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    • 3. 发明专利
    • Electrodeposition grinding wheel
    • 电沉积轮
    • JP2014140922A
    • 2014-08-07
    • JP2013009986
    • 2013-01-23
    • Toyoda Van Moppes Ltd豊田バンモップス株式会社
    • KITAJIMA MASATOMOROTO TAKAYUKISAKAKIBARA SADAOFUKAMI HAJIMESATO TOSHIHIRO
    • B24D7/00
    • B24D5/10B24D3/08B24D5/16B24D18/0018
    • PROBLEM TO BE SOLVED: To provide an electrodeposition grinding wheel that enables the degree of concentration of abrasive grains to be freely controlled by formation of dimples and that enables a coolant to be effectively supplied to the abrasive grains.SOLUTION: In an electrodeposition grinding wheel 10, a circular abrasive grain layer 14 is formed by fixing abrasive grains 13 of diamond, CBN or the like to the outer periphery and side surface of a peripheral edge of a disk-shaped base 11 by plating. The electrodeposition grinding wheel 10 grinds opposed surfaces of a workpiece. A plurality of dimples 15, to which the abrasive grains are not fixed, are provided at circumferential intervals on the inner peripheral side of the abrasive grain layer. The dimples are opened in only the inner peripheral part of the abrasive grain layer.
    • 要解决的问题:提供一种电沉积砂轮,其能够通过形成凹坑来自由地控制磨粒的浓度,并且使冷却剂能够有效地供应到磨料颗粒。溶液:在电沉积砂轮10 通过将金刚石,CBN等的磨粒13通过电镀固定在圆盘状基座11的周缘的外周侧面侧而形成圆形的磨粒层14。 电沉积砂轮10研磨工件的相对表面。 磨粒不固定的多个凹坑15在磨粒层的内周侧以周向间隔设置。 凹坑仅在磨粒层的内周部分开口。
    • 4. 发明专利
    • Vitrified bond grindstone
    • VITRIFIED BOND GRINDSTONE
    • JP2014018880A
    • 2014-02-03
    • JP2012157172
    • 2012-07-13
    • Toyoda Van Moppes Ltd豊田バンモップス株式会社
    • TAKEHARA HIROSHIIMAIKE HIROSHI
    • B24D3/14B24D3/00B24D3/02
    • B24D3/14
    • PROBLEM TO BE SOLVED: To provide a vitrified bond grindstone capable of suppressing infiltration of vitrified bond into porous ceramic holes by filling a substance which is more fragile than porous ceramic and does not disappear even at firing temperature of the vitrified bond, into the porous ceramic holes, and promoting fracturing of the porous ceramic in grinding.SOLUTION: A super abrasive grain 12 consisting of cubic crystal boron nitride grains or diamond grains and aggregate 14 are contained in vitrified bond 16, the aggregate consists of: porous ceramic 14a; and a substance 14b blocking porous ceramics holes. The substance has a physical property which is more fragile than the porous ceramic and does not disappear at a firing temperature of the vitrified bond.
