Integrated high-precision water passing motorized spindle structure
A high-precision, hydroelectric technology, applied in electrical components, electromechanical devices, electric components, etc., can solve the problems of large radial runout of the drill bit, low drilling accuracy, water leakage, etc., to ensure radial accuracy, drilling High precision and good leak-proof effect
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[0014] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings, but the present invention is not limited.
[0015] figure 1 It shows an integrated high-precision water-through electric spindle structure, including motor shaft 1, motor front-end bearing 2, motor rotor 3, motor rear-end bearing 4, drill bit 5, rotary joint 6 and water pipe 7, and motor shaft 1 passes through the Through the motor front end bearing 2, the motor rotor 3, the motor rear end bearing 4 and both ends stretch out, the drill bit 5 is provided with an axial through hole and is connected with the front end of the motor shaft 1, and the rotary joint 6 is provided with an axial through hole, one end of which is connected to the front end of the motor shaft 1. The motor shaft 1 rear end is connected, and its other end is connected with the water pipe 7 in rotation. The motor shaft 1 is provided with an axial through hole and communicates...
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