HB6128-2003航空仪表用游丝.pdf 22页

'中华人民共和国航空行业标准HB6128一2003FL6695代替HB6128一1987航空仪表用游丝Hairspringforaviationinstruments2003一09一25发布2003一12一01实施国防科学技术工业委员会发布 HB6128一2003目次前言··············································，·····················，·····························，·········⋯⋯1范围·····························，····················································································⋯⋯2规范性引用文件···············································································，··············⋯⋯“‘3术语和定义···································································..·.···········....···········......⋯⋯气3.1术语·········，··········································........·········..⋯⋯，········.......········........·..·⋯气3.2符号····································，·，，·，·······································，························⋯⋯﹄伪4分类···················································，···，·················································⋯⋯一月4.1游丝品种、代号及标记·······，····，····，·······················································，··⋯⋯“““‘””，JLJq4.2游丝、游丝铜座及游丝连铜座的规格及参数·······························，····························，·⋯I月4胜5技术要求···································································································⋯⋯，J，45.1基本尺寸和参数····，································.········.................................⋯⋯，..⋯1气52形状和位置公差1气︸5.3外观········································································································，⋯⋯1气.5.4游丝连铜座的装配························································，，··············，···············，，··⋯.，气.155稳定处理····································t····························，········.··············.···⋯⋯1气5.6电测量指示仪表游丝及转速表游丝的磁性·········································‘···············⋯⋯︸1︸、5.7转速表游丝连铜座的弹性后效值·································，····················⋯⋯‘’“““‘’‘”‘””︸1.气.5.8转速表游丝连铜座的转矩线性误差值··························，·，···，···························，··⋯le气5.9游丝和游丝铜座的材料···············································，，·，⋯⋯“““’“’‘””””““‘’‘”‘”’︸l‘们6检验方法··································································，··········.·········⋯⋯，·⋯⋯刁.白6.1检测环境条件·····························································⋯⋯，.