无心磨床加工的磨削缺分析（Analysis of grinding loss in centerless grinding machine）.docVIP

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无心磨床加工的磨削缺分析（Analysis of grinding loss in centerless grinding machine）.doc

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无心磨床加工的磨削缺分析（Analysis of grinding loss in centerless grinding machine）

无心磨床加工的磨削缺分析（Analysis of grinding loss in centerless grinding machine） 1. spiral grinding surface. _) u PQ; `0 `3 V\G! A workpiece that is rotated and forms a spiral cut through the grinding area. There are five reasons: (1) the outer end of the grinding wheel is convex. The elimination method is that when the grinding wheel is trimmed, this outer convex should be trimmed a little more. (2) the pallet has crashed to produce sharp edges or is not only a rough surface. The way to remove it is by grinding the pallet or replacing the pallet. (3) the export of the workpiece and the improper speed of feeding. At this time, the speed of the export and the feed roller should be adjusted properly so that the workpiece can be fed and exported, and the speed and the grinding area will be consistent. (4) the uneven hardness of the grinding wheel leads to uneven threshing of the grinding wheel. A new grinding wheel must be replaced at this time. (5) the relative position of the axes of the grinding wheel and the guide wheel is biased. Must be re - searched as required. S\ p/ ~7 _g/ R3 Y 2. surface vibration lines; N5, L; O) W% n The vibration of the machine tool or the vibration of the workpiece during the grinding process results in the vibration of the surface of the workpiece. There are seven reasons: (1) the grinding wheel or other parts are unbalanced, and the clamping of the grinding wheel is not correct, so that the machine vibrates when the wheel rotates. At this point, the grinding wheel and the pinch plate shall be re balanced. The correct grinding wheel clamping method shall be used when the grinding wheel is installed. (2) the vibration of other machine tools or vehicles shall be transmitted to the machine tools. At this time, the machine tools shall be kept away from these vibration sources or dug into the anti vibration ditch to isolate and weaken the incoming vibrations. (3) the center of the workpiece is too high, the grinding wheel presses the workpiece to the s