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Sichuan Xichang's Machinery Factory, when I am milling the straight-toothed conical wheel, I usually use the traditional = knife method. The knife used is also the national standard three-knife disk milling machine produced by the manufacturer. When machining a straight-toothed bevel gear by a knife method, after finding the workpiece depth and T to the cutting depth of the tooth, it is necessary to offset left and right, and the excess part of the big end is milled to meet the thickness requirement of the tooth. Such a method of adding force is not only time-consuming and it is not easy to guarantee the center of the tooth. It is said that the tooth may be reversed, especially for the operator of the beginner milling machine, it is difficult to master the milling of the left and right offset, and the waste is prone to occur; The force forming method of the shape milling cutter, although ensuring the center of the workpiece, does not appear to be reversed, saves the processing time T but it increases the cutting depth of the r-groove without being welcomed by the user, and also makes some techniques The water personnel have a negative attitude. Under such circumstances, we have proposed a disc-shaped milling cutter that develops a straight-to-shoulder bevel gear.
After a year of research and development, I finally created a one-knife disk-shaped milling force, and applied it to the inferior practice, adding x-large 宵 meat bevel gear ==80 to the outer unit, processing to the tooth After the depth of cut, the large end and small end tooth thickness of the segment are all required to the tooth thickness. It is assembled with the meshed small conical wheel. The meshing of the straight bevel gear is satisfactory, and the meshing surface of the concrete is more than 85%. , achieved the effect we expected, its transmission is unstable, the engagement surface is large, the 90. meshing angle of the bevel gear also meets the requirements. The tooth profile of the straight bevel gear knives is the same. The three-knife disc cutter has been improved on the basis of the tooth profile, which retains the tooth profile and advantages of the three-blade disc cutter and eliminates the deficiencies. When developing the knives disc cutter, we changed the data of the knives of the knives and the increase of the thickness of the r-knife disc cutters, and obtained a new, advanced and versatile knife method. Disc cutter, and it retains the accuracy of the three-knife disc milling and the equivalent range of the one-knife disc cutter plus the straight-toothed conical wheel and the w-shaped gradual line, different The cutting angle and depth of cut required for the disc-shaped milling cutter plus the t-piece are changed. It is a three-knife disc cutter plus a small cutting depth and a cutting depth. With a force disc cutter and a butyl case, only the center of the piece is found, and the cutting depth of the dicing to the tooth groove can reach the big end and the small end of the tooth, and the left and right offsets are not required. Milling, so as to ensure that the pieces of the heart, not to appear inverted teeth. Not only for the small and medium-sized enterprises milling machine plus the inner cone should bring a wide range of force, but also to the cutting tool r home to create a force disk milling.
For the convenience, they can produce a knife-shaped disc cutter without changing the production method of the existing production=knife-type disc cutter.
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