弯(wan)(wan)管(guan)(guan)加(jia)工有(you)哪些(xie)方法(fa)(fa)(fa)？1、冲(chong)(chong)压(ya)法(fa)(fa)(fa)：在冲(chong)(chong)床(chuang)上(shang)用(yong)(yong)带锥度的芯子(zi)(zi)将管(guan)(guan)端扩到要求的尺(chi)寸和形状。2、滚(gun)轮(lun)法(fa)(fa)(fa)：在管(guan)(guan)内放(fang)置芯子(zi)(zi)，外周用(yong)(yong)滚(gun)轮(lun)推压(ya)，用(yong)(yong)于(yu)圆缘(yuan)加(jia)工。3、鼓胀(zhang)法(fa)(fa)(fa)：一种是(shi)在管(guan)(guan)内放(fang)置橡胶(jiao)，上(shang)方用(yong)(yong)冲(chong)(chong)子(zi)(zi)压(ya)缩，使管(guan)(guan)子(zi)(zi)凸(tu)出(chu)成(cheng)(cheng)(cheng)形；；另一种方法(fa)(fa)(fa)是(shi)液压(ya)鼓胀(zhang)成(cheng)(cheng)(cheng)形，在管(guan)(guan)子(zi)(zi)中(zhong)部(bu)充入液体(ti)，液体(ti)压(ya)力把(ba)管(guan)(guan)子(zi)(zi)鼓成(cheng)(cheng)(cheng)所需(xu)要的形状，波纹管(guan)(guan)的生产大(da)部(bu)分用(yong)(yong)的是(shi)这种方法(fa)(fa)(fa)。4、滚(gun)扎(zha)法(fa)(fa)(fa)：一般不用(yong)(yong)芯轴(zhou)，适合于(yu)厚壁(bi)管(guan)(guan)内侧圆缘(yuan)。5、锻(duan)压(ya)法(fa)(fa)(fa)：用(yong)(yong)型锻(duan)机将管(guan)(guan)子(zi)(zi)端部(bu)或(huo)一部(bu)分予以冲(chong)(chong)伸，使管(guan)(guan)件外径减少，常用(yong)(yong)型锻(duan)机有(you)旋转(zhuan)式、连(lian)杆(gan)式、滚(gun)轮(lun)式。6、弯(wan)(wan)曲(qu)成(cheng)(cheng)(cheng)形法(fa)(fa)(fa)：有(you)三种方法(fa)(fa)(fa)较为常用(yong)(yong)，一种方法(fa)(fa)(fa)叫伸展法(fa)(fa)(fa)，另一种方法(fa)(fa)(fa)叫冲(chong)(chong)压(ya)法(fa)(fa)(fa)，第三种滚(gun)轮(lun)法(fa)(fa)(fa)，有(you)3-4个(ge)辊，两个(ge)固(gu)定辊，一个(ge)调整(zheng)辊，调整(zheng)固(gu)定辊距，成(cheng)(cheng)(cheng)品(pin)管(guan)(guan)件就是(shi)弯(wan)(wan)曲(qu)的。上(shang)海(hai)弯(wan)(wan)圆，弯(wan)(wan)圆，弯(wan)(wan)管(guan)(guan)，拉弯(wan)(wan)，上(shang)海(hai)拉弯(wan)(wan)。阜阳全新停(ting)车架加(jia)工批发(fa)厂

一个行(xing)业(ye)或者是弯管(guan)加(jia)工(gong)(gong)(gong)(gong)(gong)这项工(gong)(gong)(gong)(gong)(gong)艺的(de)(de)(de)(de)产生(sheng)都(dou)(dou)是有(you)历史的(de)(de)(de)(de)，那(nei)么下面我们就来对弯管(guan)加(jia)工(gong)(gong)(gong)(gong)(gong)的(de)(de)(de)(de)历史做(zuo)一个简单(dan)的(de)(de)(de)(de)介(jie)绍。弯管(guan)加(jia)工(gong)(gong)(gong)(gong)(gong)技术(shu)往常在(zai)(zai)我国(guo)(guo)普遍(bian)用(yong)于电力施工(gong)(gong)(gong)(gong)(gong)，公铁路(lu)建(jian)立，锅(guo)炉、桥梁、船舶、家(jia)俱、家(jia)电和(he)装潢等行(xing)业(ye)，其工(gong)(gong)(gong)(gong)(gong)艺随着现(xian)代(dai)技术(shu)的(de)(de)(de)(de)进(jin)步也在(zai)(zai)不时(shi)开(kai)(kai)(kai)展。