A loading device and loading method for reliability testing of electric spindle
A technology of loading device and electric spindle, which is applied in the direction of metal processing equipment, measuring/indicating equipment, metal processing machinery parts, etc., can solve the problems of high cost, electric spindle stop, large space, etc., achieve simple structure, improve reliability, Ease of use
Active Publication Date: 2018-11-27
BEIHANG UNIV
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Problems solved by technology
[0003] At present, most of the domestic research institutions' research on electric spindles stays in idling or static force tests, which cannot restore the real working conditions of electric spindles during normal cutting, so the help for research on improving the reliability of electric spindles is also limited.
On the other hand, among the existing loading devices of electric spindles, electromagnetic loading devices are the main ones, which require a large space, high cost, complex structure, difficult debugging and difficult loading at high speeds.
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[0039] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0040] figure 1 It is a schematic diagram of the mechanism of the loading device embodiment of the present invention. like figure 1 As shown, the loading device used for the reliability test of the electric spindle includes a push rod bracket 11 , a fastening slider 12 , a push rod 14 , a loader 13 and a bearing seat 15 . Wherein, the push rod bracket 11 can be fixedly installed on the machine tool table 22, and is used for posit...
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The invention belongs to the technical field of testing of mechanical equipment reliability, and particularly relates to a loading device and a loading method for testing reliability of an electric spindle. The loading device provided by the invention comprises a push rod bracket capable of being fixedly mounted on a work table of a machine tool, a fastening slide block capable of being fixedly arranged on a surface of the push rod bracket through a locking member, a push rod used for applying load to a loading rod on an electric spindle, a loader capable of sleeving an outer surface of the push rod, and a bearing seat used for sleeving one end of the loading rod, wherein one end of the push rod is pivotably connected to the outer surface of the bearing seat; the other end of the push rod can be connected with the locking member. The loading device and the method provided by the invention can be used to effectively simulate influence of radial force and axial force on the electric spindle; the loading device integrally adopts a mechanical structure, is convenient to use, and is beneficial for improving reliability of research on reliability of the electric spindle.
Description
technical field [0001] The invention belongs to the technical field of reliability testing of mechanical equipment, and in particular relates to a loading device and a loading method for reliability testing of an electric spindle. Background technique [0002] The electric spindle is one of the core functional components of the CNC machine tool using high-speed cutting technology, and its main function is to realize the cutting motion of the machine tool. It combines the machine tool spindle and the motor shaft into one, realizing the "zero transmission" of the main motion system. This "zero transmission" not only makes the electric spindle have the advantages of compact structure, high speed, easy balance, high transmission efficiency and accurate positioning, but also simplifies the transmission and structure of the machine tool, and improves the dynamic sensitivity, machining accuracy and Work reliability meets the requirements of "high speed, high precision, high reliab...
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IPC IPC(8): B23Q17/00
CPCB23Q17/007
Inventor 夏继强常磊胡双雪耿春明彭翀满庆丰
Owner BEIHANG UNIV