How To Improve The Quality of Aluminum Matrix Composite Threading
Aluminum matrix composites have high stiffness, and the material fusion may be uneven during the forging and fusion process, and the force is uneven in the tapping process, which is very easy to cause tap breakage. While reasonably selecting the tool, the back corner of the tool is trimmed accordingly, which can have a good effect on improving the processing quality. See the table below for contraindications during use.
Internal thread surface quality | Description | |
Wrong | New tap& galled thread | If the back corner of the tap is not treated when tapping the thread, the threaded hole is easy to be galled and even cause tool damage. |
Correct | Mold Repair for the Nose Cone&Tail Section | Reasonable grinding of the back corner of the tool can effectively extend the tool life and improve the surface quality of the workpiece 1) The back angle of the tap should be trimmed according to 3°~5°; 2) The processing process must be carried out in the order of the head cone and the second cone; 3) Rationally select the rotation speed and feed in the threading process |
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