我国(guo)(guo)的(de)(de)(de)(de)弯管(guan)加(jia)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)艺，苏州弯管(guan)加(jia)工(gong)(gong)(gong)(gong)(gong)加(jia)工(gong)(gong)(gong)(gong)(gong)从青(qing)铜(tong)器时(shi)期开(kai)(kai)(kai)端萌芽(ya)的(de)(de)(de)(de)，并(bing)逐(zhu)步构成和(he)开(kai)(kai)(kai)展。从殷商到春秋(qiu)时(shi)期曾经有(you)了相当兴旺的(de)(de)(de)(de)青(qing)铜(tong)冶铸业(ye)呈现(xian)了各种(zhong)青(qing)铜(tong)工(gong)(gong)(gong)(gong)(gong)具(ju)(ju)(ju)，如(ru)：青(qing)铜(tong)刀、青(qing)铜(tong)锉(cuo)、青(qing)铜(tong)锯等等。同时(shi)有(you)出(chu)土文物与甲骨文记(ji)载标明(ming)(ming)，这个时(shi)期的(de)(de)(de)(de)消费的(de)(de)(de)(de)青(qing)铜(tong)工(gong)(gong)(gong)(gong)(gong)具(ju)(ju)(ju)和(he)生(sheng)活工(gong)(gong)(gong)(gong)(gong)具(ju)(ju)(ju)，在(zai)(zai)制造(zao)过(guo)程中大都(dou)(dou)要(yao)经过(guo)切削(xue)加(jia)工(gong)(gong)(gong)(gong)(gong)或研磨(mo)。我国(guo)(guo)的(de)(de)(de)(de)冶铸技术(shu)比西欧早一千多年。渗(shen)碳、淬火(huo)、和(he)炼钢(gang)技术(shu)的(de)(de)(de)(de)创造(zao)，为制造(zao)坚硬尖利(li)的(de)(de)(de)(de)工(gong)(gong)(gong)(gong)(gong)具(ju)(ju)(ju)提供了便(bian)利(li)的(de)(de)(de)(de)条件。铁质工(gong)(gong)(gong)(gong)(gong)具(ju)(ju)(ju)的(de)(de)(de)(de)呈现(xian)，标明(ming)(ming)金属(shu)切削(xue)加(jia)工(gong)(gong)(gong)(gong)(gong)进(jin)入了一新的(de)(de)(de)(de)阶段。有(you)记(ji)载标明(ming)(ming)早在(zai)(zai)三(san)千多年前的(de)(de)(de)(de)商代(dai)曾经有(you)了旋(xuan)转的(de)(de)(de)(de)琢玉工(gong)(gong)(gong)(gong)(gong)具(ju)(ju)(ju)，这也就是金属(shu)切削(xue)机(ji)床(chuang)(chuang)(chuang)的(de)(de)(de)(de)前身。70年代(dai)在(zai)(zai)河(he)北满城一号汉(han)墓(mu)出(chu)土的(de)(de)(de)(de)五铢钱，其外(wai)圆(yuan)上(shang)有(you)经过(guo)车(che)削(xue)的(de)(de)(de)(de)痕迹(ji)，刀花(hua)平均，切削(xue)振动，波纹明(ming)(ming)晰(xi)，椭圆(yuan)度很(hen)小。有(you)可能将五铢钱穿在(zai)(zai)方轴上(shang)然(ran)后装夹(jia)在(zai)(zai)木质的(de)(de)(de)(de)车(che)床(chuang)(chuang)(chuang)上(shang)，用(yong)手拿着工(gong)(gong)(gong)(gong)(gong)具(ju)(ju)(ju)停(ting)止切削(xue)。现(xian)今(jin)，我国(guo)(guo)机(ji)床(chuang)(chuang)(chuang)制造(zao)也已根(gen)本(ben)上(shang)成熟了，特别是在(zai)(zai)普通机(ji)床(chuang)(chuang)(chuang)上(shang)。

嘉定区铝制停车架加工(gong)诚信为本上(shang)(shang)海(hai)弯(wan)管(guan)，上(shang)(shang)海(hai)弯(wan)圆厂，上(shang)(shang)海(hai)拉弯(wan)厂，上(shang)(shang)海(hai)折(zhe)弯(wan)厂。

