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METHOD FOR PREVENTING CHATTERING MARKS BY ON-LINE ROLL GRINDER
METHOD FOR PREVENTING CHATTERING MARKS BY ON-LINE ROLL GRINDER
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机译:在线轧辊磨削机防止刻痕的方法
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摘要
PURPOSE: A method for preventing chattering marks by an on-line roll grinder is provided in which the surface of the replaced brand new weels is polished and the grinding conditions are periodically changed so that the chattering marks of the surface of the roll generated caused by the resonance generated as the oscillation frequencies generated by the abrasion of an irregular weel being conformable with the oscillation frequencies of the roll surface are prevented after replacing the weel with a brand new weel according to the termination of the life cycle of a weel grinding the surface of a roll. CONSTITUTION: In a method for preventing chattering marks generated during the grinding of the surface of a roll (4) using a weel (2) of an on-line roll grinder, the method comprises the steps of polishing adjusting step in which up to 3 to 5% of the available length of the weel is grinded by contacting the weel (2) with the roll rotated in a certain rotational speed so that the surface of the newly replaced brand new weel (2) is stabilized; and variable grinding step grinding the surface of the roll (4) with a speed changeable grinding in which the rotational speed of the weel (2) is periodically changed and a pressure changeable grinding in which the pressure of the pressing part of the weel (2) is periodically changed.
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