Let's start from here! 【Basics of Deep Engraving Processing Technology】 About Tool Deflection
To improve the precision of NC machining, "control of tool deflection and bending" is crucial! What kind of problems are occurring in actual machining sites?
The left image shows a case where "gouging" occurred on a ribbed wall shape, which is an example of a machining problem. The cause was that "the tool tip bent significantly due to cutting resistance" during rough machining. In contour path machining, when entering a solid ribbed shape, the tool tip experiences the greatest cutting resistance. However, if the groove width is narrow, the tool tip may bend and gouge into the wall. The amount of tool deflection varies significantly not only with the magnitude of cutting resistance but also with the tool's overhang length. If the overhang length doubles, the deflection increases by a factor of eight, proportional to the cube. Additionally, the deflection amount also changes with the tool diameter. It is inversely proportional to the fourth power, so the deflection of a tool with a diameter of Φ8 is about 2.4 times that of a tool with a diameter of Φ10 (assuming the same overhang length). Therefore, when machining with small diameter tools (Φ4 or less), using pencil neck tools and considering "rigidity in tool selection" is particularly important for stable cutting operations. For more details, please refer to the PDF document. If you have any questions, please feel free to contact us.
- Company：オーエスジー株式会社グループ
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