·····........⋯⋯，..⋯⋯，⋯IJ.zn16.2基本尺寸及参数··········································，···························⋯⋯，...·.·⋯⋯，.⋯1Zn6.3形状和位置公差···········································....................⋯⋯，........⋯⋯，⋯⋯，乙.IU6.4外观及表面质量·························································，··，···················⋯⋯“““”‘””J.ll卫.6.5形状······························································································，·············⋯⋯1一26.6装配质量·······················，··········································，················⋯⋯，.·.·····一，⋯，.五11/l6.7电测量指示仪表用游丝及转速表用游丝的磁性···············，····································⋯⋯l勺l26.8转速表游丝连铜座的弹性后效值············································⋯⋯“’‘’“’‘”.””’““‘”‘’e﹁I6.9转速表用游丝连铜座的转矩非线性误差值············································‘············⋯lQC7质量要求]QC7.1总则1Q.C7.2检验项目In西7.3标志Jn.石I7.4包装················，·············，············································································，⋯⋯JQ..7.5贮存·····························，····················，...·············.........····⋯⋯，⋯⋯，·······.......⋯⋯ HB6128一2003前言本标准代替11B6128一1987《航空仪表用游丝》。本标准与HB6128一1987(以下简称原标准)主要变化如下:a)将原标准中的机械仪表游丝和导电游丝的转矩范围扩大，转矩公差按A类和B类游丝分别给出，增加了标准的可操作性;b)11B6128一1987中的游丝铜座尺寸((D3.0-03.6)范围窄，修订后的游丝铜座尺寸范围扩宽到(D2.0-05.0，并取消了原标准中对游丝铜座小槽的要求，便于加工;c)取消了原标准中对钗青铜游丝脆性的要求;d)技术要求中游丝形状在自由状态下，增加了螺线的线轮廓度公差、垂直度公差、平面度公差及有座游丝的同轴度公差。本标准由中国航空工业第二集团公司提出。本标准由中国航空综合技术研究所归口。本标准起草单位:中国航空工业第五二一厂、中国航空综合技术研究所。本标准主要起草人:安晓玲、席俭、余明芬、刘鹏、舒振杰。本标准干1967年12月首次发布，1987年4月第一次修订，2002年9月第二次修订。 HB6128一2003航空仪表用游丝1范围本标准规定了航空仪表用游丝、游丝连铜座的规格、技术要求、试验方法及质量要求。本标准适用于航空仪表用游丝、游丝连铜座的设计、制造、检验和交付。2规范性引用文件下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件，其随后所有的修改单(不包含勘误的内容)或修订版均不适用于本标准，然而，鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版本适用于本标准。GB191一2000包装储运图示标志GB/T2060一1989黄铜带‘日T3134一1982被青铜线GB/T4240一1993不锈钢丝G1到T4461一1992热双金属带材GB/T14953一1994黄铜线GB/T14954一1994纯铜线GB/T14955一1994青铜线GJB150.9一1986军用设备环境试验方法湿热试验GJB2489一1995航空机载设备履历本及产品合格证编制要求HB5064一1977铜及铜合金钝化膜层质量检验JJF(航空)009一1983线性压力传感器主要静态性能指标计算方法YB/T5254一1993频率元件用恒弹性合金3J53和3J58技术条件GB/T13965一1992仪表元器件术语3术语和定义本标准除采用(:B/T13965一1992规定的术语和定义外，以下术语和定义也适用于本标准。3.1术语_3.1.1游丝转矩hairspringtorsion游丝内端固定，外端回转900所需施加的转矩。