Control and elimination <br> <br> 6 corrosion Obviously, using water-soluble cutting fluid, users will shun the machine maintenance and management more efforts to control corrosion, or even substantially eliminate corrosion. In order to prevent the water from corroding the metal surfac
Read more5 Conclusions (1) Casting process CAD According to the actual needs of the factory, the casting process parameter library is established. Combining the experience and using the parameterized drawing book mechanism to establish the inductive riser system library, the core head library, the process s
Read morePrecision ball bearings are widely used in military and civilian products. Due to technical blockades and other reasons, the domestic precision ball bearing market is in short supply, and even in some high-end compact ball bearings, it is in a blank state. How to manufacture high-precision and durab
Read moreFirst, rolling bearing 1. The bearing and the shaft are matched by the base hole, and the bearing and the outer casing are made by the base shaft. The values ​​of bearing dimensional tolerance and rotation accuracy are in accordance with GB 307-84. 2. The journal and the inner hole
Read moreFrom November 28 to 29, 2007, the third executive council of the fourth council of the Chinese Occupational Safety and Health Association and the 2007 academic annual meeting was held in Hangzhou. Director of the State Administration of Work Safety, Party Committee Member of the Central Commission
Read more<br> <br> advantages compared with foreign products, domestic products and foreign products the difference in the structure is not large, the new technology uses almost the same, the biggest difference is the speed of the core transmission parts, precision and reliability, As well as th
Read moreOn September 1, 2007, the appraisal meeting for the development of the "High Temperature Combined Filter Cartridge Dedusting System" of Zhengzhou Jinhao Technology Development Co., Ltd., which was issued and funded by the Zhengzhou High-tech Industrial Development Zone, was successfully
Read moreThe misunderstandings of the understanding of soft body armor are now engaged in the research of human body protection equipment. In contact with users, some inaccurate knowledge of soft body armor is found, and it is proposed to discuss with readers and users. One of the misunderstandings: wearin
Read moreOn November 7, 2007, the Technical Committee of Superhard Materials Branch held a meeting in Zhuhai. The topics of the meeting were two: 1. Discussion and discussion on the 5th Zhengzhou International Superhard Materials and Products to be held from September 5 to 7, 2008. The establishment of th
Read moreLens The lens is a structure that gathers light so that the film can obtain a clear image. Early lenses were composed of a single convex lens. Because of poor resolution, chromatic aberration will occur, and it is gradually improved into a compound lens, that is, a combination of multiple concave
Read moreThe end of the year is approaching, and the annual incidence of theft is high. In recent days, burglary has become a major illness for everyone. ＞＞＞ Case 1 The window was not closed before going to bed Narrator: Xiaoxi (Netizen) At noon, Xiaoxi woke up from his sleep. "Huh,
Read moreHitachi Tools has introduced the "Epoch Deep Radius F", an arc end mill that can process molds with high efficiency and high precision. The end mill has 4 blades, which makes the efficiency more than twice the original tool. The accuracy of the rounded corner R is within ±0.005 mm ba
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