pin)(pin)。

    2019-01-10 16707

  • 精密铸造硅溶胶型壳的制造工艺

    介绍了(le)(le)以石蜡(la)-硬脂酸低温结晶器、熔模铸(zhu)造(zao)(zao)和(he)精密(mi)铸(zhu)造(zao)(zao)硅溶胶(jiao)(jiao)为(wei)结壳(qiao)剂制(zhi)造(zao)(zao)铸(zhu)件(jian)外壳(qiao)的工艺要(yao)求。本文(wen)主要(yao)研(yan)究了(le)(le)熔融法、硅溶胶(jiao)(jiao)壳(qiao)法和(he)焙烧法。五年来的生(sheng)产实(shi)践(jian)充分证明,精密(mi)铸(zhu)造(zao)(zao)硅溶胶(jiao)(jiao)型(xing)壳(qiao)制(zhi)造(zao)(zao)技(ji)术(shu)成熟(shu),为(wei)生(sheng)产合格的型(xing)壳(qiao)和(he)精密(mi)铸(zhu)件(jian)提供了(le)(le)技(ji)术(shu)保(bao)证。

    2019-01-10 16727

  • 精密锻造成形技术类型及应用

    精(jing)(jing)(jing)密锻(duan)(duan)(duan)造成(cheng)(cheng)形(xing)(xing)(xing)技(ji)(ji)术,又称为近形(xing)(xing)(xing)或近净成(cheng)(cheng)形(xing)(xing)(xing)技(ji)(ji)术是指(zhi)零(ling)件(jian)成(cheng)(cheng)形(xing)(xing)(xing)后,仅需要少量加(jia)工(gong)或不再加(jia)工(gong),就可以用作机械构(gou)件(jian)的(de)(de)成(cheng)(cheng)形(xing)(xing)(xing)技(ji)(ji)术。在生(sheng)(sheng)产实践中,人们习惯(guan)将(jiang)(jiang)精(jing)(jing)(jing)密锻(duan)(duan)(duan)造成(cheng)(cheng)形(xing)(xing)(xing)技(ji)(ji)术分(fen)为:冷精(jing)(jing)(jing)锻(duan)(duan)(duan)成(cheng)(cheng)形(xing)(xing)(xing)、热精(jing)(jing)(jing)锻(duan)(duan)(duan)成(cheng)(cheng)形(xing)(xing)(xing)、温(wen)精(jing)(jing)(jing)锻(duan)(duan)(duan)成(cheng)(cheng)形(xing)(xing)(xing)、复(fu)合成(cheng)(cheng)形(xing)(xing)(xing)、闭(bi)塞锻(duan)(duan)(duan)造、等温(wen)锻(duan)(duan)(duan)造、分(fen)流(liu)锻(duan)(duan)(duan)造等。   1、冷精(jing)(jing)(jing)锻(duan)(duan)(duan)成(cheng)(cheng)形(xing)(xing)(xing)  将(jiang)(jiang)不加(jia)热的(de)(de)金(jin)属材料(liao)直接进行锻(duan)(duan)(duan)造,主(zhu)要包括冷挤(ji)压和冷镦挤(ji)。  冷精(jing)(jing)(jing)锻(duan)(duan)(duan)成(cheng)(cheng)形(xing)(xing)(xing)技(ji)(ji)术比较(jiao)适合多品(pin)种小(xiao)批量生(sheng)(sheng)产,主(zhu)要用来制造汽(qi)车、摩(mo)托车的(de)(de)各(ge)种零(ling)部(bu)件(jian)以及一些齿形(xing)(xing)(xing)零(ling)件(jian)。  2、热精(jing)(jing)(jing)锻(duan)(duan)(duan)成(cheng)(cheng)形(xing)(xing)(xing)  主(zhu)要是指(zhi)在再结晶(jing)温(wen)度(du)之上的(de)(de)精(jing)(jing)(jing)密锻(duan)(duan)(duan)造成(cheng)(cheng)形(xing)(xing)(xing)工(gong)艺。热精(jing)(jing)(jing)锻(duan)(duan)(duan)成(cheng)(cheng)形(xing)(xing)(xing)工(gong)艺大多

