A New Hybrid Drive Three-Axis Fast Tool Servo Device
A hybrid drive and servo device technology, used in feeding devices, manufacturing tools, metal processing equipment, etc., can solve the problems of low force density, large mover mass, and only tens of hertz, and achieve high force density and volume. Small, wide bandwidth effect
Active Publication Date: 2022-04-19
NANJING UNIV OF SCI & TECH
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However, its force density is low and the mass of the mover is large, and the operating frequency that can be achieved under a large stroke is generally only tens of hertz.
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[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0031] The implementation of the present invention will be described in detail below in conjunction with specific embodiments.
[0032] combine Figure 1-2 , a new hybrid drive three-axis fast tool servo device, including a mounting base and a piezoelectric stack driving part and a Maxwell electromagnetic force driving part located in the mounting base, and the end of the piezoelectric stack driving part is installed with As for the tool post, the piezoelectric stack driving part can drive the tool post to move back and forth, and the Maxwell electromagnetic drive part can drive the tool post to m...
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The invention discloses a novel hybrid drive three-axis fast tool servo device, which includes a mounting base, a piezoelectric stack driving part and a Maxwell electromagnetic force driving part located in the mounting base, and the end of the piezoelectric stack driving part A knife rest is installed on the upper part, the piezoelectric stack driving part can drive the knife rest to move forward and backward, and the Maxwell electromagnetic force driving part can drive the knife rest to realize up and down and left and right movements. The invention uses Maxwell electromagnetic force to drive to realize XY plane movement, which has the advantages of high force density and large stroke, and uses piezoelectric drive to connect XY plane movement in series to realize Z-direction vertical movement, with small volume, high frequency response and sub-nanometer motion resolution and other advantages; the three-axis FTS cutting device of the present invention has the advantages of small size, reasonable structural design, compactness, relatively large planar motion stroke, relatively wide bandwidth, and precise motion.
Description
technical field [0001] The invention belongs to the technical field of ultra-precision cutting, and in particular relates to a novel hybrid drive three-axis fast tool servo device. Background technique [0002] The diamond turning method based on Fast Tool Servo (hereinafter referred to as FTS) technology is considered to be a very promising manufacturing method for complex optical curved surfaces. At present, the commonly used fast tool servo system is generally single-axis drive, and the drive principles used include piezoelectric stack drive, Lorentz electromagnetic force drive and Maxwell electromagnetic force drive. In recent years, with the increase in the complexity of optical curved surfaces, multi-axis tool servo technology has gradually attracted the attention of scholars at home and abroad, and a series of adaptive cutting methods have been developed to improve the manufacturing capacity of FTS turning for complex curved surfaces. [0003] For two-axis and three-...
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IPC IPC(8): B23Q5/34
CPCB23Q5/34
Inventor 朱志伟朱紫辉陈栎黄鹏
Owner NANJING UNIV OF SCI & TECH