引起弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)质量(liang)(liang)下降的主(zhu)要(yao)原因(yin)分析及注意(yi)方法(fa)(fa)：热煨90度(du)弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)1、纯(chun)弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)曲时(shi)，管(guan)(guan)子在外(wai)(wai)力(li)(li)距M作(zuo)用下其中(zhong)(zhong)性层(ceng)外(wai)(wai)侧臂壁(bi)受(shou)拉应力(li)(li)&1作(zuo)用而(er)减薄,内侧受(shou)压应力(li)(li)。作(zuo)用而(er)增厚，合力(li)(li)N1和N2使(shi)管(guan)(guan)子横截面(mian)发生变化。基于这(zhei)一因(yin)素(su)，引起弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)质量(liang)(liang)下降主(zhu)要(yao)原因(yin)为RX与(yu)SX所(suo)(suo)以(yi)，GBJ235—82中(zhong)(zhong)，对(dui)(dui)各(ge)种压力(li)(li)等(deng)级情况下的RX值(zhi)以(yi)及外(wai)(wai)侧的减薄量(liang)(liang)均做了(le)明(ming)确规定(ding)，目的是(shi)为了(le)控制RX与(yu)SX的值(zhi)，从而(er)确保质量(liang)(liang)。2、前条已讲过，弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)时(shi)材(cai)料(liao)外(wai)(wai)侧受(shou)拉，内侧受(shou)压中(zhong)(zhong)性轴所(suo)(suo)在位(wei)置则与(yu)弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)方法(fa)(fa)而(er)不同(tong)，在顶(ding)弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)式(shi)(压缩弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)曲)工(gong)作(zuo)时(shi)中(zhong)(zhong)性轴处于离外(wai)(wai)壁(bi)约1/3处，在旋弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)(回(hui)弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)式(shi))工(gong)作(zuo)时(shi)，中(zhong)(zhong)性轴处于离外(wai)(wai)壁(bi)2/3处。因(yin)此薄壁(bi)管(guan)(guan)道(dao)(dao)弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)曲，使(shi)用旋弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)法(fa)(fa)是(shi)有益的。3、弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)胎(tai)的精度(du)也(ye)是(shi)影响弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)质量(liang)(liang)的因(yin)素(su)之一。我们(men)在弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)胎(tai)制造时(shi)，除规格尺寸(cun)要(yao)求(qiu)控制在一定(ding)公(gong)差范围时(shi)，同(tong)时(shi)也(ye)要(yao)求(qiu)用户在使(shi)用时(shi)根据弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)制管(guan)(guan)径选择相(xiang)应的弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)胎(tai)。4、管(guan)(guan)材(cai)本(ben)身的可弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)曲性能(neng)与(yu)表面(mian)腐(fu)蚀情况，亦可能(neng)影响到弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)质量(liang)(liang)。