Through the research on the measuring system of the thrusting force of fuel assembly,it is found that the measuring system of the thrusting force of fuel assembly used by the domestic nuclear fuel element company has some shortcomings,such as obsolete equipment,many mechanical faults and the unstable operation of the system,so a new mechanical structure and an improved digital system are designed,and the data automatic reading and the automatic conversion of the measuring base are realized in the practical use of the fuel element plant.All the study shows that,the automatic conversion of the d...