    2018-11-18 16652

  • 精密锻造技术的应用

    精(jing)密(mi)锻(duan)造(zao)成(cheng)(cheng)形技(ji)术(shu)即近净成(cheng)(cheng)形技(ji)术(shu),是指零件(jian)成(cheng)(cheng)形后(hou),仅需要(yao)少(shao)量加(jia)工(gong)(gong)或(huo)不再加(jia)工(gong)(gong),就可以用(yong)作机械构(gou)件(jian)的成(cheng)(cheng)形技(ji)术(shu),即制造(zao)接近零件(jian)形状(zhuang)的工(gong)(gong)件(jian)毛(mao)坯。         较传统成(cheng)(cheng)形技(ji)术(shu)减少(shao)了(le)后(hou)续的切削量,减少(shao)了(le)材(cai)料(liao)、能源(yuan)消耗、加(jia)工(gong)(gong)工(gong)(gong)序,显(xian)著提高生(sheng)产(chan)(chan)(chan)(chan)效率和产(chan)(chan)(chan)(chan)品(pin)质量,降低生(sheng)产(chan)(chan)(chan)(chan)成(cheng)(cheng)本,提高产(chan)(chan)(chan)(chan)品(pin)的市场竞(jing)争能力。主要(yao)应(ying)用(yong)         1.生(sheng)产(chan)(chan)(chan)(chan)精(jing)化(hua)毛(mao)坯,将精(jing)密(mi)模(mo)锻(duan)件(jian)精(jing)加(jia)工(gong)(gong)得到成(cheng)(cheng)品(pin)零件(jian)。      &n

    2018-11-18 16601

  • 精密铸造工艺流程图

    精密铸(zhu)(zhu)造(zao)(zao)是铸(zhu)(zhu)造(zao)(zao)方法(fa)(fa)之一(yi)。精密铸(zhu)(zhu)造(zao)(zao)是一(yi)种特(te)殊的(de)(de)(de)铸(zhu)(zhu)造(zao)(zao)方法(fa)(fa)。它可以(yi)获(huo)得相对(dui)精确(que)的(de)(de)(de)形状(zhuang)和较(jiao)高的(de)(de)(de)铸(zhu)(zhu)造(zao)(zao)精度(du)。常用(yong)的(de)(de)(de)方法(fa)(fa)是:首(shou)先,根据产品要求设计制(zhi)造(zao)(zao)模具(残留量很小或没有(you)),用(yong)铸(zhu)(zhu)造(zao)(zao)法(fa)(fa)铸(zhu)(zhu)造(zao)(zao)蜡(la)(la)模,得到(dao)原始(shi)蜡(la)(la)模;在(zai)蜡(la)(la)模上重(zhong)复涂砂工(gong)艺,将外壳(qiao)硬化(hua)(hua)干燥,然后将里(li)面的(de)(de)(de)蜡(la)(la)模融化(hua)(hua),得到(dao)脱蜡(la)(la)的(de)(de)(de)空(kong)腔;对(dui)外壳(qiao)进(jin)行烘烤,以(yi)获(huo)得足够的(de)(de)(de)强度(du)和透气性;浇注所(suo)需(xu)的(de)(de)(de)金属材料;脱壳(qiao)后除去(qu)砂子,获(huo)得高精度(du)产品。根据产品要求或热处理和冷加工(gong)。