现场施工(gong)时(shi)，操作(zuo)者亦需(xu)了(le)解被加(jia)工(gong)管(guan)(guan)道(dao)(dao)的材(cai)料(liao)，加(jia)工(gong)性能(neng)和对(dui)(dui)表面(mian)腐(fu)蚀情况作(zuo)出产判断。5、现提供(gong)R。(弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)曲半径/管(guan)(guan)外(wai)(wai)径)关(guan)系曲线图(tu)(如图(tu)示)，供(gong)用户在选择管(guan)(guan)子直(zhi)径与(yu)壁(bi)厚关(guan)系时(shi)参考。本(ben)图(tu)着重(zhong)反(fan)映相(xiang)对(dui)(dui)弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)曲半径，相(xiang)对(dui)(dui)壁(bi)厚对(dui)(dui)弯(wan)(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)质量(liang)(liang)的影响。

前(qian)面(mian)我(wo)们一直在(zai)(zai)(zai)讲弯(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)加(jia)工，那么我(wo)们是(shi)否对(dui)弯(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)有(you)所了解呢？下(xia)面(mian)我(wo)们就(jiu)先来介绍下(xia)，给大家提供一点(dian)(dian)知识。弯(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)是(shi)采用(yong)(yong)成套弯(wan)(wan)(wan)(wan)(wan)(wan)曲(qu)模具进行弯(wan)(wan)(wan)(wan)(wan)(wan)曲(qu)的(de),无论是(shi)哪(na)一种机械设备，大局(ju)部都(dou)用(yong)(yong)到弯(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)，首(shou)要(yao)(yao)用(yong)(yong)以输(shu)油、输(shu)气、输(shu)液等，在(zai)(zai)(zai)飞(fei)机及(ji)其发(fa)起(qi)机上更据有(you)相(xiang)当主要(yao)(yao)的(de)位置(zhi)。弯(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)运(yun)(yun)用(yong)(yong)办(ban)法：惹起(qi)弯(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)质(zhi)(zhi)量(liang)下(xia)降的(de)首(shou)要(yao)(yao)缘(yuan)由(you)剖(pou)析及(ji)留意办(ban)法：1、纯弯(wan)(wan)(wan)(wan)(wan)(wan)曲(qu)时，管(guan)(guan)(guan)(guan)(guan)子在(zai)(zai)(zai)外力(li)(li)距M效果(guo)下(xia)个中(zhong)(zhong)性(xing)层(ceng)外侧(ce)(ce)臂壁(bi)(bi)受(shou)拉应力(li)(li)＆1效果(guo)而减(jian)薄,内侧(ce)(ce)受(shou)压(ya)应力(li)(li)。效果(guo)而增(zeng)厚(hou)，合力(li)(li)N1和N2使管(guan)(guan)(guan)(guan)(guan)子横截面(mian)发(fa)作转变。基(ji)于(yu)这(zhei)一要(yao)(yao)素，惹起(qi)弯(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)质(zhi)(zhi)量(liang)下(xia)降首(shou)要(yao)(yao)缘(yuan)由(you)为RX与SX所以，GBJ235—82中(zhong)(zhong)，对(dui)各类压(ya)力(li)(li)品级状况下(xia)的(de)RX值以及(ji)外侧(ce)(ce)的(de)减(jian)薄量(liang)均做了明(ming)白规则(ze)，目(mu)标是(shi)为了节(jie)制(zhi)RX与SX的(de)值，然后确保质(zhi)(zhi)量(liang)。