3.1.2转矩线性度torsionlinearity游丝工作转角在规定范围内，转矩的最大线性偏离与最大工作转角的游丝转矩之比。3.1.3圈数coilnumber游丝的内端变形点到外端变形点在自由状态下的圈数。3.1.4圈距coilnitch HB6128一2003在矢径方向游丝两相邻圈中心线间的距离，一般可用两相邻圈对应参照点间的距离来表示。3.1.5游丝外半径outsideradiusofhairtorsion游丝最外端外侧的极半径。3.1.6游丝内半径insideradiusofhairtorsion游丝内端内侧的极半径。3.1.7游丝宽度hairspringwidth游丝带材的宽度。3.2符号下列符号适用于本标准。A—精密级(A级);B—普通级(B级);W—无座游丝;S—有座顺时针游丝;N—有座逆时针游丝;b—游丝宽度，单位为毫米(二);D—游丝铜座外径，单位为毫米(m);d—游丝铜座内径，单位为毫米(二);H—游丝铜座高度，单位为毫米(mm);M—游丝转矩，单位为微牛·米(VN.M);n—游丝圈数;Q—最大工作角度，单位为度(。);t—游丝圈距，单位为毫米(mm);r—游丝外半径，单位为毫米(mm);二.—游丝内半径，单位为毫米(mm);T游丝铜座弹性槽宽度，单位为毫米(mm)o4分类游丝品种、代号及标记:.}.，游丝、游丝铜座品种及代号见表10表1游丝、游丝铜座品种及代号号}品种名称结构图示代号备注电测量指示仪表游丝 HB6128一2003表1(续)序号品种名称结构图示代号备注2机械仪表游丝灌参1重铬酸盐钝化3导电游丝幢戮A铬酸盐钝化4转速表游丝臀Z铬酸盐钝化厂一)ll5机械仪表游丝铜座JZ重铬酸盐钝化下11嘿I蒸易厂一10l6导电游丝铜座{11八2铬酸盐钝化臀藻匡瑕一7转速表游丝铜座今赓ZZ重铬酸盐钝化礴瓤JS(顺时针)8机械仪表游丝连铜座瓤1N(逆时针)lp日产 HB6128一2003表1(续)序号品种名称结构图示代号备注画AS(顺时针)9导电游丝连铜座瞥AN(逆时针)重铬酸盐钝化ZS睿(顺时针)10转速表游丝连铜座重铬酸盐钝化ZNA戮(逆时针)注:代号为产品品种名称的代号。4.1.2游丝的标记标记的组成:游丝口口口x口一口x口口口丁下丁丁丁丁丁仁标准号}}}}一}—材料牌号}}}}一L一一———游丝铜座内径游丝铜座外径游丝转矩游丝外半径游丝代号游丝级别示例:A级顺时针机械仪表游丝连铜座，游丝外半径7-，转矩40州·时900,游丝铜座外径4mm,游丝铜座内径1.6mm，材料为QSn4一3的游丝标记为:x}.44A1S7x40一4x1.6QSn4一3HB6128一20034.2游丝、游丝铜座及游丝连铜座的规格及参数 HB6128一20034.2.1游丝的规格及参数4.2.1.1机械仪表游丝及导电游丝规格及参数机械仪表游丝及导电游丝规格及参数见图1及表20其余zs/图1机械仪表游丝及导电游丝表2机械仪表游丝及导电游丝规格及参数外半径r内半径r,转矩M圈数。最大工作角度。1刀nlIIUI】鹭b洲·时900基本极限基本极限基本极限允许允许允许公称值公称值公称值尺寸偏差尺寸偏差尺寸偏差偏差偏差偏差1.250.333.501.51.60+0.256.0士0.350.402.0000.37士0.032.503.751.600.305.53.000.374.06.000.395.05.004.001.750.54士0.057.04.000.305.5A:士5%3.00A:士296A:士29636000.35土0.036.0B:土10%6.50B:士5B:士5%0.377.00士0.40士0.250.48士0.048.000.559.007.04.502.000.51士0.0510.000.5411.000.4312.00士0.040.418.013.000.58士0.056.014.00 HB6128一2003表2《续)外半径r内半径rl转矩M圈数n最大工作角度口<>>mt刀nlrt1tmb洲·司90"基本极限基本极限基本极限允许允许允许公称值公称值公称值尺寸偏差尺寸偏差尺寸偏差偏差偏差偏差12.000.5016.005.50士0.55士0.25士0.0510.020.000.5625.0030.006.300.40士0.048.000.459.000.50士0.0510.000.5616.0012.026.0034.000.606.0045.00士0.0660.0025.000.63A:士59631.00A:士296A:土2%2.0036000.70B:土109620.00B:士5%B:士5%40.00士0.07士0.50‘:400.7150.0010.063.0010.0011.200.45土0.0512.5014.006.534.008.590.007.000.5018.0010.020.00士0.0612.022.4025.000.5612.028.0031.50 