阀(fa)(fa)(fa)(fa)体(ti)和阀(fa)(fa)(fa)(fa)座(zuo)的(de)(de)连接方(fang)式为螺(luo)栓(shuan)(shuan)(shuan)固定连接，通过(guo)调(diao)整(zheng)(zheng)垫(dian)片的(de)(de)微量(liang)弹性变(bian)形以(yi)及螺(luo)栓(shuan)(shuan)(shuan)的(de)(de)压紧(jin)力(li)(li)(li)(li)来(lai)(lai)实现(xian)阀(fa)(fa)(fa)(fa)座(zuo)和阀(fa)(fa)(fa)(fa)芯密(mi)封副的(de)(de)强(qiang)制密(mi)封，调(diao)整(zheng)(zheng)垫(dian)片材质为不锈钢丝夹柔性石墨(mo)，可(ke)调(diao)范围小(xiao)，介质对阀(fa)(fa)(fa)(fa)座(zuo)的(de)(de)影(ying)响力(li)(li)(li)(li)又很(hen)小(xiao)。而且采(cai)用(yong)螺(luo)栓(shuan)(shuan)(shuan)压紧(jin)力(li)(li)(li)(li)来(lai)(lai)满足预紧(jin)力(li)(li)(li)(li)需(xu)(xu)要(yao)，螺(luo)栓(shuan)(shuan)(shuan)拧紧(jin)后，压紧(jin)力(li)(li)(li)(li)基本(ben)(ben)是(shi)固定的(de)(de)，当介质压力(li)(li)(li)(li)增大(da)时，密(mi)封比(bi)压增大(da)，预紧(jin)力(li)(li)(li)(li)相应增大(da)，原(yuan)来(lai)(lai)的(de)(de)压紧(jin)力(li)(li)(li)(li)在(zai)一定程度上(shang)很(hen)难(nan)满足预紧(jin)力(li)(li)(li)(li)的(de)(de)需(xu)(xu)求。同时螺(luo)栓(shuan)(shuan)(shuan)一直(zhi)处于受力(li)(li)(li)(li)阶段，加(jia)快螺(luo)栓(shuan)(shuan)(shuan)的(de)(de)疲劳破坏，加(jia)速螺(luo)栓(shuan)(shuan)(shuan)的(de)(de)失效(xiao)。另外(wai)，当加(jia)工(gong)有(you)偏差(cha)时，有(you)时候(hou)通过(guo)调(diao)整(zheng)(zheng)垫(dian)片有(you)时很(hen)难(nan)奏效(xiao)，为了保(bao)证一次(ci)试压成功，经(jing)常(chang)需(xu)(xu)要(yao)对阀(fa)(fa)(fa)(fa)座(zuo)零件进(jin)行二次(ci)上(shang)车床加(jia)工(gong)，效(xiao)率降低，成本(ben)(ben)增加(jia)很(hen)多。同时原(yuan)来(lai)(lai)的(de)(de)整(zheng)(zheng)体(ti)阀(fa)(fa)(fa)(fa)座(zuo)结(jie)构(gou)，在(zai)阀(fa)(fa)(fa)(fa)座(zuo)钻孔工(gong)序(xu)这个环节也有(you)缺(que)陷(xian)，经(jing)常(chang)要(yao)密(mi)封面(mian)朝下，这样精加(jia)工(gong)后的(de)(de)密(mi)封面(mian)多少(shao)会磨损(sun)，密(mi)封面(mian)堆焊材料硬度较大(da)，磨损(sun)后的(de)(de)微小(xiao)裂纹很(hen)大(da)影(ying)响密(mi)封性能。基于这些(xie)原(yuan)因，当口径(jing)和压力(li)(li)(li)(li)等级达到(dao)一定级别(bie)时，正向(xiang)很(hen)难(nan)实现(xian)成功保(bao)压，一般(ban)从(cong)出口方(fang)向(xiang)施压，才能保(bao)证密(mi)封，即反向(xiang)保(bao)压成功，难(nan)以(yi)实现(xian)双向(xiang)密(mi)封。浙(zhe)江克亚阀(fa)(fa)(fa)(fa)门有(you)限公司致力(li)(li)(li)(li)于提供铸钢高(gao)平台球(qiu)阀(fa)(fa)(fa)(fa)设(she)备(bei)，欢迎新老客户来(lai)(lai)电！青海低平台球(qiu)阀(fa)(fa)(fa)(fa)生(sheng)产厂家(jia)

球(qiu)(qiu)(qiu)阀(fa)(fa)的(de)(de)主要功能(neng)(neng)是(shi)(shi)切断或接通管道(dao)中的(de)(de)流(liu)体(ti)(ti)通道(dao)。球(qiu)(qiu)(qiu)阀(fa)(fa)的(de)(de)工作原理(li)是(shi)(shi)借(jie)助(zhu)驱动(dong)装置(zhi)在阀(fa)(fa)杆(gan)上端(duan)施加一定(ding)(ding)(ding)的(de)(de)转(zhuan)矩传给(ji)球(qiu)(qiu)(qiu)体(ti)(ti)，使(shi)(shi)其旋转(zhuan)90°，完成开(kai)启或关闭(bi)阀(fa)(fa)门的(de)(de)动(dong)作。