Measuring instruments are indispensable basic instruments in scientific research experiments and play a decisive role in the critical period of the transition of China's national economy from a rapid growth to a qualitative growth. It can be said that scientific research will not have such comprehensive and accurate test data support without these seemingly insignificant basic measurement instruments escorting.
At present, precision measurement instruments are gradually being developed in the direction of automation, intelligence, and integration. The extensive use of precision measuring instruments has also brought great convenience to scientific research, chemical engineering, and life sciences. At the same time, taking into account the specificity of the development of various industries, specialized precision instruments developed specifically for the industry has gradually entered the people's attention, becoming the only way to solve the high-precision problems of various products in the industry.
Development history of domestic hardness tester industry
Domestic hardness tester is based on this development. For a long period of time in the past, there was no concept of hardness testing in China. Only the most experienced and experienced masters used the most primitive methods of seeing sparks or listening to metal impact sounds to estimate the hardness of materials. Until the 1960s and 70s of the 20th century, only a few state-owned manufacturers of hardness scales appeared in the country. However, these hardness testers can only manufacture some of the most basic low-end hardness scales.
After the reform and opening up, especially with the rapid development of modern industrial technology, a number of private hardness tester manufacturers have emerged in China and quickly occupied the domestic market. The production and variety of hardness testers have developed rapidly. At present, major breakthroughs have been made in the measurement, control, and computer application technologies of hardness testers in China. The technical indicators of some hardness testers have reached the level of similar international hardness testers. With the development of digital signal processing technology, the dynamic hardness tester's technical level has been greatly improved.
Market demand for domestic hardness testers is strong but still needs to be upgraded
In China's measurement market, due to cost and economic considerations, many domestic companies have chosen domestic hardness testers, which has brought good opportunities for the development of the domestic hardness test manufacturing industry. However, with the development of digital signal processing technology, the dynamic hardness tester's technical level has greatly improved, and the domestic hardness tester industry still suffers from problems such as decentralized production patterns, low concentration, and outstanding product structural contradictions. In addition, some hardness tester manufacturers invest less in research and development, and the means of research and development are relatively backward. The quality, repeatability, and stability of the manufactured hardness tester are poor, and the test software function is low.
On the other hand, many domestic SMEs have fierce competition for homogeneity. Generally, small businesses can only simplify the process, shoddy the production costs, and cannot guarantee product quality. For excellent companies, they are in a state of tight funding for a long time. Enterprises do not have enough funds to invest in R&D. The quality and technology of products cannot be broken, and they cannot compete with foreign brands, and eventually make the majority of users become victims of disorderly competition.
In view of this, the domestic hardness test industry is in urgent need of transformation and upgrading, upgrading professional core technology innovation and automation, and intelligentization, accelerating the pace of the formation of the leader in the hardness tester industry, and perfecting the standards related to the field of hardness testing. This will inevitably lead to the cooperation between the country’s policy support and scientific research companies. For a long period of time, the domestic market has only carried out metrological verification on the hardness measurement value, indentation size, etc., but almost no evaluation test on the hardness test measurement software. With all-digital measurement and control technology gradually becoming the mainstream of the hardness tester technology, the evaluation of the hardness test software still needs attention, so as to promote the improvement of the design level of the domestic hardness test software.
It is hoped that the hardness tester in the future will be able to remotely control and complete the entire hardness test process through a software platform such as a mobile phone or a computer. It will receive the test command of the upper computer → automatically complete the head replacement and switch test according to the instructions. Parameter configuration → The robot will automatically test the sample according to the instructions. Passed or correctly placed on the hardness tester's automatic stage → The hardness tester automatically completes the single- or multi-point loading, retention, unloading, indentation measurement and other test processes → Upload and save test results → Analysis of test data → Manipulator follows test The results are acceptable to the residual samples were placed in a different sample collection device → data sharing and report printing. In addition, it can achieve remote upgrade of hardness test software, equipment fault diagnosis and other functions.
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