HB6128一2003表2(续】外半径r内半径r,宽度b转矩M圈数n最大工作角度at,N-司900基本极限基本极限基本极限允许允许允许公称值公称值公称值尺寸偏差尺寸偏差尺寸偏差偏差偏差偏差60.000.6075.0035.50士0.0640.000.6345.0050.0056.0063.002.00‘:‘71.000.71}士0.0780.0090.007.00100.0012.0112.000.80一士0.08︺11400.90}士0.09一1601180AAA:士5%士2%士2%士0.50B3600B1.00}土0.10B:士10%士为%士5%200.00224.001.20}士0.12250.00280.001.25士0.13315.001.40400.0010.000.5012.502.25+十500.5510.067.0016.000.5612.020.008.00士0.050.6011.085.0025.0012.031.500.6340.0010.050.00 】田6128一2003表2(续)外半径r内半径rl转矩M圈数R最大工作角度。IIIIYInUnmlb州·时90e基本极限基本极限基本极限允许允许允许公称值公称值公称值尺寸偏差尺寸偏差尺寸偏差偏差偏差偏差0.6585.0011.0125.的0.70150.0063.008.000.71士0.052.2580.0010.0100.000.80125.000.90160.000.4512.500.5014.0016.000.5620.0025.0031.509.000.63士0.0540.0050.00+0.500.71A:士5%A:士2%A:士2%士0.5063.0036000B:士10%B:士5%B:士5%0.80100.000.80125.000.90160.002.5010.031.000.8040.00士0.0850.000.9063.0080.00100.001.0011.00125.00160.00士0.10200.001.12225.00315.00400.001.25500.00 HB6128一20034.2.1.2电测量指示仪表游丝规格及参数。电测量指示仪表游丝规格及参数见图2及表3其余l咨图2电测量指示仪表游丝表3电测且指示仪表游丝规格及参数外半径r内半径rl转矩M?t1kb圈数。最大ITlrnInnlpy.司900工作角度基本极限基本极限基本极限允许允许公称值公称值a尺寸偏差尺寸偏差尺寸偏差偏差偏差1.700.555.251.750.300.853.501.704.501.351.750.402.002.000.336o0.41.500.401.600.452.506.501.750.505.251.500.356.000.85+0.25A:士3463.75士10461.75士10460.30士10465.251.2527000B:士6%6.001.350.501.505.501.400.556.003.001.700.505.253.500.305.500.300.374.000.604.00上750.395.001.407.003.250.545.254.25 】m6128一2003表3(续)外半径r内半径r,转矩M圈数n最大nU】11】U】1IMb洲·时900工作角度基本极限基本极限基本极限允许允许公称值公称值a尺寸偏差尺寸偏差尺寸偏差偏差偏差0.900.300.955.254.001.750.261.050.311.200.558.253.100.356.000.650.377.001.150.401.55A:士396士1096士10960.48士10961.852700+:25B:土6%0.552.458.04.252.000.513.250.543.650.435.250.415.756.000.589.500.337.001.104.500.355.501.304.2.1.3转速表游丝规格及参数转速表游丝规格及参数见图3及表4其余z.5图3转速表游丝 HB6128一2003表4转速表游丝规格及参数外半径r内半径rl转矩M圈数n最大允许rnr】飞nUll弩b1,N-时90工作角度凸起基本极限基本极限基本极限允许公称值公称值允许偏差anun尺寸偏差尺寸偏差尺寸偏差偏差6.51.45036000.210.50士0.5060上57.054000310.0080+0.5A:土246士0.52.0士0.059.50土1.08501.3B:士5%12.001007.51.711.5011536000.212.00士0.54058.50.711.254264.2.2游丝铜座的规格及蚕数4.2.2.1机械仪表游丝铜座及导电游丝铜座规格及参数。机械仪表游丝铜座及导电游丝铜座规格及参数见图4及表5。具余12.5未往倒角:0.2x45一卜~一H一﹁叫图4机械仪表游丝铜座及导电游丝铜座 HB6128一2003表5机械仪表游丝铜座及导电游丝铜座规格及参数单位为毫米外径D内径d高度H通槽宽度丁基本尺寸极限偏差基本尺寸极限偏差基本尺寸极限偏差基本尺寸极限偏差2.00.81.01.01.21.31.21.4一:.061.63.01.01.21.31.01.41.60.81.01.21.51.43.61.6+0.1001.70.30‘:040一0.101.81.92.02.00.81.0一:。