球(qiu)(qiu)(qiu)阀(fa)(fa)阀(fa)(fa)座的(de)(de)密(mi)封原理(li)依其结构而异，常用的(de)(de)阀(fa)(fa)座结构可分为固定(ding)(ding)(ding)阀(fa)(fa)座浮动(dong)球(qiu)(qiu)(qiu)体(ti)(ti)与(yu)浮动(dong)阀(fa)(fa)座固定(ding)(ding)(ding)球(qiu)(qiu)(qiu)体(ti)(ti)两大类。当阀(fa)(fa)座固定(ding)(ding)(ding)球(qiu)(qiu)(qiu)体(ti)(ti)浮动(dong)时(shi)，在流(liu)体(ti)(ti)压(ya)力(li)作用下(xia)球(qiu)(qiu)(qiu)体(ti)(ti)在流(liu)体(ti)(ti)流(liu)动(dong)方向产生位(wei)移(yi)，使(shi)(shi)它与(yu)阀(fa)(fa)后阀(fa)(fa)座密(mi)封而更紧密(mi)地接触，即在该密(mi)封面上的(de)(de)比压(ya)增大，形成单面密(mi)封，同时(shi)，阀(fa)(fa)前阀(fa)(fa)座密(mi)封面上的(de)(de)比压(ya)相应(ying)减小，往(wang)往(wang)不(bu)保证密(mi)封。当阀(fa)(fa)座浮动(dong)球(qiu)(qiu)(qiu)体(ti)(ti)固定(ding)(ding)(ding)时(shi)，流(liu)体(ti)(ti)压(ya)力(li)不(bu)能(neng)(neng)使(shi)(shi)球(qiu)(qiu)(qiu)体(ti)(ti)产生位(wei)移(yi)，而是(shi)(shi)阀(fa)(fa)座借(jie)助(zhu)于弹簧或流(liu)体(ti)(ti)推(tui)力(li)压(ya)向球(qiu)(qiu)(qiu)体(ti)(ti)，建(jian)立密(mi)封比压(ya)。广东低平台球(qiu)(qiu)(qiu)阀(fa)(fa)厂价(jia)浙江(jiang)克亚阀(fa)(fa)门有限公司是(shi)(shi)一家专业提供铸钢高平台球(qiu)(qiu)(qiu)阀(fa)(fa)设(she)备(bei)的(de)(de)公司，期待您的(de)(de)光临！

开启时，气(qi)缸(gang)操纵气(qi)以一(yi)(yi)定(ding)的(de)压(ya)力从活塞(sai)下(xia)(xia)(xia)面的(de)进(jin)口(kou)加入使(shi)活塞(sai)带(dai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)阀(fa)(fa)杆(gan)(gan)(gan)(gan)往(wang)上(shang)(shang)(shang)(shang)移(yi)(yi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，这时运动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)转(zhuan)换(huan)(huan)(huan)机(ji)构要(yao)实(shi)现(xian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)的(de)三次变换(huan)(huan)(huan)：第(di)(di)一(yi)(yi)步(bu)(bu)是(shi)上(shang)(shang)(shang)(shang)下(xia)(xia)(xia)阀(fa)(fa)杆(gan)(gan)(gan)(gan)带(dai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)球(qiu)(qiu)体(ti)(ti)上(shang)(shang)(shang)(shang)移(yi)(yi)，使(shi)球(qiu)(qiu)体(ti)(ti)与(yu)阀(fa)(fa)座(zuo)(zuo)至(zhi)松开位置；第(di)(di)二步(bu)(bu)运动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)转(zhuan)换(huan)(huan)(huan)机(ji)构中(zhong)主(zhu)(zhu)(zhu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)与(yu)被(bei)(bei)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)零(ling)(ling)件(jian)啮(nie)合(he)(he)(he)(he)，活塞(sai)带(dai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)上(shang)(shang)(shang)(shang)阀(fa)(fa)杆(gan)(gan)(gan)(gan)继续上(shang)(shang)(shang)(shang)移(yi)(yi)，下(xia)(xia)(xia)阀(fa)(fa)杆(gan)(gan)(gan)(gan)在啮(nie)合(he)(he)(he)(he)后(hou)在限(xian)位措(cuo)施作(zuo)(zuo)(zuo)(zuo)(zuo)用下(xia)(xia)(xia)实(shi)现(xian)90°旋(xuan)转(zhuan)，阀(fa)(fa)门流道导(dao)通；第(di)(di)三步(bu)(bu)运动