什么是(shi)(shi)振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)？振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)，是(shi)(shi)用振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)设备(bei)，按照(zhao)振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)技(ji)(ji)(ji)术国家标(biao)准，使金属工件(jian)在半小时(shi)(shi)(shi)内，进行(xing)数万次较大振(zhen)(zhen)(zhen)幅的亚共振(zhen)(zhen)(zhen)振(zhen)(zhen)(zhen)动(dong)(dong)(dong)，产生(sheng)微观塑(su)性(xing)(xing)变形，释放残余(yu)应(ying)力，防止应(ying)力变形的创新(xin)性(xing)(xing)时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)高新(xin)技(ji)(ji)(ji)术，普遍用于铸件(jian)、焊件(jian)和(he)(he)机械加工件(jian)等(deng)(deng)工件(jian)的时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)处(chu)理(li)。振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)设备(bei)有何优越性(xing)(xing)？振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)通常只需(xu)半小时(shi)(shi)(shi)、一度电和(he)(he)几(ji)元钱的时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)成本(ben)，就能达(da)到时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)效(xiao)(xiao)(xiao)(xiao)果，而且能随时(shi)(shi)(shi)随地进行(xing)处(chu)理(li)，既不(bu)降低硬度，又无(wu)烟(yan)尘(chen)环境污染和(he)(he)氧化(hua)皮，这都是(shi)(shi)热时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)和(he)(he)自然时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)无(wu)法比拟的，被誉为理(li)想的无(wu)成本(ben)时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)技(ji)(ji)(ji)术。振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)的影响可能与材料(liao)的热膨胀(zhang)系数和(he)(he)热导率等(deng)(deng)热学性(xing)(xing)质相(xiang)关。结构(gou)件(jian)振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)处(chu)理(li)

振动(dong)时(shi)效优点：①机械性能(neng)(neng)(neng)(neng)(neng)明(ming)显进步(bu)，通过振荡(dang)时(shi)效处(chu)(chu)理的(de)(de)(de)(de)(de)(de)构(gou)件(jian)(jian)其剩(sheng)余应(ying)力能(neng)(neng)(neng)(neng)(neng)够被消(xiao)除(chu)20%—80%左右(you)，高拉(la)应(ying)力区(qu)消(xiao)除(chu)的(de)(de)(de)(de)(de)(de)份(fen)额比低应(ying)力区(qu)大(da)(da)(da)。因(yin)而能(neng)(neng)(neng)(neng)(neng)够进步(bu)运用(yong)(yong)强度和疲惫寿(shou)数(shu)，下(xia)降应(ying)力腐(fu)蚀。能(neng)(neng)(neng)(neng)(neng)够防止和削减因(yin)为热处(chu)(chu)理、焊接等(deng)工艺(yi)进程(cheng)造成的(de)(de)(de)(de)(de)(de)微观裂纹的(de)(de)(de)(de)(de)(de)发作(zuo)。能(neng)(neng)(neng)(neng)(neng)够进步(bu)构(gou)件(jian)(jian)抗变(bian)形(xing)的(de)(de)(de)(de)(de)(de)能(neng)(neng)(neng)(neng)(neng)力，安稳构(gou)件(jian)(jian)的(de)(de)(de)(de)(de)(de)精(jing)度，进步(bu)机械质量(liang)。②适用(yong)(yong)性强，因(yin)为设备简单易于搬动(dong)，因(yin)而能(neng)(neng)(neng)(neng)(neng)够在(zai)任何场(chang)地上进行(xing)现场(chang)处(chu)(chu)理。