81.24.01.41.51.61.82.02.24.52.51.82.51.52.61.85.02.82.03.02.512 HB6128一20034.2.2.2转速表游丝铜座规格及参数。转速表游丝铜座规格及参数见图5及表60目0宁石图5转速表游丝铜座表6转速表游丝铜座材料件号名称材料技术要求黄铜线HP659一1《冽T14953一19943a#Fw拨杆黄铜带H62G日T2060一19894.2.2.2.1拨杆座拨杆座见图6a其余G.3X450c峭60仑图6拨杆座4.2.2.2.2拨杆拨杆见图7a 1JB6128一2003其余:3.2/士0121.8士0.12卜R0.2寒拿叭︻心一斗卫昼图7拨杆技术要求基本尺寸和参数1游丝尺寸和参数游丝基本尺寸、极限偏差和参数、允许偏差应符合表2、表3和表4的规定。.2游丝铜座尺寸游丝铜座基本尺寸和极限偏差应符合表5、表6的规定。5.2形状和位置公差5.2自由状态5.2螺旋线的线轮廓度公差游丝在自由状态下，应为阿基米德螺旋线形。螺旋线的线轮廓度公差:A类为三分之一圈距;B类为二分之一圈距。5.2.1.2垂直度公差5.2.1.2.1游丝垂直度公差游丝各圈应在垂直于螺旋中心线的同一平面上，其垂直度为0.1mm.5.2.1.2.2游丝连铜座垂直度公差游丝连铜座的游丝螺旋中心线应与铜座内孔中心重合，各圈端面构成的平面应和游丝铜座内孔中心线垂直，垂直度不大于0.1mm.5.2.1.3游丝各圈构成的端面的平面度公差游丝各圈构成的端面的平面度公差为宽度的四分之一。5.2.1.4游丝连铜座同轴度公差游丝连铜座的阿基米德螺旋线中心对游丝铜座内孔轴线的同轴度公差为圈距t。5.2.2扭紧状态5.2.2.1电测量指示仪表游丝电测量指示仪表游丝扭紧至最大工作角度时，圈与圈不得相接触。52.2.2机械式仪表游丝、游丝连铜座及导电游丝、游丝连铜座机械式仪表游丝、游丝连铜座及导电游丝、游丝连铜座扭紧至3600时，圈与圈不得相接触。 HB6128一20035.2.2.3转速表游丝连铜座转速表游丝连铜座扭紧至最大工作角度时，圈与圈不得相接触，允许凸起值应符合表4的规定。5.3外观5.3.1游丝表面a)游丝表面应清洁，无脏物、油脂;不应有裂纹、夹层、毛刺、机械损伤和锈蚀、腐蚀痕迹等缺陷;b)游丝表面不允许有影响游丝各项性能参数的压痕及氧化斑点等。5.3.2表面粗糙度游丝、游丝铜座表面粗糙度见图1一图705.4游丝连铜座的装配5.4.1铆接游丝与铜座应铆接牢固，游丝内端不得露出游丝铜座的装配槽。5.4.2焊接游丝与铜座应焊接牢固，游丝内端不得超出带拨杆铜座的拨杆焊接部位;焊接部位应光滑，无明显的机械损伤和氧化痕迹。5.5稳定处理游丝、游丝连铜座应经过稳定处理。5，6电测最指示仪表游丝及转速表游丝的磁性电测量指示仪表游丝及转速表游丝应无磁性。5.7转速表游丝连铜座的弹性后效值转速表游丝连铜座扭紧至最大工作角度时的弹性后效值应符合表7的规定。表7转速表游丝连铜座弹性后效值序号最大工作角度a精度级别弹性后效值1精密级(A级)簇15"36002普通级(B级)墓17"3梢密级(A级)(22，54004普通级(B级)毛26"5.8转速表游丝连铜座的转矩线性误差值转速表游丝连铜座的转矩线性误差值为最大工作角度时转矩的士0.2%。将游丝连铜座装在转矩线性测试仪上，每扭紧45‘时测量一次转矩，或按技术协议要求的角度测量。转矩线性误差按JJF(航空)009一1983中的最小二乘直线法计算。5.9游丝和游丝铜座的材料5.9.1游丝材料游丝材料应符合以下规定:a)QSn4一3游丝材料应符合GB/T14955一1994的规定;b)QBe2,QBe2一0.1游丝材料应符合(>B/T3134一1982的规定;c)3J53游丝材料应符合YB/T5254一1993的规定;d)5J11游丝材料应符合GB/T4461一1992的规定;e)不锈钢游丝材料应符合GB/T4240一1993的规定。5.9.2游丝铜座材料游丝铜座材料应符合以下规定:。)铜座材料HPb59一1应符合GB/T14953一1994的规定; HB6128一2003b)H62应符合G1习T2060一1989的规定。6检验方法6.1检测环境条件检测环境条件应符合以下规定:a)环境温度:20℃士5r-b)相对湿度:45%一75%6.2基本尺寸及参数6.2.1基本尺寸游丝基本尺寸和参数按表1一表4规定的项目，检测方法如下:a)游丝外半径和内半径在20倍的投影仪上测量;b)游丝宽度用分度值为0.01二的千分尺测量;c)游丝圈数用目测法检测。6.2.2基本参数a)游丝转矩用转矩仪扭转90。进行检测;b)游丝的转矩线性用精度0.2%的转矩线性测试仪，在游丝工作转角内，每隔450测量转矩进行检测6.2.3游丝铜座基本尺寸检测游丝铜座基本尺寸按表5一表6规定的项目检测，检测方法如下:a)游丝铜座外径、厚度用分度值为0.01mm的千分尺检测;b)游丝铜座内孔直径用塞规检测。6.3形状和位置公差6.3.1游丝线轮廓度的检测:一般用目测法检测其圈距的均匀度。在产品质量有争议时，用样板法在20倍的投影仪上检测。检测无座游丝时要以内圈端点除去1/4圈为起点，外圈端点除去1/4圈为止点。6.3.2游丝各圈构成端面的平面度检测游丝各圈构成端面的平面度，用20倍的投影仪检测。