2、前(qian)条已讲过，弯(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)时资(zi)料外侧(ce)(ce)受(shou)拉，内侧(ce)(ce)受(shou)压(ya)中(zhong)(zhong)性(xing)轴地点(dian)(dian)地位则(ze)与弯(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)办(ban)法而分(fen)歧，在(zai)(zai)(zai)顶弯(wan)(wan)(wan)(wan)(wan)(wan)式(shi)(紧缩弯(wan)(wan)(wan)(wan)(wan)(wan)曲(qu))任务时中(zhong)(zhong)性(xing)轴处(chu)于(yu)离(li)外壁(bi)(bi)约(yue)1／3处(chu)，在(zai)(zai)(zai)旋弯(wan)(wan)(wan)(wan)(wan)(wan)(回弯(wan)(wan)(wan)(wan)(wan)(wan)式(shi))任务时，中(zhong)(zhong)性(xing)轴处(chu)于(yu)离(li)外壁(bi)(bi)2／3处(chu)。因而薄壁(bi)(bi)管(guan)(guan)(guan)(guan)(guan)道弯(wan)(wan)(wan)(wan)(wan)(wan)曲(qu)，运(yun)(yun)用(yong)(yong)旋弯(wan)(wan)(wan)(wan)(wan)(wan)法是(shi)有(you)益(yi)的(de)。3、弯(wan)(wan)(wan)(wan)(wan)(wan)胎的(de)精度也是(shi)影响弯(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)质(zhi)(zhi)量(liang)的(de)要(yao)(yao)素之一。我(wo)们在(zai)(zai)(zai)弯(wan)(wan)(wan)(wan)(wan)(wan)胎制(zhi)造时，除规格尺寸要(yao)(yao)求节(jie)制(zhi)在(zai)(zai)(zai)必然公(gong)役局(ju)限时，杭州弯(wan)(wan)(wan)(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)加(jia)工还也要(yao)(yao)求用(yong)(yong)户在(zai)(zai)(zai)运(yun)(yun)用(yong)(yong)时依据弯(wan)(wan)(wan)(wan)(wan)(wan)制(zhi)管(guan)(guan)(guan)(guan)(guan)径(jing)选择响应的(de)弯(wan)(wan)(wan)(wan)(wan)(wan)胎。4、管(guan)(guan)(guan)(guan)(guan)材自身的(de)可弯(wan)(wan)(wan)(wan)(wan)(wan)曲(qu)功能与外表(biao)侵蚀状况。

汽车(che)管路、工程机械等液压装备业(ye).

以(yi)前弯(wan)管(guan)(guan)(guan)加工(gong)(gong)(gong)(gong)在(zai)材(cai)料(liao)(liao)多(duo)(duo)数是铁，但是随着现(xian)在(zai)技术(shu)的(de)(de)不断(duan)的(de)(de)进(jin)步(bu)，弯(wan)管(guan)(guan)(guan)加工(gong)(gong)(gong)(gong)的(de)(de)材(cai)料(liao)(liao)也开始(shi)多(duo)(duo)样化了，不锈(xiu)钢冲(chong)压(ya)(ya)弯(wan)管(guan)(guan)(guan)工(gong)(gong)(gong)(gong)艺起首焊接一(yi)个(ge)横(heng)截(jie)面为多(duo)(duo)边(bian)形(xing)(xing)的(de)(de)多(duo)(duo)棱环(huan)壳(qiao)或(huo)两头的(de)(de)多(duo)(duo)棱扇(shan)形(xing)(xing)壳(qiao)，内部冲(chong)满压(ya)(ya)力介质后，施以(yi)内压(ya)(ya)，在(zai)内压(ya)(ya)效果下(xia)横(heng)截(jie)面由多(duo)(duo)边(bian)形(xing)(xing)逐(zhu)步(bu)酿成(cheng)圆(yuan)，成(cheng)为一(yi)个(ge)圆(yuan)形(xing)(xing)环(huan)壳(qiao)。不锈(xiu)钢冲(chong)压(ya)(ya)弯(wan)管(guan)(guan)(guan)合用于石油、自然气、化工(gong)(gong)(gong)(gong)、水电、修建和汽锅(guo)等行业的(de)(de)管(guan)(guan)(guan)路系(xi)。