An air-floating electric spindle with speed measuring function

An electric spindle and functional technology, applied in manufacturing tools, measuring/indicating equipment, large fixed members, etc., can solve the problem that the performance of the air-floating shaft core is difficult to meet the high standard requirements, the measurement of the electric spindle is more difficult, and the power cannot meet the requirements. and other problems, to achieve the effect of reasonable design of air flotation air path, good heat dissipation effect and high rotational stability
CN106563818BActive Publication Date: 2018-05-01GUANGZHOU HAOZHI ELECTROMECHANICAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUANGZHOU HAOZHI ELECTROMECHANICAL
Publication Date
2018-05-01

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Abstract

The invention discloses an air bearing spindle with a speed measurement function. The air bearing spindle with the speed measurement function comprises a body, a spindle core assembly, a power assembly, an aluminum water jacket, a cylinder, an upper bearing assembly, a lower bearing assembly, a thrust bearing assembly and a cover plate assembly, wherein the body is of a cavity structure; the spindle core assembly comprises a rotating shaft section and a chuck section; the rotating shaft section sleeves the chuck section; speed measurement grooves are formed in the rotating shaft section; the power assembly comprises a copper bordered rotor and a stator assembly; the copper bordered rotor is inlaid into the rotating shaft section; the stator assembly is arranged in the body and is opposite to the copper bordered rotor; the upper bearing assembly is arranged on the upper part of the rotating shaft section; speed measurement sensors are arranged on the upper part of the upper bearing assembly and correspond to the speed measurement grooves; the lower bearing assembly is arranged on the lower part of the rotating shaft section; the thrust bearing assembly is arranged on the chuck section; the cover plate assembly is arranged at the bottom of the thrust bearing assembly; the aluminum water jacket is arranged on the top of the upper bearing assembly; and the cylinder is arranged on the top of the aluminum water jacket. The air bearing spindle with the speed measurement function is easy to process, simple in structure and good in heat dissipation effect, and runs stably.
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Description

technical field

[0001] The invention relates to the technical field of processing equipment, in particular to an air-floating electric spindle with a speed measuring function. Background technique

[0002] With the demand for economic development and technological take-off, more and more new technologies are emerging, and the machining industry is also emerging, especially the technological innovation of the leading electric spindle industry is very obvious. The electric spindle is a new technology that integrates the machine tool spindle and the spindle motor.

[0003] In the production process of PCB board, it is inevitable to use electric spindle. With the miniaturization of electronic components and the diversification of various electrical functions, the integration of PCB boards is getting higher and higher. The tiny holes (Φ0.05-Φ0.2mm) on the PCB are becoming more and more dense. At present, the number of non-through holes in multilayer boards has reached 100 / cm 2...

Claims

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