6.3.3游丝各圈构成端面对游丝内孔轴线的垂直度检测游丝各圈构成端面对游丝内孔轴线的垂直度，用20倍的投影仪进行检测。6.3.4有座游丝的阿基米德螺旋线中心对游丝铜座内孔轴线的同轴度检测有座游丝的阿基米德螺旋线中心对游丝铜座内孔轴线的同轴度，用20倍投影仪和样板检测。6.4外观及表面质量6.4.1游丝压延表面粗糙度检测游丝压延表面粗糙度用干涉显微镜检测。6.4.2游丝铜座内孔表面粗糙度检测游丝铜座内孔表面粗糙度用双管显微镜检测。6.4.3游丝铜座及游丝连铜座表面质量的检测在天然散射光线或无反射光的白色透射光线下，光照度不低于300lx，目视检查游丝、游丝铜座及游丝连铜座的表面质量。6.4.4对经表面处理的游丝、游丝座及游丝连铜座的表面质盆的检测对经表面处理的游丝、游丝座及游丝连铜座的表面质量按HB5064一1977的规定检测。6.4.5当怀疑表面有锈蚀时的鉴定方法当怀疑lk面右锈饨时.应按GTB150.9一1986的规定，进行保持48h的湿热试验，如锈蚀处颜色不继 BB6128一2003续加深或扩大，则认为合格。6.5形状6.5.1游丝自由状态下的形状、间距的检测游丝自由状态下的形状、间距，在水平位置用目测检测。凸起现象在垂直位置时目视检测。6.5.2圈与圈接触的检测将游丝或游丝连铜座固定在专用夹具上，将其扭紧至最大工作角度，目视(或用3倍一5倍放大镜)检查圈与圈是否接触。6.5.3检查凸起值将转速表用游丝连铜座固定在专用夹具上，扭紧至最大工作角度，在垂直位置时，用20倍投影仪测量凸起值。6.6装配质最游丝与铜座铆接试验所施加拉力值要求如下:a)机械仪表游丝连铜座:当转矩大于100pN司900时，用专用工具向游丝铆接根部施加5N-10N的拉力，顺槽口向外抽动，直到游丝开始变形为止，此时游丝不应从槽口脱出;当转矩小于100pN时900时，用专用工具向游丝铆接根部施加2.5N-5N的拉力，顺槽口向外抽动，直到游丝开始变形为止，此时游丝不应从槽口脱出;b)转速表游丝连铜座:用专用工具拨动游丝焊接处根部，施加力5N-10N，此时游丝不应脱落。6.7电测互指示仪表用游丝及转速表用游丝的磁性将游丝按图8用0.25mm粗的棉线系住，悬挂在磁通量不小于0.18X10-3Wl〕的磁场内，游丝距离磁极平面距离为2inm-3mm，此时游丝不应被吸动。磁极图8游丝磁性测量6.8转速表游丝连铜座的弹性后效值将游丝连铜座装在精度为3"的弹性后效仪上，扭紧至最大工作角度，在温度为60℃士5℃下保温30min，自然冷却至常温，恢复游丝自由状态，检验游丝不回零的数值，即为弹性后效值。6.9转速表用游丝连铜座的转矩非线性误差值将游丝连铜座装在转矩非线性测试仪上，每扭紧45。时测量一次转矩，或按技术协议要求角度测量游丝转矩。 HB6128一20037质量要求7.1总则游丝、游丝连铜座的质量检验由承制厂检验部门进行出厂检验，并附有产品合格证;产品的标志、包装、贮存应符合本标准的规定。7.2检验项目游丝及游丝连铜座检验项目按表8规定进行。表8游丝及游丝连铜座检验项目序号检验项目技术要求每批抽样数量检验类别检验方法1尺寸5.1;.;.;2%不少于10只检查试验2形状和位置公差5.26.33表面粗糙度5.3.2工艺规定工序检验6.4.1-6.4.24转矩5.15%不少于20只6.2.2a)5外观检查试验6.4.3-6.4.45.3.1100466表面处理6.4.5自由状态5.2.16.5.17形状246，不少于10只扭紧状态5.2.26.5.2-6.5.3工序检验方向及相对位置5.41004!,8装配6.6装配质量5.4246，不少于10只9磁性5.63一5只6.710弹性后效5.7146，不少于4只6.8检查试验6.2.2b11转矩非线性误差5.81%，不少于10只6.97.3标志7.3.1内包装标志游丝和游丝连铜座出厂时应在内包装上标志以下内容:a)制造厂名或商标;b)产品名称、代号和数量;c)批号、检验日期、检验员印章;d)产品出厂日期、贮存期、包装印章。7.3.2合格证每个包装内应附有产品合格证，合格证应按GJB2489一1995要求填写。7.4包装7.4.1内包装游丝或游丝连铜座平放于包装平板凹坑内，每坑放一只。7.4.2外包装将包装好的游丝或游丝连铜座连同产品合格证及装箱单装人包装箱内，包装应保证游丝及游丝连铜座在运输或贮存期内完好无损。7.4.3包装箱18 HB6128一2003包装箱上应有防潮、防震、小心轻放等标志，并符合GB191一200007.5贮存7.5.1贮存环境要求www.17jzw.com包装好的游丝或游丝连铜座应贮存在室温为25℃士5℃，相对湿度不大于75%的环境中，空气中不应含有损坏游丝表面质量的有害物质。7.5.2贮存时间www.17bzw.cn电测量指示仪表游丝及导电游丝、游丝连铜座贮存期为一年;机械仪表、转速表游丝、游丝连铜座贮存期为二年。www.17jzw.netwww.17jzw.cn标准资料收藏家www.17bzw.cn易启标准网免费提供十万标准书籍资料下载会打字、5分钟快速自助建网站www.17jzw.com易启建站网免费提供建站平台，商业网站1年仅60元'