Tungsten Carbide Hole Boring Cutter’s Structural Improvement (II)

Details: Category: Tungsten Information; Published on Thursday, 06 November 2014 18:35

II. Technology consistency improving

(1) Reducing the surface roughness of the cutting edge and rake face to keep the tool smooth, clean and sharp.

(2) Installing the blade firmly. The toolbar should not stretch too far out of the knife rest to avoid toolbar deformation.

(3) Installing the toolbar straightly incase that the toolbar touch the surface processed.

(4) During tool setting, the tool nose of tungsten carbide hole boring cutter should a little higher than centre of gyration of workpiece (but should be controlled within 2mm) to reduce vibration and breaking edge and avoid that the bottom of boring cutter touch the hole wall and reduce machining precision.

(5) As to machine tools, the spindle clearance should be adjusted to the bearing precision.

After the improvement of tungsten carbide hole boring cutter structure and technology consistency, the vibration is reduced, the tool toughness is improved, and the problems of chatter marks, off-size, deformation etc. are basically avoid, which helps improve the machining quality of thin wall inner hole and its machining efficiency.

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