Repeated use of milling inserts, extending life by 4 times
Zhu De Neng once worked in Ningbo Power Machinery Factory for many years of "mechanical rice". The eight-level lathe was a famous "renovation fan". He was named a provincial labor model as early as 1958. After retiring in 1988, he still insisted on promoting new tools. The most sensation was his new technology of “recycling of carbide milling insertsâ€: re-grinding and re-using disposable milling inserts widely used in the machining industry. The life expectancy can be extended by 4 times. This innovation has also won a gold medal in the "China's cross-strait workers' technology innovation achievements exhibition".
“According to the monthly usage of 50,000 pieces, it can create economic benefits of more than 3 million yuan per year, and it can extend the life of machine tools and save more than 70% of the alloy resources for the country.†In order to promote this technology as soon as possible, Zhu De can ignore the old and the weak. I often travel in enterprises and workshops to provide technical services free of charge.
Impressed by the persistence spirit of the old model workers, in July 2007, the Municipal Economic Commission issued a special document to promote the application of energy-saving technologies for the reuse of milling inserts in the city's machinery processing industry, and to use Ningbo Dahe Electromechanical Co., Ltd. as a promotion and application base.
Developed energy-saving blades, costing 70%
In the second half of last year, the international financial crisis began to impact the manufacturing industry in our city. Zhu De Neng’s “technical defect†enterprise Haitian Group set off a “double increase and double festival†boom with cost reduction. Zhu De Neng also received the task: to overcome the two technical problems of energy-saving CNC milling inserts and repairing tungsten steel end mills before the National Day this year.
Since December last year, Zhu De was able to “bubble†in the workshop almost every day, listening to the opinions of frontline workers and studying tool improvement programs. The first development, due to the grinding angle is not ideal, resulting in cracking of the tool; the second development, although the initial formation, but the processing of the components of the smooth finish; the third development, won the first-line workers' good voice, and finally succeeded.
"The cost of this self-made energy-saving blade is 70% lower than the original." Zhu De was pleased to tell reporters.
As for repairing tungsten steel end mills, it is a fine work. "Even if the accuracy of wearing a hair strand, the end mill of five or six hundred yuan will have to be scrapped." Zhu De can proudly say that with his experience, it took a short time to put this "international The problem of "solution" has been solved, and the cost has been reduced by 90%.
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