它不(bu)受构(gou)件(jian)(jian)大(da)(da)(da)小和材料的(de)(de)(de)(de)(de)(de)限制(zhi)(zhi)，从几(ji)十公斤到几(ji)十吨的(de)(de)(de)(de)(de)(de)构(gou)件(jian)(jian)都能(neng)(neng)(neng)(neng)(neng)够运用(yong)(yong)振荡(dang)时(shi)效技能(neng)(neng)(neng)(neng)(neng)。特别(bie)是(shi)对于一些大(da)(da)(da)型构(gou)件(jian)(jian)无法运用(yong)(yong)热时(shi)效时(shi)，振荡(dang)时(shi)效就具(ju)有更加(jia)突出的(de)(de)(de)(de)(de)(de)优越性。③节(jie)省(sheng)(sheng)(sheng)时(shi)间、能(neng)(neng)(neng)(neng)(neng)源(yuan)和费(fei)用(yong)(yong)，振荡(dang)时(shi)效只需(xu)30分(fen)钟(zhong)即可(ke)进行(xing)下(xia)道工序。而热时(shi)效至(zhi)少需(xu)求(qiu)一至(zhi)两天(tian)以(yi)(yi)上，且(qie)需(xu)求(qiu)大(da)(da)(da)量(liang)的(de)(de)(de)(de)(de)(de)火油(you)、电(dian)等(deng)能(neng)(neng)(neng)(neng)(neng)源(yuan)。因(yin)而，相对与热时(shi)效来说，振荡(dang)时(shi)效可(ke)节(jie)省(sheng)(sheng)(sheng)能(neng)(neng)(neng)(neng)(neng)源(yuan)90%以(yi)(yi)上，可(ke)节(jie)省(sheng)(sheng)(sheng)费(fei)用(yong)(yong)95%以(yi)(yi)上，特别(bie)是(shi)能(neng)(neng)(neng)(neng)(neng)够节(jie)省(sheng)(sheng)(sheng)制(zhi)(zhi)作(zuo)大(da)(da)(da)型焖火窑的(de)(de)(de)(de)(de)(de)巨大(da)(da)(da)投(tou)资(zi)。无锡不(bu)锈钢(gang)振动(dong)时(shi)效效果好不(bu)好振动(dong)时(shi)效是(shi)材料或结(jie)构(gou)在(zai)振动(dong)环境下(xia)性能(neng)(neng)(neng)(neng)(neng)变(bian)化的(de)(de)(de)(de)(de)(de)过程(cheng)。

工(gong)件(jian)(jian)在(zai)振(zhen)(zhen)动时(shi)效时(shi)是一(yi)(yi)(yi)个(ge)(ge)(ge)(ge)振(zhen)(zhen)动体，它与其(qi)支撑用的(de)弹性橡胶垫和激振(zhen)(zhen)器组(zu)成为一(yi)(yi)(yi)个(ge)(ge)(ge)(ge)振(zhen)(zhen)动系统(tong)(tong)，当该系统(tong)(tong)进行自(zi)(zi)由振(zhen)(zhen)动时(shi)，根据振(zhen)(zhen)动学(xue)原理，它的(de)共振(zhen)(zhen)频(pin)(pin)(pin)率(lv)只与系统(tong)(tong)本(ben)身(shen)的(de)质(zhi)(zhi)量、刚度和阻尼有(you)(you)关。这个(ge)(ge)(ge)(ge)频(pin)(pin)(pin)率(lv)是由系统(tong)(tong)固(gu)(gu)(gu)有(you)(you)性质(zhi)(zhi)所决定(ding)(ding)的(de)，称(cheng)为固(gu)(gu)(gu)有(you)(you)频(pin)(pin)(pin)率(lv)。由振(zhen)(zhen)动频(pin)(pin)(pin)率(lv)的(de)方程解及上图(tu)可(ke)知，具(ju)有(you)(you)几(ji)个(ge)(ge)(ge)(ge)自(zi)(zi)由度的(de)振(zhen)(zhen)动系统(tong)(tong)，有(you)(you)几(ji)个(ge)(ge)(ge)(ge)固(gu)(gu)(gu)有(you)(you)频(pin)(pin)(pin)率(lv)，按(an)低至(zhi)高频(pin)(pin)(pin)顺(shun)序分别称(cheng)为：一(yi)(yi)(yi)固(gu)(gu)(gu)有(you)(you)频(pin)(pin)(pin)率(lv)（基本(ben)固(gu)(gu)(gu)有(you)(you)频(pin)(pin)(pin)率(lv)）；第(di)二(er)个(ge)(ge)(ge)(ge)固(gu)(gu)(gu)有(you)(you)频(pin)(pin)(pin)率(lv)……。对于(yu)每(mei)一(yi)(yi)(yi)个(ge)(ge)(ge)(ge)固(gu)(gu)(gu)有(you)(you)频(pin)(pin)(pin)率(lv)都有(you)(you)一(yi)(yi)(yi)个(ge)(ge)(ge)(ge)确定(ding)(ding)的(de)位移形(xing)态，称(cheng)为振(zhen)(zhen)型(xing)。