    • 要解决的问题:提供一种能够通过填充比多孔陶瓷更脆弱的物质并且即使在玻璃化粘结剂的烧成温度下也不消失的物质,能够抑制玻璃化粘结渗透到多孔陶瓷孔中的玻璃化粘结磨石, 并且促进多孔陶瓷在研磨中的压裂。解决方案:在玻璃化结合16中包含由立方晶氮化硼颗粒或金刚石颗粒组成的超级磨粒12和聚集体14,所述聚集体由多孔陶瓷14a组成; 以及阻挡多孔陶瓷孔的物质14b。 该物质具有比多孔陶瓷更脆弱的物理性质,并且在玻璃化键的烧制温度下不消失。
    • 7. 发明专利
    • Abrasive wheel
    • 砂轮
    • JP2007237333A
    • 2007-09-20
    • JP2006062948
    • 2006-03-08
    • Jtekt CorpToyoda Van Moppes Ltd株式会社ジェイテクト豊田バンモップス株式会社
    • KUNIHIRO TAIJIUNNO KUNIHIKOSEKIYA YASUHISATAKEHARA HIROSHISOMA SHINJI
    • B24D5/14B24D5/06
    • PROBLEM TO BE SOLVED: To highly efficiently perform rough grinding the surface of a workpiece and finish grinding it to an ultra highly accurate surface roughness with one piece of abrasive wheel. SOLUTION: The abrasive wheel has an abrasive chip 11 for rough grinding and an abrasive chip 12 for finish grinding different in properties having an abrasive wheel layer bonding abrasive grains. The abrasive chip for rough grinding and the abrasive chip for finish grinding are randomly attached to the outer peripheral surface of a disc-like core 13 as a non-square shape having a curve of a profile shape of these abrasive chips. The displacement amount in the load direction of the grinding surface of the abrasive chip to the load acting on the grinding surface of the abrasive chip toward the inner side of the abrasive wheel is larger in the abrasive chip for finish grinding than the abrasive chip for rough fringing. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了高效地对工件的表面进行粗磨,并用一块砂轮将其精磨成超高精度的表面粗糙度。 解决方案:砂轮具有用于粗磨的研磨片11和用于精加工研磨的研磨片12,其具有粘结磨粒的磨轮层的性能不同。 用于粗磨的研磨片和精磨用研磨片随机地附接到盘状芯13的外周表面,作为具有这些研磨片的轮廓形状的曲线的非方形形状。 研磨片的磨削面的负载方向上的位移量与研磨片的研磨面朝向研磨轮的内侧的载荷的位移量在用于精加工的研磨用芯片中比在粗糙度用研磨片上大 边缘。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Method and apparatus for supplying coolant
    • 供应冷却剂的方法和装置
    • JP2006305675A
    • 2006-11-09
    • JP2005131105
    • 2005-04-28
    • Jtekt CorpToyoda Van Moppes Ltd株式会社ジェイテクト豊田バンモップス株式会社
    • MORITA HIROSHISAKA KIMIHIROYOKOTA SHINICHI
    • B24B55/02
    • B24B55/045
    • PROBLEM TO BE SOLVED: To provide a method and an apparatus for supplying coolant, by which the coolant is sufficiently supplied to grinding points, where the end faces of a grinding wheel grind the end faces of a workpiece, at a low cost and with a simple configuration without being interrupted by an air flow layer accompanied by the rotation of the grinding wheel. SOLUTION: When the end faces Wa, Wb of the workpiece W are ground by the end faces Ga, Gb of the grinding wheel G while supplying the coolant to the grinding points, first coolant flows 24 jetted toward first positions 22 on the upstream side than the grinding points on the end faces of the grinding wheel intercept the air flow layers 28 accompanied by the end faces of the grinding wheel, and second coolant flows 25 jetted toward second positions 23 near the grinding points than the first positions of the end faces of the grinding wheel stick to the end faces of the grinding wheel at the second positions where the accompanied air flow layers have been intercepted by the first coolant flows. As a result, the coolant is sufficiently supplied to the grinding points where the end faces of the grinding wheel grind the end faces of the workpiece. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于供应冷却剂的方法和装置,通过该方法和装置,冷却剂被充分地供给到研磨点,其中砂轮的端面以低成本研磨工件的端面 并且具有简单的构造而不被伴随着砂轮旋转的气流层中断。 解决方案:当将工件W的端面Wa,Wb通过砂轮G的端面Ga,Gb磨削,同时将冷却剂供给到研磨点时,第一冷却剂流24朝向第一位置22喷射 在研磨轮的端面上的研磨点的上游侧与伴随着砂轮的端面的空气流动层28相交,并且第二冷却剂流25朝向磨削点附近的第二位置23喷射, 研磨轮的端面在第二位置处粘附到砂轮的端面,在第二位置处,伴随的空气流动层已被第一冷却剂流阻塞。 结果,将冷却剂充分地供给到研磨点,其中研磨轮的端面磨削工件的端面。 版权所有(C)2007,JPO&INPIT