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1. 发明专利

JPH0192067A MULTILAYERED TYPE DIAMOND ROTARY DRESSER 失效
公开(公告)号：JPH0192067A
公开(公告)日：1989-04-11
申请号：JP24421187
申请日：1987-09-30
申请人： TOYODA VAN MOPPES LTD
发明人： NAGURA TAMOTSU
IPC分类号： B24B53/14
摘要： PURPOSE:To permit a dresser member to be partially replaced according to the degree of abrasion by dividing the outer peripheral part of a dresser into a plurality of dresser members in the axial direction and dividing each dresser member into that for rough dressing and finishing dressing and combining these dresser members into a multilayered form. CONSTITUTION:In the dressing of a grinding wheel G, the diamond abrasive grains 1b of a dresser member 3 for rough dressing which are positioned at the top edge advance so as to pulverize the abrasive grains 5 on the grinding wheel G side, and when the diamond abrasive grains 1a of the dresser member 2 for finishing dressing which are positioned at the center advance, smoothing the abrasive grains 2 on the grinding wheel G side, and dressing is performed. When the abrasion on the dresser member 3 for rough dressing proceeds because of the use for a long period, a tightening bolt 4 is demounted, and the worn-out dresser member 3 for rough dressing is demounted from the dresser member 2 for finishing dressing, and replacement with a new dresser member 3 for rough dressing is performed, and dressing at the grinding wheel G is carried out succeedingly.

2. 发明专利

JPH0197566A MULTILAYER TYPE DIAMOND ROTARY DRESSER 失效
公开(公告)号：JPH0197566A
公开(公告)日：1989-04-17
申请号：JP25068987
申请日：1987-10-06
申请人： TOYODA VAN MOPPES LTD
发明人： SUZUKI KENJI , NAGURA TAMOTSU
IPC分类号： B24B53/14
摘要： PURPOSE:To enable partial exchange of a part where wear is progressed, by a method wherein the outer periphery part of a dresser is axially divided, dresser members are classified into a dresser member for rough dressing and a dresser member for finish dressing, and the dresser members are combined together in a multilayer manner. CONSTITUTION:When a grinding stone G is dressed as a dresser D is traversed in an axial direction A, dressing is effected in a way that the dresser is progressed in a manner that diamond grinding grains 1b of a dresser member 3 for rough dressing crush grinding grains 5 on the grinding stone G side and diamond grains 1a of a dresser member 2 for finish dressing smooth the grains 5 on the crushed grinding stone G side. Dressing of the grinding stone G is affected in a manner described above, and when wear of the dresser member 3 for rough dressing is progressed due to the use for a long time, a fastening bolt 4 is unfastened, the existing dresser member 3 for rough dressing is removed from the dresser member 2 for finish dressing and is replaced with a new dress member, and dressing is performed in succession.

3. 发明专利

JPS614668A DRESSER AND ITS MANUFACTURING METHOD 失效
公开(公告)号：JPS614668A
公开(公告)日：1986-01-10
申请号：JP12233884
申请日：1984-06-14
申请人： TOYODA VAN MOPPES LTD
发明人： SUZUKI KENJI , NAGURA TAMOTSU , YANO NAGAYUKI
IPC分类号： B24B53/14 , B24B53/12
摘要： PURPOSE:To make highly accurate dressing at an acute angle and accuracy retension attainable, by depositing rectangular sectional abrasive grains of a top side angle each being smaller than that of a furrowlike convex section alternately on both sides on the top of a furrowlike projecting part. CONSTITUTION:In each of abrasive grains, an angle at the side of a top part 14a is formed into an acute angle being smaller than that at the side of a top part 12a of a furrowlike convex part 12 of a dresser body 11, and height from the top part 14a is formed to be higher than that from the tip part 12a of the furrowlike convex part 12. In addition, a bae part 14b and a side part 14c are set up in the convex part 12 in the state that they are embedded in the furrowlike convex part 12, while another side 14d is exposed alternately to each of sides 12b and 12c, and the tip part 14a is situated on the top part 12a. Therefore, dressing for a grinding wheel is accurately performable at an acute angle and in addition, since the base part 14b of each abrasive grain 14 and the side part 14c are embedded in the furrowlike convex part 12, holding force of each abrasive grain is large enough, whereby a drop of each abrasive grain is kept back and the specified dressing accuracy is maintainable for a long time.

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