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公开(公告)号：US20190039211A1
公开(公告)日：2019-02-07
申请号：US16076859
申请日：2016-11-28
Applicant: A.L.M.T. Corp.
Inventor： Nobuhide Nakamura
Abstract: A super-abrasive grinding wheel includes a core and a super-abrasive grain layer provided on a surface of the core, the super-abrasive grain layer including diamond abrasive grains and CBN abrasive grains, the diamond abrasive grains and the CBN abrasive grains being fixed to the core in a single layer by a binder.
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公开(公告)号：US11123841B2
公开(公告)日：2021-09-21
申请号：US16099542
申请日：2017-04-06
Applicant: A.L.M.T. Corp.
Inventor： Nobuhide Nakamura
Abstract: A super-abrasive grinding wheel includes a core and a super-abrasive grain layer provided on a surface of the core, the super-abrasive grain layer including diamond abrasive grains and CBN abrasive grains, the diamond abrasive grains and the CBN abrasive grains being fixed to the core in a single layer by a binder. The diamond abrasive grains and the CBN abrasive grains have projecting tips acting on a workpiece, the projecting tips having a variation in height of 10 μm or less, the diamond abrasive grains having their projecting tips with irregularities of 0.1 μm or more in height.
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公开(公告)号：US20190217443A1
公开(公告)日：2019-07-18
申请号：US16099542
申请日：2017-04-06
Applicant: A.L.M.T. Corp.
Inventor： Nobuhide Nakamura
Abstract: A super-abrasive grinding wheel includes a core and a super-abrasive grain layer provided on a surface of the core, the super-abrasive grain layer including diamond abrasive grains and CBN abrasive grains, the diamond abrasive grains and the CBN abrasive grains being fixed to the core in a single layer by a binder. The diamond abrasive grains and the CBN abrasive grains have projecting tips acting on a workpiece, the projecting tips having a variation in height of 10 μm or less, the diamond abrasive grains having their projecting tips with irregularities of 0.1 μm or more in height.
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