Z622和ZJ36静载试验报告.docx

1、Z622和ZJ36静载试验报告产品NJMZ03和NJMZ04静载压力试验报告 Part NJMZ03 & NJMZ04 Static Load Stress Test Report中山大学工学院应用力学与工程系Zhong Shang University Technical College Applied Mechanics and Engineering Department NJMZ03：Z622 10500 Z01NJMZ04：ZJ36 10500 Z01May. 20062006年5月Summary :Entrusted by Zhao Qing Hongteo Die Casting

2、 Company ltd ,From May 8, 2006 to May 10,2006 .in the Applied Mechanics and Engineering Lab Center of Zhong Shang University . Static Load Stress Test was performed on the parts with the numbers of NJMZ031、NJMZ032、NJMZ033、NJMZ034、NJMZ041、NJMZ042 & NJMZ043 .Therein the maximum destroy load was 25.9kN

3、,the minimum destroy load was 25.2kN.Cracks occurred on the sides of all the M101.25 threaded holes of tested parts .The cause for destroy was the stress concentration caused by the threaded holes ,resulting in weakness of strength in that area It is suggested to enhance the strength of that area,so

4、 as to improve the ability to withstand static load stress.Testers: Zhan Jie Min, Zhan sheng, Wu Hao Wei,Zhao Tao, Lu Fu Yu Report written by: Zhan sheng摘要: 受肇庆鸿特精密压铸有限公司委托, 2006年5月8日至10日在中山大学工程力学实验中心对编号为NJMZ031、NJMZ032、NJMZ033、NJMZ034、NJMZ041、NJMZ042和NJMZ043产品进行了静载压力试验。其中最大破坏荷载为25.9 kN，最小破坏荷载为25.2

5、kN。各个试件都在M101.25螺纹孔边发生开裂。破坏的原因是螺纹孔引起应力集中, 导致此处的强度较薄弱。建议增加此处的强度, 使产品承受静载压力的能力得以提高。测试人员： 詹杰民，詹 胜，吴浩威, 赵 陶, 吕付玉报告撰写： 詹 胜一 Test deviceThe Static Load Stress Test on part NJMZ03 and NJMZ04 was performed in a the all powerful material tester. The tested part was mounted on the in-house designed racks .The

6、 device is shown in picture 1.一 试验装置NJMZ03和NJMZ04产品的静载压力试验在万能材料试验机WES-1000上进行，试件安装在自行设计的支座上, 装置如图1所示。 Picture 1 Static Load Stress Test device图1 静载压力试验装置图 Cracks图2 试件在压力作用下发生破坏Picture 2 Destroy occurred on the part under the effect of stress 二 测试系统测试系统如下图所示一 Test System The test system is shown in t

7、he following drawing stress load board tested partFig 3 Static Load Stress Test system图3 静载压力试验测试系统dynamometry system calibration: dynamometry system is calibrated by class o.3 dynamic meter ES-30A.The result is as the following:测力系统标定：力的测量系统由0.3级标准测力计ES-30A进行校验。结果如下：表1 测力系统标定结果table 1 dynamometry s

8、ystem calibration result标准测力计(kN)standard dynamic meter(kN)03050电子测力计(kN)electronic dynamic meter(kN)030.150.0 Standard dynamic meter Picture 4 tester dynamometry system calibration图4 试验机测力系统标定 electronic dynamic meter(kN) standard dynamic meter(kN)Fig. 5 dynamometry system calibration result图5 测力系统

9、标定结果曲线三 静载压力试验结果三 Static Load Stress Test Result表2 试验结果table 2 Test ResultDestroy load value from the test is rather centralized ,dispersivity is slight试验所得的破坏荷载数值比较集中, 离散性较小。Picture 6 Tested part NJMZ03-1, Static Load Stress test, when load eqaled 25.3,destroyed.图 6 试件NJMZ03-1，静载压力试验，荷载等于25.3 kN时,

10、破坏。Picture. 7 Tested part NJMZ03-2, Static Load Stress test, when load equaled 25.2,destroyed.图 7 试件NJMZ03-2，静载压力试验，荷载等于25.2 kN时, 破坏。Picture. 8Tested part NJMZ03-3, Static Load Stress test, when load equaled 25.4kN,destroyed.图 8 试件NJMZ03-3，静载压力试验，荷载等于25.4 kN时, 破坏。Picture. 9 Tested part NJMZ03-4, Sta

11、tic Load Stress test, when load equaled 25.4kN,destroyed.图 9 试件NJMZ03-4，静载压力试验，荷载等于25.4kN时, 破坏。Picture. 10 Tested part NJMZ04-1, Static Load Stress test, when load equaled 25.2kN,destroyed.图 10 试件NJMZ04-1，静载压力试验，荷载等于25.2 kN时, 破坏。Picture. 11 Tested part NJMZ04-2, Static Load Stress test, when load equaled 25.9,destroyed.图 11 试件NJMZ04-2，静载压力试验，荷载等于25.9 kN时, 破坏。Picture. 12 Tested part NJMZ04-3, Static Load Stress test, when load equaled 25.2,destroyed.图 12 试件NJMZ04-3，静载压力试验，荷载等于25.2 kN时, 破坏。