| 简介 |
PROBLEM TO BE SOLVED : To make sawing resistance lower than ever before and to improve precision after sawing, in the multiple sawing of a rare earth magnet, and consequently, even when using a multiple sawing grindstone blade that is thin in a blade thickness, to perform high-precision sawing at a high speed, and thereby making the industrial utility value thereof extremely large.
SOLUTION : In a resinous grindstone sawing blade, a plurality of sawing blades, including a sawing blade part on the outer peripheral edge part of a thin disk-like or thin doughnut disk-like base plate, are disposed on a rotary shaft at predetermined intervals along the shaft direction thereof and are rotated to be used when performing the multiple sawing of the rare earth magnet. A material of the sawing blade part contains an abrasive grain and a resin as a binder of the grain, and contains an auxiliary lubricating agent for reducing the friction between the sawing blade part during sawing and a cut object to be cut.
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