    2018-11-11 17435

  • 精密重力铸造工业特点

    熔(rong)(rong)模(mo)铸造(zao)(zao)又称熔(rong)(rong)模(mo)铸造(zao)(zao),常用(yong)于(yu)精(jing)密重力铸造(zao)(zao)中(zhong)(zhong):选(xuan)用(yong)合适的(de)(de)(de)(de)熔(rong)(rong)模(mo)材(cai)(cai)料(liao)(如(ru)石(shi)蜡)制作熔(rong)(rong)模(mo);在熔(rong)(rong)模(mo)上反复浸耐火涂料(liao)、撒(sa)耐火砂(sha),使型(xing)(xing)壳(qiao)硬化、干燥然后熔(rong)(rong)化内熔(rong)(rong)模(mo),得(de)(de)到型(xing)(xing)腔;烘(hong)烤型(xing)(xing)壳(qiao),获得(de)(de)足够的(de)(de)(de)(de)强度,烧掉剩余的(de)(de)(de)(de)熔(rong)(rong)模(mo)材(cai)(cai)料(liao);铸造(zao)(zao)需要将金属(shu)材(cai)(cai)料(liao)凝固冷却(que),脱壳(qiao)后除砂(sha),获得(de)(de)高(gao)(gao)精(jing)度的(de)(de)(de)(de)成品(pin)根据产品(pin)需要进(jin)行(xing)热(re)处(chu)理、冷加工和表面处(chu)理例如(ru),砂(sha)型(xing)(xing)铸造(zao)(zao)、量产工厂应创造(zao)(zao)条件,采(cai)用(yong)先进(jin)的(de)(de)(de)(de)造(zao)(zao)型(xing)(xing)和制芯(xin)(xin)(xin)方(fang)法老式(shi)摇(yao)瓶机或(huo)摇(yao)瓶成型(xing)(xing)机生(sheng)(sheng)(sheng)产线(xian)(xian)不够高(gao)(gao),工人劳动强度大,噪音大,不适应批量生(sheng)(sheng)(sheng)产的(de)(de)(de)(de)要求(qiu),应逐(zhu)步进(jin)行(xing)改(gai)造(zao)(zao)小型(xing)(xing)铸件可采(cai)用(yong)卧式(shi)或(huo)立式(shi)无箱高(gao)(gao)压造(zao)(zao)型(xing)(xing)机生(sheng)(sheng)(sheng)产线(xian)(xian)实体(ti)造(zao)(zao)型(xing)(xing)生(sheng)(sheng)(sheng)产效率高(gao)(gao),占地面积小对于(yu)中(zhong)(zhong)型(xing)(xing)铸件,可选(xuan)用(yong)各(ge)种带箱体(ti)的(de)(de)(de)(de)高(gao)(gao)压造(zao)(zao)型(xing)(xing)机生(sheng)(sheng)(sheng)产线(xian)(xian)和空气冲击造(zao)(zao)型(xing)(xing)线(xian)(xian),以满足快速、高(gao)(gao)精(jing)度造(zao)(zao)型(xing)(xing)生(sheng)(sheng)(sheng)产线(xian)(xian)的(de)(de)(de)(de)要求(qiu)制芯(xin)(xin)(xin)方(fang)法可选(xuan)择为:高(gao)(gao)效制造(zao)(zao)冷芯(xin)(xin)(xin)盒(he)、热(re)芯(xin)(xin)(xin)盒(he)、壳(qiao)芯(xin)(xin)(xin)等(deng)芯(xin)(xin)(xin)法。

    2018-11-11 15668

  • 精密铸造的大体现状

    精密铸(zhu)(zhu)造是(shi)精密铸(zhu)(zhu)造技术的(de)(de)(de)总称。精密铸(zhu)(zhu)造是(shi)通过精密铸(zhu)(zhu)造方法获(huo)得的(de)(de)(de)一种金属成形(xing)对象,即将熔化(hua)的(de)(de)(de)液态金属通过浇注(zhu)、注(zhu)射、吸入(ru)或(huo)其(qi)它铸(zhu)(zhu)造方法,经冷却等注(zhu)入(ru)到预先准备好的(de)(de)(de)铸(zhu)(zhu)造模具(ju)中,从而得到一定的(de)(de)(de)形(xing)状、尺(chi)寸和性能。物(wu)体的(de)(de)(de)形(xing)态。

    2018-11-05 15692

  • 精密铸造四种制壳工艺的特点

    世(shi)界(jie)上精密铸(zhu)件的通用生产工艺

    2018-11-05 15737