不需管(guan)(guan)(guan)坯(pi)作(zuo)原料(liao)(liao)，可(ke)节省制(zhi)管(guan)(guan)(guan)设(she)(she)备及(ji)模具费用，且可(ke)获(huo)得(de)恣(zi)意(yi)大(da)直径而(er)壁厚相对较薄的(de)(de)碳钢弯(wan)头。可(ke)以(yi)缩短制(zhi)造(zao)周期(qi)，出(chu)产本钱**降低(di)。因(yin)(yin)不需求(qiu)任何**设(she)(she)备，尤其合适于现(xian)场加工(gong)(gong)(gong)(gong)大(da)型碳钢弯(wan)管(guan)(guan)(guan)加工(gong)(gong)(gong)(gong)。坯(pi)料(liao)(liao)为平板或(huo)可(ke)展曲面，因(yin)(yin)此下(xia)料(liao)(liao)简略(lve)，精(jing)(jing)度轻易包管(guan)(guan)(guan)，组装焊接便利。弯(wan)胎的(de)(de)精(jing)(jing)度也是影响弯(wan)管(guan)(guan)(guan)质量的(de)(de)因(yin)(yin)素(su)之一(yi)。杭州(zhou)多(duo)(duo)功能停车架加工(gong)(gong)(gong)(gong)销售方法

弯管加工(gong)：对φ1.6---76之(zhi)间的(de)不锈钢(gang)管、铜管、铝管、钢(gang)管等.阜(fu)阳全新(xin)停车架加工(gong)批发厂(chang)

众所周知，制作弯(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)重(zhong)要(yao)道具(ju)弯(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)模(mo)(mo)(mo)具(ju)是重(zhong)要(yao)组成(cheng)部(bu)分(fen)，因其不(bu)同(tong)的(de)(de)(de)(de)(de)(de)(de)形(xing)状和形(xing)态而压制出(chu)(chu)不(bu)同(tong)型号和质量的(de)(de)(de)(de)(de)(de)(de)弯(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)。为节(jie)约(yue)(yue)成(cheng)本，通(tong)过(guo)不(bu)同(tong)的(de)(de)(de)(de)(de)(de)(de)切割(ge)工艺，改(gai)造(zao)(zao)出(chu)(chu)更(geng)实(shi)用(yong)的(de)(de)(de)(de)(de)(de)(de)弯(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)模(mo)(mo)(mo)具(ju)。在(zai)弯(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)模(mo)(mo)(mo)具(ju)改(gai)造(zao)(zao)时(shi)，企业也要(yao)注意其本身的(de)(de)(de)(de)(de)(de)(de)特(te)点。弯(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)模(mo)(mo)(mo)具(ju)夹(jia)(jia)(jia)(jia)紧(jin)(jin)部(bu)分(fen)不(bu)能过(guo)短(duan)，否则容易造(zao)(zao)成(cheng)钢管(guan)(guan)(guan)(guan)(guan)变(bian)(bian)形(xing)，可(ke)保(bao)证在(zai)20mm左右。在(zai)模(mo)(mo)(mo)具(ju)管(guan)(guan)(guan)(guan)(guan)材较软较薄的(de)(de)(de)(de)(de)(de)(de)部(bu)位(wei)，必须(xu)夹(jia)(jia)(jia)(jia)紧(jin)(jin)部(bu)分(fen)应穿心轴防(fang)止变(bian)(bian)形(xing)。对于(yu)夹(jia)(jia)(jia)(jia)模(mo)(mo)(mo)与(yu)轮(lun)模(mo)(mo)(mo)是同(tong)时(shi)旋(xuan)转弯(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)，夹(jia)(jia)(jia)(jia)紧(jin)(jin)力不(bu)需要(yao)太大(da)(da)。同(tong)时(shi)夹(jia)(jia)(jia)(jia)模(mo)(mo)(mo)的(de)(de)(de)(de)(de)(de)(de)夹(jia)(jia)(jia)(jia)紧(jin)(jin)力可(ke)根据管(guan)(guan)(guan)(guan)(guan)子(zi)直(zhi)(zhi)(zhi)径(jing)、管(guan)(guan)(guan)(guan)(guan)壁厚度适当调整(zheng)(zheng)。