It is indicated that the precise flat Plate, hollow column and clock gauge should be selected properly to satisfy actual requirements for measuring accuracy of oil well pump liners.
This text researches the testing equipment with computer and metal pipe float sensor and SCM, so that it can replace the traditional PT fuel pump test-bed measuring the oil with the glass float.
In order to improve the efficiency of the quality test and control of the head shaft of oilpump, we designed a general measurement apparatus for measuring the diameter of the head shaft.