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    • 96. 发明公开
    • Grinding machine and grinding method
    • Schleifmaschine und Schleifverfahren
    • EP2108480A1
    • 2009-10-14
    • EP09157716.3
    • 2009-04-09
    • JTEKT CORPORATION
    • Mizutani, YoshihiroMorita, HiroshiKobayashi, Yuuta
    • B24B5/42B24B19/12B24D5/06B24D5/10
    • B24B5/42B24B19/12B24D5/06B24D5/10
    • A grinding machine is provided with first and second grinding wheels selectively used in dependence on the steps of machining operations. The second grinding wheel is grooved so that at least one oblique groove vertically crosses a contact surface on which a grinding surface of the second grinding wheel contacts with a workpiece, and thus, is capable of releasing a dynamic pressure in coolant generated between the grinding surface and the workpiece since coolant supplied from over the contact surface flows out from both of the upper and lower sides of the contact surface through the at least one oblique groove. Since it does not occur that fluctuations in the dynamic pressure generated in coolant cause the distance between the second grinding wheel and the workpiece to be varied, the accuracy in grinding the workpiece with the second grinding wheel can be enhanced.
    • 磨床设置有根据加工操作步骤选择性地使用的第一和第二砂轮。 第二砂轮是开槽的,使得至少一个斜槽垂直地穿过第二砂轮的磨削表面与工件接触的接触表面,因此能够释放在研磨表面之间产生的冷却剂中的动态压力 并且由于从接触表面上方供应的冷却剂通过至少一个斜槽从接触表面的上侧和下侧流出,所以工件。 由于不会发生冷却液中产生的动态压力的波动导致第二砂轮与工件之间的距离变化,所以可以提高用第二砂轮研磨工件的精度。
    • 99. 发明公开
    • Diamond cutting blades and discs
    • DiamantTrennblätterund -Scheiben
    • EP1690634A2
    • 2006-08-16
    • EP06001486.7
    • 2006-01-25
    • Benvenuto, Silvano
    • Benvenuto, Silvano
    • B24D7/06B24D5/06
    • B28D1/122B24D5/06B24D7/066B28D1/128
    • The finding regards diamond cutting blades and discs, to be employed in the field of working stone such as granite, marble, limestone, basalt, lava stone, tufa, slate, sandstone, travertine and the like; the cutting of these materials occurs by means of the diamond tools (1) which, with the rubbing on the stone and due to abrasion, realises the required cut. Such blades and discs are characterised in that the diamond segments (3) composing the so-called "teeth" are attached in removable manner on the support (2), whether this is composed of a laminar body or a steel disc.
    • 该发现涉及金刚石切割刀片和盘片,用于工作石材领域,如花岗岩,大理石,石灰石,玄武岩,熔岩石,陶器,石板,砂岩,石灰华等; 这些材料的切割通过金刚石工具(1)发生,金刚石工具(1)通过在石头上摩擦并由于磨损而实现所需的切割。 这样的刀片和盘的特征在于,构成所谓的“齿”的金刚石段(3)以可拆卸的方式附接在支撑件(2)上,无论这是由层状体还是由钢盘构成。