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FIXING METHOD AND FIXING STRUCTURE FOR FIXING A COIL INSULATOR, STATOR USING THE SAME AND ROTATING ELECTRICAL MACHINE USING THE SAME
FIXING METHOD AND FIXING STRUCTURE FOR FIXING A COIL INSULATOR, STATOR USING THE SAME AND ROTATING ELECTRICAL MACHINE USING THE SAME
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机译:固定线圈绝缘子的固定方法和固定结构,使用相同的定子,使用相同的旋转电机
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摘要
A fixing method for fixing a coil insulator which is provided between a stator core 5 including a back yoke 7 and a plurality of teeth 8 projecting in the radial direction from the back yoke 7, and a coil 6 wound around the stator core 5, to the stator core 5, includes preparing the stator core 5 in which a fixing hole 11 is formed corresponding to a respective one of the teeth 8, on an end face in the axial direction of the back yoke 7, and preparing a plurality of coil insulators 12 which include each a main body 14 composed of a heat-softenable insulating material and arranged on the circumference of a respective one of the teeth 8, and a fixing portion 20 which is projected in the radial direction from the main body 14 and covers the fixing hole 11. Each coil insulator 12 is arranged on the circumference of a respective one of the teeth 8 by fitting thereto. By softening the fixing portion 20 by heating to bring part of the insulating material into the fixing hole 11 and then hardening the fixing portion 20, a projection 22 for fixing the coil insulator 12 to the stator core 5 is formed.
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