Objective: To investigate the mechanism of the disease

Test relatively accurate product performance, and provide the basis for product market localization.

matters needing attention:

1. Understand the site conditions, mainly including geology, equipment and instrument quality.

2. Understand the current gear cutting situation in detail, mainly including consumption, price, dosage and cancellation form.

3. You can communicate with customers smoothly, understand their needs, and save customers' visible expenses.

Test method:

1. Interval installation method: there is a rotary digging tooth in the box, and the interval is another one. The customer will put it into our rotary digging tooth and cycle the interval installation test.

2. Side tooth test method, that is, attaching the rotary teeth to both ends of the bit, is mainly used for sand bucket structure bits, that is, putting our rotary teeth on one end of both ends of the bit, and then using the customer's rotary teeth on the other end for test, and this method also performs auxiliary replacement installation test to ensure the accuracy of the results.

3. Comply with the test method, mainly observe the wear condition of the original teeth of the bit, find the matching position of the wear condition, attach our rotary digging teeth and the customer's rotary digging teeth respectively, and then carry out the test.

4. Put on the experimental method, that is to wear all the customers' rotary digging teeth, watch the situation for a while, concentrate on it, and see the time and progress. The consumption quantity is almost the same. But in all cases, the experiment cycle is very long and tiring, and the experiment is more accurate than the first three methods.

5. Repeat test method, that is, repeat test for weathering stratification of rocks in different areas, different facilities. This method is suitable for testing new products with more test data and more accurate results. In addition, it is possible to determine the market price of new products and localization of industrial conditions.