用(yong)v形(xing)夹(jia)(jia)(jia)(jia)模(mo)(mo)(mo)夹(jia)(jia)(jia)(jia)紧(jin)(jin)时(shi)，夹(jia)(jia)(jia)(jia)模(mo)(mo)(mo)与(yu)轮(lun)模(mo)(mo)(mo)有时(shi)有间(jian)(jian)隙，间(jian)(jian)隙的(de)(de)(de)(de)(de)(de)(de)大(da)(da)小与(yu)管(guan)(guan)(guan)(guan)(guan)子(zi)直(zhi)(zhi)(zhi)径(jing)大(da)(da)小有关，当管(guan)(guan)(guan)(guan)(guan)子(zi)直(zhi)(zhi)(zhi)径(jing)为φ10mm时(shi)，间(jian)(jian)隙小。随着管(guan)(guan)(guan)(guan)(guan)子(zi)直(zhi)(zhi)(zhi)径(jing)的(de)(de)(de)(de)(de)(de)(de)增(zeng)加(jia)间(jian)(jian)隙逐渐增(zeng)大(da)(da)，但(dan)不(bu)影响装夹(jia)(jia)(jia)(jia)与(yu)加(jia)工。如遇到(dao)大(da)(da)于(yu)φ18mm管(guan)(guan)(guan)(guan)(guan)子(zi)时(shi)，要(yao)更(geng)换v形(xing)夹(jia)(jia)(jia)(jia)模(mo)(mo)(mo)、轮(lun)模(mo)(mo)(mo)与(yu)导模(mo)(mo)(mo)。与(yu)v形(xing)夹(jia)(jia)(jia)(jia)模(mo)(mo)(mo)不(bu)同(tong)，如用(yong)R形(xing)夹(jia)(jia)(jia)(jia)模(mo)(mo)(mo)装夹(jia)(jia)(jia)(jia)，夹(jia)(jia)(jia)(jia)模(mo)(mo)(mo)与(yu)轮(lun)模(mo)(mo)(mo)之间(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)间(jian)(jian)隙是没(mei)有变(bian)(bian)化的(de)(de)(de)(de)(de)(de)(de)。导模(mo)(mo)(mo)与(yu)夹(jia)(jia)(jia)(jia)模(mo)(mo)(mo)的(de)(de)(de)(de)(de)(de)(de)v形(xing)尺(chi)寸应统一，便于(yu)观察(cha)与(yu)调整(zheng)(zheng)弯(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)模(mo)(mo)(mo)具(ju)。长此以往，通(tong)过(guo)改(gai)造(zao)(zao)一年大(da)(da)约(yue)(yue)可(ke)节(jie)省(sheng)20种弯(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)模(mo)(mo)(mo)具(ju)的(de)(de)(de)(de)(de)(de)(de)成(cheng)本费，而且可(ke)**缩短(duan)生(sheng)产时(shi)间(jian)(jian)。长期(qi)存放(fang)(fang)的(de)(de)(de)(de)(de)(de)(de)弯(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)，应作按期(qi)检查，常常对外(wai)露的(de)(de)(de)(de)(de)(de)(de)加(jia)工表(biao)面须(xu)保(bao)持清洁(jie)，污垢，整(zheng)(zheng)洁(jie)地存放(fang)(fang)在(zai)室内透风(feng)干燥(zao)的(de)(de)(de)(de)(de)(de)(de)地方，严禁(jin)堆置或(huo)露天存放(fang)(fang)。弯(wan)(wan)(wan)管(guan)(guan)(guan)(guan)(guan)要(yao)常常保(bao)持的(de)(de)(de)(de)(de)(de)(de)干燥(zao)和透风(feng)，保(bao)持器的(de)(de)(de)(de)(de)(de)(de)清洁(jie)和整(zheng)(zheng)洁(jie)。阜阳全新(xin)停车架加(jia)工批(pi)发厂

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