就(jiu)是说，对应每(mei)一(yi)(yi)(yi)个(ge)(ge)(ge)(ge)固(gu)(gu)(gu)有(you)(you)频(pin)(pin)(pin)率(lv)都有(you)(you)对应的(de)一(yi)(yi)(yi)个(ge)(ge)(ge)(ge)振(zhen)(zhen)型(xing)。工(gong)件(jian)(jian)的(de)固(gu)(gu)(gu)有(you)(you)频(pin)(pin)(pin)率(lv)可(ke)用振(zhen)(zhen)动时(shi)效设备本(ben)身(shen)来测定(ding)(ding)，以VSR系列振(zhen)(zhen)动时(shi)效设备为例(li)，只要按(an)一(yi)(yi)(yi)下控制(zhi)器面(mian)板上的(de)“启动”按(an)钮，整套装(zhuang)置就(jiu)会在(zai)其(qi)扫频(pin)(pin)(pin)范(fan)围内寻找出被时(shi)效工(gong)件(jian)(jian)的(de)固(gu)(gu)(gu)有(you)(you)共振(zhen)(zhen)频(pin)(pin)(pin)率(lv)，并将固(gu)(gu)(gu)有(you)(you)频(pin)(pin)(pin)率(lv)值(zhi)、固(gu)(gu)(gu)有(you)(you)频(pin)(pin)(pin)率(lv)下所对应的(de)工(gong)件(jian)(jian)的(de)较大振(zhen)(zhen)动加速度值(zhi)及工(gong)件(jian)(jian)在(zai)固(gu)(gu)(gu)有(you)(you)频(pin)(pin)(pin)率(lv)周围的(de)振(zhen)(zhen)动趋势图(tu)打印出来，使操作者(zhe)一(yi)(yi)(yi)目了然。

除(chu)残余应(ying)力(li)值外，决定(ding)零(ling)(ling)件(jian)尺寸(cun)稳(wen)定(ding)性(xing)的(de)(de)(de)(de)(de)另一重要因(yin)素是(shi)松弛(chi)刚性(xing)，或零(ling)(ling)件(jian)抗(kang)变(bian)形能(neng)力(li)。有(you)时(shi)虽然零(ling)(ling)件(jian)具(ju)有(you)较大(da)(da)的(de)(de)(de)(de)(de)残余应(ying)力(li)，但因(yin)其抗(kang)变(bian)形能(neng)力(li)强，而(er)(er)不(bu)(bu)致造成大(da)(da)的(de)(de)(de)(de)(de)变(bian)形。在这一方(fang)面(mian)，振(zhen)动时(shi)效同样表(biao)现出明(ming)显的(de)(de)(de)(de)(de)作用。由振(zhen)动时(shi)效的(de)(de)(de)(de)(de)加(jia)(jia)载试验结(jie)果可知，振(zhen)动时(shi)效件(jian)的(de)(de)(de)(de)(de)抗(kang)变(bian)形能(neng)力(li)不(bu)(bu)只高于未经时(shi)效的(de)(de)(de)(de)(de)零(ling)(ling)件(jian)，也(ye)高于经热时(shi)效处理的(de)(de)(de)(de)(de)零(ling)(ling)件(jian)。通过振(zhen)动而(er)(er)使(shi)(shi)材料得到强化，使(shi)(shi)零(ling)(ling)件(jian)的(de)(de)(de)(de)(de)尺寸(cun)精度(du)达(da)到稳(wen)定(ding)。从微观方(fang)面(mian)分(fen)析(xi)，振(zhen)动时(shi)效可视为(wei)一种(zhong)以循环(huan)载荷的(de)(de)(de)(de)(de)形式施加(jia)(jia)于零(ling)(ling)件(jian)上(shang)的(de)(de)(de)(de)(de)一种(zhong)附加(jia)(jia)应(ying)力(li)。众所周知，工程上(shang)采(cai)用的(de)(de)(de)(de)(de)材料都(dou)不(bu)(bu)是(shi)理想(xiang)的(de)(de)(de)(de)(de)弹性(xing)体(ti)，其内部存(cun)在着不(bu)(bu)同类型的(de)(de)(de)(de)(de)微观缺陷，铸(zhu)(zhu)铁(tie)中(zhong)更是(shi)存(cun)在着大(da)(da)量形状各异(yi)的(de)(de)(de)(de)(de)切割金(jin)(jin)属机体(ti)的(de)(de)(de)(de)(de)石墨。故而(er)(er)无论是(shi)钢、铸(zhu)(zhu)铁(tie)或其他金(jin)(jin)属，其中(zhong)的(de)(de)(de)(de)(de)微观缺陷附近(jin)都(dou)存(cun)在着不(bu)(bu)同程度(du)的(de)(de)(de)(de)(de)应(ying)力(li)集(ji)中(zhong)。振(zhen)动时(shi)效设(she)备(bei)依(yi)据的(de)(de)(de)(de)(de)频(pin)谱分(fen)析(xi)技(ji)术，按(an)优化工艺选(xuan)择激振(zhen)频(pin)率进(jin)行时(shi)效处理。

