1) The screen standard of vibrating screen is too long, and the tension screw is not tight;

2）振动筛机张紧安排有问题，张紧板与筛机不配套、张紧板磨薄或变形；

2) There is a problem in the tension arrangement of the vibrating screen, the tension plate is not matched with the screen, and the tension plate is worn thin or deformed;

3）振动筛的筛网的弯边形状及标准与张紧板不配套；

3) The bending shape and standard of the screen mesh of the vibrating screen are not matched with the tensioning plate;

4）振动筛筛体焊接开裂引起筛体规划性损坏，或是橡胶垫条磨损或有空当；

4) The welding crack of the screen body of the vibrating screen causes the planned damage of the screen body, or the rubber pad is worn or empty;

5）振动筛筛箱支撑条低于筛网，即支撑条和筛网有肯定间隔；

5) The support strip of the vibrating screen box is lower than the screen, that is, there is a certain interval between the support strip and the screen;

6）振动筛机的四处弹簧刚度不均匀，振幅过大。

6) The stiffness of the four springs of the shaker is uneven and the amplitude is too large.

一般，当石磨面粉加工设备筛网没有拉紧或拉不紧的状态下，构成的筛箱支撑条与筛网间发生了二次振动，继而产生了互相碰击，会导致构成的筛网呈直线状有规则的开裂状态。

Generally, when the screen of the stone flour processing equipment is not tight or not tight, the secondary vibration occurs between the screen box support bar and the screen, and then mutual collision occurs, which will lead to the linear and regular cracking state of the screen.

我国石磨面粉加工设备因其不断改善的质量，逐渐优化的产品结构和科技水平的大力支持已经越来越能够满足石磨加工行业的需求。在此基础上，企业要深耕现有的产品，提高产品的整体质量，在可靠性和技术升级方面下工夫，方能站稳阵脚，将食品机械国产化，使石磨面粉加工设备在国际市场闯出一片天地。

With the continuous improvement of the quality, the gradual optimization of the product structure and the strong support of the level of science and technology, China's stone milling flour processing equipment has been able to meet the needs of the stone milling industry. On this basis, the enterprises should deeply cultivate the existing products, improve the overall quality of the products, and work hard in terms of reliability and technology upgrading, so that they can stand firm and make the food machinery localized, so as to make China's stone flour processing equipment break into a world in the international market.

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