CBT1152008金属波形膨胀节

1、CB/T 1153-2008金属波形膨胀节CB/T 1153-2008 Metal bellows expansion joint型式试验大纲Experiment syllabus无锡金波隔振科技有限公司Wuxi Jin Bo Isolation Technology Company Limited2011年11月型式试验大纲Type test outline一、主题内容和适用范围One,Subject content and applicable range本试验大纲规定了 CB/T 1153-2008金属波形膨胀节的试验项目、试验方 法和要求。The test program set CB

2、 / T 1153-2008 metal waveform expansion joint test items, test methods and requirements本试验大纲适用于金属波形膨胀节的型式试验。The test program is suitable for the metal waveform expansion joint type test二、编制依据Two,Compilation basisCB/T 1153-2008金属波形膨胀节。CB / T 1153-2008 metal waveform expansion joint按照标准规定，膨胀节在试制过程中应进行

3、型式检验，特制订本型式试验大 纲。In accordance with the standard provisions, expansion joints during should carry out type testing, special formulate the type test.型号ModelDNdhqtznA数量Numb erB1640040042627280.83430.61Bs0680080081333.5350.54444.91三、提供试件：Three,Provide test pieces试件符号的意义:DN 公称通径(Nominal diameter), mm；d

4、波根外径()，mm；h 波高(Wave height), mm；q 波距(Wave distance), mm；t 一层材料的厚度(A layer of material thickness), mm；z 波纹管材料的层数(Corrugated pipe material layers)；n 波纹管的波数(The wave number of the corrugated pipe)； 额定轴向总位移(Rated total axial displacement)，mm；波纹管试件材料为SUS321，其他为Q235-B；Corrugated tube specimen material for

5、 the SUS321, the other Q235-B;设计基准温度均为205C；Design reference temperature of 205 DEG c;循环次数均为3000次。Cycle number are 3000 times.四、试验设备：Four, test equipment液压试验泵；hydraulic test pump;压力表，精度等级1.5级；pressure gauges, precision grade 1.5 class;3静刚度试验机。Static stiffness test machine.五、试验项目：Five, test project材料检

6、查；material inspection;外观检查；visual inspection;尺寸检验；dimensional inspection;焊缝检验；weld inspection;刚度测定；Determination of stiffness;耐压试验；voltage withstand test;疲劳试验。fatigue test六、试验方法：Six, test method:材料检查：material inspection:核查膨胀节所用材料的牌号及其材质报告，结果应符合表1；Verification of expansion joint material used for the

7、 brand and its material quality report, the results should conform to table 1;表1零件名称Part name材料Material science名称Name牌号Grade标准号Standard number波纹管Corrugated pipe不锈钢Stainless steel0Cr18Ni10TiGB/T 4237-1992法兰Flange碳素结构钢Carbon structural steelQ235-BGB/T 700-1988定位螺杆Positioning screw2.外观检查：Appearance ins

8、pection:在日光或人工照明下目测及相关量具检验膨胀节外观，要求如下：In the sunlight or artificial light under visual and related measuring test expansion joint appearance, requirements are as follows:管坯用薄板卷制时只允许有全焊透的对接型纵向焊缝，不允许有 环焊缝；tube with a sheet coil system is only allowed to have full penetration butt type longitudinal weld

9、, does not allow circumferential weld;管坯的纵焊缝以最少为原则，在管坯厚度不大于0.5mm时，相邻 焊缝的间距应大于150mm，管坯厚度不小于0.8mm时，相邻焊缝的 间距应大于250mm，焊缝条数不多于两条；tube longitudinal seam with minimum principle, in the tube thickness is less than 0.5mm, adjacent the weld spacing should be greater than 150mm, tube thickness not less than 0.

10、8mm, adjacent the weld spacing should be greater than 250mm, weld number no more than two;管坯的拼接应采用自动氩弧焊或等离子焊方法施焊。大于0.5mm 的板材拼焊对口错边量、焊缝的凹陷深度及余高应不大于板厚的10%， 焊缝表面应呈银白色或金黄色，可呈浅蓝色；the splicing tube should be used for automatic argon arc welding and plasma welding method welding. More than 0.5mm plate weld

11、ing unfitness of butt weld depressions, depth and residual high should not be greater than the thickness of the weld surface should be 10%, silvery white or golden yellow, can be a light blue;波峰、波谷与侧壁间应圆滑过渡，波纹表面允许有轻微的模片压 痕，不允许有裂纹、焊接飞溅物及明显的凹凸不平和大于单层壁厚负 偏差的划痕；peaks, troughs and side wall should be smo

12、oth transition, corrugated surface to allow a slight die indentation, no crack, welding spatter and obvious uneven wall thickness is greater than the single and negative deviation scratches;膨胀节组件的波纹管与接管连接应采用氩弧焊焊接，碳钢件可采 用普通电焊。碳钢件法兰(除密封面外)表面应涂防锈漆两道或涂塑 处理；expansion joint assembly of corrugated pipe and

13、 the connecting pipe should be used in argon arc welding, carbon steel parts can adopt the common welding. Carbon steel flange ( except the sealing surface ) surface should be coated antirust paint two or plastic processing;膨胀节组件各部位焊缝表面不应有裂纹、气孔、夹渣、飞溅物等 缺陷；expansion joint assembly parts of the weld s

