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Why are there holes and T-slots on the working surface of the boring machine table？
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The work platform of the boring machine will punch holes and T-slots during processing. The T-slots are used to fix the workpiece, and the hole is used to clean the iron chips generated during the hole processing. Standard twist drills are generally used for drilling, and the drill bit will become dull after more use.
cast iron boring machine table
In rough grinding, the lower part of the back usually touches the grinding wheel first, and the left hand swing is sharpened. For fine grinding, the cutting edge usually touches the grinding wheel first, then left hand lower swing is sharpened. Moreover, the grinding volume is small and the sharpening time is short. During the sharpening process, the correctness and symmetry of the angle should be checked at any time, and the drill should be immersed in water to cool it at any time to avoid annealing.
Place the main cutting edge and the center plane of the grinding wheel in a horizontal plane, and make the angle between the axis of the drill bit and the generatrix of the cylindrical surface of the grinding wheel 60 degrees in the horizontal plane, and hold the drill handle with your left hand to swing up and down. The purpose of the drill bit rotation is to grind the entire back, swing up and down to grind different angles, the movements of the two hands are stable and consistent, swing up and down while rotating, after grinding one main cutting edge, flip 180 degrees to grind the other main cutting edge cutting edge.
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