The meeting was hosted by Zhang Sen, Honorary President of Henan Nonferrous Metals Industry Association and Chairman of Henan Nonferrous Metals Society. Xiao Qunlan, deputy director of the Standing Committee of Sanmenxia Municipal People's Congress, Zhang Litang, vice chairman of the CPPCC, Song Yue, member of the municipal party committee, Sha Hui, director of the High Technology Industry Division of the Henan Provincial Department of Industry and Information Technology, and Liu Yingfeng, director of the High and Industry Development Department of the Henan Provincial Science and Technology Department attended the seminar. meeting.
Zhang Sen gave the opening speech of the conference. Sha Hui and Liu Yingfeng introduced the relevant policies on the development of non-ferrous metal new materials industry in Henan Province.
Guan Shaokang, Executive Vice President of Zhengzhou University, Li Yaomin, Professor of Luoyang Nonferrous Metals Processing Design and Research Institute, Zhang Jinli, Executive Deputy Director of the Precision Copper Tube Engineering Research Center of the Chinese Academy of Sciences, Song Kexing, Associate Dean of School of Materials, Henan University of Science and Technology, and Li Qingkui, Professor of School of Materials, Zhengzhou University And six experts from Zhengzhou University School of Materials, Zhao Hongliang and other experts gave special reports at the meeting, introducing the development situation, trend and future development of the non-ferrous metal new materials industry in our province.
Participants also watched the propaganda film of Sanmenxia Industrial Cluster District, listened to the introduction of the project in the district, and visited the related enterprises in Sanmenxia Industrial Cluster.
The meeting conducted in-depth exchanges on the status quo, technology, technology and development of new materials for non-ferrous metals. The experts and business representatives from the meeting held a discussion and conducted in-depth discussions. He also reached an agreement on the development of a new material development plan for non-ferrous metals in Henan Province and the establishment of a strategic alliance for non-ferrous metals in Henan Province.
Forstner bits, flat-bottomed to drill holes in wood materials, they can cut on the edge of a block of wood, and can cut overlapping holes; for such applications they are normally used in drill presses or lathes rather than in hand-held electric drills. Because of the flat bottom of the hole, they are useful for drilling through veneer already glued to add an inlay.
The bit includes a center point which guides it throughout the cut (and incidentally spoils the otherwise flat bottom of the hole). The cylindrical cutter around the perimeter shears the wood fibers at the edge of the bore, and also helps guide the bit into the material more precisely.
Forstner bits have radial cutting edges to plane off the material at the bottom of the hole. The bits shown in the images have two radial edges; other designs may have more. Forstner bits have no mechanism to clear chips from the hole, and therefore must be pulled out periodically.
Forstner Bits,bosch forstner bits,colt forstner bits
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