14、urface should not crack, blowhole, slag, spatter defects;3.尺寸检验：Dimension inspection:用精度符合规定极限偏差要求的通用量具及专用量具检查膨胀节的尺 寸。要求如下：With precision conform to specified limit deviation requirements of special measuring tool for measuring and checking the size of expansion joint. Requirements are as follows:（1

15、）尺寸按附表要求检查；Size according to the schedule requirements check;（2）多层波纹管管坯的套合间隙应不大于0.8mm；Multilayer bellows tube sleeved gap should be less than 0.8mm;（3）波纹管的波峰、波谷曲率半径的极限偏差为15%的公称半径；Corrugated pipe, the radius of curvature of the wave trough of limit deviation of 15% nominal radius;（4）膨胀节组件各部位焊缝表面不应有裂纹

16、、气孔、夹渣、飞溅物等 缺陷；Expansion joint assembly parts of the weld surface should not crack, blowhole, slag, spatter defects;（5）膨胀节组件长度公差为5mm，垂直度公差为1 %波纹管公称通 径，且不大于3mm，同轴度公差为1 %波纹管公称通径，且不大于0 5mm；Expansion joint assembly length tolerance is + 5mm, perpendicularity tolerance of 1% corrugated tube nominal diame

17、ter, and not more than 3mm, coaxial tolerance of 1% corrugated tube nominal diameter, and not more than 5mm diameter;焊缝检验：Weld inspection:波纹管纵焊缝进行拍片检查，焊缝不存在裂纹、未融合和未焊透。Corrugated pipe longitudinal welding seam for X-ray examination, there is no crack, lack of fusion weld and weld刚度测定：Determination of

18、 stiffness:膨胀节的轴向刚度测定，在常温、常压下将试件垂直放置测力机 上进行。分5级递增（每级压缩位移量为轴向总补偿量的1/5），共测 三遍，取其各级额定位移量下的最大作用力的平均值。其结果应符合 B16400的轴向刚度为915.8N/mm，BS06800的轴向刚度为558.0N/mm。Expansion of the axial stiffness measurement, at room temperature, the atmosphere will be specimen placed vertically on the force measuring machine. 5

19、increments ( each stage compression displacement axial total compensation quantity 1 / 5 ), were measured three times, take the various nominal displacement under the maximum force of average value. The results should be in line with the B16400 axial stiffness is 915.8N / mm, BS06800 axial stiffness

20、 for 558.0N / mm.耐压试验：Withstand voltage test:试验装置应保证试验时膨胀节两端固定和有效密封，波纹管以其 自由长度处于直线状态；Test device shall guarantee that the test expansion joint with both ends fixed and effective seal, corrugated pipe with its free length in straight line;试验时应缓慢升压，达到规定试验压力后保压至少10min；Test pressure shall be increased s

21、lowly, reached after the required test pressure and pressure of at least 10min;试验压力下目视检查膨胀节，膨胀节应无渗漏，结构件应无明显 变形，波纹管应无失稳现象；Test pressure visual inspection of expansion joints, expansion joints should be no leakage, pieces of the structure should be no obvious distortion, corrugated tube should be no i

22、nstability phenomenon;水压试验压力下的最大波距变化率大于15%，即认为波纹管已失 稳。Water pressure test of maximum wave pitch change rate is greater than 15%, that the bellows has instability.检查要求：在1.5倍公称压力下，保持10min不发生泄漏，且波 纹管应无失稳现象。Examination requirements: at 1.5 times the nominal pressure, keeping the 10min can not leak, and

23、the corrugated tube should be no instability phenomenon.疲劳试验：Fatigue test:膨胀节的疲劳试验应在专用的疲劳试验装置上进行，疲劳试验装置 应保证能约束波纹管压力推力与位移反力，并能保证施加的轴向循环位 移与波纹管轴线同轴；expansion joint fatigue test should be in special fatigue test device, fatigue test device to ensure the constraint bellows pressure thrust force anddispl

24、acement, and can guarantee the applied axial cyclic displacement and axis of coaxial corrugated pipe;膨胀节的疲劳试验可在常温下进行，膨胀节在轴向总位移量下，循环 次数为设计疲劳寿命的3倍。B16400的疲劳试验循环位移量为31，BS06800 的疲劳试验循环位移量为45。循环频率的选择应确保各波均匀变形(一般不大 于 30 次/min)。Expansion joint fatigue test can be performed at room temperature, expansion jo

25、int in total axial displacement, cycle number for the design of fatigue life 3 times. B16400 fatigue test cyclic displacement of 31, BS06800 fatigue test cyclic displacement of 45. Cyclic frequency selection should ensure that the wave of uniform deformation ( generally not more than 30 times / min

26、).检查要求：膨胀节达到循环次数后，应进行压力试验，试验介质为 水时，波纹管应无漏水现象；试验介质为气体时，皂泡检查波纹管表面 应无漏气现象。Examination requirements: expansion joint to cycle number, should be carried out for water pressure test, the test medium, corrugated tube should be no water leakage phenomenon; test medium is air, soap bubble check corrugated pi

27、pe surface should be no leakage phenomenon.七、试验结果：In seven, the test results:材质报告；material report;外观检查报告；visual inspection report;尺寸检查报告；dimension inspection report;焊缝检验报告；weld inspection report;刚度检验报告；stiffness inspection report;压力试验报告；pressure test report;疲劳试验报告。Fatigue test report.无锡金波隔振科技有限公司不锈钢波形膨胀节质量;GWS397# GLWuxi Jinbo Vibration Isolation Technologies Co.,Ltd Qua