一、液压万能试验机的注意事项
1、 Notes on hydraulic universal testing machine
1.送油阀请及时关闭，开机前关机后送油阀应该及时关闭，加载、卸载和回油均须缓慢进行，以防产生冲击
1. Please close the oil delivery valve in time. Shut down the oil delivery valve before and after starting the machine. The loading, unloading and oil return must be carried out slowly to avoid impact
2.液压万能试验机试样加紧后，夹具位置不可以再调整
2. After the sample of hydraulic universal testing machine is tightened, the position of the fixture can not be adjusted
3.使用过程中，注意力值的加载和横梁移动，不要超出最大范围
3. In the process of use, the loading of attention value and beam movement should not exceed the maximum range
4.开机后有任何异常都可以按下急停开关关闭试验机
4. If there is any abnormality after startup, press the emergency stop switch to shut down the testing machine
二、液压万能试验机的调零方法
2、 Zero adjustment method of hydraulic universal testing machine
1、打开试验设备、计算机、控制软件
1. Open the test equipment, computer and control software
2、对于液压万能试验机根据试样选择合适的量程，调节送油阀使油缸活塞升起，使其重复几次，当活塞正在上升且不承受压力时，观察计算机此时的试验力值是否为零，若不为零则点击硬件调节按钮，调节零点
2. For the hydraulic universal testing machine, select the appropriate range according to the sample, adjust the oil delivery valve to raise the oil cylinder piston, and make it repeat several times. When the piston is rising and does not bear pressure, observe whether the test force value of the computer at this time is zero. If not, click the hardware adjustment button to adjust the zero point
3、零点过大时，先调节零点，然后在各档位分别对软件清零
3. When the zero point is too large, adjust the zero point first, and then reset the software in each gear
4、油缸未升起时，试验力显示负值，属于正常现象，请不要调整零点
4. When the oil cylinder is not raised, the test force shows a negative value, which is a normal phenomenon. Please do not adjust the zero point
5、对于零点的调整，应在引伸计在试样上装夹完毕后，且试验活塞处于静止状态时进行
5. The zero point adjustment should be carried out after the extensometer is clamped on the sample and the test piston is still
6、一般情况下，调速人员已将传感器的零点调整好，每次启动时，系统会自动校准启动零点，无需用户再调整
6. In general, the speed regulator has adjusted the zero point of the sensor. The system will automatically calibrate the starting zero point every time it is started, and there is no need for the user to adjust it again
7、用户可以用硬件调零按钮调整硬件零点，系统会自动记录新的零点调整值
7. Users can use the hardware zero adjustment button to adjust the hardware zero point, and the system will automatically record the new zero adjustment value
8、不分档测量没有调节零点
8. There is no zero point adjustment for non gear measurement
机械设备从本质上都是一样的，不同部件的协同操作，只有掌握正确的方法，才能使得整个实验过程更加流畅，实验数据也更加准确。以上就是液压万能试验机的注意事项及调零方法的相关介绍，希望可以给您带来帮助。
The mechanical equipment is essentially the same, the cooperative operation of different parts, only by mastering the correct method, can the whole experimental process be smoother and the experimental data more accurate. The above is the notes of hydraulic universal testing machine and the relevant introduction of zero adjustment method, I hope it can bring you help.
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