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What Points Should Be Noted in Designing Non-standard Milling Cutters
2026-01-05
All types of cutting tools required in machining have corresponding models and specifications, which define the tool's mounting method, geometric dimensions, tool angles and other parameters. However, when manufacturing some special parts, general-purpose tools fail to meet production needs. Tools customized with mounting methods, geometric dimensions, tool angles different from those of general-purpose tools are defined as non-standard cutting tools. Taihao Machinery focuses on rotary centers, lead screws, shaft machining, CNC lathe machining, tool holders & arbors, and collet extensions as its core products. In milling processes, we often encounter situations where standard tools cannot complete the machining tasks. Therefore, the production of non-standard milling cutters is of great significance to mechanical milling operations.
Non-standard tools are mostly used as end mills in metal milling applications. Since standard tools are manufactured for cutting large quantities of common metal or non-metal workpieces for universal purposes, they cannot meet machining requirements when dealing with workpieces featuring extremely complex surface geometries or workpieces that demand low surface roughness.
Thus, targeted designs and custom manufacturing are required for the tool material, edge geometry and geometric angles during machining. For dimensional issues, a standard tool with dimensions close to the required ones can be selected and re-ground to solve the problem, but two points need attention: first, the dimensional deviation should not be excessive—an overly large deviation will alter the tool's groove profile, directly affecting chip accommodation space and geometric angles. In addition, customers ordering non-standard milling cutters should provide relevant information including drawings, workpiece materials and equipment to be used, which helps to provide more suitable milling cutters.
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