振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)消除(chu)残(can)余应(ying)力(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)优势时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)果(guo)好：大(da)(da)量的(de)(de)(de)(de)(de)(de)(de)(de)研(yan)究和实际(ji)应(ying)用(yong)(yong)证明，振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)对工(gong)(gong)(gong)(gong)(gong)件(jian)的(de)(de)(de)(de)(de)(de)(de)(de)时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)果(guo)好于烧煤、重油或煤气的(de)(de)(de)(de)(de)(de)(de)(de)热时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)炉(lu)(lu)，而(er)基本与电炉(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)(de)时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)果(guo)相近。因(yin)为振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)不(bu)(bu)(bu)只(zhi)克服了(le)(le)热时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)炉(lu)(lu)炉(lu)(lu)温不(bu)(bu)(bu)均而(er)造(zao)成消除(chu)应(ying)力(li)(li)不(bu)(bu)(bu)均匀(yun)之(zhi)难题(ti)，而(er)且避免了(le)(le)工(gong)(gong)(gong)(gong)(gong)件(jian)因(yin)加(jia)热而(er)降低其抗变(bian)形能力(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)影响，所以(yi)(yi)一(yi)般经(jing)振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)处理(li)的(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)(gong)(gong)件(jian)较一(yi)般热时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)处理(li)的(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)(gong)(gong)件(jian)的(de)(de)(de)(de)(de)(de)(de)(de)尺寸稳定性可(ke)提(ti)高30％以(yi)(yi)上(shang)。投资(zi)少(shao)，经(jing)济实用(yong)(yong)：振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)设备的(de)(de)(de)(de)(de)(de)(de)(de)价格(ge)一(yi)般在2—8万元左右(you)，就(jiu)能满足几百吨以(yi)(yi)下工(gong)(gong)(gong)(gong)(gong)件(jian)的(de)(de)(de)(de)(de)(de)(de)(de)时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)处理(li)，而(er)对大(da)(da)型工(gong)(gong)(gong)(gong)(gong)件(jian)建造(zao)热时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)炉(lu)(lu)窑不(bu)(bu)(bu)只(zhi)需投资(zi)几十万元，而(er)且占地面积大(da)(da)，应(ying)用(yong)(yong)起来不(bu)(bu)(bu)灵活，如果(guo)工(gong)(gong)(gong)(gong)(gong)件(jian)少(shao)还不(bu)(bu)(bu)值得开炉(lu)(lu)、工(gong)(gong)(gong)(gong)(gong)件(jian)太大(da)(da)时(shi)(shi)(shi)(shi)(shi)又装(zhuang)不(bu)(bu)(bu)进炉(lu)(lu)等(deng)(deng)。适应(ying)性强：振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)技术的(de)(de)(de)(de)(de)(de)(de)(de)使用(yong)(yong)不(bu)(bu)(bu)受(shou)场地、工(gong)(gong)(gong)(gong)(gong)件(jian)大(da)(da)小、形状、重量等(deng)(deng)条件(jian)的(de)(de)(de)(de)(de)(de)(de)(de)限制，由于振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)设备只(zhi)有几十公(gong)斤，所以(yi)(yi)对大(da)(da)型工(gong)(gong)(gong)(gong)(gong)件(jian)可(ke)就(jiu)地进行时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)处理(li)。