1. The adsorption capacity of the machine itself is not good, the problem of adsorption and fixation of the whole board is not big, and it can not be adsorbed when processing small materials.

2、生产软件生成的加工路径不合理，应当遵循先切小板再切大板，先切没有连接的地方再切有连接的地方，都是小板要从外边往里面切，遵序的原理就是产品不是依靠本身的吸附力固定住自己，而是靠其它的板材去辅助固定的，注：加工实木的时候尤其要注意材料的纹理。

2. The processing path generated by the production software is unreasonable. It should follow the principle of cutting small plates first and then large plates, cutting the places where there is no connection first and then the places where there is connection. All small plates should be cut from the outside to the inside. The principle of order is that the product is not fixed by its own adsorption force, but by other plates, Note: when processing solid wood, pay special attention to the texture of the material.

3、加工结束后清洁不到位，台面有细小的碎屑造成产品跟地板之间没有有效的接触，漏气影响相对摩擦力造成跑板。

3. After processing, the cleaning is not in place, and there are small debris on the table, resulting in no effective contact between the product and the floor. Air leakage affects the relative friction, resulting in plate running.

4、加工时刀具过切量太大，台面底板加工留下的深浅不一的刀痕，刀痕加工时会漏气，造成材料跟底板之间吸附力小，同时造成接触面小根据单位面积摩擦力公式，摩擦力等于摩擦因数乘以正向压力，接触面积减少，正向压力减小，那么相对应的摩擦力也会随之减小，在开料阻力不变的情况下去，摩擦力小于阻力就会造成跑板。

4. During machining, the tool overcut is too large, and the knife marks with different depths left by the machining of the table bottom plate will leak during the machining, resulting in small adsorption force between the material and the bottom plate and small contact surface. According to the friction formula per unit area, the friction is equal to the friction factor multiplied by the positive pressure, the contact area is reduced and the positive pressure is reduced, Then the corresponding friction will also decrease. When the cutting resistance remains unchanged, the friction less than the resistance will cause plate running.

5、真空泵自身负压力能否达到需要的值，这个可以通过关掉吸附阀门的方式看真空压力表数值，正常单独测试应达到-0.7-1.2。吸附全开也要控制在-0.5以上，太低吸附力不够。

5. Whether the negative pressure of the vacuum pump can reach the required value can be seen by closing the adsorption valve. The value of the vacuum pressure gauge shall reach -0.7-1.2 in normal separate test. The full opening of adsorption should also be controlled above - 0.5, which is too low and the adsorption force is not enough.

6、检查吸附台面与真空泵之间所有的连接处漏气情况，还有底板边缘是否有漏气的情况。单独开关一个吸附区测试吸力怎么样。

6. Check whether there is air leakage at all connections between the adsorption table and the vacuum pump, and whether there is air leakage at the edge of the bottom plate. Open and close an adsorption zone separately to test the suction.

7、如果是在海拔相对较高区域，建议使用功率大一些的真空泵。

7. If it is in a relatively high altitude area, it is recommended to use a higher power vacuum pump.

8、台面的结构是否合理决定真空吸附效果。功率同等的真空泵，不同规格的台面的吸附效果是不同的。

8. Whether the structure of the table is reasonable or not determines the vacuum adsorption effect. With the same power vacuum pump, the adsorption effect of different specifications of table top is different.

9、刀具选择不合理，刀具钝化严重，在成切割阻力大。

9. The tool selection is unreasonable, the tool passivation is serious, and the cutting resistance is large.

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