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)转(zhuan)换(huan)(huan)(huan)机(ji)构中(zhong)主(zhu)(zhu)(zhu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)与(yu)被(bei)(bei)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)零(ling)(ling)件(jian)脱(tuo)(tuo)开啮(nie)合(he)(he)(he)(he)，上(shang)(shang)(shang)(shang)下(xia)(xia)(xia)阀(fa)(fa)杆(gan)(gan)(gan)(gan)带(dai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)球(qiu)(qiu)体(ti)(ti)继续上(shang)(shang)(shang)(shang)移(yi)(yi)，至(zhi)球(qiu)(qiu)体(ti)(ti)阀(fa)(fa)瓣结构与(yu)一(yi)(yi)级(ji)外(wai)漏密封(feng)(feng)座(zuo)(zuo)接触并密封(feng)(feng)。关闭时，气(qi)缸(gang)操纵气(qi)以一(yi)(yi)定(ding)的(de)压(ya)力从活塞(sai)上(shang)(shang)(shang)(shang)面的(de)进(jin)口(kou)加入使(shi)活塞(sai)带(dai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)阀(fa)(fa)杆(gan)(gan)(gan)(gan)往(wang)下(xia)(xia)(xia)移(yi)(yi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，这时运动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)转(zhuan)换(huan)(huan)(huan)机(ji)构也要(yao)实(shi)现(xian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)的(de)三次变换(huan)(huan)(huan)：第(di)(di)一(yi)(yi)步(bu)(bu)运动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)转(zhuan)换(huan)(huan)(huan)机(ji)构中(zhong)主(zhu)(zhu)(zhu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)与(yu)被(bei)(bei)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)零(ling)(ling)件(jian)没啮(nie)合(he)(he)(he)(he)，上(shang)(shang)(shang)(shang)下(xia)(xia)(xia)阀(fa)(fa)杆(gan)(gan)(gan)(gan)带(dai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)球(qiu)(qiu)体(ti)(ti)下(xia)(xia)(xia)移(yi)(yi)，至(zhi)球(qiu)(qiu)体(ti)(ti)阀(fa)(fa)瓣结构与(yu)一(yi)(yi)级(ji)外(wai)漏密封(feng)(feng)座(zuo)(zuo)脱(tuo)(tuo)开；第(di)(di)二步(bu)(bu)运动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)转(zhuan)换(huan)(huan)(huan)机(ji)构中(zhong)主(zhu)(zhu)(zhu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)与(yu)被(bei)(bei)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)零(ling)(ling)件(jian)啮(nie)合(he)(he)(he)(he)，活塞(sai)带(dai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)上(shang)(shang)(shang)(shang)阀(fa)(fa)杆(gan)(gan)(gan)(gan)继续下(xia)(xia)(xia)移(yi)(yi)，下(xia)(xia)(xia)阀(fa)(fa)杆(gan)(gan)(gan)(gan)在啮(nie)合(he)(he)(he)(he)后(hou)在限(xian)位措(cuo)施作(zuo)(zuo)(zuo)(zuo)(zuo)用下(xia)(xia)(xia)实(shi)现(xian)90°旋(xuan)转(zhuan)，阀(fa)(fa)门处于关闭状(zhuang)态；第(di)(di)三步(bu)(bu)运动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)转(zhuan)换(huan)(huan)(huan)机(ji)构中(zhong)主(zhu)(zhu)(zhu