In the past year, in the face of fierce market competition, the institute has actively created a "weapon" to continuously consolidate and expand the domestic and international markets.
In order to stabilize and expand the domestic market, the Institute adheres to a multi-pronged approach that users want and users need. In response to the demand for screwdriving sand pumps in Jilin Oilfield and the special well conditions and special requirements of high-pressure subdivision water injection in Xinjiang Oilfield, the research institute actively took the initiative to communicate with Party A and discussed technical improvement programs. It has tackled and improved the large displacement Stratified water injection, sand control screw pump 5 technologies. The improvement of these technologies not only meets the urgent need of Party A, but also upgrades the technical level of the institute and the rapid increase of new technical service projects. The institute successively promoted 6 oil production plants in Jilin Oilfield, applied more than 400 sets of screw pumps and supporting tools and accumulated a total output value of over 1,800,000 yuan, thus stabilizing the eastern oilfield market. At the same time, in order to expand the western oilfield market, the institute has successively organized and promoted the application and promotion of the screw pump production technology in Qinghai, Changqing, Xinjiang and Yumen oil fields and successfully marched into the offshore oilfield market, Displacement of water injection to provide technical services.
In order to expand and nurture the international market, the Institute has done its best in the existing markets and has studied in depth the new needs in the international market and consolidated and expanded its market share. This year, when I learned that the oilfield needs to be tested for oil well pressure in the oilfield development of the Aden oilfield in Kazakhstan, conventional screw pumps do not have the test function, and eccentric test screw pump technology can solve this problem, the institute seized the opportunity to vigorously promote "Screw pump supporting technology." After many exchanges, Party A quickly selected the technology. In the meantime, the institute also signed supply contracts with Sudan for 10 sets of screw pumps and their spare parts, and all of them have been shipped to the Sudan VI Oilfield recently. Afterwards, the technical staff of the institute will go to the local area for technical services.
High Precision Machining is defined as a process of changing the dimensions or the performance of workpiece with machining facilities.
According to the temperature of the workpiece while in machining, high precision machining can be divided into cold working and hot working. Usually, machining under indoor temperature, and won't change cause chemical change or phisical phase change is named cold working. On the other hand, if under temperature, higher or lower than room temperature, which will lead to chemical changes or phase changes, it will be called as hot working.
For high precision machining, the machining tolerance can be up to 0.0001-0.001mm, the surface finish Ra can be 0.02-0.1um.
Machining precision is to describe the actual geometrical parameter of the part after machining, such as the size, the form, the position, comparing with the theoretical geometry parameter. The difference from these two parameters is the machining tolerance. The number of the difference show the machining accuracy, the bigger, the lower of the machining precision, the smaller, the higher machining precision.
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