The influence of the front angle of the thread broach on measuring the half angle and the correction

The measurement of threaded tools is well discussed in various materials, but there are not many tools for measuring large helix angles and large rake angles. Below we introduce the measurement methods used for such tools. The broaching tap is a high-productivity internal threading tool that is suitable for machining square and trapezoidal internal threads. In order to sharpen the cutting edge during the machining process, the windings are easy. Generally, the rake angle of the broaching tap is large, and the commonly used ones are 10°-20° and 20°-25°.

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