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)与(yu)被(bei)(bei)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)零(ling)(ling)件(jian)脱(tuo)(tuo)开啮(nie)合(he)(he)(he)(he)，上(shang)(shang)(shang)(shang)下(xia)(xia)(xia)阀(fa)(fa)杆(gan)(gan)(gan)(gan)下(xia)(xia)(xia)移(yi)(yi)并推(tui)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)球(qiu)(qiu)体(ti)(ti)与(yu)阀(fa)(fa)座(zuo)(zuo)至(zhi)楔紧(jin)密封(feng)(feng)位置。系统(tong)工作(zuo)(zuo)(zuo)(zuo)(zuo)状(zhuang)态下(xia)(xia)(xia)气(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)执行器(qi)能够提供可调节(jie)的(de)机(ji)械(xie)密封(feng)(feng)力使(shi)球(qiu)(qiu)体(ti)(ti)与(yu)阀(fa)(fa)座(zuo)(zuo)紧(jin)密结合(he)(he)(he)(he)保证密封(feng)(feng)。系统(tong)不工作(zuo)(zuo)(zuo)(zuo)(zuo)时，依靠自(zi)密封(feng)(feng)弹(dan)簧提供的(de)机(ji)械(xie)里保证系统(tong)在低(di)压(ya)下(xia)(xia)(xia)球(qiu)(qiu)阀(fa)(fa)照样处于密封(feng)(feng)状(zhuang)态。

全(quan)焊(han)接球(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)的(de)技术特(te)(te)点有(you)(you)哪些呢(ni)？单项(xiang)法(fa)兰全(quan)焊(han)接球(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)完全(quan)按照API6D设(she)计制造，防(fang)火防(fang)静电。阀(fa)(fa)(fa)(fa)(fa)杆(gan)(gan)(gan)按用户要(yao)求(qiu)加长(zhang)，阀(fa)(fa)(fa)(fa)(fa)体(ti)球(qiu)(qiu)体(ti)等金属零件(jian)全(quan)部采用锻造的(de)高质(zhi)量材料，保(bao)证了球(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)的(de)质(zhi)量和强(qiang)(qiang)度(du)。单法(fa)兰全(quan)焊(han)接球(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)技术特(te)(te)点:1、阀(fa)(fa)(fa)(fa)(fa)体(ti)结(jie)构单项(xiang)法(fa)兰，单项(xiang)焊(han)接，不(bu)会有(you)(you)外部泄漏现象(xiang)。2、阀(fa)(fa)(fa)(fa)(fa)座由(you)PTFE密封环及弹(dan)簧组成(cheng)对(dui)压力和温度(du)的(de)变化适应能力强(qiang)(qiang)，在使用范围内不(bu)会产生任何(he)泄漏。3、阀(fa)(fa)(fa)(fa)(fa)杆(gan)(gan)(gan)的(de)防(fang)渗漏结(jie)构、阀(fa)(fa)(fa)(fa)(fa)杆(gan)(gan)(gan)底部有(you)(you)1个PTFE自封密封垫和1个O型(xing)密封圈，上面有(you)(you)2个O型(xing)密封圈、两个PTFE密封垫组成(cheng)，确保(bao)无泄露。5、阀(fa)(fa)(fa)(fa)(fa)体(ti)轻且易于(yu)保(bao)温。6、可(ke)根(gen)据管道法(fa)兰口径选(xuan)择(ze)单法(fa)兰全(quan)焊(han)接球(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)。铸钢高平台球(qiu)(qiu)阀(fa)(fa)(fa)(fa)(fa)设(she)备，就选(xuan)浙江克(ke)亚阀(fa)(fa)(fa)(fa)(fa)门有(you)(you)限(xian)公司，有(you)(you)需(xu)要(yao)可(ke)以联系我(wo)司哦！

