Indexable and variable-cutting-width milling cutter for blisk high-efficiency machining
An integral blisk and high-efficiency technology, applied in milling cutters, metal processing equipment, manufacturing tools, etc., can solve the problems of fixed cutting width, increased chip space, and low cutting efficiency, and achieve reduced machining accuracy and simple positioning Accurate, the effect of reducing processing costs
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[0023] Specific implementation mode 1: Combination Figure 1-Figure 7 Explain that an indexable variable cutting width milling cutter for efficient processing of integral blisks includes a cutter body 1, a center bush 2, a cutter body heat dissipation groove 3, a key groove 5 and a plurality of blades 7, and the outer circumferential surface of the cutter body There are a number of chip grooves 6, threaded holes 8, positioning grooves 9, knife grooves 10, and gaskets 14 evenly distributed on the blade. The blade 7 has a chip groove 13 and a fastening screw hole 11 in the center. Convex 12.
Example Embodiment
[0024] Specific implementation manner two: such as figure 1 with image 3 As shown, the cutter body 1 needs to have high rigidity and shock resistance, so that it can meet the working conditions of large cutting amount. The cutter body material is determined to be 42CrMo; the cutter body 1 is designed with a center bushing 2 in the center. The keyway 5 exists in pairs, and the circumferential positioning is performed through the keyway 5, which can effectively avoid damage to the tool due to uneven force and excessive torque during the machining process.
Example Embodiment
[0025] Specific implementation manner three: such as image 3 with Figure 5 As shown, the spacer 14 has a variable cutting width structure. When the blade 7 is offset by 1 mm, that is, the single-sided variable cutting width is increased by 1 mm, so as to realize the variable cutting width of the tool, and the single-sided variable cutting width is 1- 2mm, the processing of the groove width in the range of 18mm-22mm can be realized, and the gasket 14 is provided with internal threads, which has high installation accuracy, simple and flexible operation, and good economy.
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