The head of the China Machine Tool Industry Association told the author that precision machining not only requires the accuracy and stability of the machine tool and the accuracy of the tools and fixtures to ensure it, but also requires precision measuring tools to calibrate and measure. Some are in the process of processing (such as tool setting); some are after-the-fact testing (such as gear measuring instruments).
According to industry experts, taking the wind power industry as an example, the processing and testing of some typical key components in power generation facilities, such as steam turbine blades, rotor wheel grooves, and turbine generator wire slots, represent and reflect to a certain extent A country's excellent cutting technology and the latest achievements and levels of numerically controlled cutting tools, digital measurement technology and measuring instruments have attracted much attention from the tool manufacturing cnc machining industry.
It is gratifying that domestic measuring and measuring instrument manufacturers have increased their investment in the independent development of digital display technology and digital display measuring products in recent years, and have achieved great results. The domestic digital measuring scales have developed from simple bar LCD digital display in the past few years to more complex surface liquid crystal dynamic analog image display. The resolution of the digital caliper capacity grid has developed from 0.01 mm to 0.001 mm. The accuracy and reliability of the measurement Both have improved significantly.The continuously improved waterproof and dustproof function (from IP54 to IP65, which can currently reach IP67) has also strengthened the market competitiveness of domestic digital measuring tools.
In the precision instrument debugging room of the National Precision Tool Engineering Research Center, the staff taps the button, and the car gear fixed on a testing platform rotates quickly. On the computer screen next to it, the numbers are jumping fast.In just over 10 seconds, the measurement results are displayed, and there are measurement values and allowable deviation values next to it, which make it clear at a glance. This research center deputy chief engineer Gang Gang commented on this self-developed rapid detection and sorting machine: Due to the fast detection speed, high degree of automation, and low price, it has met the 100% fast detection of gears implemented by auto manufacturers. Ensure the quality and safety of national cars. This facility fills a gap in the field of domestic automotive gear online inspection and sorting technology.
Precision manufacturing not only requires the accuracy and stability of the machine tool and the accuracy of the tool and fixture to ensure it, but also requires precision measuring tools to calibrate and measure.
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