同(tong)时(shi)(shi)(shi)(shi)(shi)根据工(gong)(gong)(gong)(gong)(gong)艺要求可(ke)安排在工(gong)(gong)(gong)(gong)(gong)件(jian)不(bu)(bu)(bu)同(tong)的(de)(de)(de)(de)(de)(de)(de)(de)加(jia)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)序间进行时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)处理(li)振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)的(de)(de)(de)(de)(de)(de)(de)(de)机理(li)包括(kuo)应(ying)力(li)(li)集(ji)中、应(ying)力(li)(li)循环和温度变(bian)化等(deng)(deng)因(yin)素。苏州振(zhen)(zhen)(zhen)动(dong)(dong)(dong)时(shi)(shi)(shi)(shi)(shi)效(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)去除(chu)应(ying)力(li)(li)技术设备

振动时(shi)效(xiao)设备的测试结果(guo)可以帮助(zhu)产品(pin)设计师更好地改善产品(pin)结构。结构件振动时(shi)效(xiao)处理

频谱谐波方式不论工(gong)(gong)件(jian)(jian)(jian)(jian)(jian)大小、频率(lv)刚(gang)(gang)性高低(di)、材(cai)料(liao)特性均能找出五种不同振型的(de)(de)谐波峰。不受激(ji)(ji)振器的(de)(de)转(zhuan)速范(fan)围限制，对(dui)激(ji)(ji)振点(dian)和拾振点(dian)无特殊要(yao)求(qiu)，能够(gou)处(chu)理(li)亚共振无法处(chu)理(li)的(de)(de)高刚(gang)(gang)性高固有频率(lv)工(gong)(gong)件(jian)(jian)(jian)(jian)(jian)，能够(gou)满足(zu)对(dui)尺寸精度要(yao)求(qiu)高的(de)(de)工(gong)(gong)件(jian)(jian)(jian)(jian)(jian)，振动(dong)噪(zao)音(yin)低(di)，在机(ji)(ji)(ji)械(xie)(xie)行(xing)业(ye)的(de)(de)覆盖面已(yi)(yi)达到近100%。处(chu)理(li)的(de)(de)转(zhuan)速全部在6000RPM以下，也解决了亚共振设(she)备噪(zao)音(yin)大的(de)(de)问(wen)题(ti)。频谱谐波时(shi)效应(ying)用(yong)领(ling)域：黑色金属：碳素(su)结(jie)构(gou)(gou)钢、低(di)合金钢、不锈钢、铸(zhu)铁;有色金属(铜、铝、锌、钛及其它合金)等(deng)材(cai)质构(gou)(gou)成的(de)(de)铸(zhu)件(jian)(jian)(jian)(jian)(jian)、锻件(jian)(jian)(jian)(jian)(jian)、焊接件(jian)(jian)(jian)(jian)(jian)、机(ji)(ji)(ji)械(xie)(xie)加工(gong)(gong)件(jian)(jian)(jian)(jian)(jian)。随(sui)着振动(dong)时(shi)效技术(shu)在我国几十(shi)年的(de)(de)研究应(ying)用(yong)和发展，现已(yi)(yi)应(ying)用(yong)到工(gong)(gong)业(ye)生产的(de)(de)各(ge)行(xing)各(ge)业(ye)中，如航(hang)天、航(hang)空、兵器、机(ji)(ji)(ji)床、汽车、模具(ju)、风(feng)电、船(chuan)舶(bo)、铸(zhu)造(zao)、水(shui)泥机(ji)(ji)(ji)械(xie)(xie)、木(mu)工(gong)(gong)机(ji)(ji)(ji)械(xie)(xie)、包装机(ji)(ji)(ji)械(xie)(xie)、工(gong)(gong)程机(ji)(ji)(ji)械(xie)(xie)、冶(ye)金机(ji)(ji)(ji)械(xie)(xie)、矿山机(ji)(ji)(ji)械(xie)(xie)、煤矿机(ji)(ji)(ji)械(xie)(xie)、纺织机(ji)(ji)(ji)械(xie)(xie)、重型机(ji)(ji)(ji)械(xie)(xie)、通用(yong)机(ji)(ji)(ji)械(xie)(xie)、电子生产设(she)备、石油(you)化(hua)工(gong)(gong)机(ji)(ji)(ji)械(xie)(xie)等(deng)几十(shi)个行(xing)业(ye)。结(jie)构(gou)(gou)件(jian)(jian)(jian)(jian)(jian)振动(dong)时(shi)效处(chu)理(li)

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