从尺(chi)(chi)(chi)寸(cun)(cun)(cun)上分析，阀(fa)体(ti)的(de)(de)结构形式比较(jiao)复杂，标注(zhu)(zhu)尺(chi)(chi)(chi)寸(cun)(cun)(cun)很多，这(zhei)里只分析其中主要尺(chi)(chi)(chi)寸(cun)(cun)(cun)。以阀(fa)体(ti)水(shui)(shui)平(ping)(ping)轴线(xian)(xian)(xian)为径(jing)(jing)向(xiang)(xiang)（高(gao)度(du)(du)方向(xiang)(xiang)）尺(chi)(chi)(chi)寸(cun)(cun)(cun)基准，注(zhu)(zhu)出(chu)水(shui)(shui)平(ping)(ping)方向(xiang)(xiang)的(de)(de)径(jing)(jing)向(xiang)(xiang)直径(jing)(jing)尺(chi)(chi)(chi)寸(cun)(cun)(cun)Φ50、Φ35、Φ20和M36´2等。同(tong)时(shi)还要注(zhu)(zhu)出(chu)水(shui)(shui)平(ping)(ping)轴线(xian)(xian)(xian)到顶端的(de)(de)高(gao)度(du)(du)尺(chi)(chi)(chi)寸(cun)(cun)(cun)56。以阀(fa)体(ti)垂(chui)(chui)直孔的(de)(de)轴线(xian)(xian)(xian)为长度(du)(du)方向(xiang)(xiang)尺(chi)(chi)(chi)寸(cun)(cun)(cun)基准，注(zhu)(zhu)出(chu)铅(qian)垂(chui)(chui)方向(xiang)(xiang)的(de)(de)径(jing)(jing)向(xiang)(xiang)直径(jing)(jing)尺(chi)(chi)(chi)寸(cun)(cun)(cun)Φ36、M24´1.5、Φ22H11、Φ18H11等。同(tong)时(shi)还要注(zhu)(zhu)出(chu)铅(qian)垂(chui)(chui)孔轴线(xian)(xian)(xian)与左端面的(de)(de)距离(li)21。以阀(fa)体(ti)前后对称面为宽度(du)(du)方向(xiang)(xiang)尺(chi)(chi)(chi)寸(cun)(cun)(cun)基准，注(zhu)(zhu)出(chu)阀(fa)体(ti)的(de)(de)圆柱体(ti)外形尺(chi)(chi)(chi)寸(cun)(cun)(cun)Φ55、左端面方形凸缘(yuan)外形尺(chi)(chi)(chi)寸(cun)(cun)(cun)75´75，以及四(si)个(ge)螺孔的(de)(de)定位尺(chi)(chi)(chi)寸(cun)(cun)(cun)Φ70。同(tong)时(shi)还要注(zhu)(zhu)出(chu)扇(shan)形限位块(kuai)的(de)(de)角度(du)(du)定位尺(chi)(chi)(chi)寸(cun)(cun)(cun)45°±30。浙江克(ke)亚阀(fa)门有(you)限公司致力于(yu)提(ti)供(gong)铸钢高(gao)平(ping)(ping)台(tai)球阀(fa)设备，有(you)想法可(ke)以来(lai)我(wo)司咨询！广(guang)东(dong)不锈钢电动(dong)球阀(fa)厂商

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在(zai)拟定工(gong)艺(yi)路(lu)线(xian)时，工(gong)序(xu)(xu)集中(zhong)或分散(san)的(de)程度，主要(yao)(yao)取决于生(sheng)产(chan)规模、零件(jian)的(de)结构特点(dian)和技(ji)术要(yao)(yao)求，有时，还要(yao)(yao)考虑各(ge)工(gong)序(xu)(xu)生(sheng)产(chan)节拍的(de)一致(zhi)性。一般情(qing)况下(xia)，单个小批(pi)(pi)生(sheng)产(chan)时，只能工(gong)序(xu)(xu)集中(zhong)，在(zai)一台普通机床(chuang)(chuang)上加工(gong)出(chu)尽量多(duo)的(de)表面(mian)(mian)；大批(pi)(pi)大量生(sheng)产(chan)时，既可以采(cai)(cai)用多(duo)刀、多(duo)轴等(deng)高效(xiao)(xiao)、自动机床(chuang)(chuang)，将(jiang)工(gong)序(xu)(xu)集中(zhong)，也可以将(jiang)工(gong)序(xu)(xu)分散(san)后组织流水生(sheng)产(chan)。批(pi)(pi)量生(sheng)产(chan)应尽可能采(cai)(cai)用效(xiao)(xiao)率(lv)较高的(de)半自动机床(chuang)(chuang)，使工(gong)序(xu)(xu)适当集中(zhong)，从(cong)而有效(xiao)(xiao)地提(ti)高生(sheng)产(chan)率(lv)。阀(fa)体零件(jian)的(de)加工(gong)工(gong)艺(yi)路(lu)线(xian)安排(pai)如下(xia)：（1）铸(zhu)造毛坯；（2）时效(xiao)(xiao)处理；（3）车左端面(mian)(mian)，粗、半精、精镗(tang)孔Φ35、Φ43、Φ50；钻、粗铰(jiao)、精铰(jiao)Φ20；（4）调(diao)冰(bing)，车右端面(mian)(mian)，车孔Φ；车右端外圆表面(mian)(mian)，倒(dao)角；车M36´2螺纹；（5）车上端面(mian)(mian)，镗(tang)孔Φ18、Φ22、Φ26，车Φ孔；车M24螺纹；（6）钻-攻(gong)4-M12螺纹；（7）铣凸台；（8）检查(cha)；（9）包装入库。青海低平台球阀(fa)生(sheng)产(chan)厂(chang)家

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